Archer Aviation director exercises RSUs, gets new grant

Archer Aviation director Oscar Munoz reported equity compensation activity involving Class A Common Stock and Restricted Stock Units (RSUs).

Rhea-AI Filing Summary

Archer Aviation director Oscar Munoz reported equity compensation activity involving Class A Common Stock and Restricted Stock Units (RSUs). He exercised RSUs representing 19,102 shares of Class A Common Stock and, after this exercise, directly held 461,223 Class A shares.

Munoz also received a new award of 40,983 RSUs, each representing a contingent right to one share of Class A Common Stock. These RSUs vest in full on the earlier of the one-year anniversary of the grant date or the company’s 2027 annual stockholders’ meeting, subject to his continued service.

Insider Trade Summary

19,102 shares exercised/converted

Exercise 3 txns

Insider MUNOZ OSCAR

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	19,102	$0.00	$0.00
Grant/Award	Restricted Stock Units	40,983	$0.00	$0.00
Exercise	Class A Common Stock	19,102	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 40,983 contracts (Direct); Class A Common Stock — 461,223 shares (Direct)

Footnotes (4)

1. 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 service to the Issuer on the applicable vesting date.
2. F2. The entire award vested or vests 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. F3. These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.
4. F4. 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 2027 annual stockholders' meeting.

Key Figures

RSUs exercised into shares: 19,102 shares Class A shares after transactions: 461,223 shares New RSU grant size: 40,983 RSUs +1 more

4 metrics

RSUs exercised into shares 19,102 shares Class A Common Stock received from RSU exercise on June 26, 2026

Class A shares after transactions 461,223 shares Directly held by Oscar Munoz following Form 4 transactions

New RSU grant size 40,983 RSUs Contingent rights to Class A Common Stock granted June 26, 2026

RSUs remaining after exercise 40,983 RSUs Total RSUs held following transactions, per derivative holdings table

Key Terms

Restricted Stock Units, vesting date, annual stockholders' meeting, Class A Common Stock

4 terms

Restricted Stock Units financial

"The entire award will vest on the earlier of the: (i) one year anniversary of the grant date..."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting date financial

"subject to the reporting person's continued service to the Issuer on the applicable vesting date."

annual stockholders' meeting financial

"on the earlier of the: (i) one year anniversary of the grant date or (ii) date of the Issuer's 2027 annual stockholders' meeting."

Class A Common Stock financial

"Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock..."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Oscar Munoz report at Archer Aviation (ACHR)?

Oscar Munoz reported equity compensation activity, including exercising RSUs into 19,102 Class A shares and receiving a new grant of 40,983 RSUs. These transactions are non-cash awards and exercises, typical of director compensation rather than open-market share purchases or sales.

How many Archer Aviation Class A shares does Oscar Munoz hold after these Form 4 transactions?

After the reported transactions, Oscar Munoz directly holds 461,223 shares of Archer Aviation Class A Common Stock. This figure reflects his position following the exercise of RSUs representing 19,102 shares, as disclosed in the Form 4 transaction details.

What is the size of Oscar Munoz’s new RSU grant from Archer Aviation (ACHR)?

Oscar Munoz received a new award of 40,983 Restricted Stock Units. Each RSU represents a contingent right to receive one share of Archer Aviation Class A Common Stock, subject to vesting conditions tied to his continued service with the company.

When do Oscar Munoz’s new Archer Aviation RSUs vest?

The new RSU award to Oscar Munoz vests in full on the earlier of the one-year anniversary of the grant date or the date of Archer Aviation’s 2027 annual stockholders’ meeting. Vesting is conditioned on his continued service with the company through that date.

Did Oscar Munoz buy or sell Archer Aviation shares on the open market?

The Form 4 shows no open-market buys or sells by Oscar Munoz. The transactions are an RSU exercise into 19,102 Class A shares and a grant of 40,983 RSUs, both categorized as non-cash equity compensation events rather than market trades.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/30/2026 - 08:08 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

MUNOZ OSCAR

(Last) (First) (Middle)

C/O ARCHER AVIATION INC.

190 WEST TASMAN DRIVE

(Street)

SAN JOSE CALIFORNIA 95134

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/26/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/26/2026		M		19,102	A	$0	461,223	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)	06/26/2026		M			19,102	(2)	(3)	Class A Common Stock	19,102	$0	0	D
Restricted Stock Units	(1)	06/26/2026		A		40,983		(4)	(3)	Class A Common Stock	40,983	$0	40,983	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 on the applicable vesting date.

2. The entire award vested or vests 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.

4. 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 2027 annual stockholders' meeting.

	/s/ Eric Lentell, Attorney-in-Fact for Oscar Munoz	06/30/2026
	** 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.
* Form 4: SEC 1474 (03-26)