Archer Aviation (ACHR) CAO sells 22,826 shares to cover tax bill

Rhea-AI Filing Summary

Archer Aviation Inc.’s Chief Accounting Officer, Harsh Rungta, reported an open‑market sale of 22,826 shares of Class A Common Stock at a weighted average price of $6.461 per share.

According to the footnotes, these shares were sold to satisfy tax withholding obligations from recently vested restricted stock units. After the transaction, Rungta directly holds 65,458 shares of Class A Common Stock, which includes 2,569 shares acquired through the company’s employee stock purchase plan.

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

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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^*

Rungta Harsh

(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 Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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	03/05/2026		S(1)		22,826	D	$6.461(2)	65,458(3)	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 Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units, which vesting was separately reported on a Form 4 filed with the U.S. Securities and Exchange Commission on March 3, 2026.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.315 to $6.775 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.

3. The reported total includes 2,569 shares of Class A Common Stock acquired by the reporting person in one or more transactions with the issuer pursuant to its employee stock purchase plan, which transactions are exempt pursuant to Rules 16a3(f)(1)(i)(B) and 16b3(c).

	/s/ Eric Lentell, Attorney-in-Fact for Harsh Rungta	03/09/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transaction did ACHR’s Harsh Rungta report?

Harsh Rungta, Archer Aviation’s Chief Accounting Officer, reported selling 22,826 shares of Class A Common Stock. The sale was executed as an open-market transaction and was used to cover tax withholding obligations arising from the vesting of restricted stock units.

At what price did Harsh Rungta sell Archer Aviation (ACHR) shares?

The reported weighted average sale price was $6.461 per Archer Aviation share. Footnotes state the shares were sold in multiple trades between $6.315 and $6.775, with full trade-by-trade details available upon request from the company, shareholders, or regulators.

Why did Archer Aviation’s Chief Accounting Officer sell ACHR shares?

The filing states the shares were sold to satisfy tax withholding obligations from the vesting of restricted stock units. This means the sale was made to cover tax liabilities tied to equity compensation, rather than as a discretionary portfolio decision.

How many Archer Aviation shares does Harsh Rungta hold after this Form 4 sale?

After the reported transaction, Harsh Rungta directly owns 65,458 shares of Archer Aviation Class A Common Stock. This total includes 2,569 shares he acquired through the company’s employee stock purchase plan in exempt transactions under specific SEC rules.

What type of security did ACHR’s insider transaction involve?

The transaction involved Archer Aviation’s Class A Common Stock, a non-derivative security. Shares were sold in the open market in multiple trades within a specified price range, with a weighted average price reported for disclosure purposes in the Form 4 filing.

Is Harsh Rungta’s Archer Aviation share sale considered open-market?

Yes. The Form 4 describes the transaction code as an open-market or private sale, and labels the action as an open-market sale. However, the footnote clarifies the primary purpose was to cover tax withholding from vested restricted stock units.