Harsh Rungta - 01 Mar 2026 Form 4 Insider Report for Archer Aviation Inc. (ACHR)

Role: Chief Accounting Officer
Signature: /s/ Eric Lentell as attorney-in-fact for Harsh Rungta
Issuer symbol: ACHR
Transactions as of: 01 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 03 Mar 2026, 20:29:34 UTC
Previous filing: 22 Apr 2025
Next filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Rungta Harsh	Chief Accounting Officer	C/O ARCHER AVIATION INC., 190 WEST TASMAN DRIVE, SAN JOSE	/s/ Eric Lentell as attorney-in-fact for Harsh Rungta	03 Mar 2026	0002064297

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACHR	Class A Common Stock	Options Exercise	$0	+85,715		$0.000000	85,715	01 Mar 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ACHR	Restricted Stock Units	Options Exercise	$0	-85,715	-33%	$0.000000	174,026	01 Mar 2026	Class A Common Stock	85,715		Direct	F1, F2, F3

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of the issuer's Class A Common Stock, subject to the reporting person's continued status as a service provider to the issuer.
F2	The award vested or vests as to: (i) 1/3 of the total award on March 1, 2026; and (ii) 1/12 of the total award quarterly thereafter on May 15, August 15, November 15, and March 1.
F3	These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.