What Is Employer Stock in a 401(k) Plan?

Company stock can be lawful inside a 401(k) even when it creates a concentration level that would look uncomfortable in an ordinary diversified portfolio. That does not make the stock automatically prudent. ERISA separately asks whether the plan is allowed to hold the security, whether participants have required rights to diversify out, and whether fiduciaries handled the investment and its administration prudently.^[1][2][5]

Those are different questions.

The statute gives employer securities special treatment.

It does not give them immunity.

Employer Stock Is a Security Issued by the Employer or an Affiliate

ERISA Section 407 defines an:

employer security

as a security issued by:

• an employer whose employees are covered by the plan
• or an affiliate of that employer.^[2]

For most 401(k) discussions, the practical example is:

common stock of the company sponsoring the plan.

But the statutory category is broader than common shares alone.

A Qualifying Employer Security Is a Narrower Category

Section 407 defines:

qualifying employer security

to include specified employer securities such as:

• stock
• qualifying marketable obligations
• a narrow category of interests in certain publicly traded partnerships.^[2]

That distinction matters because the special ERISA exceptions are built around:

qualifying employer securities

rather than anything associated with the employer.

A 401(k) With Employer Stock Is Not Automatically an ESOP

An employee stock ownership plan is a specialized individual account plan designed to invest primarily in qualifying employer securities.^[2]

A conventional 401(k) can simply offer:

Company Stock Fund

alongside:

• target-date funds
• index funds
• bond funds
• stable value.

That does not convert the entire 401(k) into an ESOP.

Some plans combine 401(k) and ESOP features.

The legal labels still need to be analyzed precisely.

Start With ERISA's Ordinary 10% Rule

Section 407(a) generally says a plan may not acquire qualifying employer securities or qualifying employer real property if, immediately after the acquisition, their combined fair market value would exceed:

10% of plan assets.^[2]

That is the rule often repeated in summaries.

For many 401(k)s, it is incomplete.

Eligible Individual Account Plans Have a Major Exception

Section 407(b)(1) says the ordinary percentage limitation does not apply to the acquisition or holding of qualifying employer securities by an:

eligible individual account plan.^[2]

That category includes, among other arrangements:

• profit-sharing plans
• stock bonus plans
• thrift plans
• savings plans
• ESOPs

subject to the statutory definition and limitations.^[2]

A typical 401(k) is commonly built on a profit-sharing or stock-bonus structure.

That is why a participant can sometimes hold far more than 10% of an account in company stock without the plan automatically violating Section 407(a).

The Plan Must Actually Provide for Employer Securities

There is an important condition.

For purposes of the employer-security exception, Section 407 says the plan is treated as an eligible individual account plan only if the plan:

explicitly provides

for acquisition and holding of qualifying employer securities.^[2]

That makes the plan document part of the analysis.

A sponsor should not add company stock informally because a recordkeeper can operationally support it.

The governing plan structure should authorize the feature.

"The 10% Rule Does Not Apply" Is Still Too Broad

The eligible-individual-account-plan exception is powerful.

It is not universal.

Section 407 contains a special rule for certain:

elective deferrals

that are required to be invested in employer securities.^[2]

That rule prevents an employer from treating all forced 401(k) deferral investment as though the ordinary employer-stock exception had no limit.

Forced Elective Deferrals Create a Different Section 407 Problem

The special rule can apply when a portion of 401(k) elective deferrals is required to be invested in qualifying employer securities:

• by plan terms
• or at the direction of someone other than the participant or beneficiary.^[2]

When the rule applies, that elective-deferral portion is treated as a separate plan that:

• is not an eligible individual account plan
• becomes subject to Section 407's limitations.^[2]

There are statutory exceptions.

But the structural point is more important:

participant choice and employer compulsion are not treated the same way.

Example: Participant Voluntarily Buys 40% Employer Stock

Plan:

• expressly offers company stock
• lets participants choose allocations
• qualifies for the eligible-individual-account-plan treatment.

Participant voluntarily places:

40%

of the account in company stock.

The ordinary 10% Section 407 percentage limit does not automatically prohibit that holding merely because the allocation exceeds 10%.^[2]

That does not answer whether:

• participant diversification rights were adequate
• fiduciaries prudently maintained the stock option
• Section 404(c) relief applies
• the participant's concentration is financially sensible.

Permission is only the first layer.

Example: Plan Forces Deferrals Into Company Stock

Assume the plan requires:

25% of every employee's elective deferrals

to purchase company stock.

Now the Section 407 elective-deferral rule becomes directly relevant.^[2]

The sponsor should not reason:

"This is a 401(k), so the employer-stock percentage limit never matters."

The statute specifically addresses forced deferral investment.

ERISA Also Gives Employer Stock a Diversification Exception

Section 404(a)(1) ordinarily imposes fiduciary duties that include:

• prudence
• diversification
• loyalty
• following plan documents insofar as consistent with ERISA.^[1]

Section 404(a)(2) creates special treatment for qualifying employer securities held by an eligible individual account plan.^[1]

The statute says acquisition or holding does not violate:

• the diversification requirement
• or prudence only to the extent prudence requires diversification

by acquiring or holding qualifying employer securities.^[1]

Read the limitation carefully.

Section 404(a)(2) Does Not Eliminate Prudence

The rule does not say:

"Company stock is exempt from the duty of prudence."

Its protection is limited to the diversification component of the prudence analysis.^[1]

That leaves room for prudence questions unrelated to diversification.

Examples:

• whether plan terms were followed
• whether a transaction used proper pricing
• whether fiduciaries ignored material problems
• whether conflicts were handled
• whether trading or participant rights were administered correctly.

The employer-stock exception removes one dimension of ordinary portfolio prudence.

Not the whole standard.

The Supreme Court Confirmed That Boundary

In Fifth Third Bancorp v. Dudenhoeffer, the Supreme Court addressed employer-stock fiduciary litigation.^[11]

The Court rejected the special:

presumption of prudence

that several lower courts had applied to ESOP fiduciaries.^[11]

Its core rule was direct:

ESOP fiduciaries are subject to the same duty of prudence as ERISA fiduciaries generally, except they do not have to diversify the employer-stock fund.^[11]

That principle reaches the conceptual mistake at the center of many employer-stock discussions.

Congress protected the concentration feature.

It did not declare every decision involving the stock prudent.

Legal Concentration Can Still Be Financial Concentration

Suppose a participant has:

• salary from Employer A
• bonus tied to Employer A
• health insurance through Employer A
• career prospects at Employer A
• 45% of retirement account in Employer A stock.

A company downturn can hit several parts of household finances at once.

That risk exists even if every plan rule is satisfied.

Employer Stock Creates a Correlation Problem

Diversification is not only about the number of positions.

It is about whether the financial exposures fail together.

A participant with:

50% company stock + 50% broad stock index

has more diversification than a participant with 100% company stock.

But the household can still be unusually dependent on one corporation.

The employee's human capital is already tied to that employer.

The stock adds financial capital to the same risk source.

A Company-Stock Fund May Not Equal Shares One-for-One

Some 401(k) plans use a:

unitized employer-stock fund

rather than crediting participants with an exact number of shares.

The fund can hold:

• company stock
• a small cash position
• short-term instruments

to support liquidity and participant transactions.

A participant owns units of the fund.

The unit price can therefore move slightly differently from the company's share price.

The plan's investment disclosure should explain the actual structure.

Buying Employer Stock Can Raise Prohibited-Transaction Questions

The employer is a party in interest.

That means acquiring employer securities can intersect with ERISA's prohibited-transaction rules.

Section 408(e) supplies a statutory exemption for qualifying employer-security acquisitions or sales when specified conditions are met.^[3][4]

The important conditions include:

• adequate consideration
• no commission charged to the plan
• satisfaction of the applicable Section 407 conditions.^[3][4]

Again, the law does not say:

company stock → automatically exempt.

The transaction needs to fit the exemption.

Adequate Consideration Is Straightforward for Public Stock—Usually

For publicly traded company stock, market pricing usually provides a much cleaner valuation reference than exists for privately held company stock.

Private-company ESOP valuation is a more specialized subject because fair-market-value determination can become the central fiduciary issue.

This article focuses primarily on ordinary 401(k) arrangements involving publicly traded employer securities.

Do not import public-market assumptions into private-company transactions.

Diversification Rights Come From a Separate Rule

Even though ERISA relaxes the diversification duty for fiduciaries holding qualifying company stock, federal tax and ERISA law separately give many participants explicit rights to:

divest employer securities.^[5][7]

The principal tax rule is:

IRC Section 401(a)(35).^[5]

The parallel ERISA provision appears in:

ERISA Section 204(j).^[7]

Those rights are participant protections.

They are not the same thing as the fiduciary diversification rule.

The Rule Focuses on Publicly Traded Employer Securities

The federal diversification rule generally applies to an:

applicable defined contribution plan

holding publicly traded employer securities.^[5]

The statute also contains controlled-group rules that can treat certain nonpublic employer securities as publicly traded for this purpose when a related employer corporation has publicly traded stock, subject to exceptions.^[5]

The final regulations add detail.

The important practical distinction is:

public-company company stock usually triggers a much more immediate diversification-right analysis.

Elective Deferrals Get the Broadest Diversification Right

For the portion of an account attributable to:

• employee contributions
• elective deferrals

that is invested in employer securities, Section 401(a)(35) generally requires the applicable individual to be able to direct the plan to:

• divest the employer securities
• reinvest an equivalent amount in qualifying other investments.^[5][9][10]

There is no general three-years-of-service waiting period attached to this source.

That fact is often misstated.

Employer Contributions Use the Three-Year Rule

For employer contributions other than elective deferrals, diversification rights generally apply when a participant has completed at least:

three years of service.^[5][9][10]

The statute also provides rights for specified beneficiaries and alternate-payee-type account holders under the applicable-individual rules.

The contribution source therefore matters.

Example: Same Stock, Different Diversification Timing

Participant has:

Source A

$40,000 of elective deferrals invested in company stock.

Source B

$25,000 of employer nonelective contributions invested in the same stock.

Participant has:

two years of service.

The elective-deferral stock and employer-contribution stock can have different statutory diversification treatment.

Do not analyze the account as one undifferentiated employer-stock balance.

Source accounting matters.

After Three Years, Employer-Contribution Stock Opens Up

Now assume the participant completes the statutory service requirement.

The plan generally must allow diversification of the employer-contribution stock subject to the applicable Section 401(a)(35) framework.^[5]

The purpose is obvious:

employee ownership can remain part of the plan design without permanently trapping long-service participants in company stock.

At Least Three Non-Employer Options Must Be Available

A plan does not satisfy the diversification rule by saying:

"Company shares may be sold, but all proceeds must move to one money-market fund."

The statute requires at least:

three investment options other than employer securities

that are:

• diversified
• materially different in risk and return characteristics.^[5][10]

This resembles the broad-range logic used elsewhere in participant-directed plan regulation.

Example: Three Different Equity Funds May Not Be Enough in Substance

Assume the alternatives are:

• large-cap growth
• technology growth
• aggressive growth.

Three names appear.

But the risk and return profiles can be highly similar.

The statutory requirement is not simply:

count to three.

The options need to provide genuinely different investment characteristics.

Quarterly Is the Statutory Floor

The diversification rule permits periodic reasonable opportunities to divest and reinvest so long as they occur:

no less frequently than quarterly.^[5][10]

Many modern recordkeeping systems allow:

• daily trades
• near-daily fund changes.

That does not turn quarterly into the required operational maximum.

It is the statutory minimum frequency standard.

Employer Stock Cannot Usually Be Saddled With Unique Exit Restrictions

The diversification statute generally prohibits restrictions or conditions on company-share investment that are not imposed on other plan investments, subject to regulatory exceptions.^[5][10]

The policy concern is clear.

A diversification right is not meaningful if the plan says:

"Company shares may be sold only after a two-year lockup that applies to no other fund."

The regulations refine this rule.

Securities-Law Restrictions Can Be Permitted

Company shares create a feature ordinary mutual funds often do not:

participants can also be:

• officers
• directors
• insiders
• employees subject to trading restrictions.

The final regulations permit restrictions required or reasonably designed to comply with applicable securities laws.^[6]

The regulatory example permits a reasonable limited trading period for certain Section 16 insiders following quarterly earnings publication.^[6]

ERISA diversification rights do not require a plan to violate securities law.

Short-Term Trading Limits Can Also Be Permitted

The final regulations allow reasonable restrictions on the timing and number of elections to invest in employer securities when designed to limit:

short-term trading.^[6]

For example, a participant who just divested company stock can be temporarily restricted from immediately buying it back.

The distinction is important.

Impermissible concept

Punish diversification.

Permitted concept

Apply a reasonable rule designed to prevent rapid in-and-out trading.

Purpose and design matter.

A Plan Can Freeze Future Employer-Stock Purchases

The regulations permit a plan to prohibit:

further investment

in employer securities.^[6]

That can occur when a sponsor decides to close or freeze the stock fund.

A participant who sells may then be unable to buy back because nobody can direct new contributions or transfers into the frozen fund.

That is different from selectively penalizing the participant for exercising a diversification right.

A Plan Can Use a Future Concentration Cap

The regulation also permits a plan to limit future investment in employer securities if the limit applies without regard to whether the participant previously diversified.^[6]

Its example allows a rule preventing additional employer-stock investment when more than:

10% of the participant's account

is already invested there.^[6]

That does not mean federal law requires a 10% participant cap.

It means the regulation recognizes that such a cap can be a permissible plan design.

This Is a Useful Governance Tool

A sponsor can decide:

Company stock remains available, but participants cannot increase the position once it exceeds 10% of the account.

That approach:

• preserves employee choice
• avoids forced liquidation
• limits further concentration.

Whether 10%, 20% or another permitted design is appropriate depends on plan goals and legal review.

Do not confuse a voluntary plan cap with ERISA Section 407's separate plan-level 10% rule.

The Two "10% Rules" Are Not the Same Rule

This is a recurring source of confusion.

ERISA Section 407(a)

General statutory percentage limit on employer securities and employer real property for plans, subject to the eligible-individual-account-plan exception.^[2]

Treasury regulation example

A permissible participant-account restriction that can stop new employer-stock investment once a participant's account exceeds 10% in company stock.^[6]

Same number.

Different legal function.

The Diversification Notice Comes Before the Right First Opens

ERISA Section 101(m) requires the plan administrator to provide a diversification notice no later than:

30 days before

the first date on which an applicable individual becomes eligible to exercise the diversification right for a contribution type.^[8]

The notice must:

• explain the right
• describe the importance of diversifying retirement-account assets.^[8]

That is not generic investor education.

It is a statutory notice tied to a new legal right.

The Notice Should Track Contribution Source

A participant can obtain diversification rights for:

• elective-deferral stock
• employer-contribution stock

at different times.

The administrator should know which source is becoming eligible and when.

A one-time generic statement at hire may not satisfy every later notice obligation.

Notice Failure Is More Than a Communications Problem

If the participant had a statutory right to diversify but:

• did not receive required notice
• could not execute the election
• was incorrectly told the stock was locked

the issue can move from:

education

to:

plan administration and compliance.

Document:

• eligibility date
• notice date
• delivery method
• available investment alternatives
• transaction access.

Participant Choice Does Not Erase Menu-Level Fiduciary Duty

If the company-stock fund is one designated investment alternative in a participant-directed plan, Section 404(c) can matter for participant allocation decisions.

INV-132 explains that relief.

But 404(c) does not protect the fiduciary's own:

• selection
• retention
• administration

of a designated investment alternative.^[1]

Company stock does not create a broader version of 404(c).

Fifth Third Eliminated the Old Presumption

Before 2014, several courts applied a special employer-stock:

presumption of prudence.

Fifth Third rejected it.^[11]

The Court did not hold that every employer-stock decline states a fiduciary claim.

It replaced the special presumption with a more precise framework.

That framework makes claims difficult in particular ways.

Public Information Claims Face Market-Price Logic

When company stock is publicly traded, Fifth Third said fiduciaries may ordinarily rely on the market price as an unbiased assessment of the stock's value based on public information, absent special circumstances.^[11]

That means a complaint generally cannot succeed simply by saying:

• newspaper articles were negative
• stock price had declined
• fiduciaries should have predicted a further decline.

ERISA does not require a retirement committee to become better stock pickers than the public market.

A Falling Stock Price Is Not Proof of Breach

Company stock falls:

45%.

That is a serious participant loss.

It does not answer:

• what fiduciaries knew
• what was public
• what alternatives existed
• what the plan required
• whether participant diversification rights existed
• whether the market price was unreliable for a specific reason.

Outcome and process must be separated.

Insider Information Creates a Harder Conflict

Employer-stock fiduciaries can also be corporate insiders.

Now suppose they know material adverse information that has not been publicly disclosed.

They face potentially competing regimes:

• ERISA fiduciary duty
• federal securities law
• corporate disclosure obligations.

Fifth Third refused to impose a simplistic:

"ERISA always requires immediate disclosure"

rule.^[11]

The Alternative Action Must Be Lawful

For an inside-information prudence claim, Fifth Third requires a plaintiff to plausibly identify an alternative action that:

• would have been consistent with securities laws
• a prudent fiduciary in the same circumstances could not have viewed as more likely to harm the fund than help it.^[11]

That is a demanding standard.

Amgen v. Harris reinforced that pleading requirement.^[12]

"More Harm Than Good" Is About the Alternative Action

Suppose an insider fiduciary considers:

• stop purchasing employer stock
• remove stock fund
• disclose adverse information.

Any of those steps can send a market signal or trigger price effects.

The legal question is not simply:

"Would participants have lost less if the truth came out earlier?"

It asks whether the proposed alternative was lawful and whether a prudent fiduciary could have viewed it as more harmful than helpful to the fund.^[11][12]

That requires context.

Plan Terms Still Matter

Some plans state that employer securities:

• must be offered
• must receive certain employer contributions
• form part of an ESOP component.

Fifth Third also emphasized that fiduciaries ordinarily follow plan documents only insofar as those documents comply with ERISA.^[1][11]

A plan term cannot command an ERISA violation.

At the same time, fiduciaries should not ignore plan terms merely because they personally dislike employer stock.

Governance needs both:

• plan-document fidelity
• ERISA compliance.

Employer Stock Can Be Frozen Without Immediate Liquidation

A sponsor may decide:

• stop new contributions to employer stock
• stop transfers into it
• preserve existing participant balances
• allow participants to sell.

That can be operationally different from:

terminate the fund and liquidate everyone immediately.

The correct path can depend on:

• plan terms
• securities laws
• participant rights
• corporate transaction timing
• market conditions
• fiduciary analysis.

"Close" is not one transaction.

Mergers and Corporate Events Require Special Attention

Company shares can be affected by:

• merger
• acquisition
• spin-off
• tender offer
• stock split
• delisting
• corporate reorganization.

These events can change:

• what security the plan holds
• whether it remains publicly traded
• diversification rights
• transaction mechanics
• valuation
• participant communications.

The plan should not treat a corporate action as something the brokerage platform will solve automatically.

A Delisting Can Change the Administrative Problem

If publicly traded employer stock becomes:

nonpublic

the market-pricing mechanism changes.

Possible issues include:

• valuation
• liquidity
• participant transfer rights
• whether Section 401(a)(35) continues to apply under controlled-group rules
• plan amendment
• transaction timing.

That is a legal and operational transition.

Not merely a ticker-symbol change.

Company Stock and NUA Are Separate Analyses

INV-061 covers:

net unrealized appreciation.

NUA can make qualifying in-kind distribution of employer securities tax-efficient in some cases.

That does not answer:

Should the participant hold employer stock inside the plan today?

A Tax Benefit Is Not a Fiduciary Defense

Suppose the stock has large embedded NUA.

That can affect the participant's eventual distribution decision.

It does not make:

• excessive concentration
• bad plan administration
• an imprudent fiduciary process

acceptable.

Tax treatment and fiduciary prudence are different legal questions.

A Participant Can Use NUA and Still Sell the Stock

Even when NUA is attractive, a participant can sometimes:

1. distribute qualifying employer shares in kind
2. preserve the applicable NUA tax treatment
3. sell the stock after distribution.

That separates:

• tax election
• investment-concentration decision.

Do not treat NUA as a reason the participant must remain exposed to the company indefinitely.

Employer Stock vs. ESOP

A company-stock fund should not be analyzed as though every ESOP rule automatically applies.

Elective Deferrals vs. Employer Contributions

Source coding is not administrative trivia.

It determines rights.

Permitted vs. Problematic Restrictions

The rule protects meaningful diversification without pretending employer stock is operationally identical to every mutual fund.

The Employer-Stock Fiduciary File Should Be Separate From the Tax File

Plan authority

• plan document
• employer-stock provisions
• ESOP component if any.

Investment structure

• direct shares or unitized fund
• cash buffer
• pricing
• trading rules.

Fiduciary process

• reason for maintaining option
• service providers
• fees
• participant complaints
• material events.

Diversification compliance

• contribution-source coding
• three-year service tracking
• three alternative investments
• trading frequency
• restrictions.

Notices

• 101(m) diversification notices
• delivery evidence.

Securities-law coordination

• insider restrictions
• blackout windows
• corporate-event controls.

Distribution tax

• separate NUA analysis when a distribution is contemplated.

A clean file prevents one issue from masking another.

Example: Participant Holds 35% Employer Stock

Account:

$400,000

Company stock:

$140,000

Concentration:

35%

Participant voluntarily accumulated the stock.

The plan's first questions are not:

"Is 35% illegal?"

They are:

• Is the plan authorized to hold the security?
• Does the Section 407 exception apply?
• Does the participant have required diversification rights?
• Are those rights usable?
• Is the fund prudently administered?
• Did the participant independently choose the allocation?

The participant's personal investment question is different:

Is 35% exposure to the employer tolerable given the rest of the household balance sheet?

Example: Three-Year Participant Wants Out of Match Stock

Participant has:

• $60,000 elective-deferral employer stock
• $40,000 employer-contribution employer stock
• more than three years of service.

If Section 401(a)(35) applies, the participant generally should have the ability to diversify both covered sources into at least three qualifying non-employer options.^[5][10]

The plan should not tell the employee:

"The match is company money, so it must stay in company stock until termination."

That can conflict with the statutory diversification rule.

Example: Insider Trading Window

Senior officer wants to sell plan employer stock.

Plan restricts trading to a short period after quarterly earnings release.

A restriction reasonably designed for securities-law compliance can be permitted under the final regulations.^[6]

The plan should document:

• who is subject to the restriction
• legal basis
• window timing
• participant communication
• consistency of administration.

A vague "insiders cannot trade" rule is less defensible than a targeted compliance procedure.

Example: Company Stock Falls 45% on Public News

News reports reveal worsening business conditions.

Stock falls over six months.

Fiduciaries keep the option available.

A lawsuit later alleges:

"The committee should have known the stock would keep falling."

Fifth Third makes a pure public-information claim difficult without special circumstances undermining reliance on market price.^[11]

Hindsight is not an investment process.

Example: Fiduciaries Know Material Nonpublic Bad News

Now assume committee members also serve as corporate insiders and know information that is not public.

The legal analysis changes.

Potential alternatives might include:

• halting future purchases
• changing plan availability
• corporate disclosure

depending on law and facts.

The plaintiff still must meet the Supreme Court's inside-information framework: identify a lawful alternative that a prudent fiduciary could not have viewed as more harmful than helpful.^[11][12]

There is no one automatic action for every insider case.

Frequently Asked Questions

Can a 401(k) hold employer stock?

Yes, when the plan terms and applicable ERISA rules permit it.^[2]

Is a 401(k) with company stock automatically an ESOP?

No.

An ESOP is a specialized plan designed primarily to invest in qualifying employer securities.^[2]

Is employer stock always limited to 10% of a 401(k)?

No.

ERISA's ordinary 10% limit has a major exception for qualifying employer securities held by an eligible individual account plan, subject to statutory conditions and special rules.^[2]

Why do some plans have participants with 30%, 50% or more in company stock?

Because the eligible-individual-account-plan exception can allow qualifying employer-stock holdings above the ordinary Section 407 percentage limit. Participant choice and plan design determine the actual concentration.

Can an employer force elective deferrals into company stock?

Special ERISA rules apply when elective deferrals are required to be invested in employer securities. The plan should not assume the ordinary eligible-plan exception applies unchanged to forced deferral investment.^[2]

Does ERISA exempt employer stock from diversification?

For an eligible individual account plan holding qualifying employer securities, Section 404(a)(2) removes the diversification requirement and the diversification-based component of prudence.^[1] It does not excuse imprudence arising from other aspects of the fiduciary's conduct.

Does that mean fiduciaries cannot be liable for employer stock?

No.

Other aspects of prudence, loyalty, plan-document compliance and prohibited-transaction rules remain relevant.^[1][11]

Can participants diversify elective-deferral employer stock?

When Section 401(a)(35) applies, employee contributions and elective deferrals invested in employer securities generally must be divestible without the three-year service condition that applies to employer nonelective contributions.^[5][10]

When can employer-contribution stock be diversified?

The statutory framework generally provides the right after the participant has completed at least three years of service, subject to the applicable plan and statutory rules.^[5][10]

What investments must be available after selling company stock?

At least three non-employer investment options that are diversified and have materially different risk and return characteristics.^[5][10]

How often must participants be able to diversify?

The law permits reasonable periodic opportunities no less frequently than quarterly.^[5][10]

Can insiders have trading restrictions?

Yes. Restrictions required or reasonably designed to comply with securities laws can be permitted.^[6]

Can the plan prevent immediate buyback after a participant sells?

Reasonable short-term trading restrictions can be permitted when properly designed to limit short-term trading rather than punish diversification.^[6]

Can the plan cap future employer-stock purchases?

The final regulation permits specified neutral limits on future employer-stock investment; its example includes stopping new purchases when more than 10% of an individual's account is already invested in employer securities.^[6]

Is that 10% cap federally required?

No.

It is an example of a permitted plan restriction, not a universal participant-account limit.^[6]

When is the diversification notice due?

Generally no later than 30 days before the first date on which the individual is eligible to exercise the diversification right for a type of contribution.^[8]

Did the Supreme Court give employer-stock fiduciaries a presumption of prudence?

No.

Fifth Third v. Dudenhoeffer expressly rejected that special presumption.^[11]

Does a stock-price decline prove imprudence?

No.

For publicly traded stock, Fifth Third generally permits reliance on market price as reflecting public information absent special circumstances.^[11]

What if fiduciaries have inside information?

Inside-information claims use a demanding framework requiring a plausible lawful alternative action that a prudent fiduciary could not have viewed as more likely to harm the fund than help it.^[11][12]

Does NUA mean company stock is a good investment?

No.

NUA is a distribution-tax rule. INV-061 explains it separately.

The ROIStreet Employer-Stock Review

Identify exactly what employer security the plan holds → determine whether the plan is an eligible individual account plan for Section 407 purposes → confirm the plan expressly authorizes qualifying employer securities → distinguish participant-elected holdings from employer-required elective-deferral investment → test Section 407's special deferral rule when investment is compelled → review the Section 408(e) transaction conditions when the plan acquires or sells employer securities → separate Section 404(a)(2) diversification relief from the rest of the fiduciary prudence standard → identify whether Section 401(a)(35) applies to the employer securities → map employer stock by contribution source → give employee-contribution and elective-deferral diversification rights when required → activate employer-contribution diversification rights after the applicable three-year service threshold → maintain at least three diversified non-employer alternatives with materially different risk/return characteristics → confirm participants can exercise rights at least as frequently as required → review every employer-stock restriction against the final regulation → provide the Section 101(m) notice before the first diversification right opens → coordinate securities-law restrictions for insiders → document fiduciary review of the employer-stock option without relying on a special presumption of prudence → apply Dudenhoeffer carefully to public- and inside-information issues → analyze Section 404(c) separately for participant-directed allocations → treat NUA as a later distribution-tax analysis rather than a reason to retain concentrated stock

The most important distinction is simple:

ERISA can permit concentrated employer stock without requiring fiduciaries or participants to pretend concentration is harmless. Legal permission, participant diversification rights, fiduciary prudence and personal portfolio risk are four separate questions.

Sources & References

1. Legal Information Institute / U.S. Code: 29 U.S.C. §1104 — Fiduciary Duties — https://www.law.cornell.edu/uscode/text/29/1104
2. Legal Information Institute / U.S. Code: 29 U.S.C. §1107 — Employer Securities and Employer Real Property — https://www.law.cornell.edu/uscode/text/29/1107
3. Legal Information Institute / U.S. Code: 29 U.S.C. §1108(e) — Employer-Security Transaction Exemption — https://www.law.cornell.edu/uscode/text/29/1108
4. Electronic Code of Federal Regulations / Legal Information Institute: 29 CFR §2550.408e — Statutory Exemption for Qualifying Employer Securities — https://www.law.cornell.edu/cfr/text/29/2550.408e
5. Legal Information Institute / U.S. Code: 26 U.S.C. §401(a)(35) — Diversification Requirements for Certain Defined Contribution Plans — https://www.law.cornell.edu/uscode/text/26/401
6. Electronic Code of Federal Regulations: 26 CFR §1.401(a)(35)-1 — Diversification Requirements for Certain Defined Contribution Plans — https://www.ecfr.gov/current/title-26/section-1.401(a)(35)-1
7. Legal Information Institute / U.S. Code: 29 U.S.C. §1054(j) — Parallel ERISA Diversification Requirements — https://www.law.cornell.edu/uscode/text/29/1054
8. Legal Information Institute / U.S. Code: 29 U.S.C. §1021(m) — Notice of Right to Divest — https://www.law.cornell.edu/uscode/text/29/1021
9. Internal Revenue Service: Notice 2006-107 — Diversification Requirements for Qualified Defined Contribution Plans Holding Publicly Traded Employer Securities — https://www.irs.gov/pub/irs-drop/n-06-107.pdf
10. Internal Revenue Service: T.D. 9484 — Final Regulations Under Section 401(a)(35) — https://www.irs.gov/irb/2010-24_IRB
11. Supreme Court of the United States: Fifth Third Bancorp v. Dudenhoeffer, 573 U.S. 409 (2014) — https://www.supremecourt.gov/opinions/boundvolumes/573BV.pdf
12. Supreme Court / Legal Information Institute: Amgen Inc. v. Harris, 577 U.S. 308 (2016) — https://www.law.cornell.edu/supremecourt/text/15-278
13. Internal Revenue Service: Retirement Topics — Plan Assets — https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-plan-assets

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ROIStreet publishes educational content about retirement-plan investments, employer securities, participant diversification and ERISA fiduciary rules. This article is not legal, fiduciary, securities, tax, investment or plan-administration advice. Employer-stock treatment depends on the governing plan document, whether the security is qualifying and publicly traded, contribution source, participant service, plan structure, corporate-group facts, trading restrictions, fiduciary roles, transaction pricing, securities-law obligations and current law. NUA tax treatment should be analyzed separately before distributing or rolling employer securities.

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