Archer Aviation (ACHR) CAO acquires 85,715 shares through RSU conversion

Rhea-AI Filing Summary

Archer Aviation Inc. Chief Accounting Officer Harsh Rungta reported an automatic exercise and conversion of 85,715 restricted stock units into 85,715 shares of Class A Common Stock on March 1, 2026, at a price of $0.00 per share.

Following these transactions, he directly holds 174,026 restricted stock units and 85,715 shares of Class A Common Stock. The award vests with 1/3 on March 1, 2026 and the remaining 1/12 quarterly on May 15, August 15, November 15, and March 1, so long as he continues as a service provider.

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)
03/01/2026

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	03/01/2026		M		85,715	A	$0	85,715	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
Restricted Stock Units	(1)	03/01/2026		M			85,715	(2)	(3)	Class A Common Stock	85,715	$0	174,026	D

Explanation of Responses:

1. 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.

2. 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.

3. These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

	/s/ Eric Lentell as attorney-in-fact for Harsh Rungta	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did Archer Aviation (ACHR) report for Harsh Rungta?

Harsh Rungta reported acquiring shares through an RSU conversion. On March 1, 2026, 85,715 restricted stock units were converted into 85,715 shares of Archer Aviation Class A Common Stock at $0.00 per share, reflecting equity-based compensation rather than an open-market purchase.

How many Archer Aviation (ACHR) shares does Harsh Rungta hold after this Form 4?

After the reported transactions, Harsh Rungta holds 85,715 shares. The filing shows 85,715 Class A Common Stock shares directly owned, along with 174,026 restricted stock units that may settle into additional shares if vesting and service conditions are satisfied over time.

Were the Archer Aviation (ACHR) insider transactions open-market purchases or RSU conversions?

The transactions were RSU exercises and conversions, not open-market trades. Code “M” indicates an exercise or conversion of derivative securities, with 85,715 restricted stock units converting into 85,715 Class A Common Stock shares at a stated price of $0.00 per share.

What is the vesting schedule of Harsh Rungta’s Archer Aviation (ACHR) RSU award?

The RSU award vests over time based on continued service. One-third of the total award vests on March 1, 2026, and one-twelfth vests quarterly thereafter on May 15, August 15, November 15, and March 1, assuming he remains a service provider to Archer Aviation.

Do Archer Aviation (ACHR) restricted stock units held by Harsh Rungta expire?

The restricted stock units either vest or are cancelled; they do not expire. According to the disclosure, these RSUs remain outstanding until they vest under the service and time conditions, or are cancelled before their scheduled vesting dates, rather than having a traditional expiration date.