[Form 4] Archer Aviation Inc. Insider Trading Activity

Rhea-AI Filing Summary

Form 4 filing for Archer Aviation Inc. (ACHR) – 6/27/2025: Director Deborah Diaz was granted 19,102 restricted stock units (RSUs) representing Class A common shares. The award is coded “A” (acquired) at $0 cost and brings Diaz’s total derivative holdings to 19,102 RSUs.

Vesting schedule: the RSUs vest in full on the earlier of (i) one-year anniversary of the 6/27/2025 grant date or (ii) the Company’s 2026 annual shareholders’ meeting. Unvested units will be forfeited if service terminates before vesting; vested units convert 1-for-1 into shares.

No sales or dispositions were reported, and there were no transactions in non-derivative securities. The issuance is part of routine director compensation and is immaterial to share count (≈0.007% of ~280 M outstanding shares).

Insights

Equity Compensation Analyst

TL;DR: Routine director RSU grant; immaterial dilution, modest alignment of interests; neutral corporate impact.

The filing records the annual equity retainer for Director Deborah Diaz, typical among growth-oriented issuers seeking to align board incentives with share performance. At only ~19 k shares, the grant has a negligible dilutive effect and does not signal any change in strategy or insider sentiment. The one-year or next AGM vesting schedule is standard and provides short-term alignment. No dispositions suggest continued insider confidence, but the size is too small to infer a meaningful outlook. Overall, the event is governance-routine and should not affect valuation models.

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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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^*

Diaz Deborah

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/27/2025

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

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)	06/27/2025		A		19,102		(2)	(3)	Class A Common Stock	19,102	$0	19,102	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 service to the Issuer as of the applicable vesting date.

2. The entire award will vest on the earlier of the: (i) one year anniversary of the grant date or (ii) date of the Issuer's 2026 annual stockholders' meeting.

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

	/s/ Eric Lentell, Attorney-in-Fact for Deborah Diaz	07/01/2025
	** 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

How many Archer Aviation (ACHR) shares did Director Deborah Diaz receive?

She received 19,102 restricted stock units, each convertible into one Class A share.

What is the vesting schedule for the RSUs granted to Deborah Diaz?

The RSUs vest on the earlier of one year after 6/27/2025 or the 2026 annual stockholders’ meeting.

Did the Form 4 report any sales of Archer Aviation stock?

No—only an acquisition of RSUs was reported; there were no sales or disposals.

What was the purchase price for the RSUs?

The RSUs were granted at $0 cost as part of standard director compensation.

How much dilution does the 19,102-share grant represent?

It is immaterial—approximately 0.007 percent of Archer Aviation’s estimated 280 million shares outstanding.