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 43 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 $568.2K 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.
$568.2K
3
43
-$477.3K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ABOS | Chief Legal Officer & Corp Sec | 173,999 | $3.15 | $548.1K | -$305.9K | 13 | 2026-03-10 |
| XFOR | Chief Legal Officer | 4,838 | $4.16 | $20.1K | -$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
43 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-10 | ABOS | Mixed | — | -$2.9K | EDGAR |
| 2026-03-06 | ABOS | Notice (144) | −2,090 | -$6.7K | EDGAR |
| 2026-03-03 | ABOS | Mixed | — | -$10.9K | EDGAR |
| 2026-02-27 | ABOS | Notice (144) | −9,406 | -$28.3K | EDGAR |
| 2026-01-28 | ABOS | Notice (144) | −2,671 | -$8.0K | EDGAR |
| 2026-01-28 | ABOS | Mixed | — | -$20.4K | EDGAR |
| 2026-01-26 | ABOS | Notice (144) | −15,085 | -$45.3K | EDGAR |
| 2026-01-23 | ABOS | Notice (144) | −5,633 | -$10.5K | EDGAR |
| 2026-01-23 | ABOS | Sell (S) | −8,934 | -$16.7K | EDGAR |
| 2026-01-22 | ABOS | Notice (144) | −1,054 | -$1.9K | EDGAR |
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.