What Is a Form 144 Filing? Rules, Triggers, and Filing Steps

An SEC Form 144 filing is the notice a corporate insider or other affiliate submits to the Securities and Exchange Commission before selling company stock under Rule 144 of the Securities Act of 1933. The filing becomes mandatory once the planned sale exceeds 5,000 shares or $50,000 in value during any rolling three-month period, and it puts the market on notice that a significant block of shares may be coming.¹ The form itself is short. The rules around it — holding periods, volume caps, current-information requirements, and manner-of-sale restrictions — are where sellers get into trouble.

Who Has to File

The obligation belongs to affiliates of the issuing company. An affiliate is anyone who directly or indirectly controls, is controlled by, or shares common control with the issuer.² In practice that means executive officers, board members, and large shareholders who can direct the company’s management and policies.³

There is no fixed ownership percentage that automatically makes someone an affiliate. The SEC applies a facts-and-circumstances test focused on control, whether that control runs through voting shares, a contract, or some other relationship. Directors, C-suite executives, and holders of large voting blocks are almost always treated as affiliates.

Affiliates also need to watch who else counts as part of their “person” for Rule 144 purposes. Sales are aggregated across a seller’s spouse and relatives sharing the same household, trusts or estates in which the seller holds at least a 10% beneficial interest, and any corporation or organization where the seller and household relatives together own 10% or more of any class of equity.² A spouse’s sale counts toward your total whether you knew about it or not.

When the Filing Is Triggered

Form 144 is required whenever an affiliate plans to sell more than 5,000 shares, or shares worth more than $50,000, in aggregate during any rolling three-month period. Either threshold independently triggers the requirement.¹ Sales that fall under both thresholds do not require a filing, but every other Rule 144 condition still applies.

The filing must go in concurrently with placing the sell order with a broker or executing the trade with a market maker. Filing after settlement is too late. The seller must also have a bona fide intention to sell within a reasonable time after filing.² A Form 144 is not a standing authorization; if plans change and the sale does not happen, do not lean on a stale notice for a later transaction.

Conditions the Sale Itself Must Meet

The filing is only a notice. For the sale to be lawful under Rule 144, the underlying trade has to satisfy four substantive conditions.

Holding Period

If the shares are restricted securities — acquired in a private placement, through employee stock compensation, or as payment for services — a minimum holding period must run before any sale. The length depends on whether the issuer files periodic reports with the SEC.

The clock starts when the securities were acquired from the issuer or an affiliate. For stock options, it begins on exercise, not on grant. Shares received as a gift from an affiliate tack back to when the affiliate originally acquired them, and a buyer from a non-affiliate can tack the seller’s holding period onto their own.³

Shares an affiliate bought on the open market are not restricted, but they are still control securities because of who holds them. Volume, information, and manner-of-sale rules apply to those sales too.³

Volume Cap

Once the holding period has run, an affiliate still cannot exceed a ceiling on how much can be sold in any three-month window. The cap is the greater of:

1% of the outstanding shares of the same class, based on the issuer’s most recent public report, or
the average weekly reported trading volume on all national exchanges during the four calendar weeks before the Form 144 filing.³

For over-the-counter stocks, including OTC Bulletin Board and Pink Sheets listings, only the 1% measure applies because reliable weekly trading volume data is not consistently available.³ For an affiliate of a thinly traded company, the 1% cap can stretch an exit over many quarters. And remember the aggregation rule: a spouse’s sale from the same household reduces what you can move that quarter.

Current Public Information

Adequate current information about the issuer must be publicly available before the sale. For reporting companies, that means the issuer is current on its 10-Ks, 10-Qs, and 8-Ks. For non-reporting companies, basic information about the business, its officers and directors, and its financials must be publicly accessible.³ If the company is behind on its filings, an affiliate cannot rely on Rule 144 to sell.

Manner of Sale

Affiliates must sell as a routine broker’s transaction. The seller cannot solicit or arrange buy orders in anticipation of the sale, and cannot pay anyone other than the executing broker in connection with the trade.² The broker is bound by the same rule against soliciting buyers. The purpose is to keep insiders from engineering demand for shares they want to unload.

What Goes on the Form

The form is short but has to be accurate. It calls for:

Issuer details: legal name, SEC file number, address, and telephone number.⁴
Seller identity: full name and address of the person or entity for whose account the shares will be sold.
Broker information: name and address of each broker executing the sale.
Transaction details: number of shares to be sold and their aggregate market value as of a date within 10 days before filing.
Acquisition history: when the shares were acquired, from whom, and the nature of the consideration paid.
Rule 10b5-1 plan disclosure: whether the sale is being made under a 10b5-1 trading plan, and if so, the date the plan was adopted or modified.⁵

How to File

Since April 2023, Form 144 must be filed electronically through EDGAR whenever the issuer is subject to SEC reporting requirements. Paper filing remains available only for sales of securities of non-reporting companies.⁵

To file electronically, the seller needs an EDGAR account, identified by a Central Index Key (CIK) number and a CIK Confirmation Code (CCC). If you do not already have one, you submit a Form ID application through the EDGAR Filer Management website, and the SEC emails the CIK number once the application is approved.⁵ Setting up an EDGAR account is not instant, so an insider anticipating a sale should handle it well before the trade date.

EDGAR accepts Form 144 submissions from 6 a.m. to 10 p.m. Eastern Time on business days, excluding federal holidays. Filings submitted in that window are deemed filed the same business day.⁵ Once accepted, the filing is public.

If You’re Not an Affiliate

Non-affiliates who hold restricted stock have a much simpler path. Once the holding period has run and the issuer is current with its public information, non-affiliates are not subject to the volume cap, the manner-of-sale rules, or the Form 144 filing requirement.³ For reporting-company shares, once a non-affiliate has held the stock for at least one year, even the current-information requirement drops away.

One trap: a former affiliate who has recently stepped down still must wait 90 days after losing that status before the non-affiliate rules apply. During that cooling-off period, the old rules govern any sale.

What Happens if You Get It Wrong

A sale that fails Rule 144’s conditions loses its registration exemption, which puts the seller into Section 5 of the Securities Act. SEC guidance flags that reselling shares without meeting Rule 144 raises “serious issues under Section 5” for everyone involved in the transaction.⁶

The practical consequences fall into three areas. Buyers of the improperly sold shares may have the right to rescind the sale, forcing the seller to return the purchase price plus interest. The SEC can bring civil or criminal enforcement actions, with financial penalties or, in serious cases, incarceration. And the individuals involved can be disqualified as “bad actors” from future capital raises under Rule 506(b) and 506(c) of Regulation D.⁷

The rescission right is the one that ambushes sellers. If a $500,000 sale is later unwound because Rule 144 was not properly followed, and the stock has since dropped, the buyer can return the shares and demand the full purchase price with interest. That is a statutory right, not a hypothetical. Given the stakes, most insiders run any material sale past securities counsel before submitting the form.

1
Federal Register. Updating EDGAR Filing Requirements and Form 144 Filings
2
eCFR. 17 CFR 230.144 – Persons Deemed Not to Be Engaged in a Distribution and Therefore Not Underwriters
3
U.S. Securities and Exchange Commission. Rule 144: Selling Restricted and Control Securities
4
U.S. Securities and Exchange Commission. Form 144 – Notice of Proposed Sale of Securities
5
U.S. Securities and Exchange Commission. File Form 144 Electronically
6
U.S. Securities & Exchange Commission. Rule 144 – Persons Deemed Not to Be Engaged in a Distribution and Therefore Not Underwriters
7
U.S. Securities and Exchange Commission. Consequences of Noncompliance