Archer Aviation (NYSE: ACHR) insider lines up post-vesting share sale

Rhea-AI Filing Summary

An affiliated holder of Archer Aviation Inc. (Class A common stock) filed a Form 144 notice to potentially sell 93,116 shares through Fidelity Brokerage Services on or after 08/17/2026 on the NYSE, with an aggregate value of about $597,134.29. The shares derive from a Restricted Stock Vesting event dated 08/14/2026 and are categorized as compensation. The filer also reports that, in the prior three months, 91,839 Class A shares were sold on 05/18/2026 for proceeds of about $546,690.01.

Key Figures

Shares proposed for sale: 93,116 shares Proposed sale value: $597,134.29 Prior 3‑month shares sold: 91,839 shares +3 more

6 metrics

Shares proposed for sale 93,116 shares Class A common stock covered by Form 144, potential sales starting 08/17/2026

Proposed sale value $597,134.29 Aggregate value of 93,116 Class A shares in the Form 144 notice

Prior 3‑month shares sold 91,839 shares Class A shares sold on 05/18/2026 disclosed in the three‑month history

Prior 3‑month sale proceeds $546,690.01 Proceeds from 91,839 Class A shares sold on 05/18/2026

Proposed sale start date 08/17/2026 Date from which the 93,116-share sale may begin

Restricted stock vesting date 08/14/2026 Date of restricted stock vesting that generated the Class A compensation shares

Key Terms

Form 144, Restricted Stock Vesting, compensation, three‑month sales history

4 terms

Form 144 regulatory

"An affiliated holder of Archer Aviation Inc. filed a Form 144 notice"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"shares derive from a Restricted Stock Vesting event dated 08/14/2026"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

compensation financial

"categorized as compensation and tied to restricted stock vesting"

three‑month sales history regulatory

"reported as part of the three‑month sales history required by Form 144"

FAQ

What does the Form 144 filing indicate for ACHR Class A shares?

The Form 144 filing indicates an intention to potentially sell 93,116 ACHR Class A shares on or after 08/17/2026. These shares are tied to restricted stock vesting and would be sold through Fidelity Brokerage Services LLC on the NYSE.

How many ACHR shares are planned for sale under this Form 144?

The filing covers a planned sale of 93,116 ACHR Class A shares. The total value associated with this amount is approximately $597,134.29, and the proposed sales may begin on or after 08/17/2026, subject to applicable securities rules.

What is the origin of the ACHR shares listed in this Form 144?

The ACHR shares in this Form 144 stem from a Restricted Stock Vesting event dated 08/14/2026. They are identified as compensation-related Class A stock issued by the company and are now eligible, subject to Rule 144, for potential resale in the market.

Were any ACHR shares sold by the filer in the past three months?

Yes. The filer reports a prior sale of 91,839 ACHR Class A shares on 05/18/2026. That transaction generated proceeds of approximately $546,690.01, which is disclosed as part of the three-month sales history required by Form 144.

Who is the broker for the proposed ACHR share sales under this Form 144?

The broker for the proposed sale of 93,116 ACHR Class A shares is Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island. The filing indicates these sales are expected to occur on the NYSE, consistent with the stock’s listed trading venue.

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Available on EDGAR 08/17/2026 - 04:40 PM Accepted by SEC EDGAR 08/17/2026 - 04:39 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	93116	597134.29	770023800	08/17/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A	08/14/2026	Restricted Stock Vesting	Issuer			93116	08/14/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Thomas Muniz 190 West Tasman Drive San Jose CA 95134	Class A	05/18/2026	91839	546690.01

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)