374Water, Inc. SCWO NASDAQ

NASDAQ Capital Marke • Industrials • Industrial - Pollution & Treatment Controls • US • USD

374Water, Inc. (SCWO) has 20 known insider and institutional holders on record. The largest holder is Nagar Yaacov with 32,585,843 shares. Other notable holders include KONRAD GEORGE and BARKER FRED.

Over the last 12 months, insiders have made 59 transactions in SCWO stock — 30 buys (valued at $3.06M) and 21 sells (valued at $1.93M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

SCWO Insider Ownership

Top Holder

Nagar Yaacov

32,585,843 shares

Buys (12 mo)

$3.06M value

Sells (12 mo)

$1.93M value

12-Month Transaction Activity

Buy 51%

Sell 36%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Nagar Yaacov	10 Percent Owner	32,585,843	2025-10-24	100%
2	Konrad George	10 Percent Owner, Officer: President & Treasurer	7,054,074	2013-04-15	22%
3	Barker Fred	Vice President and Secretary	1,695,990	2012-09-04	5%
4	Johnson Bryce Allan	Chief Operating Officer	1,675,000	2012-04-16	5%
5	Davis Richard H	Director	1,143,793	2025-01-02	4%
6	Gannon Chris M	Chief Executive Officer	1,120,000	2025-09-03	3%
7	Jones Stephen J	Interim CEO	1,055,723	2025-12-17	3%
8	Meyers Brad Ian	Chief Operating Officer	731,000	2025-10-14	2%
9	Russell Kline	Chief Financial Officer	668,642	2025-12-18	2%
10	Mandel Peter	General Counsel	638,575	2025-09-02	2%
11	Pawloski James	Director	619,431	2025-09-02	2%
12	Melkote Rajesh Ramaswamy	Chief Technology Officer	500,000	2025-10-23	2%
13	Estes Deanna Rene	Director	236,500	2025-09-02	1%
14	Penn Buddie J	Director	190,000	2025-09-02	1%
15	Vanderhider James Michael	Director	170,000	2025-09-02	1%
16	Abitbol Israel David	Chief Financial Officer	150,000	2023-04-20	0%
17	Deshusses Marc	10 Percent Owner	48,000	2024-11-19	0%
18	Merrell Terry	Director	40,000	2024-11-19	0%
19	Anderson Adrienne	Chief Financial Officer	11,762	2024-11-19	0%
20	Bogar Daniel T	President / CEO	2,000	2026-03-17	0%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-02-23	Bogar Daniel T	President / CEO	Unknown	-	-	-
2021-06-01	Bogar Daniel T	President / CEO	Unknown	55,000	$10.50	$577.5K
2026-02-09	Mcknight Stephen H.	Director	Unknown	-	-	-
2024-11-18	Mcknight Stephen H.	Director	Unknown	12,000	$1.94	$23.22K
2025-12-29	Weiser Charles Maurice	Director	Unknown	-	-	-
2024-11-18	Weiser Charles Maurice	Director	Unknown	1,200	$1.94	$2.32K
2025-12-16	Russell Kline	Chief Financial Officer	Informative Buy	20,000	$0.22	$4.4K
2025-12-16	Jones Stephen J	Interim CEO	Informative Buy	450,000	$0.23	$104K
2025-10-23	Nagar Yaacov	10 Percent Owner	Informative Sell	473,211	$0.43	$205.37K
2025-10-22	Nagar Yaacov	10 Percent Owner	Informative Sell	61,000	$0.42	$25.68K
2025-10-09	Melkote Rajesh Ramaswamy	Chief Technology Officer	RSU Award	500,000	$0.60	$300K
2025-10-22	Nagar Yaacov	10 Percent Owner	Informative Sell	32,791	$0.42	$13.8K
2025-10-21	Nagar Yaacov	10 Percent Owner	Informative Sell	284,394	$0.42	$119.56K
2025-10-20	Nagar Yaacov	10 Percent Owner	Informative Sell	13,330	$0.42	$5.61K
2025-10-17	Nagar Yaacov	10 Percent Owner	Informative Sell	131,680	$0.42	$55.7K
2025-10-16	Nagar Yaacov	10 Percent Owner	Informative Sell	85,419	$0.51	$43.79K
2025-10-15	Nagar Yaacov	10 Percent Owner	Informative Sell	363,868	$0.52	$188.45K
2025-10-14	Nagar Yaacov	10 Percent Owner	Informative Sell	700,000	$0.52	$361.41K
2025-10-09	Russell Kline	Chief Financial Officer	RSU Award	500,000	$0.60	$300K
2025-10-09	Meyers Brad Ian	Chief Operating Officer	RSU Award	500,000	$0.60	$300K
2025-10-08	Nagar Yaacov	10 Percent Owner	Informative Sell	1,499,000	$0.46	$695.69K
2025-10-07	Nagar Yaacov	10 Percent Owner	Informative Sell	1,000	$0.39	$390.00
2025-10-07	Jones Stephen J	Interim CEO	RSU Award	4,500,000	$0.37	$1.67M
2025-09-08	Nagar Yaacov	10 Percent Owner	Informative Sell	54,850	$0.40	$21.9K
2025-09-05	Nagar Yaacov	10 Percent Owner	Informative Sell	122,439	$0.39	$48.09K