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United States Machinery, Equipment & Components

374Water Inc (SCWO)

Track

Over the last 90 days, insider trading at 374Water Inc. has been dominated by sales, with a total sell value of $47,266. Notably, an officer proposed a sale of 18,831 shares. Earlier transactions in late 2025 showed significant buying activity from the CFO and Interim CEO, totaling over $100,000.
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Ticker: SCWO Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Meyers Brad Ian
OFFICER
1 sale — total 100,000 USD
Proposed sale 10 Jun 2026
Value US$2,037,040.24 | Price 166.17 | Shares 2,349
Buy 16 Dec 2025
Value US$2,876,819.34 | Price 45.13 | Shares 19,063
Buy 16 Dec 2025
Value US$103,995.00 | Price 0.23 | Shares 450,000
Sale 23 Oct 2025
Value US$205,373.57 | Price 0.43 | Shares 473,211
Sale 22 Oct 2025
Value US$25,681.00 | Price 0.42 | Shares 61,000
Sale 22 Oct 2025
Value US$13,801.73 | Price 0.42 | Shares 32,791
Sale 21 Oct 2025
Value US$119,559.24 | Price 0.42 | Shares 284,394
Sale 20 Oct 2025
Value US$5,609.26 | Price 0.42 | Shares 13,330
Sale 17 Oct 2025
Value US$55,700.64 | Price 0.42 | Shares 131,680
Sale 16 Oct 2025
Value US$43,785.78 | Price 0.51 | Shares 85,419
Sale 15 Oct 2025
Value US$188,447.24 | Price 0.52 | Shares 363,868
Sale 14 Oct 2025
Value US$361,410.00 | Price 0.52 | Shares 700,000
Proposed sale 14 Oct 2025
Value US$2,359,136.05 | Price 0.67 | Shares 3,547,573
Proposed sale 14 Oct 2025
Value US$1,380,000.00 | Price 0.69 | Shares 2,000,000
Sale 8 Oct 2025
Value US$695,685.90 | Price 0.46 | Shares 1,499,000
Sale 7 Oct 2025
Value US$390.00 | Price 0.39 | Shares 1,000
Proposed sale 16 Sep 2025
Value US$525,000.00 | Price 0.35 | Shares 1,500,000
Sale 8 Sep 2025
Value US$21,901.60 | Price 0.40 | Shares 54,850
Sale 5 Sep 2025
Value US$48,094.04 | Price 0.39 | Shares 122,439
Sale 29 Aug 2025
Value US$8,857.29 | Price 0.39 | Shares 22,711
Buy 26 Aug 2025
Value US$8,706.00 | Price 0.29 | Shares 30,000
Buy 25 Aug 2025
Value US$50,818.57 | Price 0.26 | Shares 193,300
Buy 22 Aug 2025
Value US$3,744.00 | Price 0.25 | Shares 15,000
Buy 21 Aug 2025
Value US$3,693.00 | Price 0.25 | Shares 15,000
Buy 20 Aug 2025
Value US$4,780.00 | Price 0.24 | Shares 20,000
Buy 19 Aug 2025
Value US$1,244.00 | Price 0.25 | Shares 4,980
Buy 18 Aug 2025
Value US$4.96 | Price 0.25 | Shares 20
Sale 27 Jun 2025
Value US$9,828.66 | Price 0.42 | Shares 23,396
Sale 26 Jun 2025
Value US$43,491.55 | Price 0.42 | Shares 103,379
Sale 24 Jun 2025
Value US$25,321.19 | Price 0.42 | Shares 59,946
Sale 23 Jun 2025
Value US$15,308.79 | Price 0.42 | Shares 36,191
Sale 18 Jun 2025
Value US$23,175.30 | Price 0.40 | Shares 57,650
Sale 16 Jun 2025
Value US$2,420.80 | Price 0.40 | Shares 6,052
Sale 12 Jun 2025
Value US$16,940.00 | Price 0.40 | Shares 42,350
Proposed sale 10 Jun 2025
Value US$582,200.00 | Price 0.41 | Shares 1,420,000
Proposed sale 10 Jun 2025
Value US$582,200.00 | Price 0.41 | Shares 1,420,000
Buy 3 Jun 2025
Value US$19,000.00 | Price 0.48 | Shares 40,000
Buy 30 May 2025
Value US$21,120.00 | Price 0.42 | Shares 50,000
Buy 22 May 2025
Value US$12,600.00 | Price 0.32 | Shares 40,000
Buy 20 May 2025
Value US$14,877.90 | Price 0.30 | Shares 49,593
Sale 27 Mar 2025
Value US$25,365.52 | Price 0.41 | Shares 61,225
Sale 26 Mar 2025
Value US$19,360.56 | Price 0.42 | Shares 45,998
Sale 7 Feb 2025
Value US$5,223.12 | Price 0.42 | Shares 12,436
Sale 5 Feb 2025
Value US$62,985.13 | Price 0.43 | Shares 144,860
Sale 4 Feb 2025
Value US$7,165.14 | Price 0.45 | Shares 15,919
Sale 3 Feb 2025
Value US$104,829.70 | Price 0.49 | Shares 212,120
Sale 24 Jan 2025
Value US$531.00 | Price 0.59 | Shares 900
Sale 23 Jan 2025
Value US$18,521.92 | Price 0.60 | Shares 31,025
Sale 22 Jan 2025
Value US$11,685.25 | Price 0.59 | Shares 19,772
Sale 21 Jan 2025
Value US$21,652.05 | Price 0.60 | Shares 36,390
Sale 17 Jan 2025
Value US$69,458.79 | Price 0.60 | Shares 114,998
Sale 16 Jan 2025
Value US$189.30 | Price 0.63 | Shares 300
Sale 15 Jan 2025
Value US$7,765.05 | Price 0.63 | Shares 12,304
Sale 14 Jan 2025
Value US$38,721.38 | Price 0.63 | Shares 61,268
Proposed sale 14 Jan 2025
Value US$490,181.05 | Price 0.64 | Shares 769,515
Sale 10 Jan 2025
Value US$47,585.88 | Price 0.68 | Shares 69,570
Buy 18 Nov 2024
Value US$50,000.00 | Price 1.25 | Shares 40,000
Buy 18 Nov 2024
Value US$150,000.00 | Price 1.25 | Shares 120,000
Buy 18 Nov 2024
Value US$40,000.00 | Price 1.25 | Shares 32,000
Buy 18 Nov 2024
Value US$25,000.00 | Price 1.25 | Shares 20,000
Buy 18 Nov 2024
Value US$12,500.00 | Price 1.25 | Shares 10,000
Buy 18 Nov 2024
Value US$30,000.00 | Price 1.25 | Shares 24,000
Buy 18 Nov 2024
Value US$312,500.00 | Price 1.25 | Shares 250,000
Buy 18 Nov 2024
Value US$13,500.00 | Price 1.25 | Shares 10,800
Sale 14 Nov 2024
Value US$12,082.39 | Price 1.41 | Shares 8,563
Sale 13 Nov 2024
Value US$42,651.34 | Price 1.42 | Shares 30,121
Sale 12 Nov 2024
Value US$6,429.02 | Price 1.51 | Shares 4,252
Sale 11 Nov 2024
Value US$47,219.48 | Price 1.54 | Shares 30,662
Sale 8 Nov 2024
Value US$22,309.02 | Price 1.62 | Shares 13,771
Sale 7 Nov 2024
Value US$62,051.88 | Price 1.62 | Shares 38,280
Sale 6 Nov 2024
Value US$205,773.51 | Price 1.54 | Shares 133,273
Sale 5 Nov 2024
Value US$171,851.68 | Price 1.43 | Shares 120,176
Sale 4 Nov 2024
Value US$53,343.12 | Price 1.41 | Shares 37,832
Sale 1 Nov 2024
Value US$147,832.02 | Price 1.47 | Shares 100,566
Sale 31 Oct 2024
Value US$753.06 | Price 1.63 | Shares 462
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-11 2026-06-10 PrS Proposed sale
Meyers Brad Ian

OFFICER

Officer
2,349
166.17
US$2,037,040 		2,349 166.17 US$2,037,040
2025-12-18 2025-12-16 B Purchase
3.4
Russell Kline

Chief Financial Officer

Officer
19,063 +1.1%
45.13
US$2,876,819 		19,063 +1.1% 45.13 US$2,876,819
2025-12-17 2025-12-16 B Purchase
2.4
Jones Stephen J

Interim CEO

Executive Director
58,926 -46.1%
439.22
US$1,435,052 		58,926 -46.1% 439.22 US$1,435,052
2025-10-24 2025-10-23 S Sale
4.4
Nagar Yaacov
Large shareholder
473,211 -1.5%
0.43
US$205,374 		473,211 -1.5% 0.43 US$205,374
2025-10-24 2025-10-22 S Sale
4.4
Nagar Yaacov
Large shareholder
61,000 -0.2%
0.42
US$25,681 		61,000 -0.2% 0.42 US$25,681
2025-10-22 2025-10-22 S Sale
4.4
Nagar Yaacov
Large shareholder
32,791 -0.1%
0.42
US$13,802 		32,791 -0.1% 0.42 US$13,802
2025-10-22 2025-10-21 S Sale
4.4
Nagar Yaacov
Large shareholder
284,394 -0.9%
0.42
US$119,559 		284,394 -0.9% 0.42 US$119,559
2025-10-22 2025-10-20 S Sale
4.4
Nagar Yaacov
Large shareholder
13,330 -0.0%
0.42
US$5,609 		13,330 -0.0% 0.42 US$5,609
2025-10-20 2025-10-17 S Sale
4.4
Nagar Yaacov
Large shareholder
131,680 -0.4%
0.42
US$55,701 		131,680 -0.4% 0.42 US$55,701
2025-10-20 2025-10-16 S Sale
4.4
Nagar Yaacov
Large shareholder
85,419 -0.3%
0.51
US$43,786 		85,419 -0.3% 0.51 US$43,786
2025-10-16 2025-10-15 S Sale
4.4
Nagar Yaacov
Large shareholder
363,868 -1.1%
0.52
US$188,447 		363,868 -1.1% 0.52 US$188,447
2025-10-16 2025-10-14 S Sale
4.4
Nagar Yaacov
Large shareholder
700,000 -2.0%
0.52
US$361,410 		700,000 -2.0% 0.52 US$361,410
2025-10-14 2025-10-14 PrS Proposed sale
4.4
Nagar Yaacov

Officer

Officer
3,547,573
0.67
US$2,359,136 		3,547,573 0.67 US$2,359,136
2025-10-14 2025-10-14 PrS Proposed sale
4.4
Nagar Yaacov

10% Stockholder

Large shareholder
2,000,000
0.69
US$1,380,000 		2,000,000 0.69 US$1,380,000
2025-10-10 2025-10-08 S Sale
4.4
Nagar Yaacov
Large shareholder
1,499,000 -4.2%
0.46
US$695,686 		1,499,000 -4.2% 0.46 US$695,686
2025-10-09 2025-10-07 S Sale
4.4
Nagar Yaacov
Large shareholder
1,000 -0.0%
0.39
US$390 		1,000 -0.0% 0.39 US$390
2025-09-16 2025-09-16 PrS Proposed sale
4.4
Nagar Yaacov

Officer

Officer
1,500,000
0.35
US$525,000 		1,500,000 0.35 US$525,000
2025-09-08 2025-09-08 S Sale
4.4
Nagar Yaacov
Large shareholder
54,850 -0.2%
0.40
US$21,902 		54,850 -0.2% 0.40 US$21,902
2025-09-08 2025-09-05 S Sale
4.4
Nagar Yaacov
Large shareholder
122,439 -0.3%
0.39
US$48,094 		122,439 -0.3% 0.39 US$48,094
2025-09-08 2025-08-29 S Sale
4.4
Nagar Yaacov
Large shareholder
22,711 -0.1%
0.39
US$8,857 		22,711 -0.1% 0.39 US$8,857
2025-08-27 2025-08-26 B Purchase
1.5
Estes Deanna Rene
Non-Executive Director
30,000 +39.2%
0.29
US$8,706 		30,000 +39.2% 0.29 US$8,706
2025-08-26 2025-08-25 B Purchase
1.7
Pawloski James
Non-Executive Director
193,300 +inf%
0.26
US$50,819 		193,300 +inf% 0.26 US$50,819
2025-08-25 2025-08-22 B Purchase
3.4
Russell Kline

Chief Financial Officer

Officer
15,000 +3.9%
0.25
US$3,744 		15,000 +3.9% 0.25 US$3,744
2025-08-25 2025-08-21 B Purchase
3.4
Russell Kline

Chief Financial Officer

Officer
15,000 +4.1%
0.25
US$3,693 		15,000 +4.1% 0.25 US$3,693
2025-08-21 2025-08-20 B Purchase
3.4
Russell Kline

Chief Financial Officer

Officer
20,000 +5.7%
0.24
US$4,780 		20,000 +5.7% 0.24 US$4,780
2025-08-20 2025-08-19 B Purchase
2.6
Mandel Peter

General Counsel

Officer
4,980 +1.9%
0.25
US$1,244 		4,980 +1.9% 0.25 US$1,244
2025-08-20 2025-08-18 B Purchase
2.6
Mandel Peter

General Counsel

Officer
20 +0.0%
0.25
US$5 		20 +0.0% 0.25 US$5
2025-06-30 2025-06-27 S Sale
4.4
Nagar Yaacov
Large shareholder
23,396 -0.1%
0.42
US$9,829 		23,396 -0.1% 0.42 US$9,829
2025-06-30 2025-06-26 S Sale
4.4
Nagar Yaacov
Large shareholder
103,379 -0.3%
0.42
US$43,492 		103,379 -0.3% 0.42 US$43,492
2025-06-25 2025-06-24 S Sale
4.4
Nagar Yaacov
Large shareholder
59,946 -0.2%
0.42
US$25,321 		59,946 -0.2% 0.42 US$25,321
2025-06-25 2025-06-23 S Sale
4.4
Nagar Yaacov
Large shareholder
36,191 -0.1%
0.42
US$15,309 		36,191 -0.1% 0.42 US$15,309
2025-06-18 2025-06-18 S Sale
4.4
Nagar Yaacov
Large shareholder
57,650 -0.2%
0.40
US$23,175 		57,650 -0.2% 0.40 US$23,175
2025-06-18 2025-06-16 S Sale
4.4
Nagar Yaacov
Large shareholder
6,052 -0.0%
0.40
US$2,421 		6,052 -0.0% 0.40 US$2,421
2025-06-16 2025-06-12 S Sale
4.4
Nagar Yaacov
Large shareholder
42,350 -0.1%
0.40
US$16,940 		42,350 -0.1% 0.40 US$16,940
2025-06-12 2025-06-10 PrS Proposed sale
4.4
Nagar Yaacov

10% Stockholder

Large shareholder
1,420,000
0.41
US$582,200 		1,420,000 0.41 US$582,200
2025-06-10 2025-06-10 PrS Proposed sale
4.4
Nagar Yaacov

10% Stockholder

Large shareholder
1,420,000
0.41
US$582,200 		1,420,000 0.41 US$582,200
2025-06-05 2025-06-03 B Purchase
2.4
Jones Stephen J
Non-Executive Director
40,000 +28.7%
0.48
US$19,000 		40,000 +28.7% 0.48 US$19,000
2025-06-03 2025-05-30 B Purchase
2.4
Jones Stephen J
Non-Executive Director
50,000 +55.8%
0.42
US$21,120 		50,000 +55.8% 0.42 US$21,120
2025-05-27 2025-05-22 B Purchase
2.4
Jones Stephen J
Non-Executive Director
40,000 +80.7%
0.32
US$12,600 		40,000 +80.7% 0.32 US$12,600
2025-05-22 2025-05-20 B Purchase
2.4
Jones Stephen J
Non-Executive Director
49,593 +inf%
0.30
US$14,878 		49,593 +inf% 0.30 US$14,878
2025-03-28 2025-03-27 S Sale
4.4
Nagar Yaacov
Large shareholder
61,225 -0.2%
0.41
US$25,366 		61,225 -0.2% 0.41 US$25,366
2025-03-28 2025-03-26 S Sale
4.4
Nagar Yaacov
Large shareholder
45,998 -0.1%
0.42
US$19,361 		45,998 -0.1% 0.42 US$19,361
2025-02-11 2025-02-07 S Sale
4.4
Nagar Yaacov
Large shareholder
12,436 -0.0%
0.42
US$5,223 		12,436 -0.0% 0.42 US$5,223
2025-02-07 2025-02-05 S Sale
4.4
Nagar Yaacov
Large shareholder
144,860 -0.4%
0.43
US$62,985 		144,860 -0.4% 0.43 US$62,985
2025-02-05 2025-02-04 S Sale
4.4
Nagar Yaacov
Large shareholder
15,919 -0.0%
0.45
US$7,165 		15,919 -0.0% 0.45 US$7,165
2025-02-05 2025-02-03 S Sale
4.4
Nagar Yaacov
Large shareholder
212,120 -0.6%
0.49
US$104,830 		212,120 -0.6% 0.49 US$104,830
2025-01-27 2025-01-24 S Sale
4.4
Nagar Yaacov
Large shareholder
900 -0.0%
0.59
US$531 		900 -0.0% 0.59 US$531
2025-01-27 2025-01-23 S Sale
4.4
Nagar Yaacov
Large shareholder
31,025 -0.1%
0.60
US$18,522 		31,025 -0.1% 0.60 US$18,522
2025-01-23 2025-01-22 S Sale
4.4
Nagar Yaacov
Large shareholder
19,772 -0.1%
0.59
US$11,685 		19,772 -0.1% 0.59 US$11,685
2025-01-23 2025-01-21 S Sale
4.4
Nagar Yaacov
Large shareholder
36,390 -0.1%
0.60
US$21,652 		36,390 -0.1% 0.60 US$21,652
2025-01-21 2025-01-17 S Sale
4.4
Nagar Yaacov
Large shareholder
114,998 -0.3%
0.60
US$69,459 		114,998 -0.3% 0.60 US$69,459
2025-01-21 2025-01-16 S Sale
4.4
Nagar Yaacov
Large shareholder
300 -0.0%
0.63
US$189 		300 -0.0% 0.63 US$189
2025-01-16 2025-01-15 S Sale
4.4
Nagar Yaacov
Large shareholder
12,304 -0.0%
0.63
US$7,765 		12,304 -0.0% 0.63 US$7,765
2025-01-16 2025-01-14 S Sale
4.4
Nagar Yaacov
Large shareholder
61,268 -0.2%
0.63
US$38,721 		61,268 -0.2% 0.63 US$38,721
2025-01-14 2025-01-14 PrS Proposed sale
4.4
Nagar Yaacov

10% Stockholder

Large shareholder
769,515
0.64
US$490,181 		769,515 0.64 US$490,181
2025-01-14 2025-01-10 S Sale
4.4
Nagar Yaacov
Large shareholder
69,570 -0.2%
0.68
US$47,586 		69,570 -0.2% 0.68 US$47,586
2024-11-25 2024-11-18 B Purchase
DAVIS RICHARD H
Non-Executive Director
40,000 +33.2%
1.25
US$50,000 		40,000 +33.2% 1.25 US$50,000
2024-11-20 2024-11-18 B Purchase
Gannon Chris M

President & CEO

Executive Director
120,000 +inf%
1.25
US$150,000 		120,000 +inf% 1.25 US$150,000
2024-11-19 2024-11-18 B Purchase
Deshusses Marc
Non-Executive Director Large shareholder
32,000 +0.1%
1.25
US$40,000 		32,000 +0.1% 1.25 US$40,000
2024-11-19 2024-11-18 B Purchase
Penn Buddie J
Non-Executive Director
20,000 +50.0%
1.25
US$25,000 		20,000 +50.0% 1.25 US$25,000
2024-11-19 2024-11-18 B Purchase
Anderson Adrienne

Chief Financial Officer

Officer
10,000 +16.2%
1.25
US$12,500 		10,000 +16.2% 1.25 US$12,500
2024-11-19 2024-11-18 B Purchase
1.5
Estes Deanna Rene
Non-Executive Director
24,000 +45.7%
1.25
US$30,000 		24,000 +45.7% 1.25 US$30,000
2024-11-19 2024-11-18 B Purchase
Vanderhider James Michael
Non-Executive Director
250,000 +21.4%
1.25
US$312,500 		250,000 +21.4% 1.25 US$312,500
2024-11-19 2024-11-18 B Purchase
2.6
Mandel Peter

General Counsel

Officer
10,800 +4.4%
1.25
US$13,500 		10,800 +4.4% 1.25 US$13,500
2024-11-18 2024-11-14 S Sale
4.4
Nagar Yaacov
Large shareholder
8,563 -0.0%
1.41
US$12,082 		8,563 -0.0% 1.41 US$12,082
2024-11-14 2024-11-13 S Sale
4.4
Nagar Yaacov
Large shareholder
30,121 -0.1%
1.42
US$42,651 		30,121 -0.1% 1.42 US$42,651
2024-11-14 2024-11-12 S Sale
4.4
Nagar Yaacov
Large shareholder
4,252 -0.0%
1.51
US$6,429 		4,252 -0.0% 1.51 US$6,429
2024-11-12 2024-11-11 S Sale
4.4
Nagar Yaacov
Large shareholder
30,662 -0.1%
1.54
US$47,219 		30,662 -0.1% 1.54 US$47,219
2024-11-12 2024-11-08 S Sale
4.4
Nagar Yaacov
Large shareholder
13,771 -0.0%
1.62
US$22,309 		13,771 -0.0% 1.62 US$22,309
2024-11-08 2024-11-07 S Sale
4.4
Nagar Yaacov
Large shareholder
38,280 -0.1%
1.62
US$62,052 		38,280 -0.1% 1.62 US$62,052
2024-11-08 2024-11-06 S Sale
4.4
Nagar Yaacov
Large shareholder
133,273 -0.4%
1.54
US$205,774 		133,273 -0.4% 1.54 US$205,774
2024-11-06 2024-11-05 S Sale
4.4
Nagar Yaacov
Large shareholder
120,176 -0.3%
1.43
US$171,852 		120,176 -0.3% 1.43 US$171,852
2024-11-06 2024-11-04 S Sale
4.4
Nagar Yaacov
Large shareholder
37,832 -0.1%
1.41
US$53,343 		37,832 -0.1% 1.41 US$53,343
2024-11-04 2024-11-01 S Sale
4.4
Nagar Yaacov
Large shareholder
100,566 -0.3%
1.47
US$147,832 		100,566 -0.3% 1.47 US$147,832
2024-11-04 2024-10-31 S Sale
4.4
Nagar Yaacov
Large shareholder
462 -0.0%
1.63
US$753 		462 -0.0% 1.63 US$753
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