Derek M Meisner

CIK 1752461 · Chief Legal Officer & Corp Sec · last filed 2026-03-10

Derek M Meisner is a Chief Legal Officer & Corp Sec who has filed 27 SEC Form 4 insider transactions across 3 companies since 2018. The most recent filing, for ABOS, was dated Mar 10, 2026. Across all open-market trades the lifetime net is −$477.3K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $993.0K 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.

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Disclosed Exposure

$993.0K

Companies

3

Total Filings

27

Lifetime Open-Market Net

-$477.3K

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
ABOS Chief Legal Officer & Corp Sec 173,999 $2.37 $412.4K -$305.9K 13 2026-03-10
XFOR Chief Legal Officer 145,155 $4.00 $580.6K -$171.4K 12 2022-08-19
GENOCEA BIOSCIENCES, INC. (GNCA) Delisted SENIOR VP AND GENERAL COUNSEL $0.00 $0 2 2019-02-11

Recent Filings

27 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-10 ABOS Mixed -$2.9K EDGAR
2026-03-03 ABOS Mixed -$10.9K EDGAR
2026-01-28 ABOS Mixed -$20.4K EDGAR
2026-01-23 ABOS Sell (S) −8,934 -$16.7K EDGAR
2026-01-21 ABOS Grant (A) +99,133 $0 EDGAR
2026-01-12 ABOS Sell (S) −50,659 -$91.1K EDGAR
2026-01-07 ABOS Sell (S) −26,668 -$52.7K EDGAR
2025-01-23 ABOS Sell (S) −3,418 -$5.4K EDGAR
2025-01-07 ABOS Mixed +55,678 -$20.5K EDGAR
2024-01-19 ABOS Sell (S) −8,933 -$31.0K EDGAR
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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.