Mark Mesler

CIK 1909981 · CHIEF FINANCIAL OFFICER · last filed 2025-05-16

Mark Mesler is a CHIEF FINANCIAL OFFICER who has filed 17 SEC Form 4 insider transactions across 1 company since 2022. The most recent filing, for ACHR.WS, was dated May 16, 2025. Across all open-market trades the lifetime net is −$1.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $81.2K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$81.2K

Companies

1

Total Filings

17

Lifetime Open-Market Net

-$1.33M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
ACHR.WS CHIEF FINANCIAL OFFICER 711,525 $0.11 $81.2K -$1.33M 17 2025-05-16

Recent Filings

17 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-05-16 ACHR.WS Mixed +52,168 -$659.5K EDGAR
2025-04-01 ACHR.WS Mixed +29,114 -$242.7K EDGAR
2025-03-04 ACHR.WS Mixed +40,685 -$479.5K EDGAR
2024-11-19 ACHR.WS Mixed +51,445 -$221.9K EDGAR
2024-08-19 ACHR.WS Mixed +49,067 -$201.4K EDGAR
2024-05-17 ACHR.WS Mixed +45,535 -$210.0K EDGAR
2024-03-28 ACHR.WS Grant (A) $0 EDGAR
2024-03-05 ACHR.WS Mixed +42,177 -$231.4K EDGAR
2023-11-21 ACHR.WS Tax (F) −2,324 -$14.4K EDGAR
2023-11-17 ACHR.WS Mixed +58,537 -$239.0K EDGAR
Showing 110 of 17
Page 1 of 2
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.