Company · CIK 0001083301 · SIC 6199 — Finance Services · Nasdaq
TERAWULF INC. · WULF
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 PForm 4 → | Sep 16, 9:41 pm EDT | Michael C. BucellaDirector | 6,085 | $14.79 | $89,967 | 350,789 | +1.77% | |
| Sep 8, 2026 SForm 4 → | Sep 9, 9:35 pm EDT | Catherine J. MotzDirector | 56,023 | $17.81 | $997,943 | 153,218 | −26.8% | |
| Aug 31, 2026 SForm 4 → | Sep 1, 4:59 pm EDT | Walter E. CarterDirector | 130,626 | $15.14 | $1,977,808 | 229,090 | −36.3% | |
| Aug 27, 2026 SForm 4 → | Aug 28, 8:41 pm EDT | Paul B. PragerChief Executive Officer, Director | 137,500 | $17.06 | $2,345,654 | 3,807,552 | −3.49% | 10b5-1 |
| Aug 16, 2026 MForm 4 → | Aug 17, 6:10 pm EDT | William Joseph TanimotoChief Accounting Officer | 6,666 | — | — | 55,564 | — | |
| Aug 14, 2026 PForm 4 → | Aug 17, 6:11 pm EDT | Michael C. BucellaDirector | 5,883 | $16.99 | $99,950 | 344,704 | +1.74% | |
| Aug 1, 2026 DMForm 4 → | Aug 3, 9:05 pm EDT | Kerri M. LanglaisChief Strategy Officer, Director | 776,500 | — | — | 4,380,381 | — | |
| Aug 1, 2026 MForm 4 → | Aug 3, 9:03 pm EDT | Patrick FleuryChief Financial Officer | 500,000 | — | — | 500,000 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 8:17 pm EDT | Lisa A. PragerDirector | 1,013 | — | — | 311,510 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 8:16 pm EDT | Walter E. CarterDirector | 1,266 | — | — | 359,716 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 8:14 pm EDT | Michael C. BucellaDirector | 1,013 | — | — | 338,821 | — | |
| Jun 29, 2026 SForm 4 → | Jul 1, 8:33 pm EDT | Paul B. PragerChief Executive Officer, Director | 137,500 | $26.60 | $3,656,950 | 3,945,052 | −3.37% | 10b5-1 |
| Jun 24, 2026 MForm 4 → | Jun 25, 5:18 pm EDT | William Joseph TanimotoChief Accounting Officer | 10,000 | — | — | 48,898 | — | |
| Jun 23, 2026 MForm 4 → | Jun 25, 5:18 pm EDT | Lisa A. PragerDirector | 56,023 | — | — | 310,497 | — | |
| Jun 23, 2026 MForm 4 → | Jun 25, 5:18 pm EDT | Steven T. PincusDirector | 63,026 | — | — | 399,391 | — | |
| Jun 23, 2026 MForm 4 → | Jun 25, 5:17 pm EDT | Catherine J. MotzDirector | 56,023 | — | — | 209,241 | — | |
| Jun 23, 2026 MForm 4 → | Jun 25, 5:17 pm EDT | Amanda FabianoDirector | 56,023 | — | — | 96,792 | — | |
| Jun 23, 2026 MForm 4 → | Jun 25, 5:16 pm EDT | Walter E. CarterDirector | 56,023 | — | — | 358,450 | — | |
| Jun 23, 2026 MForm 4 → | Jun 25, 5:16 pm EDT | Michael C. BucellaDirector | 56,023 | — | — | 337,808 | — | |
| Mar 1, 2019 SForm 4 → | Mar 5, 4:27 pm EST | Ernest M. Harper Jr.Director | 750 | $8.01 | $6,008 | 0 | −100% | plan? |
| Dec 6, 2018 PForm 4 → | Dec 10, 3:59 pm EST | Joseph R Nerges10% Owner | 2,503 | $9.08 | $22,735 | 383,217 | +0.66% | plan? |
| May 1, 2018 PForm 4 → | May 3, 4:19 pm EDT | Joseph R Nerges10% Owner | 2,500 | $8.25 | $20,624 | 380,714 | +0.66% | plan? |
| Feb 26, 2018 SForm 4 → | Feb 28, 3:13 pm EST | Joseph R Nerges10% Owner | 3,753 | $10.65 | $39,961 | 378,243 | −0.98% | plan? |
| Aug 17, 2017 SForm 4/A → | Aug 21, 4:01 pm EDT | Joseph R Nerges10% Owner | 26,529 | $8.75 | $232,220 | 381,967 | −6.49% | plan? |
| Aug 17, 2017 SForm 4 → | Aug 21, 3:23 pm EDT | Joseph R Nerges10% Owner | 3,550 | $8.78 | $31,152 | 381,996 | −0.92% | plan? amended |
| Jun 7, 2017 SForm 4 → | Jun 9, 4:11 pm EDT | Joseph R Nerges10% Owner | 14,200 | $7.81 | $110,896 | 408,496 | −3.36% | plan? |
| Jun 1, 2017 SForm 4 → | Jun 5, 4:27 pm EDT | Joseph R Nerges10% Owner | 5,033 | $7.65 | $38,485 | 422,696 | −1.18% | plan? |
| May 17, 2017 SForm 4/A → | May 19, 4:53 pm EDT | Joseph R Nerges10% Owner | 15,271 | $8.42 | $128,558 | 427,729 | −3.45% | plan? |
| May 17, 2017 PForm 4 → | May 19, 4:28 pm EDT | Joseph R Nerges10% Owner | 15,271 | $8.42 | $128,558 | 427,729 | +3.70% | plan? amended |
| May 17, 2017 PForm 4 → | May 19, 12:26 pm EDT | Darrell B LeeDirector | 1,680 | $9.00 | $15,120 | 5,711 | +41.7% | plan? |
| May 10, 2017 PForm 4 → | May 12, 4:28 pm EDT | Darrell B LeeDirector | 320 | $8.60 | $2,752 | 4,031 | +8.62% | plan? |
| Nov 9, 2016 PForm 4 → | Nov 14, 5:40 pm EST | Marianne BohrenDirector | 100 | $11.00 | $1,100 | 100 | — | plan? late |
| Nov 7, 2016 SForm 4 → | Nov 8, 3:06 pm EST | David O HarrisDirector | 1,000 | $10.61 | $10,610 | 86,612 | −1.14% | plan? |
| Aug 31, 2016 PForm 4 → | Sep 2, 12:42 pm EDT | Gerald W SimonsonDirector | 1,000 | $10.90 | $10,900 | 118,995 | +0.85% | plan? |
| Aug 10, 2016 SForm 4 → | Aug 12, 4:07 pm EDT | David O HarrisDirector | 900 | $12.36 | $11,128 | 87,612 | −1.02% | plan? |
| Aug 9, 2016 SForm 4 → | Aug 11, 4:44 pm EDT | David O HarrisDirector | 100 | $13.00 | $1,300 | 88,512 | −0.11% | plan? |
| Jun 24, 2016 PForm 4 → | Jun 27, 11:29 am EDT | Gerald W SimonsonDirector | 322 | $10.50 | $3,381 | 117,995 | +0.27% | plan? |
| Jun 2, 2016 SForm 4 → | Jun 2, 4:01 pm EDT | David O HarrisDirector | 1,150 | $10.85 | $12,478 | 88,612 | −1.28% | plan? |
| May 23, 2016 GForm 4 → | May 23, 3:05 pm EDT | William C UllandChairman of the Board and CEO, Director, 10% Owner | 1,000 | — | — | 227,047 | — | plan? |
| May 9, 2016 PForm 4 → | May 10, 5:29 pm EDT | William C UllandChairman of the Board and CEO, Director, 10% Owner | 4,545 | $11.00 | $49,995 | 228,047 | +2.03% | plan? |
| May 5, 2016 PForm 4 → | May 9, 3:43 pm EDT | Joseph R Nerges10% Owner | 1,310 | $11.09 | $14,528 | 443,000 | +0.30% | plan? |
| Feb 23, 2016 PForm 4 → | Feb 25, 1:58 pm EST | Joseph R Nerges10% Owner | 1,719 | $11.04 | $18,975 | 441,690 | +0.39% | plan? |
| Dec 17, 2015 PForm 4 → | Dec 21, 4:05 pm EST | Gerald W SimonsonDirector | 500 | $10.00 | $5,000 | 117,673 | +0.43% | plan? |
| Dec 14, 2015 PForm 4 → | Dec 16, 1:56 pm EST | Joseph R Nerges10% Owner | 4,600 | $10.38 | $47,731 | 439,971 | +1.06% | plan? |
| Nov 23, 2015 PForm 4 → | Nov 25, 2:24 pm EST | Joseph R Nerges10% Owner | 1,427 | $10.88 | $15,529 | 435,371 | +0.33% | plan? |
| Nov 11, 2015 PForm 4 → | Nov 13, 2:22 pm EST | Joseph R Nerges10% Owner | 2,219 | $10.64 | $23,605 | 433,944 | +0.51% | plan? |
| Sep 4, 2015 PForm 4 → | Sep 9, 2:01 pm EDT | Joseph R Nerges10% Owner | 720 | $11.63 | $8,371 | 431,725 | +0.17% | plan? |
| Aug 19, 2015 PForm 4 → | Aug 21, 2:54 pm EDT | Joseph R Nerges10% Owner | 1,816 | $11.47 | $20,837 | 431,005 | +0.42% | plan? |
| Aug 17, 2015 PForm 4 → | Aug 18, 4:05 pm EDT | Darrell B LeeDirector | 2,000 | $11.26 | $22,520 | 3,711 | +117% | plan? |
| Aug 14, 2015 PForm 4 → | Aug 18, 4:05 pm EDT | David O HarrisDirector | 300 | $11.41 | $3,423 | 89,762 | +0.34% | plan? |
| Aug 12, 2015 PForm 4 → | Aug 14, 11:21 am EDT | Gerald W SimonsonDirector | 1,000 | $11.63 | $11,625 | 117,173 | +0.86% | plan? |
| Dec 23, 2014 GForm 5 → | Jan 15, 2015, 9:44 am EST | William C UllandChairman of the Board and CEO, Director, 10% Owner | 3,000 | — | — | 223,502 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 22, 2026 JForm 4 → | Sep 23, 9:03 am EDT | Paul B. PragerChief Executive Officer, Director | 3,000,000 | — | — | 3,000,000 | — | |
| Sep 10, 2026 JForm 4 → | Sep 11, 8:52 pm EDT | Nazar M. KhanChief Technology Officer, Director | 700,000 | — | — | 350,000 | — | |
| Aug 16, 2026 MForm 4 → | Aug 17, 6:10 pm EDT | William Joseph TanimotoChief Accounting Officer | 6,666 | — | — | 0 | — | |
| Aug 1, 2026 MForm 4 → | Aug 3, 9:05 pm EDT | Kerri M. LanglaisChief Strategy Officer, Director | 500,000 | — | — | 1,000,000 | — | |
| Aug 1, 2026 MForm 4 → | Aug 3, 9:03 pm EDT | Patrick FleuryChief Financial Officer | 500,000 | — | — | 1,000,000 | — | |
| Jun 24, 2026 MForm 4 → | Jun 25, 5:18 pm EDT | William Joseph TanimotoChief Accounting Officer | 10,000 | — | — | 20,000 | — | |
| Jun 23, 2026 AMForm 4 → | Jun 25, 5:18 pm EDT | Lisa A. PragerDirector | 62,973 | — | — | 6,950 | — | |
| Jun 23, 2026 AMForm 4 → | Jun 25, 5:18 pm EDT | Steven T. PincusDirector | 70,844 | — | — | 7,818 | — | |
| Jun 23, 2026 AMForm 4 → | Jun 25, 5:17 pm EDT | Catherine J. MotzDirector | 62,973 | — | — | 6,950 | — | |
| Jun 23, 2026 AMForm 4 → | Jun 25, 5:17 pm EDT | Amanda FabianoDirector | 62,973 | — | — | 6,950 | — | |
| Jun 23, 2026 AMForm 4 → | Jun 25, 5:16 pm EDT | Walter E. CarterDirector | 62,973 | — | — | 6,950 | — | |
| Jun 23, 2026 AMForm 4 → | Jun 25, 5:16 pm EDT | Michael C. BucellaDirector | 62,973 | — | — | 6,950 | — |