Yaacov Nagar
Insider
Activist
First SEC filing: May 11, 2021 · Latest: April 30, 2026
Insider at
Insider transactions
0 buys (P)
11 sells (S)
Net: $-1,709,928
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 30, 2026 | SCWO | G | 1,440,000 | $2.48 | $3,571,200 | 1,771,263 Direct | -44.84% | Disposed | 19.0% (price as of 2026-10-05) |
| Oct. 23, 2025 | SCWO | S | 473,211 | $0.43 | $203,481 | 32,112,632 Direct | -1.45% | Disposed | -31.4% (price as of 2026-10-05) |
| Oct. 22, 2025 | SCWO | S | 61,000 | $0.42 | $25,620 | 32,585,843 Direct | -0.19% | Disposed | -29.8% (price as of 2026-10-05) |
| Oct. 22, 2025 | SCWO | S | 32,791 | $0.42 | $13,772 | 32,646,843 Direct | -0.10% | Disposed | -29.8% (price as of 2026-10-05) |
| Oct. 21, 2025 | SCWO | S | 284,394 | $0.42 | $119,445 | 32,679,634 Direct | -0.86% | Disposed | -29.8% (price as of 2026-10-05) |
| Oct. 20, 2025 | SCWO | S | 13,330 | $0.42 | $5,599 | 32,964,028 Direct | -0.04% | Disposed | -29.8% (price as of 2026-10-05) |
| Oct. 17, 2025 | SCWO | S | 131,680 | $0.42 | $55,306 | 32,977,358 Direct | -0.40% | Disposed | -29.8% (price as of 2026-10-05) |
| Oct. 16, 2025 | SCWO | S | 85,419 | $0.51 | $43,564 | 33,109,038 Direct | -0.26% | Disposed | -42.2% (price as of 2026-10-05) |
| Oct. 15, 2025 | SCWO | S | 363,868 | $0.52 | $189,211 | 33,194,457 Direct | -1.08% | Disposed | -43.3% (price as of 2026-10-05) |
| Oct. 14, 2025 | SCWO | S | 700,000 | $0.52 | $364,000 | 33,558,325 Direct | -2.04% | Disposed | -43.3% (price as of 2026-10-05) |
| Oct. 8, 2025 | SCWO | S | 1,499,000 | $0.46 | $689,540 | 34,258,325 Direct | -4.19% | Disposed | -35.9% (price as of 2026-10-05) |
| Oct. 7, 2025 | SCWO | S | 1,000 | $0.39 | $390 | 35,757,325 Direct | 0.00% | Disposed | -24.4% (price as of 2026-10-05) |
| Sept. 8, 2025 | SCWO | S | 54,850 | $0.40 | $21,940 | 35,758,325 Direct | -0.15% | Disposed | -26.2% (price as of 2026-10-05) |
| Sept. 5, 2025 | SCWO | S | 122,439 | $0.39 | $47,751 | 35,813,175 Direct | -0.34% | Disposed | -24.4% (price as of 2026-10-05) |
| Aug. 29, 2025 | SCWO | S | 22,711 | $0.39 | $8,857 | 35,935,614 Direct | -0.06% | Disposed | -24.4% (price as of 2026-10-05) |
| June 27, 2025 | SCWO | S | 23,396 | $0.42 | $9,826 | 35,958,325 Direct | -0.07% | Disposed | -29.8% (price as of 2026-10-05) |
| June 26, 2025 | SCWO | S | 103,379 | $0.42 | $43,419 | 35,981,721 Direct | -0.29% | Disposed | -29.8% (price as of 2026-10-05) |
| June 24, 2025 | SCWO | S | 59,946 | $0.42 | $25,177 | 36,085,100 Direct | -0.17% | Disposed | -29.8% (price as of 2026-10-05) |
| June 23, 2025 | SCWO | S | 36,191 | $0.42 | $15,200 | 36,145,046 Direct | -0.10% | Disposed | -29.8% (price as of 2026-10-05) |
| June 18, 2025 | SCWO | S | 51,598 | $0.40 | $20,639 | 36,181,237 Direct | -0.14% | Disposed | -26.2% (price as of 2026-10-05) |
| June 18, 2025 | SCWO | S | 57,650 | $0.40 | $23,060 | 36,181,237 Direct | -0.16% | Disposed | -26.2% (price as of 2026-10-05) |
| June 16, 2025 | SCWO | S | 6,052 | $0.40 | $2,421 | 36,232,835 Direct | -0.02% | Disposed | -26.2% (price as of 2026-10-05) |
| June 12, 2025 | SCWO | S | 42,350 | $0.40 | $16,940 | 36,238,887 Direct | -0.12% | Disposed | -26.2% (price as of 2026-10-05) |
| March 27, 2025 | SCWO | S | 61,225 | $0.41 | $25,102 | 36,281,237 Direct | -0.17% | Disposed | -28.0% (price as of 2026-10-05) |
| March 26, 2025 | SCWO | S | 45,998 | $0.42 | $19,319 | 36,342,462 Direct | -0.13% | Disposed | -29.8% (price as of 2026-10-05) |
| Feb. 7, 2025 | SCWO | S | 12,436 | $0.42 | $5,223 | 36,388,460 Direct | -0.03% | Disposed | -29.8% (price as of 2026-10-05) |
| Feb. 5, 2025 | SCWO | S | 144,860 | $0.43 | $62,290 | 36,400,896 Direct | -0.40% | Disposed | -31.4% (price as of 2026-10-05) |
| Feb. 4, 2025 | SCWO | S | 15,919 | $0.45 | $7,164 | 36,545,756 Direct | -0.04% | Disposed | -34.4% (price as of 2026-10-05) |
| Feb. 3, 2025 | SCWO | S | 212,120 | $0.49 | $103,939 | 36,561,675 Direct | -0.58% | Disposed | -39.8% (price as of 2026-10-05) |
| Jan. 24, 2025 | SCWO | S | 900 | $0.59 | $531 | 36,773,795 Direct | 0.00% | Disposed | -50.0% (price as of 2026-10-05) |
| Jan. 23, 2025 | SCWO | S | 31,025 | $0.60 | $18,615 | 36,774,695 Direct | -0.08% | Disposed | -50.8% (price as of 2026-10-05) |
| Jan. 22, 2025 | SCWO | S | 19,772 | $0.59 | $11,665 | 36,805,720 Direct | -0.05% | Disposed | -50.0% (price as of 2026-10-05) |
| Jan. 21, 2025 | SCWO | S | 36,390 | $0.60 | $21,834 | 36,825,492 Direct | -0.10% | Disposed | -50.8% (price as of 2026-10-05) |
| Jan. 17, 2025 | SCWO | S | 114,998 | $0.60 | $68,999 | 36,861,882 Direct | -0.31% | Disposed | -50.8% (price as of 2026-10-05) |
| Jan. 16, 2025 | SCWO | S | 300 | $0.63 | $189 | 36,976,880 Direct | 0.00% | Disposed | -53.2% (price as of 2026-10-05) |
| Jan. 15, 2025 | SCWO | S | 12,304 | $0.63 | $7,752 | 36,977,180 Direct | -0.03% | Disposed | -53.2% (price as of 2026-10-05) |
| Jan. 14, 2025 | SCWO | S | 61,268 | $0.63 | $38,599 | 36,989,484 Direct | -0.17% | Disposed | -53.2% (price as of 2026-10-05) |
| Jan. 10, 2025 | SCWO | S | 69,570 | $0.68 | $47,308 | 37,050,752 Direct | -0.19% | Disposed | -56.6% (price as of 2026-10-05) |
| Nov. 14, 2024 | SCWO | S | 8,563 | $1.41 | $12,074 | 37,120,322 Direct | -0.02% | Disposed | -79.1% (price as of 2026-10-05) |
| Nov. 13, 2024 | SCWO | S | 30,121 | $1.42 | $42,772 | 37,128,885 Direct | -0.08% | Disposed | -79.2% (price as of 2026-10-05) |
| Nov. 12, 2024 | SCWO | S | 4,252 | $1.51 | $6,421 | 37,159,006 Direct | -0.01% | Disposed | -80.5% (price as of 2026-10-05) |
| Nov. 11, 2024 | SCWO | S | 30,662 | $1.54 | $47,219 | 37,163,258 Direct | -0.08% | Disposed | -80.8% (price as of 2026-10-05) |
| Nov. 8, 2024 | SCWO | S | 13,771 | $1.62 | $22,309 | 37,193,920 Direct | -0.04% | Disposed | -81.8% (price as of 2026-10-05) |
| Nov. 7, 2024 | SCWO | S | 38,280 | $1.62 | $62,014 | 37,207,691 Direct | -0.10% | Disposed | -81.8% (price as of 2026-10-05) |
| Nov. 6, 2024 | SCWO | S | 133,273 | $1.54 | $205,240 | 37,245,971 Direct | -0.36% | Disposed | -80.8% (price as of 2026-10-05) |
| Nov. 5, 2024 | SCWO | S | 120,176 | $1.43 | $171,852 | 37,379,244 Direct | -0.32% | Disposed | -79.4% (price as of 2026-10-05) |
| Nov. 4, 2024 | SCWO | S | 37,832 | $1.41 | $53,343 | 37,499,420 Direct | -0.10% | Disposed | -79.1% (price as of 2026-10-05) |
| Nov. 1, 2024 | SCWO | S | 100,566 | $1.47 | $147,832 | 37,537,252 Direct | -0.27% | Disposed | -79.9% (price as of 2026-10-05) |
| Oct. 31, 2024 | SCWO | S | 462 | $1.63 | $753 | 37,637,818 Direct | 0.00% | Disposed | -81.9% (price as of 2026-10-05) |
| Oct. 30, 2024 | SCWO | S | 27,915 | $1.68 | $46,897 | 37,638,280 Direct | -0.07% | Disposed | -82.4% (price as of 2026-10-05) |
| Oct. 29, 2024 | SCWO | S | 44,557 | $1.77 | $78,866 | 37,666,195 Direct | -0.12% | Disposed | -83.3% (price as of 2026-10-05) |
| April 18, 2023 | SCWO | A | 10,000 | · | · | 37,710,752 Direct | +0.03% | Acquired | (price as of 2026-10-05) |
| April 18, 2023 | SCWO | A | 150,000 | · | · | 150,000 Direct | · | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| April 18, 2023 | SCWO | Option to Purchase Common Stock | Common Stock | $3.56 | · | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 11, 2021 | SCWO | Common Stock | 37,700,752 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $267,708 | $33,437 | $35,600 | $223,500 | · | · | · | $560,245 |
| 2022 | $250,000 | · | · | · | · | · | · | $250,000 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.