Were Priya Gupta’s ACHR share sales related to tax withholding?

Yes. The filing states the 10,015 ACHR shares sold on August 17, 2026 represent shares sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units.

Archer Aviation interim CFO sells 10K shares at $6.41

Q: What insider transactions did ACHR’s Interim CFO Priya Gupta report?

Priya Gupta reported converting 20,398 RSUs into Class A Common Stock on August 15, 2026 and selling 10,015 shares on August 17, 2026. The sale was disclosed as satisfying tax withholding obligations from RSU vesting.

Q: How many Archer Aviation (ACHR) shares did Priya Gupta sell and at what price?

Priya Gupta sold 10,015 Class A shares of ACHR at a weighted average price of $6.4128 per share. Footnotes state the shares were sold in multiple trades between $6.32 and $6.485 per share.</

Q: How many Restricted Stock Units did Priya Gupta convert at Archer Aviation (ACHR)?

Priya Gupta converted a total of 20,398 Restricted Stock Units into an equal number of ACHR Class A shares on August 15, 2026. These RSUs vest in scheduled quarterly tranches, contingent on her continued service with Archer Aviation.

Q: What do the RSU vesting schedules look like in this ACHR Form 4?

The filing describes RSU awards vesting quarterly, including one that vests as to 1/16 of the total beginning May 15, 2024 and others vesting as to 1/12 beginning March 1, 2025 and March 1, 2026, subject to continued service.

Q: Does the ACHR Form 4 mention shares from the Employee Stock Purchase Plan?

Yes. A footnote states that 3,351 Class A shares are included in the reporting person’s holdings from transactions under Archer Aviation’s Employee Stock Purchase Plan, which are exempt under specific SEC rules.

Archer Aviation Inc. (ACHR) reported insider equity activity by Interim CFO Priya Gupta.

Filing Impact

(Neutral)

Filing Sentiment

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Sentiment and the balance of points

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Form Type

Rhea-AI Filing Summary

Archer Aviation Inc. (ACHR) reported insider equity activity by Interim CFO Priya Gupta. On August 15, 2026, she converted a total of 20,398 Restricted Stock Units into the same number of Class A Common shares at $0.00 per share as part of vesting awards, some of which include shares previously acquired through the company’s Employee Stock Purchase Plan. On August 17, 2026, 10,015 Class A shares were sold in the market at a weighted average price of $6.4128 per share (individual trades ranged from $6.32 to $6.485) to satisfy tax withholding obligations arising from RSU vesting.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 7 txns

Insider Gupta Priya

Role Interim CFO

Sold 10,015 shs ($64K)

Approx. gross sale proceeds $64K

Type	Security	Shares	Price	Value
Sale	Class A Common Stock ^{F2, F3}	10,015	$6.4128	$64K
Exercise	Restricted Stock Units ^{F4, F5, F6}	3,583	$0.00	$0.00
Exercise	Restricted Stock Units ^{F4, F7, F6}	6,524	$0.00	$0.00
Exercise	Restricted Stock Units ^{F4, F8, F6}	10,291	$0.00	$0.00
Exercise	Class A Common Stock ^F1	3,583	$0.00	$0.00
Exercise	Class A Common Stock	6,524	$0.00	$0.00
Exercise	Class A Common Stock	10,291	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 132,405 contracts (Direct); Class A Common Stock — 202,784 shares (Direct)

Footnotes (8)

F1. Includes 3,351 shares of Class A Common Stock acquired by the reporting person in one or more transactions with the issuer pursuant to its Employee Stock Purchase Plan, which transactions are exempt pursuant to Rules 16a3(f)(1)(i)(B) and 16b3(c).
F2. Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units.
F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.32 to $6.485 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.
F4. 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.
F5. The award vested or vests quarterly as to 1/16 of the total award, with the first tranche vested on May 15, 2024, and thereafter on August 15, November 15, March 1, and May 15.
F6. These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.
F7. The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2025, and thereafter on May 15, August 15, November 15, and March 1.
F8. The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2026, and thereafter on May 15, August 15, November 15, and March 1

Key Figures

Shares sold: 10,015 shares Weighted average sale price: $6.4128 per share Sale price range: $6.32 to $6.485 per share +4 more

7 metrics

Shares sold 10,015 shares Class A Common Stock sold on August 17, 2026

Weighted average sale price $6.4128 per share Price for 10,015 shares of Class A sold on August 17, 2026

Sale price range $6.32 to $6.485 per share Range of prices for multiple sale transactions included in the Form 4

RSUs converted 20,398 units Restricted Stock Units converted into Class A Common Stock on August 15, 2026

RSU conversion price $0.00 per share Conversion of RSUs into Class A Common Stock on August 15, 2026

ESPP shares referenced 3,351 shares Class A shares acquired under Employee Stock Purchase Plan included in holdings

Net buy/sell shares -10,015 shares Net share disposition in this filing, based on transaction summary

Key Terms

Restricted Stock Units, Employee Stock Purchase Plan, tax withholding obligations, weighted average price, +1 more

5 terms

Restricted Stock Units financial

"Each restricted stock unit represents a contingent 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.

Employee Stock Purchase Plan financial

"acquired by the reporting person in one or more transactions with the issuer pursuant to its Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

tax withholding obligations financial

"shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting"

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.

service provider other

"subject to the reporting person's continued status as a service provider to the issuer"

FAQ

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

What insider transactions did ACHR’s Interim CFO Priya Gupta report?

Priya Gupta reported converting 20,398 RSUs into Class A Common Stock on August 15, 2026 and selling 10,015 shares on August 17, 2026. The sale was disclosed as satisfying tax withholding obligations from RSU vesting.

How many Archer Aviation (ACHR) shares did Priya Gupta sell and at what price?

Priya Gupta sold 10,015 Class A shares of ACHR at a weighted average price of $6.4128 per share. Footnotes state the shares were sold in multiple trades between $6.32 and $6.485 per share.

How many Restricted Stock Units did Priya Gupta convert at Archer Aviation (ACHR)?

Priya Gupta converted a total of 20,398 Restricted Stock Units into an equal number of ACHR Class A shares on August 15, 2026. These RSUs vest in scheduled quarterly tranches, contingent on her continued service with Archer Aviation.

What do the RSU vesting schedules look like in this ACHR Form 4?

The filing describes RSU awards vesting quarterly, including one that vests as to 1/16 of the total beginning May 15, 2024 and others vesting as to 1/12 beginning March 1, 2025 and March 1, 2026, subject to continued service.

Does the ACHR Form 4 mention shares from the Employee Stock Purchase Plan?

Yes. A footnote states that 3,351 Class A shares are included in the reporting person’s holdings from transactions under Archer Aviation’s Employee Stock Purchase Plan, which are exempt under specific SEC rules.

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

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Available on EDGAR 08/18/2026 - 08:01 PM Accepted by SEC EDGAR 08/18/2026 - 08:01 PM

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^*

Gupta Priya

(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)
	Interim CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	08/15/2026		M		3,583	A	$0	195,984⁽¹⁾	D
Class A Common Stock	08/15/2026		M		6,524	A	$0	202,508	D
Class A Common Stock	08/15/2026		M		10,291	A	$0	212,799	D
Class A Common Stock	08/17/2026		S⁽²⁾		10,015	D	$6.4128⁽³⁾	202,784	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽⁴⁾	08/15/2026		M			3,583	⁽⁵⁾	⁽⁶⁾	Class A Common Stock	3,583	$0	7,166	D
Restricted Stock Units	⁽⁴⁾	08/15/2026		M			6,524	⁽⁷⁾	⁽⁶⁾	Class A Common Stock	6,524	$0	32,620	D
Restricted Stock Units	⁽⁴⁾	08/15/2026		M			10,291	⁽⁸⁾	⁽⁶⁾	Class A Common Stock	10,291	$0	92,619	D

Explanation of Responses:

1. Includes 3,351 shares of Class A Common Stock acquired by the reporting person in one or more transactions with the issuer pursuant to its Employee Stock Purchase Plan, which transactions are exempt pursuant to Rules 16a3(f)(1)(i)(B) and 16b3(c).

2. Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.32 to $6.485 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.

4. 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.

5. The award vested or vests quarterly as to 1/16 of the total award, with the first tranche vested on May 15, 2024, and thereafter on August 15, November 15, March 1, and May 15.

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

7. The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2025, and thereafter on May 15, August 15, November 15, and March 1.

8. The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2026, and thereafter on May 15, August 15, November 15, and March 1

	/s/ Eric Lentell, Attorney-in-Fact for Priya Gupta	08/18/2026
	** 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)

Source: View Original Filing on SEC EDGAR