Greenman William Mariner
- SEC CIK
- 0001377258
In the past year, 3 open-market sale filings worth $1.20M and no purchases.
Current role at each company
- CERS Cerus CorpPresident and CEOas of Jul 2, 2026
- KDNY Chinook Therapeutics, Inc.Directoras of Aug 11, 2023
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
- $1.20M
- 3 filings
- Net
- −$1.20M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Greenman William Mariner 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.
CERS Cerus Corp
President and CEO10 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2022 (view filing) | Feb 25 | 4 days | Greenman William MarinerPresident and CEO | SSale | −308.3K | $5.70 | −$1.76M | −16.2%1.59M after | 2 lots |
| Mar 15, 2022 (view filing) | Mar 14 | 1 day | Greenman William MarinerPresident and CEO | SSale | −165.0K | $5.04 | −$831.7K | −7.7%1.97M after | 3 lots |
| Mar 14, 2023 (view filing) | Mar 13 | 1 day | Greenman William MarinerPresident and CEO | SSale | −60.5K | $2.80 | −$169.3K | −2.2%2.66M after | 2 lots |
| Mar 14, 2024 (view filing) | Mar 13-14 | 1 day | Greenman William MarinerPresident and CEO | SSale | −125.9K | $2.04 | −$256.9K | −3.8%3.18M after | 2 lots |
| Mar 5, 2025 (view filing) | Mar 4 | 1 day | Greenman William MarinerPresident and CEO | SSale | −23.0K | $1.55 | −$35.7K | −0.7%3.23M after | 10b5-1 |
| Mar 10, 2025 (view filing) | Mar 7 | 3 days | Greenman William MarinerPresident and CEO | SSale | −61.0K | $1.50 | −$91.5K | −1.4%4.31M after | 10b5-1 |
| Mar 17, 2025 (view filing) | Mar 13-14 | 4 days | Greenman William MarinerPresident and CEO | SSale | −193.9K | $1.45 | −$281.2K | −4.5%4.12M after | 2 lots10b5-1 |
| Mar 9, 2026 (view filing) | Mar 6 | 3 days | Greenman William MarinerPresident and CEO | SSale | −78.2K | $2.01 | −$157.2K | −1.4%5.45M after | 10b5-1 |
| Mar 16, 2026 (view filing) | Mar 12 | 4 days | Greenman William MarinerPresident and CEO | SSale | −447.8K | $1.66 | −$743.3K | −8.2%5.00M after | 10b5-1 |
| Jul 2, 2026 (view filing)7:13 PM ET | Jun 30 | 2 days | Greenman William MarinerPresident and CEO | SSale | −101.9K | $2.94 | −$299.9K | −2.0%5.05M after | 10b5-1 |
KDNY Chinook Therapeutics, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 31, 2023 (view filing) | May 30 | 1 day | Greenman William MarinerDirector | SSale | −1.16K | $23.30 | −$26.9K | −4.7%23.6K after |