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.
Holders of 5% or more of SCWO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of 374Water Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Nagar Yaacov | 13D/A | 19.00%32.1M shares | 0.00 ppfrom 19.00% | Dec 12, 20252 filings | Dec 16, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on 374Water Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Dec 16, 20255:12 PM ET | Nagar Yaacovand 2 others | 13D/A | 19.00%32.1M shares | 0.00 ppfrom 19.00% | Dec 14, 2025 | SEC |
| Dec 12, 20257:37 PM ET | Nagar Yaacovand 2 others | 13D | 19.00%32.1M shares | New | Dec 10, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell 374Water Inc. shares.
No Form 144 notices for 374Water Inc. are on file.