Eric Lentell - 20 Aug 2026 Form 4 Insider Report for Archer Aviation Inc. (ACHR)

Reporting relationship: Chief Strategy Officer
Issuer ticker: ACHR
Reported as of: 20 Aug 2026
Net transaction value: -$631,000
SEC form: 4
Accepted by SEC: 21 Aug 2026, 20:00:44 UTC
Prior SEC filing: 18 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Eric Lentell

Key filing fact

Eric Lentell filed Form 4 for Archer Aviation Inc. (ACHR) on 21 Aug 2026.

Key facts

This page summarizes Eric Lentell's Form 4 filing for Archer Aviation Inc. (ACHR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 Aug 2026, 20:00.

Change

Previous filing in this sequence was filed on 18 Aug 2026.
Current net transaction value: -$631,000.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002016416 Primary reporting owner

Lentell Eric

Relationship: Chief Strategy Officer
Address: C/O ARCHER AVIATION INC., 190 WEST TASMAN DRIVE, SAN JOSE
Signature: /s/ Eric Lentell
Signature date: 21 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ACHR transaction

Class A Common Stock

Sale

Transaction value: $631,000
Shares: -100,000
Change %: -54%
Price: $6.31
Shares after: 85,011
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

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

Footnote 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.