Archer Aviation insider sells 3,754 shares for taxes

Archer Aviation Inc.'s Chief Legal & Strategy Officer, Eric Lentell, reported an open-market sale of 3,754 shares of Class A common stock at a weighted average price of about $4.9984 per share on June 11, 2026.

Rhea-AI Filing Summary

Archer Aviation Inc.'s Chief Legal & Strategy Officer, Eric Lentell, reported an open-market sale of 3,754 shares of Class A common stock at a weighted average price of about $4.9984 per share on June 11, 2026.

According to the footnotes, these shares were automatically sold to cover tax withholding obligations arising from the vesting of restricted stock units, consistent with company policy. Following this tax-related sale, Lentell directly holds 137,330 shares of Archer Aviation Class A common stock.

Insider Trade Summary

Net Seller: 3,754 shares

Net Sell 1 txn

Insider Lentell Eric

Role Chief Legal & Strategy Officer

Sold 3,754 shs ($19K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	3,754	$4.9984	$19K

Holdings After Transaction: Class A Common Stock — 137,330 shares (Direct)

Footnotes (2)

1. 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 restricted stock units, which vesting was separately reported on a Form 4 filed with the U.S. Securities and Exchange Commission on May 19, 2026. In accordance with company policy, shares are automatically sold to cover such obligations.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.98 to $5.035 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.

Key Figures

Shares sold: 3,754 shares Weighted average sale price: $4.9984 per share Post-transaction holdings: 137,330 shares +1 more

4 metrics

Shares sold 3,754 shares Class A Common Stock sold on June 11, 2026

Weighted average sale price $4.9984 per share Open-market sale to cover tax withholding

Post-transaction holdings 137,330 shares Class A Common Stock held directly after sale

Sale price range $4.98–$5.035 per share Multiple transactions within this range

Key Terms

restricted stock units, weighted average price, tax withholding obligations, Class A common stock

4 terms

restricted stock units financial

"tax withholding obligations, which were incurred in connection with the vesting of restricted stock units"

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.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

tax withholding obligations financial

"sold to satisfy the reporting person's tax withholding obligations, which were incurred in connection with the vesting"

Class A common stock financial

"Represents shares of the issuer's Class A common stock sold to satisfy the reporting person's tax"

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.

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

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Accepted by SEC EDGAR 06/15/2026 - 08:54 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^*

Lentell Eric

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal & Strategy Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026

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	06/11/2026		S(1)		3,754	D	$4.9984(2)	137,330	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

Explanation of Responses:

1. 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 restricted stock units, which vesting was separately reported on a Form 4 filed with the U.S. Securities and Exchange Commission on May 19, 2026. In accordance with company policy, shares are automatically sold to cover such obligations.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.98 to $5.035 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.

	/s/ Eric Lentell	06/15/2026
	** 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)