Archer Aviation (ACHR) officer sells 8,059 shares to cover tax obligations

Rhea-AI Filing Summary

Archer Aviation Inc. Chief Legal & Strategy Officer Eric Lentell reported an open-market sale of 8,059 shares of Class A common stock at a weighted average price of $6.2749 per share. The shares were sold on March 13, 2026 to satisfy tax withholding obligations arising from vesting of a 2025 PRSU Award, and were automatically sold under company policy. After this transaction, Lentell directly holds 150,119 shares. The sale price reflected multiple trades within a range of $6.225 to $6.315 per share.

Insider Trade Summary

Net Seller: 8,059 shares ($50,569)

Net Sell 1 txn

Insider Lentell Eric

Role Chief Legal & Strategy Officer

Sold 8,059 shs ($51K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	8,059	$6.2749	$51K

Holdings After Transaction: Class A Common Stock — 150,119 shares (Direct)

Footnotes (1)

1. Represents shares of the issuer's Class A common stock sold to satisfy the reporting person's tax withholding obligations, which were incurred in connection with the vesting of the 2025 PRSU Award, which vesting was separately reported on a Form 4 filed with the U.S. Securities and Exchange Commission on March 12, 2026. In accordance with company policy, shares are automatically sold to cover such obligations. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.225 to $6.315 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lentell Eric

(Last) (First) (Middle)

C/O ARCHER AVIATION INC.

190 WEST TASMAN DRIVE

(Street)

SAN JOSE CA 95134

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Archer Aviation Inc. [ ACHR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal & Strategy Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/13/2026		S(1)		8,059	D	$6.2749(2)	150,119	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares of the issuer's Class A common stock sold to satisfy the reporting person's tax withholding obligations, which were incurred in connection with the vesting of the 2025 PRSU Award, which vesting was separately reported on a Form 4 filed with the U.S. Securities and Exchange Commission on March 12, 2026. In accordance with company policy, shares are automatically sold to cover such obligations.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.225 to $6.315 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

	/s/ Eric Lentell	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Archer Aviation (ACHR) report for Eric Lentell?

Archer Aviation reported that Chief Legal & Strategy Officer Eric Lentell sold 8,059 shares of Class A common stock. The March 13, 2026 transaction was an open-market sale primarily to cover tax withholding obligations tied to the vesting of his 2025 performance-based restricted stock unit award.

At what price did Eric Lentell sell Archer Aviation (ACHR) shares?

The weighted average sale price was $6.2749 per Archer Aviation share. The sale was executed through multiple trades, with individual prices ranging from $6.225 to $6.315 per share, as disclosed, and was undertaken to satisfy tax withholding obligations from a recently vested equity award.

How many Archer Aviation (ACHR) shares does Eric Lentell hold after this Form 4?

Following the reported sale, Eric Lentell directly holds 150,119 shares of Archer Aviation Class A common stock. This post-transaction holding amount is disclosed in the Form 4 and reflects his remaining direct ownership after selling 8,059 shares to cover tax withholding obligations.

Why did Eric Lentell sell Archer Aviation (ACHR) shares according to the Form 4?

The shares were sold to satisfy tax withholding obligations incurred when Lentell’s 2025 PRSU Award vested. Company policy provides that shares are automatically sold to cover such obligations, making this a mechanistic tax-related transaction rather than a discretionary portfolio decision.

Was Eric Lentell’s Archer Aviation (ACHR) share sale part of automatic company policy?

Yes. The filing states that, in accordance with company policy, shares are automatically sold to cover the reporting person’s tax withholding obligations. Lentell’s 8,059-share sale was triggered by tax liabilities from the vesting of his 2025 performance-based restricted stock unit award.

Does the Archer Aviation (ACHR) Form 4 mention how the 8,059-share sale was executed?

The Form 4 notes the price is a weighted average from multiple transactions. These shares were sold in separate trades within a price range of $6.225 to $6.315 per share, and the reporting person offers to provide detailed breakdowns upon request.