Mark Mesler

Insider

First SEC filing: March 3, 2023 · Latest: March 3, 2023

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 10 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

10 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 17, 2023	ACHR	F	2,324	$6.22	$14,455	394,765 Direct	-0.59%	Disposed	0.2% (price as of 2026-08-19)
Nov. 16, 2023	ACHR	F	38,442	$6.22	$239,109	397,089 Direct	-8.83%	Disposed	0.2% (price as of 2026-08-19)
Nov. 15, 2023	ACHR	M	14,140	—	—	183,824 Direct	-7.14%	Disposed	(price as of 2026-08-19)
Nov. 15, 2023	ACHR	M	82,839	—	—	745,553 Direct	-10.00%	Disposed	(price as of 2026-08-19)
Nov. 15, 2023	ACHR	M	14,140	—	—	435,531 Direct	+3.36%	Acquired	(price as of 2026-08-19)
Nov. 15, 2023	ACHR	M	82,839	—	—	421,391 Direct	+24.47%	Acquired	(price as of 2026-08-19)
March 1, 2023	ACHR	M	331,356	—	—	994,071 Direct	-25.00%	Disposed	(price as of 2026-08-19)
March 1, 2023	ACHR	F	116,960	$2.95	$345,032	234,396 Direct	-33.29%	Disposed	111.4% (price as of 2026-08-19)
March 1, 2023	ACHR	M	331,356	—	—	351,356 Direct	+1656.78%	Acquired	(price as of 2026-08-19)
Jan. 13, 2023	ACHR	P	20,000	$2.63	$52,600	20,000 Direct	—	Acquired	137.1% (price as of 2026-08-19)
April 11, 2022	ACHR	A	1,325,427	—	—	1,325,427 Direct	—	Acquired	(price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Nov. 15, 2023	ACHR	Restricted Stock Units	Class A Common Stock (14,140)	—	—	14,140	Disposed
Nov. 15, 2023	ACHR	Restricted Stock Units	Class A Common Stock (82,839)	—	—	82,839	Disposed
March 1, 2023	ACHR	Restricted Stock Units	Class A Common Stock (331,356)	—	—	331,356	Disposed
April 11, 2022	ACHR	Restricted Stock Units	Class A Common Stock (1,325,427)	—	—	1,325,427	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2024	$500,000	—	$1,121,185	—	$146,311	—	$15,250	$1,782,746
2022	$450,758	$223,573	$5,328,217	—	—	—	$13,500	$6,016,048

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.