SEC Form 4 · accession 0001870608-26-000009
Archer Aviation Inc. · ACHR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Benjamin Lyon
Officer — President, Aircraft OEM
Period of report
Aug 15, 2026
Accepted (ET)
Aug 18, 2026 · 8:03 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001824502
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock | Aug 15, 2026 | M | 54,383 | $0.00 | A | 54,383 | D | |
| Class A Common Stock | Aug 15, 2026 | M | 41,164 | $0.00 | A | 95,547 | D | |
| Class A Common StockF2 | Aug 17, 2026 | S | 50,188 | $6.4128 | D | 45,359 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF3,F4,F5 | — | Aug 15, 2026 | M | 54,383 | D | — | — | Class A Common Stock | 54,383 | 326,298 | D |
| Restricted Stock UnitsF3,F6,F5 | — | Aug 15, 2026 | M | 41,164 | D | — | — | Class A Common Stock | 41,164 | 370,476 | D |
Explanation of responses
- F1Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units.
- F2The 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.
- F3Each 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.
- F4The award vested or vests quarterly in ratable increments, with the first tranche vested on May 15, 2025, and vesting thereafter on August 15, November 15, March 1, and May 15.
- F5These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.
- F6The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2026, and vesting thereafter on May 15, August 15, November 15, and March 1.