STOCK TITAN

Archer Aviation (ACHR) director exercises RSUs and receives 40,983-unit equity grant

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Archer Aviation director Maria Pinelli reported equity compensation activity involving Class A Common Stock and restricted stock units (RSUs). On June 26, 2026, she exercised RSUs to acquire 19,102 shares of Class A Common Stock, bringing her direct holdings to 201,787 shares after the transaction. The filing also shows a new grant of 40,983 RSUs, each representing a right to receive one share of Class A Common Stock if service-based vesting conditions are met. One RSU award vested or vests on the earlier of the one-year anniversary of its grant date or the date of Archer’s 2026 annual stockholders’ meeting, while the new award will vest on the earlier of the one-year anniversary of the grant date or the date of the 2027 annual stockholders’ meeting. The RSUs do not expire; they either vest into shares or are cancelled if vesting conditions are not satisfied.

Positive

  • None.

Negative

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Insider Pinelli Maria
Role null
Type Security Shares Price Value
Exercise Restricted Stock Units 19,102 $0.00 --
Grant/Award Restricted Stock Units 40,983 $0.00 --
Exercise Class A Common Stock 19,102 $0.00 --
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Class A Common Stock — 201,787 shares (Direct, null)
Footnotes (1)
  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. 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. These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date. 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.
RSUs exercised into shares 19,102 shares Class A Common Stock acquired on June 26, 2026
Shares held after transaction 201,787 shares Direct Class A Common Stock holdings post-transaction
New RSU grant size 40,983 RSUs Director equity award linked to 2027 annual meeting vesting
RSU-to-share ratio 1 RSU : 1 share Each unit represents one Class A Common Share upon vesting
Vesting reference year (prior award) 2026 meeting Earlier RSU award vests by 2026 annual stockholders’ meeting
Vesting reference year (new award) 2027 meeting New RSU award vests by 2027 annual stockholders’ meeting
Restricted Stock Units financial
"The filing also shows a new grant of 40,983 RSUs, each representing a right to receive one share"
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.
Class A Common Stock financial
"she exercised RSUs to acquire 19,102 shares of 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.
vesting financial
"subject to the reporting person's continued service to the Issuer on the applicable vesting date"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
annual stockholders' meeting financial
"will vest on the earlier of the one year anniversary of the grant date or the date of the Issuer's 2027 annual stockholders' meeting"
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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Pinelli Maria

(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)
XDirector10% 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)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Common Stock06/26/2026M19,102A$0201,787D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)06/26/2026M19,102 (2) (3)Class A Common Stock19,102$00D
Restricted Stock Units(1)06/26/2026A40,983 (4) (3)Class A Common Stock40,983$040,983D
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 Maria Pinelli06/30/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transactions did Archer Aviation (ACHR) director Maria Pinelli report?

Maria Pinelli reported exercising restricted stock units into 19,102 shares of Archer Aviation Class A Common Stock and receiving a new grant of 40,983 RSUs, all as equity compensation rather than open-market purchases or sales.

How many Archer Aviation (ACHR) shares does Maria Pinelli hold after these transactions?

After exercising RSUs into common stock, Maria Pinelli directly holds 201,787 shares of Archer Aviation Class A Common Stock. This figure reflects her position immediately following the June 26, 2026 equity compensation transactions reported in the Form 4 filing.

What are the key terms of Maria Pinelli’s new RSU grant at Archer Aviation (ACHR)?

The new grant consists of 40,983 restricted stock units, each representing a right to receive one Archer Class A share. The award will vest on the earlier of the one-year anniversary of the grant date or the date of Archer’s 2027 annual stockholders’ meeting.

How do Archer Aviation (ACHR) restricted stock units work for this director award?

Each restricted stock unit represents a contingent right to receive one share of Archer Aviation Class A Common Stock. Vesting is conditioned on Maria Pinelli’s continued service to the company through the applicable vesting date; otherwise, units are cancelled rather than expiring normally.

Were there any open-market share purchases or sales by Maria Pinelli in this Archer Aviation (ACHR) Form 4?

No open-market purchases or sales were reported. The Form 4 only shows RSU-related transactions: an exercise converting RSUs into 19,102 shares of Class A Common Stock and a new grant of 40,983 RSUs as part of director compensation.