Muniz Thomas Paul 4

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

Form 4

Period: 2026-03-01

CHIEF TECHNOLOGY OFFICER

Transactions

Exercise/Conversion
Class A Common Stock
2026-03-01+143,750→ 1,415,879 total
Exercise/Conversion
Class A Common Stock
2026-03-01+8,945→ 1,424,824 total
Exercise/Conversion
Class A Common Stock
2026-03-01+7,612→ 1,432,436 total
Exercise/Conversion
Class A Common Stock
2026-03-01+7,718→ 1,440,154 total
Exercise/Conversion
Restricted Stock Units
[F1][F2][F3]
2026-03-01−143,750→ 718,750 total
→ Class A Common Stock (143,750 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F4][F3]
2026-03-01−8,945→ 71,564 total
→ Class A Common Stock (8,945 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F5][F3]
2026-03-01−7,612→ 53,277 total
→ Class A Common Stock (7,612 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F6][F3]
2026-03-01−7,718→ 84,901 total
→ Class A Common Stock (7,718 underlying)

Footnotes (6)

[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 May 15, 2024; and (ii) 1/16 of the total award quarterly thereafter on March 1, May 15, August 15, and November 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, 2024, and thereafter on August 15, November 15, March 1, and May 15.
[F5]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.
[F6]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, Attorney-in-Fact for Thomas Paul Muniz|2026-03-03

Documents

1 file