What Are Blackout Periods? Notices, 401(k) Loans, and Penalties

A blackout period is a stretch of time, lasting at least three consecutive business days, when your ability to make changes in an employer-sponsored retirement account is frozen, or when company insiders are barred from trading stock tied to a pension plan transition. During a retirement plan blackout, you cannot change investments, take a new loan, or request a distribution. During a corporate stock blackout, directors, executive officers, and often other employees cannot buy or sell company shares. Federal law sets specific rules about how long each type can last, what notice you must receive, and what penalties apply when the rules are broken.

What Counts as a Blackout Period

Not every brief pause in account access qualifies. Under federal rules, a blackout period for a retirement plan means a suspension of your right to direct investments, take loans, or receive distributions that lasts at least three consecutive business days.¹ A system upgrade over a weekend doesn’t trigger the formal notice and compliance requirements.

For corporate stock restrictions under the Sarbanes-Oxley Act, the threshold is slightly different. A pension-related stock blackout applies when the suspension lasts more than three consecutive business days and affects at least 50 percent of plan participants.² If the freeze affects only a small group of employees or lasts just a day or two, the insider trading prohibition tied to pension blackouts does not apply.

Why Retirement Plan Blackouts Happen

Employer-sponsored retirement plans like 401(k)s go through blackouts most often when the company changes its plan recordkeeper or merges with another company and needs to combine two separate plans. Moving account data and balances from one platform to another requires a hard stop on all activity to prevent errors. The legal framework comes from Section 101(i) of the Employee Retirement Income Security Act, which applies to individual account plans — 401(k)s, 403(b)s, profit-sharing plans, and employee stock ownership plans that give you control over your investment choices.³

Once the blackout begins, you cannot change your investment allocations, request a new loan, take a hardship withdrawal, or process a distribution until the freeze lifts.

The Notice You Must Receive Beforehand

Federal law requires your plan administrator to send written notice at least 30 days, but no more than 60 days, before a retirement plan blackout begins.³ This lead time exists so you can adjust investments, request a loan, or process a distribution before your account is frozen.

The notice must include:

A clear explanation of why the freeze is happening, such as a recordkeeper change or plan merger.
Which account features will be unavailable — investment changes, loans, or distributions.
The anticipated start date and length of the blackout.
A statement advising you to evaluate your current investment choices, since you will not be able to move money during the freeze.³

If your plan holds company stock, the notice must also warn you about the risk of concentrating a large portion of your savings in a single company’s shares, since you cannot sell during the blackout if the price drops.⁴

When the 30-Day Rule Doesn’t Apply

Three exceptions can shorten the notice period. A plan fiduciary may act faster if waiting 30 days would violate the fiduciary’s duty to participants, as when a failing recordkeeper must be replaced immediately. The advance notice can also be shortened by unforeseeable events beyond the administrator’s control. In both cases, a fiduciary must put the determination in writing, date it, and sign it. The third exception covers blackouts that affect only people joining or leaving the plan through a merger or acquisition.⁴ When any exception applies, notice must still go out as soon as reasonably possible.

Penalties for Missing Notice

A plan administrator who fails to send proper notice faces a civil penalty of up to $100 per day for each participant or beneficiary who was not notified, with each affected person counted as a separate violation.⁵ The statutory base amount is adjusted upward for inflation each year by the Department of Labor, so the current per-day figure is higher than $100.

What Happens to a 401(k) Loan During a Blackout

If you already have an outstanding loan from your 401(k), a blackout creates a potential trap. Loan repayments from your paycheck may not be processed while account data is migrating. Under IRS rules, a retirement plan loan must be repaid in substantially equal installments at least quarterly. If you miss payments, the entire outstanding balance plus accrued interest can be treated as a taxable distribution.⁶

Plans may offer a cure period giving you until the end of the calendar quarter following the quarter in which you missed a payment to catch up.⁶ Most well-managed blackouts are timed so missed payments correct automatically once the new recordkeeper is in place. If you have an active loan, confirm with your plan administrator that repayments will resume properly after the blackout ends.

Rollovers and the 60-Day Deadline

If you were planning to roll money out of your plan and the blackout interferes with the 60-day rollover deadline, you may be able to request relief from the IRS. The IRS considers errors or delays caused by a plan administrator, including blackout-related freezes, when deciding whether to waive the 60-day rollover requirement.⁷ Requesting a private letter ruling for this waiver is expensive and not guaranteed, so it is better to time any rollover around a known blackout.

Blackouts on Company Stock

Publicly traded companies restrict trading by insiders — directors, executive officers, and employees with access to nonpublic financial data — to prevent anyone from profiting on information the public does not yet have. These blackouts typically run during the weeks leading up to and immediately following quarterly earnings announcements, while internal revenue and profit figures are being finalized.

A separate rule comes from Section 306(a) of the Sarbanes-Oxley Act, which makes it illegal for any director or executive officer to buy or sell company stock during a pension plan blackout, if the stock was acquired in connection with their role at the company.² The reasoning: if rank-and-file employees cannot trade company stock in their retirement accounts, executives should not be able to trade the same stock on the open market.

Penalties for Prohibited Trades

Any profit a director or executive officer earns from a trade that violates the pension-blackout trading ban belongs to the company and must be returned. This disgorgement applies regardless of whether the insider intended to break the rules.² If the company does not pursue recovery within 60 days of being asked, any shareholder can bring the lawsuit on the company’s behalf. Separately, if the SEC determines that a trade involved material nonpublic information, the individual may face securities fraud charges carrying additional civil fines and potential criminal penalties.

The 10b5-1 Exception

Pre-scheduled trading plans established under SEC Rule 10b5-1 let insiders set up automatic buy or sell orders at a time when they do not possess material nonpublic information. Because the trades execute according to a predetermined schedule or formula, many companies exempt 10b5-1 plans from their blackout restrictions.⁸ The Sarbanes-Oxley Act itself authorizes the SEC to carve out exceptions for trades made under an advance election.² Each company’s insider trading policy sets its own rules on how these plans interact with blackout windows, so check your employer’s policy before assuming you are covered.

Fiduciary Duty While the Freeze Is On

Under ERISA, if your plan lets you direct your own investments and that ability is suspended during a blackout, the fiduciary is not personally liable for investment losses that occur during the freeze, as long as the blackout was properly authorized and implemented in compliance with federal requirements.⁹

This protection is not automatic. Fiduciaries must follow the notice rules, keep the blackout as short as practical, and take reasonable steps to minimize harm to participants. If a fiduciary schedules a blackout carelessly, during a period of known market volatility for example, and fails to meet the compliance requirements, that liability shield falls away. Participants who suffer losses because of a poorly managed blackout may have grounds to file a complaint with the Department of Labor.

How Long Blackouts Usually Last

Administrative changes like switching recordkeepers generally take somewhere between a few business days and two weeks to complete the data migration. A full plan merger following a corporate acquisition can run longer, sometimes several weeks, because two separate sets of records need to be reconciled and moved onto a single platform.

Stock-related blackouts tied to quarterly earnings cycles follow a different rhythm. Companies commonly restrict insider trading for two to four weeks before an earnings announcement, and the restriction usually lifts one to two full trading days after the financial results become public. That buffer gives the market time to absorb the new information before insiders resume trading.

Your blackout notice should include the expected start and end dates, and your account access should return to normal immediately after the stated end date passes. If the blackout extends beyond what was originally communicated, the plan administrator must provide updated notice as soon as reasonably possible.⁴

What to Do Before Your Account Freezes

Once a blackout starts, your options are limited by design. The best time to act is during the advance notice window.

If your plan holds a large concentration of company stock, consider whether you want to diversify into other investments before the freeze begins. You will not be able to sell that stock if the price drops during the blackout, and the required notice itself must remind you to evaluate this risk.³

If you have an outstanding 401(k) loan, verify with your plan administrator how repayments will be handled during and after the transition. Confirm whether missed payments will be automatically corrected or whether you need to act to avoid a deemed distribution. If you were planning a distribution or rollover, complete it before the blackout begins; waiting could push you past important tax deadlines.

For corporate stock blackouts, review your company’s insider trading policy well before the restricted window opens. If you are an executive officer or director, the Sarbanes-Oxley trading prohibition applies even if you did not intend to trade on inside information. If you want the flexibility to sell shares on a set schedule regardless of blackout windows, talk to your compliance officer about setting up a Rule 10b5-1 trading plan during an open trading period.

1
U.S. Department of Labor. FAQs About Retirement Plans and ERISA
2
Office of the Law Revision Counsel. 15 USC 7244 – Insider Trades During Pension Fund Blackout Periods
3
Office of the Law Revision Counsel. 29 USC 1021 – Duty of Disclosure and Reporting
4
eCFR. 29 CFR 2520.101-3 – Notice of Blackout Periods Under Individual Account Plans
5
Office of the Law Revision Counsel. 29 USC 1132 – Civil Enforcement
6
Internal Revenue Service. Issue Snapshot – Plan Loan Cure Period
7
Internal Revenue Service. Retirement Plans FAQs Relating to Waivers of the 60-Day Rollover Requirement
8
U.S. Securities and Exchange Commission. Insider Trading Arrangements and Related Disclosures
9
Office of the Law Revision Counsel. 29 USC 1104 – Fiduciary Duties