Thomas Paul Muniz - 13 Mar 2026 Form 4 Insider Report for Archer Aviation Inc. (ACHR)

Role: CHIEF TECHNOLOGY OFFICER
Signature: /s/ Eric Lentell, Attorney-in-Fact for Thomas Paul Muniz
Issuer symbol: ACHR
Transactions as of: 13 Mar 2026
Net transactions value: -$60,114
Form type: 4
Filing time: 16 Mar 2026, 20:09:17 UTC
Previous filing: 12 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Muniz Thomas Paul	CHIEF TECHNOLOGY OFFICER	C/O ARCHER AVIATION INC., 190 WEST TASMAN DRIVE, SAN JOSE	/s/ Eric Lentell, Attorney-in-Fact for Thomas Paul Muniz	16 Mar 2026	0001882348

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACHR	Class A Common Stock	Sale	$60,114	-9,580	-0.7%	$6.27	1,352,208	13 Mar 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	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.

Content

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.