Meisner Derek M
- SEC CIK
- 0001752461
In the past year, 6 open-market sale filings worth $248.8K and no purchases.
Current role at each company
- ABOS Acumen Pharmaceuticals, Inc.Chief Legal Officer & Corp Secas of Mar 10, 2026
- XFOR X4 Pharmaceuticals, IncChief Legal Officeras of Aug 19, 2022
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $248.8K
- 6 filings
- Net
- −$248.8K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Meisner Derek M as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
ABOS Acumen Pharmaceuticals, Inc.
Chief Legal Officer & Corp Sec9 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −2.09K | $3.26 | −$6.81K | −1.2%174.0K after | 10b5-1 |
| Mar 3, 2026 (view filing) | Feb 27 | 4 days | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −9.41K | $3.01 | −$28.3K | −5.1%174.0K after | 10b5-1 |
| Jan 28, 2026 (view filing) | Jan 26-28 | 2 days | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −17.8K | $3.00 | −$53.3K | −9.3%174.0K after | 2 lots10b5-1 |
| Jan 23, 2026 (view filing) | Jan 21-23 | 2 days | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −8.93K | $1.87 | −$16.7K | −4.9%174.0K after | 3 lots |
| Jan 12, 2026 (view filing) | Jan 8-12 | 4 days | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −50.7K | $1.80 | −$90.9K | −37.7%83.8K after | 4 lots |
| Jan 7, 2026 (view filing) | Jan 5-7 | 2 days | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −26.7K | $1.98 | −$52.7K | −16.6%134.5K after | 5 lots |
| Jan 23, 2025 (view filing) | Jan 21 | 2 days | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −3.42K | $1.59 | −$5.43K | −2.1%161.1K after | 10b5-1 |
| Jan 7, 2025 (view filing) | Jan 3 | 4 days | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −11.1K | $1.84 | −$20.5K | −10.2%97.7K after | 10b5-1 |
| Jan 19, 2024 (view filing) | Jan 19 | Same day | Meisner Derek MChief Legal Officer & Corp Sec | SSale | −8.93K | $3.48 | −$31.1K | −7.6%108.9K after | 10b5-1 |
XFOR X4 Pharmaceuticals, Inc
Chief Legal Officer5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 19, 2022 (view filing) | Aug 17 | 2 days | Meisner Derek MChief Legal Officer | SSale | −8.33K | – | – | −5.4%145.2K after | |
| Jun 27, 2022 (view filing) | Jun 24 | 3 days | Meisner Derek MChief Legal Officer | SSale | −4.17K | – | – | −2.6%153.5K after | |
| Jun 17, 2022 (view filing) | Jun 16 | 1 day | Meisner Derek MChief Legal Officer | SSale | −4.17K | – | – | −2.6%157.7K after | |
| Feb 14, 2022 (view filing) | Feb 11 | 3 days | Meisner Derek MChief Legal Officer | SSale | −15.9K | – | – | −21.9%56.8K after | |
| Aug 19, 2021 (view filing) | Aug 17 | 2 days | Meisner Derek MGeneral Counsel | SSale | −8.33K | $5.10 | −$42.5K | −10.3%72.7K after |