Lentell Eric 4

4 · Archer Aviation Inc. · Filed Mar 3, 2026

Form 4

Period: 2026-03-01

Chief Legal & Strategy Officer

Transactions

Exercise/Conversion
Class A Common Stock
2026-03-01+22,866→ 106,599 total
Exercise/Conversion
Class A Common Stock
2026-03-01+19,796→ 126,395 total
Exercise/Conversion
Class A Common Stock
2026-03-01+8,945→ 135,340 total
Exercise/Conversion
Class A Common Stock
2026-03-01+26,096→ 161,436 total
Exercise/Conversion
Class A Common Stock
2026-03-01+15,436→ 176,872 total
Exercise/Conversion
Restricted Stock Units
[F1][F2][F3]
2026-03-01−22,866→ 45,732 total
→ Class A Common Stock (22,866 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F4][F3]
2026-03-01−19,796→ 79,186 total
→ Class A Common Stock (19,796 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F5][F3]
2026-03-01−8,945→ 71,564 total
→ Class A Common Stock (8,945 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F6][F3]
2026-03-01−26,096→ 182,672 total
→ Class A Common Stock (26,096 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F7][F3]
2026-03-01−15,436→ 169,802 total
→ Class A Common Stock (15,436 underlying)

Footnotes (7)

[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 status as a service provider to the issuer.
[F2]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]These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.
[F4]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]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]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]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.

Signature

/s/ Eric Lentell|2026-03-03

Documents

1 file