Davidson Michael H.
- SEC CIK
- 0001573785
In the past year, 1 open-market purchase filing worth $226.5K and 3 sale filings worth $25.3M.
Current role at each company
- NAMS NewAmsterdam Pharma Co N.V.Chief Executive Officeras of Sep 15, 2026
- BIOA BioAge Labs, Inc.Directoras of Jun 12, 2026
- TENX Tenax Therapeutics, Inc.Directoras of Jan 13, 2026
- SLN Silence Therapeutics plcDirectoras of Jan 6, 2025
- LSTA Lisata Therapeutics, Inc.Directoras of Jan 12, 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
- $226.5K
- 1 filing
- Sold
- $25.3M
- 3 filings
- Net
- −$25.1M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Davidson Michael H. 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.
NAMS NewAmsterdam Pharma Co N.V.
Chief Executive Officer7 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 (view filing)4:30 PM ET | Sep 14 | 1 day | Davidson Michael H.Chief Executive Officer | PPurchase | +10.0K | $22.65 | +$226.5K | +1.3%792.9K after | |
| Mar 2, 2026 (view filing) | Mar 2 | Same day | Davidson Michael H.Chief Executive Officer | SSale | −443.7K | $33.25 | −$14.8M | −71.8%174.1K after | |
| Feb 26, 2026 (view filing) | Feb 24-26 | 2 days | Davidson Michael H.Chief Executive Officer | SSale | −306.3K | $34.53 | −$10.6M | −63.8%174.1K after | 7 lots10b5-1 |
| Jan 9, 2026 (view filing) | Jan 7 | 2 days | Davidson Michael H.Chief Executive Officer | SSale | −11.6K | – | – | −3.0%378.9K after | 10b5-1 |
| Mar 28, 2025 (view filing) | Mar 26 | 2 days | Davidson Michael H.Chief Executive Officer | SSale | −12.3K | – | – | −3.0%390.4K after | |
| Aug 22, 2024 (view filing) | Aug 20 | 2 days | Davidson Michael H.Chief Executive Officer | PPurchase | +5.00K | $16.27 | +$81.3K | +2.4%209.8K after | |
| Jun 24, 2024 (view filing) | Jun 20 | 4 days | Davidson Michael H.Chief Executive Officer | PPurchase | +5.00K | $17.26 | +$86.3K | +2.5%204.8K after |
TENX Tenax Therapeutics, Inc.
Director2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 8, 2024 (view filing) | Aug 8 | Same day | Davidson Michael H.Director | PPurchase | +2.50K | – | – | +656.2%2.88K after | |
| Aug 8, 2024 (view filing) | Aug 8 | Same day | Davidson Michael H.Director | PPurchase | +72.5K | – | – | –25.0K after | Derivative2 lots |