NET Power Inc. - NPWR

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
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Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Mar 10, 2026 J D 3,000,000.0 17,729,880.0 View
Mar 10, 2026 C A 3,000,000.0 3,400,000.0 View
Mar 10, 2026 J D 3,000,000.0 17,729,880.0 View
Mar 10, 2026 C A 3,000,000.0 3,400,000.0 View
Mar 05, 2026 S D 100,000.0 2.0425 204,250.0 400,000.0 View
Mar 05, 2026 S D 100,000.0 2.0425 204,250.0 400,000.0 View
Mar 02, 2026 S D 79,858.0 2.0508 163,772.79 500,000.0 View
Mar 02, 2026 S D 4,744.0 2.0003 9,489.42 579,858.0 View
Mar 02, 2026 S D 1,881.0 2.0 3,762.0 584,602.0 View
Mar 02, 2026 S D 79,858.0 2.0508 163,772.79 500,000.0 View
Mar 02, 2026 S D 4,744.0 2.0003 9,489.42 579,858.0 View
Mar 02, 2026 S D 1,881.0 2.0 3,762.0 584,602.0 View
Feb 23, 2026 S D 63,517.0 2.0346 129,231.69 586,483.0 View
Feb 23, 2026 S D 125,000.0 2.1411 267,637.5 650,000.0 View
Feb 23, 2026 S D 63,517.0 2.0346 129,231.69 586,483.0 View
Feb 23, 2026 S D 125,000.0 2.1411 267,637.5 650,000.0 View
Feb 18, 2026 S D 75,000.0 2.0692 155,190.0 775,000.0 View
Feb 18, 2026 S D 100,000.0 2.1414 214,140.0 850,000.0 View
Feb 18, 2026 S D 75,000.0 2.0692 155,190.0 775,000.0 View
Feb 18, 2026 S D 100,000.0 2.1414 214,140.0 850,000.0 View
Feb 12, 2026 S D 150,000.0 2.0307 304,605.0 950,000.0 View
Feb 12, 2026 S D 60,000.0 2.0225 121,350.0 1,100,000.0 View
Feb 12, 2026 S D 40,000.0 2.0803 83,212.0 1,160,000.0 View
Feb 12, 2026 S D 150,000.0 2.0307 304,605.0 950,000.0 View
Feb 12, 2026 S D 60,000.0 2.0225 121,350.0 1,100,000.0 View
Feb 12, 2026 S D 40,000.0 2.0803 83,212.0 1,160,000.0 View
Feb 02, 2026 S D 54,780.0 2.3485 128,650.83 1,200,000.0 View
Feb 02, 2026 S D 54,780.0 2.3485 128,650.83 1,200,000.0 View
Jan 28, 2026 S D 65,220.0 2.383 155,419.26 1,254,780.0 View
Jan 28, 2026 S D 100,000.0 2.3837 238,370.0 1,320,000.0 View
Jan 28, 2026 S D 130,000.0 2.3549 306,137.0 1,420,000.0 View
Jan 28, 2026 S D 65,220.0 2.383 155,419.26 1,254,780.0 View
Jan 28, 2026 S D 100,000.0 2.3837 238,370.0 1,320,000.0 View
Jan 28, 2026 S D 130,000.0 2.3549 306,137.0 1,420,000.0 View
Jan 16, 2026 S D 230,000.0 2.6325 605,475.0 1,550,000.0 View
Jan 16, 2026 S D 135,000.0 2.5718 347,193.0 1,780,000.0 View
Jan 16, 2026 S D 135,000.0 2.7379 369,616.5 1,915,000.0 View
Jan 16, 2026 S D 230,000.0 2.6325 605,475.0 1,550,000.0 View
Jan 16, 2026 S D 135,000.0 2.5718 347,193.0 1,780,000.0 View
Jan 16, 2026 S D 135,000.0 2.7379 369,616.5 1,915,000.0 View
Dec 29, 2025 S D 170,000.0 2.2096 375,632.0 2,050,000.0 View
Dec 29, 2025 S D 170,000.0 2.2096 375,632.0 2,050,000.0 View
Dec 23, 2025 S D 130,000.0 2.1666 281,658.0 2,220,000.0 View
Dec 23, 2025 S D 100,000.0 2.2646 226,460.0 2,350,000.0 View
Dec 23, 2025 S D 100,000.0 2.3431 234,310.0 2,450,000.0 View
Dec 23, 2025 S D 130,000.0 2.1666 281,658.0 2,220,000.0 View
Dec 23, 2025 S D 100,000.0 2.2646 226,460.0 2,350,000.0 View
Dec 23, 2025 S D 100,000.0 2.3431 234,310.0 2,450,000.0 View
Dec 11, 2025 S D 40,000.0 2.8235 112,940.0 2,550,000.0 View
Dec 11, 2025 S D 40,000.0 2.8235 112,940.0 2,550,000.0 View
Dec 08, 2025 S D 140,000.0 2.8091 393,274.0 2,590,000.0 View
Dec 08, 2025 S D 105,000.0 2.9064 305,172.0 2,730,000.0 View
Dec 08, 2025 S D 65,000.0 2.9424 191,256.0 2,835,000.0 View
Dec 08, 2025 S D 140,000.0 2.8091 393,274.0 2,590,000.0 View
Dec 08, 2025 S D 105,000.0 2.9064 305,172.0 2,730,000.0 View
Dec 08, 2025 S D 65,000.0 2.9424 191,256.0 2,835,000.0 View
Dec 02, 2025 S D 200,000.0 2.9354 587,080.0 2,900,000.0 View
Dec 02, 2025 S D 200,000.0 2.9354 587,080.0 2,900,000.0 View
Nov 24, 2025 S D 17,163.0 2.5012 42,928.1 3,100,000.0 View
Nov 24, 2025 S D 132,837.0 2.5971 344,990.97 3,117,163.0 View
Nov 24, 2025 S D 17,163.0 2.5012 42,928.1 3,100,000.0 View
Nov 24, 2025 S D 132,837.0 2.5971 344,990.97 3,117,163.0 View
Nov 19, 2025 S D 250,000.0 2.568 642,000.0 3,250,000.0 View
Nov 19, 2025 S D 338,653.0 2.8096 951,479.47 3,500,000.0 View
Nov 19, 2025 S D 250,000.0 2.568 642,000.0 3,250,000.0 View
Nov 19, 2025 S D 338,653.0 2.8096 951,479.47 3,500,000.0 View
Nov 04, 2025 J D 22,729,880.0 0.0 View
Nov 04, 2025 J D 22,729,880.0 0.0 View
Nov 04, 2025 J D 1,847,130.0 0.0 View
Nov 04, 2025 S D 18,116.0 4.0527 73,418.71 1,847,130.0 View
Nov 04, 2025 C D 2,000,000.0 20,729,880.0 View
Nov 04, 2025 J D 2,000,000.0 20,729,880.0 View
Nov 04, 2025 C A 2,000,000.0 3,838,653.0 View
Nov 04, 2025 S D 8,477.0 4.0025 33,929.19 1,838,653.0 View
Nov 04, 2025 S D 18,116.0 4.0527 73,418.71 1,847,130.0 View
Nov 04, 2025 C D 2,000,000.0 20,729,880.0 View
Nov 04, 2025 J D 2,000,000.0 20,729,880.0 View
Nov 04, 2025 C A 2,000,000.0 3,838,653.0 View
Nov 04, 2025 S D 8,477.0 4.0025 33,929.19 1,838,653.0 View
Nov 04, 2025 S D 18,116.0 4.0527 73,418.71 1,847,130.0 View
Oct 30, 2025 S D 107,754.0 4.0376 435,067.55 1,865,246.0 View
Oct 30, 2025 S D 786,832.0 4.1166 3,239,072.61 1,973,000.0 View
Oct 30, 2025 S D 7,585.0 3.7695 28,591.66 2,759,832.0 View
Oct 30, 2025 S D 107,754.0 4.0376 435,067.55 1,865,246.0 View
Oct 30, 2025 S D 786,832.0 4.1166 3,239,072.61 1,973,000.0 View
Oct 30, 2025 S D 7,585.0 3.7695 28,591.66 2,759,832.0 View
Oct 27, 2025 S D 200,000.0 3.7662 753,240.0 2,767,417.0 View
Oct 27, 2025 S D 32,583.0 3.7039 120,684.17 2,967,417.0 View
Oct 27, 2025 S D 284,100.0 3.6901 1,048,357.41 3,000,000.0 View
Oct 27, 2025 S D 200,000.0 3.7662 753,240.0 2,767,417.0 View
Oct 27, 2025 S D 32,583.0 3.7039 120,684.17 2,967,417.0 View
Oct 27, 2025 S D 284,100.0 3.6901 1,048,357.41 3,000,000.0 View
Oct 22, 2025 S D 89,000.0 3.3071 294,331.9 3,284,100.0 View
Oct 22, 2025 S D 189,300.0 3.5307 668,361.51 3,373,100.0 View
Oct 22, 2025 S D 201,000.0 3.5784 719,258.4 3,562,400.0 View
Oct 22, 2025 S D 89,000.0 3.3071 294,331.9 3,284,100.0 View
Oct 22, 2025 S D 189,300.0 3.5307 668,361.51 3,373,100.0 View
Oct 22, 2025 S D 201,000.0 3.5784 719,258.4 3,562,400.0 View
Oct 16, 2025 C D 4,000,000.0 22,729,880.0 View
Oct 16, 2025 S D 13,959.0 4.7061 65,692.45 3,763,400.0 View
Oct 16, 2025 S D 122,641.0 4.8786 598,316.38 3,777,359.0 View
Oct 16, 2025 S D 100,000.0 4.8321 483,210.0 3,900,000.0 View
Oct 16, 2025 J D 4,000,000.0 22,729,880.0 View
Oct 16, 2025 C A 4,000,000.0 4,000,000.0 View
Oct 16, 2025 C D 4,000,000.0 22,729,880.0 View
Oct 16, 2025 S D 13,959.0 4.7061 65,692.45 3,763,400.0 View
Oct 16, 2025 S D 122,641.0 4.8786 598,316.38 3,777,359.0 View
Oct 16, 2025 S D 100,000.0 4.8321 483,210.0 3,900,000.0 View
Oct 16, 2025 J D 4,000,000.0 22,729,880.0 View
Oct 16, 2025 C A 4,000,000.0 4,000,000.0 View