Comparable stake leader
Yaacov Nagar
SEC ownership of 374Water Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000933972.
Disclosed value leader
Marc Deshusses
Comparable rows
2/50
Latest evidence
01 Jul 2026
- Public ticker
- SCWO on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Yaacov Nagar
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Yaacov Nagar
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000933972
- Issuer location
- Durham, NC
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of 374Water Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Yaacov Nagar
Disclosed value leader
Marc Deshusses
Comparable rows
2/50
Latest evidence
01 Jul 2026
3/4/5
13D/G
13F
Lead comparable stake: 10%
48 rows are not safely comparable across share classes.
13D/G row: Yaacov Nagar
Showing 1-8 of 50 holder rows.
Quick read
Yaacov Nagar leads the comparable SEC ownership view at 10%.
2 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Yaacov Nagar's linked filing trail.
Comparable ownership
Top 2
Yaacov Nagar
10%
Stephen H. McKnight
2.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Yaacov Nagar |
3/4/5
13D/G
10%+ Owner
|
10%
Reported 13D/G
· 30 Apr 2026
|
$5,030,386
1,771,263 shares
|
— | 30 Apr 2026 |
| Stephen H. McKnight |
13D/G
3/4/5
Bryce Allan Johnson · Director
|
2.4%
Reported 13D/G
· 22 Jan 2026
|
$1,254,863
410,086 shares
|
$0 | 22 Jan 2026 |
| Marc Deshusses |
3/4/5
Director, 10%+ Owner
|
—
mixed-class rows
|
$28,315,564
22,700,451 shares
mixed-class rows
|
— | 18 Nov 2024 |
| Terry Merrell |
3/4/5
Director
|
—
denominator unverified
|
$7,613,230
6,090,584 shares
|
— | 15 Nov 2024 |
| Richard H. Davis |
3/4/5
Director
|
—
mixed-class rows
|
$880,598
4,397,224 shares
mixed-class rows
|
— | 30 Dec 2024 |
| Israel D. Abitbol |
3/4/5
Chief Financial Officer
|
—
mixed-class rows
|
$676,563
552,716 shares
mixed-class rows
|
— | 18 Apr 2023 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$613,297
322,788 shares
|
— | 30 Jun 2026 |
| CAPTRUST FINANCIAL ADVISORS |
13F
Company
|
—
denominator unverified
|
$392,802
206,738 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$63,349.
Buys
$108,395
Insiders: 2
Sells
$45,046
Insiders: 1
Net
+$63,349
Shares: +451,169
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 470,000
Shares: 18,831
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 18,831 | $0 | $45,046 | -$45,046 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 470,000 | 0 | $108,395 | $0 | +$108,395 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 21 reporting-owner rows connected to 374Water Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
21
Largest Forms 3/4/5 holder
Marc Deshusses
Net 12M change
+$63.35K
Full value: +$63,349 · USD · 12-month changeLatest report
01 Jul 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Marc Deshusses | Director, 10%+ Owner | $28,315,564 | Filing P/S | 18 Nov 2024 | ||
| Terry Merrell | Director | $7,613,230 | Mixed | 15 Nov 2024 | ||
| Yaacov Nagar | 10%+ Owner | $5,030,386 | Mixed | 30 Apr 2026 | ||
| Richard H. Davis | Director | $880,598 | Mixed | 30 Dec 2024 | ||
| Israel D. Abitbol | Chief Financial Officer | $676,563 | Mixed | 18 Apr 2023 | ||
| Stephen H. McKnight | Director | $612,800 | Mixed | 09 Feb 2026 | ||
| James Michael Vanderhider | Director | $355,000 | Mixed | 28 Aug 2025 | ||
| Stephen J. Jones | Interim CEO, Director | $243,977 | +$103,995 | +74% | Filing P/S | 16 Dec 2025 |
| Bogar Daniel T. | President / CEO | $217,355 | Mixed | 23 Feb 2026 | ||
| Yizhaq Polad | Director | $168,000 | Mixed | 13 Jun 2022 | ||
| Chris M. Gannon | President & CEO, Director | $150,000 | Filing P/S | 18 Nov 2024 | ||
| Russell Kline | Chief Financial Officer | $147,101 | +$4,400 | +3.1% | Filing P/S | 16 Dec 2025 |
| Adrienne Anderson | Chief Financial Officer | $91,047 | Mixed | 15 Nov 2024 | ||
| Buddie J. Penn | Director | $75,000 | Filing P/S | 28 Aug 2025 | ||
| Brad Ian Meyers | Chief Operating Officer | $70,293 | -$45,046 | -39% | Filing P/S | 11 Jun 2026 |
| Peter Mandel | General Counsel | $65,841 | Filing P/S | 28 Aug 2025 | ||
| James Pawloski | Director | $50,818 | Filing P/S | 28 Aug 2025 | ||
| Deanna Rene Estes | Director | $30,906 | Filing P/S | 28 Aug 2025 | ||
| Chuck Maurice Weiser | Chief Financial Officer, Director | $5,298 | Mixed | 01 Jul 2026 | ||
| Rajesh Ramaswamy Melkote | Chief Technology Officer | Mixed | 09 Oct 2025 |
Recent insider transactions for 374Water Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Chuck Maurice Weiser | SCWO | Restricted Stock Units | Award | 125,000 | 125,000 | 01 Jul 2026 | Direct | |||
| Chuck Maurice Weiser | SCWO | Stock Option (right to buy) | Award | 150,000 | 150,000 | 01 Jul 2026 | Direct | |||
| Brad Ian Meyers | SCWO | Common Stock | Sale | -24.6% | -$22,906 | $2.33 | -9,831 | 30,169 | 12 Jun 2026 | Direct |
| Brad Ian Meyers | SCWO | Common Stock | Sale | -18.4% | -$22,140 | $2.46 | -9,000 | 40,000 | 11 Jun 2026 | Direct |
| Yaacov Nagar | SCWO | Common Stock | Gift | -44.8% | -1,440,000 | 1,771,263 | 30 Apr 2026 | Direct | ||
| Russell Kline | SCWO | Common Stock | Purchase | 3.08% | $4,400 | $0.2200 | 20,000 | 668,642 | 16 Dec 2025 | Direct |
| Stephen J. Jones | SCWO | Common Stock | Purchase | 74.3% | $103,995 | $0.2311 | 450,000 | 1,055,723 | 16 Dec 2025 | Direct |
* marks a reported price that did not pass the local price check.