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Lentell Eric

Disclosed activity across 1 company

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20920
SEC CIK
0002016416

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Archer Aviation Inc.ACHR · Entity 4009Chief Strategy OfficerAugust 20, 2026August 22, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Archer Aviation Inc.

Report date August 20, 2026 · Filed August 22, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect85,011 Reported balance After 2026-08-20 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-08-20 · Sale · Disposed 100,000 · Balance 85,011

F1: The transaction was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 22, 2026.

F2: Following the reported transaction, in addition to the 85,011 shares of Class A Common Stock beneficially owned by the reporting person, the reporting person held restricted stock units representing contingent rights to receive up to an aggregate 435,687 shares of the Issuer's Class A Common Stock, which restricted stock units are subject to service-based vesting schedules and vest according to their respective terms.

Filing footnotes · ownership attribution and instrument terms

F1: The transaction was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 22, 2026.

F2: Following the reported transaction, in addition to the 85,011 shares of Class A Common Stock beneficially owned by the reporting person, the reporting person held restricted stock units representing contingent rights to receive up to an aggregate 435,687 shares of the Issuer's Class A Common Stock, which restricted stock units are subject to service-based vesting schedules and vest according to their respective terms.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 20, 2026 Filed Aug 22, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 100,000 $6.31 $631,000.00
Disclosure

SEC source: 0002016416-26-000022 · form4-08222026_120840.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Strategy Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,011

F1 · kind: The transaction was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 22, 2026.

F2 · balance_after: Following the reported transaction, in addition to the 85,011 shares of Class A Common Stock beneficially owned by the reporting person, the reporting person held restricted stock units representing contingent rights to receive up to an aggregate 435,687 shares of the Issuer's Class A Common Stock, which restricted stock units are subject to service-based vesting schedules and vest according to their respective terms.

Read SEC document
August 17, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 52,762 $6.41 $338,352.15
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · nonDerivative · entry 7

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,011

F1 · kind: Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units.

F2 · price: 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.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 7,301 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · derivative · entry 13

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,015

Underlying: Class A Common Stock · 7,301 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F10 · derivative.exercise_date: The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on May 15, 2026, and thereafter on August 15, November 15, March 1, and May 15.

F5 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 15,437 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · derivative · entry 12

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,927

Underlying: Class A Common Stock · 15,437 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F9 · derivative.exercise_date: 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.

F5 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 26,096 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · derivative · entry 11

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 130,480

Underlying: Class A Common Stock · 26,096 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F8 · derivative.exercise_date: 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.

F5 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 8,946 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · derivative · entry 10

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,672

Underlying: Class A Common Stock · 8,946 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F7 · derivative.exercise_date: 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.

F5 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 19,797 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · derivative · entry 9

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,593

Underlying: Class A Common Stock · 19,797 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F6 · derivative.exercise_date: The award vested or vests quarterly as to 1/16 of the total award, with the first tranche vested on May 15, 2023, and thereafter on August 15, November 15, March 1, and May 15.

F5 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 22,866 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · derivative · entry 8

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 22,866 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F4 · derivative.exercise_date: The award vested or vests as to: (i) 1/4 of the total award on August 15, 2023; and (ii) 1/16 of the total award quarterly thereafter on November 15, March 1, May 15, and August 15.

F5 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 7,301 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · nonDerivative · entry 6

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 237,773

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 15,437 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · nonDerivative · entry 5

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 230,472

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 26,096 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · nonDerivative · entry 4

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215,035

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 8,946 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · nonDerivative · entry 3

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,939

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 19,797 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · nonDerivative · entry 2

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,993

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 15, 2026 Filed Aug 19, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 22,866 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000020 · form4-08192026_120805.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,196

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 11, 2026 Filed Jun 16, 2026 00:54 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 3,754 $5.00 $18,763.99
Disclosure

SEC source: 0002016416-26-000018 · form4-06162026_120623.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,330

F1 · kind: 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.

F2 · price: 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.

Read SEC document
May 18, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 48,169 $5.95 $286,735.61
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · nonDerivative · entry 8

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,084

F3 · kind: Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.87 to $6.13 per share, inclusive.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 15,437 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · derivative · entry 15

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,364

Underlying: Class A Common Stock · 15,437 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F12 · derivative.exercise_date: 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.

F7 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 26,096 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · derivative · entry 14

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,576

Underlying: Class A Common Stock · 26,096 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F11 · derivative.exercise_date: 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.

F7 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 8,946 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · derivative · entry 13

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,618

Underlying: Class A Common Stock · 8,946 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F10 · derivative.exercise_date: 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.

F7 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 19,796 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · derivative · entry 12

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,390

Underlying: Class A Common Stock · 19,796 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F9 · derivative.exercise_date: The award vested or vests quarterly as to 1/16 of the total award, with the first tranche vested on May 15, 2023, and thereafter on August 15, November 15, March 1, and May 15.

F7 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 22,866 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · derivative · entry 11

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,866

Underlying: Class A Common Stock · 22,866 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F8 · derivative.exercise_date: The award vested or vests as to: (i) 1/4 of the total award on August 15, 2023; and (ii) 1/16 of the total award quarterly thereafter on November 15, March 1, May 15, and August 15.

F7 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 7,301 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · derivative · entry 10

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,316

Underlying: Class A Common Stock · 7,301 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F6 · derivative.exercise_date: The award shall vest as to 1/12 of the total award beginning on May 15, 2026, and thereafter quarterly on August 15th, November 15th, March 1st, May 15th.

F7 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 GrantRestricted Stock Units · Derivative 87,617 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · derivative · entry 9

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,617

Underlying: Class A Common Stock · 87,617 shares

Expires not disclosed

F5 · derivative.exercise_price: 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.

F6 · derivative.exercise_date: The award shall vest as to 1/12 of the total award beginning on May 15, 2026, and thereafter quarterly on August 15th, November 15th, March 1st, May 15th.

F7 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 39,967 $6.06 $242,243.98
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · nonDerivative · entry 7

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 189,253

F1 · kind: Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of performance restricted stock units, which was separately reported on a Form 4 filed with the U.S. Securities and Exchange Commission on April 22, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.005 to $6.135 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 ranges set forth in this footnote and in footnote 4 of this Form 4.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 15,437 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · nonDerivative · entry 6

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 229,220

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 26,096 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · nonDerivative · entry 5

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 213,783

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 8,946 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · nonDerivative · entry 4

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,687

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 19,796 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · nonDerivative · entry 3

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 178,741

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 22,866 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · nonDerivative · entry 2

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,945

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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May 15, 2026 Filed May 20, 2026 00:13 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 7,301 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000015 · form4-05202026_120517.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,079

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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April 20, 2026 Filed Apr 23, 2026 00:00 UTC Archer Aviation Inc. ACHR · Entity 4009 GrantClass A Common Stock 78,659 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000013 · form4-04232026_120446.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,778

F1 · kind: The reported transaction represents the vesting of the second of three tranches of a March 26, 2024 performance-based restricted stock unit award granted to the reporting person by the Issuer's compensation committee, which vests based on the achievement of a relative total stockholder return over a defined performance period (the "2024 Performance Award") and is subject to the reporting person's continued service through the vesting date.

F2 · kind: On April 20, 2026 (the "Certification Date"), the Issuer's compensation committee certified achievement of the vesting criteria of the second tranche of the 2024 Performance Award, resulting in one-third of the 2024 Performance Award vesting at 164.87% of the target amount granted for the two-year performance period beginning on March 26, 2024 and ending on March 26, 2026. The performance restricted stock units comprising the second tranche of the 2024 Performance Award will be settled for shares of the Issuer's Class A common stock shortly following the Certification Date.

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March 27, 2026 Filed Mar 31, 2026 23:58 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 50,000 $5.30 $265,000.00
Disclosure

SEC source: 0002016416-26-000010 · form4-03312026_110352.xml · nonDerivative · entry 2

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,119

F1 · kind: The transaction was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 3, 2025, as amended on December 23, 2025.

F2 · kind: This transaction was effected to offset certain tax liabilities and other related costs incurred by the reporting person in connection with the previous settlement of restricted stock units.

F3 · balance_after: Following the reported transaction, in addition to the 50,119 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person held restricted stock units representing contingent rights to receive up to an aggregate 548,955 shares of the Issuer's Class A Common Stock, which restricted stock units are subject to service-based vesting schedules and vest according to their respective terms.

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March 26, 2026 Filed Mar 31, 2026 23:58 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 50,000 $5.36 $268,000.00
Disclosure

SEC source: 0002016416-26-000010 · form4-03312026_110352.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 100,119

F1 · kind: The transaction was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 3, 2025, as amended on December 23, 2025.

F2 · kind: This transaction was effected to offset certain tax liabilities and other related costs incurred by the reporting person in connection with the previous settlement of restricted stock units.

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March 13, 2026 Filed Mar 17, 2026 00:08 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 8,059 $6.27 $50,569.42
Disclosure

SEC source: 0002016416-26-000007 · form4-03172026_120315.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,119

F1 · kind: 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 the 2025 PRSU Award, which vesting was separately reported on a Form 4 filed with the U.S. Securities and Exchange Commission on March 12, 2026. In accordance with company policy, shares are automatically sold to cover such obligations.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.225 to $6.315 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.

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March 10, 2026 Filed Mar 13, 2026 00:24 UTC Archer Aviation Inc. ACHR · Entity 4009 GrantClass A Common Stock 18,695 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000005 · form4-03132026_120302.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,178

F1 · kind: The reported transaction represents the certification of achievement of the first of three tranches of a performance-based restricted stock unit award granted to the reporting person by the Issuer's compensation committee on February 17, 2025 (the "2025 PRSU Award"). Vesting of each tranche of the 2025 PRSU Award is based on relative total stockholder return and is subject to the reporting person's continued service through the certification date of achievement of the relevant tranche.

F2 · kind: On March 10, 2026 (the "Certification Date"), the Issuer's compensation committee certified achievement of the first tranche of the 2025 PRSU Award, resulting in one-third of the 2025 PRSU Award becoming earned at 53.73% of the target amount granted. The performance restricted stock units comprising the first tranche of the 2025 PRSU Award so earned are fully vested and may be settled for shares of the Issuer's Class A common stock on the Certification Date.

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March 05, 2026 Filed Mar 10, 2026 00:20 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 37,390 $6.46 $241,576.79
Disclosure

SEC source: 0002016416-26-000004 · form4-03102026_120314.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,483

F1 · kind: Represents shares of Class A Common Stock sold to satisfy tax withholding obligations 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 March 3, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.315 to $6.775 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.

F3 · balance_after: For clarity, the total reported in Table I after giving effect to the reported transaction has been corrected to reflect one additional share not included in the reporting person's previous Form 4 filed on March 3, 2026, due to administrative error.

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March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 15,436 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · derivative · entry 10

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,802

Underlying: Class A Common Stock · 15,436 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F7 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

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March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 26,096 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · derivative · entry 9

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,672

Underlying: Class A Common Stock · 26,096 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F6 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

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March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 8,945 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · derivative · entry 8

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,564

Underlying: Class A Common Stock · 8,945 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

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March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 19,796 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · derivative · entry 7

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,186

Underlying: Class A Common Stock · 19,796 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F4 · derivative.exercise_date: The award vested or vests quarterly as to 1/16 of the total award, with the first tranche vested on May 15, 2023, and thereafter on August 15, November 15, March 1, and May 15.

F3 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

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March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 22,866 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · derivative · entry 6

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,732

Underlying: Class A Common Stock · 22,866 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: The award vested or vests as to: (i) 1/4 of the total award on August 15, 2023; and (ii) 1/16 of the total award quarterly thereafter on November 15, March 1, May 15, and August 15.

F3 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

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March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 15,436 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · nonDerivative · entry 5

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,872

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 26,096 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · nonDerivative · entry 4

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,436

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 8,945 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · nonDerivative · entry 3

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,340

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 19,796 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · nonDerivative · entry 2

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,395

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2026 Filed Mar 4, 2026 01:25 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionClass A Common Stock 22,866 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000003 · form4-03042026_010319.xml · nonDerivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,599

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 09, 2026 Filed Feb 12, 2026 01:07 UTC Archer Aviation Inc. ACHR · Entity 4009 GrantRestricted Stock Units · Derivative 185,238 $0.00 $0.00
Disclosure

SEC source: 0002016416-26-000002 · form4-02122026_010255.xml · derivative · entry 1

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,238

Underlying: Class A Common Stock · 185,238 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: The award shall vest as to 1/12 of the total award, with the first tranche vesting on March 1, 2026, and thereafter quarterly on May 15, August 15, November 15, and March 1.

F3 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

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November 17, 2025 Filed Nov 19, 2025 01:36 UTC Archer Aviation Inc. ACHR · Entity 4009 SaleClass A Common Stock 41,490 $7.49 $310,959.25
Disclosure

SEC source: 0002016416-25-000002 · form4-11192025_011155.xml · nonDerivative · entry 5

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,733

F1 · kind: Represents shares of Class A Common Stock of the issuer sold to satisfy the reporting person's tax withholding obligations, which were incurred in connection with the vesting of restricted stock units. In accordance with company policy, shares are automatically sold to cover such obligations.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.245 to $7.87, 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.

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November 15, 2025 Filed Nov 19, 2025 01:36 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 26,096 $0.00 $0.00
Disclosure

SEC source: 0002016416-25-000002 · form4-11192025_011155.xml · derivative · entry 9

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 208,768

Underlying: Class A Common Stock · 26,096 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F8 · derivative.exercise_date: The award vested or vests as to 1/12 of the total award beginning on March 1, 2025, and thereafter quarterly on May 15th, August 15th, November 15th, and March 1st.

F5 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

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November 15, 2025 Filed Nov 19, 2025 01:36 UTC Archer Aviation Inc. ACHR · Entity 4009 Exercise / conversionRestricted Stock Units · Derivative 8,946 $0.00 $0.00
Disclosure

SEC source: 0002016416-25-000002 · form4-11192025_011155.xml · derivative · entry 8

Lentell Eric · CIK 0002016416 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,509

Underlying: Class A Common Stock · 8,946 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F7 · derivative.exercise_date: The award vested or vests at to 1/16 of the total award beginning on May 15, 2024, and thereafter quarterly on August 15th, November 15th, March 1st, and May 15th.

F5 · derivative.expiration_date: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.