Langlais Kerri M.
- Shares
- 4.38M
- % company
- 0.88%
Filed Aug 3, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NasdaqCM · Technology · Holders
TeraWulf Inc. (WULF) Insider Trading History
Recent Form 4 insider activity for WULF, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Aug 24, 1:23 AM EDT · Statements Jun 29, 8:00 PM EDT
Ownership read
WULF insider sentiment: Mixed, sale-heavy.
31 sales and 9 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
WULF
Purchases2.47M
Sales67.73M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Mixed, sale-heavy
$566.48M sold / $37.28M bought
Latest filing
Aug 3, 2026
Most recent holder or insider filing date
Filings shown
108
108 insider
- Latest filing
- Aug 3, 2026
- Most recent holder or insider filing date
- Insider rows
- 108
- Market data source
Recent insider transactions
TeraWulf Inc. (WULF) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Langlais Kerri M.
- Shares
- 1.00M
- % company
- 0.20%
Filed Aug 1, 2026
Langlais Kerri M.
- Shares
- 4.66M
- % company
- 0.93%
Filed Aug 1, 2026
Fleury Patrick
- Shares
- 1.00M
- % company
- 0.20%
Filed Aug 1, 2026
Fleury Patrick
- Shares
- 500.00K
- % company
- 0.10%
Filed Aug 1, 2026
Prager Lisa A.
- Shares
- 311.51K
- % company
- 0.06%
Filed Jun 30, 2026
Carter Walter E.
- Shares
- 359.72K
- % company
- 0.07%
Filed Jun 30, 2026
Bucella Michael C.
- Shares
- 338.82K
- % company
- 0.07%
Filed Jun 30, 2026
Prager Paul B.
- Shares
- 3.95M
- % company
- 0.79%
- Price
- $26.60
- Value
- $104,922,603
Filed Jun 29, 2026
Tanimoto William Joseph
- Shares
- 20.00K
- % company
- <0.01%
Filed Jun 24, 2026
Tanimoto William Joseph
- Shares
- 48.90K
- % company
- <0.01%
Filed Jun 24, 2026
Prager Lisa A.
- Shares
- 6.95K
- % company
- <0.01%
Filed Jun 23, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | Langlais Kerri M. | 0.88% | Sale to issuerDisposition to the company or issuer. It is directional selling, but not always an ordinary open-market sale. | 4.38M | Aug 3, 2026 |
| 2 | Langlais Kerri M. | 0.20% | Option exerciseDerivative exercise or conversion before any separate sale row. | 1.00M | Aug 1, 2026 |
| 3 | Langlais Kerri M. | 0.93% | Option exerciseDerivative exercise or conversion before any separate sale row. | 4.66M | Aug 1, 2026 |
| 4 | Fleury Patrick | 0.20% | Option exerciseDerivative exercise or conversion before any separate sale row. | 1.00M | Aug 1, 2026 |
| 5 | Fleury Patrick | 0.10% | Option exerciseDerivative exercise or conversion before any separate sale row. | 500.00K | Aug 1, 2026 |
| 6 | Prager Lisa A. | 0.06% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 311.51K | Jun 30, 2026 |
| 7 | Carter Walter E. | 0.07% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 359.72K | Jun 30, 2026 |
| 8 | Bucella Michael C. | 0.07% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 338.82K | Jun 30, 2026 |
| 9 | Prager Paul B. | 0.79% | SaleOpen-market or direct sale reported on Form 4. | 3.95M | Jun 29, 2026 |
| 10 | Tanimoto William Joseph | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 20.00K | Jun 24, 2026 |
| 11 | Tanimoto William Joseph | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 48.90K | Jun 24, 2026 |
| 12 | Prager Lisa A. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.95K | Jun 23, 2026 |
Showing 12 of 108 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported WULF insider?
Prager Paul B. has the largest absolute share movement in the displayed WULF filing rows, totaling 50.62 million shares. The action labels provide the transaction context.