Anderson Karen M.
- SEC CIK
- 0001762176
In the past year, 3 open-market sale filings worth $6.50M and no purchases.
Current role at each company
- CNTA Centessa Pharmaceuticals plcChief People Officeras of Jun 24, 2026
- MIME Mimecast LtdChief Human Resources Officeras of May 23, 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
- $6.50M
- 3 filings
- Net
- −$6.50M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Anderson Karen 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.
CNTA Centessa Pharmaceuticals plc
Chief People Officer7 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 27, 2026 (view filing) | Mar 26 | 1 day | Anderson Karen M.Chief People Officer | SSale | −41.1K | $30.12 | −$1.24M | −39.8%62.1K after | 10b5-1 |
| Mar 18, 2026 (view filing) | Mar 16-17 | 2 days | Anderson Karen M.Chief People Officer | SSale | −74.8K | $28.20 | −$2.11M | −54.6%62.1K after | 2 lots10b5-1 |
| Mar 16, 2026 (view filing) | Mar 13 | 3 days | Anderson Karen M.Chief People Officer | SSale | −120.0K | $26.25 | −$3.15M | −65.9%62.1K after | Amended2 lots10b5-1 |
| Feb 10, 2025 (view filing) | Feb 7-10 | 3 days | Anderson Karen M.Chief People Officer | SSale | −31.0K | $19.03 | −$589.1K | −36.3%54.3K after | 2 lots10b5-1 |
| Feb 4, 2025 (view filing) | Feb 3 | 1 day | Anderson Karen M.Chief People Officer | SSale | −6.47K | $16.86 | −$109.1K | −10.6%54.3K after | 10b5-1 |
| Dec 17, 2024 (view filing) | Dec 13-17 | 4 days | Anderson Karen M.Chief People Officer | SSale | −16.5K | $17.21 | −$284.0K | −18.7%71.5K after | 2 lots10b5-1 |
| Mar 26, 2024 (view filing) | Mar 25 | 1 day | Anderson Karen M.Chief People Officer | SSale | −51.2K | $11.89 | −$608.2K | −41.7%71.5K after | 2 lots10b5-1 |
MIME Mimecast Ltd
Chief Human Resources Officer3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 3, 2021 (view filing) | Nov 1 | 2 days | Anderson Karen M.Chief Human Resources Officer | SSale | −7.81K | $75.10 | −$586.7K | −100.0%0 after | 3 lots |
| Oct 4, 2021 (view filing) | Oct 1 | 3 days | Anderson Karen M.Chief Human Resources Officer | SSale | −1.86K | $64.71 | −$120.3K | −100.0%0 after | 2 lots |
| Aug 12, 2021 (view filing) | Aug 10 | 2 days | Anderson Karen M.Chief Human Resources Officer | SSale | −17.5K | $58.57 | −$1.02M | −100.0%0 after | 2 lots |