ACHR · Insider Trading

Archer Aviation Inc.

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Every open-market purchase and sale reported by ACHR officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.

Form 4 Filings

most recent

Open-Market Buys

code P

Sales

code S

Reporting Insiders

current holders

ACHR — Recent Form 4 Transactions (latest 2026-09-23)

Filed	Insider	Role	Type	Shares	Value
2026-09-23	Benjamin Lyon	President, Aircraft OEM	Sell	−45,359	−$246.30K
2026-08-21	Eric Lentell	Chief Strategy Officer	Sell	−100,000	−$631.00K
2026-08-18	Harsh Rungta	Chief Accounting Officer	MIXED	+20,286	−$89.01K
2026-08-18	Benjamin Lyon	President, Aircraft OEM	MIXED	+45,359	−$321.85K
2026-08-18	Eric Lentell	Chief Legal & Strategy Officer	MIXED	+47,681	−$338.35K
2026-08-18	Priya Gupta	Interim CFO	MIXED	+10,383	−$64.22K

ACHR — Current Insider Holders

Insider	Role	Shares Held	Value
Priya Gupta	Interim CFO	202,784	$989.59K
Harsh Rungta	Chief Accounting Officer	110,847	$540.93K
Eric Lentell	Chief Strategy Officer	85,011	$414.85K

ACHR Insider Trading FAQ

Who are the insiders at ACHR?

3 officers, directors and 10%+ beneficial owners currently report holdings in ACHR via SEC Form 4.

Are ACHR insiders buying or selling?

Across the 6 most recent Form 4 filings for ACHR, 0 were open-market purchases (code P) and 2 were sales (code S). Sales frequently reflect scheduled 10b5-1 plans or tax withholding rather than a view on the stock.

How current is ACHR insider data?

Form 4 must be filed within two business days of the transaction, so this is close to real time. The most recent ACHR filing is dated 2026-09-23.

How to read Form 4 activity

Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.

Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.

Full filing history and per-insider positions are on the ACHR quote page; the site-wide leaderboard is on the insider transactions hub.