374Water Inc.
SCWO- Exchange
- Nasdaq
- Industry
- Motors & Generators
- SEC CIK
- 0000933972
No open-market purchases or sales by 374Water Inc. insiders were filed in the last 90 days; 44 institutions reported holding it in 13F filings for Q2 2026, worth $3.40M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by 374Water Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for 374Water Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Weiser Charles Maurice | Chief Financial Officer | – | Jul 8, 2026 | 1 |
| Meyers Brad Ian | Chief Operating Officer | 30,169 | Jun 15, 2026 | 2 |
| Nagar Yaacov | 10% Owner | 1,771,263 | Apr 30, 2026 | 7 |
| Russell Kline | Chief Financial Officer | 668,642 | Dec 18, 2025 | 2 |
| Jones Stephen J | Interim CEO | 1,055,723 | Dec 17, 2025 | 2 |
| Melkote Rajesh Ramaswamy | Chief Technology Officer | 882,756 | Oct 23, 2025 | 1 |
| Gannon Chris M | Chief Executive Officer | 2,370,000 | Sep 3, 2025 | 0 |
| Penn Buddie J | Director | 577,962 | Sep 2, 2025 | 0 |
| Estes Deanna Rene | Director | 853,470 | Sep 2, 2025 | 0 |
| Vanderhider James Michael | Director | 596,130 | Sep 2, 2025 | 0 |
| Mandel Peter | General Counsel | 638,575 | Sep 2, 2025 | 0 |
| Pawloski James | Director | 619,431 | Sep 2, 2025 | 0 |
| Davis Richard H | Director | 1,143,793 | Jan 2, 2025 | 0 |
| Deshusses Marc | Director, 10% Owner | 22,652,451 | Nov 19, 2024 | 0 |
| Merrell Terry | Director | 40,000 | Nov 19, 2024 | 0 |
| Anderson Adrienne | Chief Financial Officer | 71,762 | Nov 19, 2024 | 0 |
| Abitbol Israel David | Chief Financial Officer | 402,716 | Apr 20, 2023 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 18, 2024 (view filing) | Nov 14 | 4 days | Nagar Yaacov10% Owner | SSale | −8.56K | $1.41 | −$12.1K | 0.0%37.1M after | |
| Nov 14, 2024 (view filing) | Nov 12-13 | 2 days | Nagar Yaacov10% Owner | SSale | −34.4K | $1.43 | −$49.2K | −0.1%37.1M after | 2 lots |
| Nov 12, 2024 (view filing) | Nov 8-11 | 4 days | Nagar Yaacov10% Owner | SSale | −44.4K | $1.56 | −$69.5K | −0.1%37.2M after | 2 lots |
| Nov 8, 2024 (view filing) | Nov 6-7 | 2 days | Nagar Yaacov10% Owner | SSale | −171.6K | $1.56 | −$267.3K | −0.5%37.2M after | 2 lots |
| Nov 6, 2024 (view filing) | Nov 4-5 | 2 days | Nagar Yaacov10% Owner | SSale | −158.0K | $1.43 | −$225.2K | −0.4%37.4M after | 2 lots |
| Nov 4, 2024 (view filing) | Oct 31-Nov 1 | 4 days | Nagar Yaacov10% Owner | SSale | −101.0K | $1.47 | −$148.6K | −0.3%37.5M after | 2 lots |
| Oct 31, 2024 (view filing) | Oct 29-30 | 2 days | Nagar Yaacov10% Owner | SSale | −72.5K | $1.74 | −$125.8K | −0.2%37.6M after | 2 lots |