WULF TeraWulf Inc.

NASDAQ
$16.74

TeraWulf Inc. (WULF) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal Bearish Selling ran elevated versus WULF's own trailing one-year pace, with 6% of sale value under a prearranged plan.
Cluster activity 1 buyer in the last 30 days 1 buyer in the last 90 days 3 sellers in the last 90 days
Insiders buying
1
6 transactions
Insiders selling
5
17 transactions
Purchases
$200.3K
12,383 shares
Sales
$36.1M
2,338,801 shares
Net activity
-$35.9M
purchases less sales

How much of that selling was preplanned? 6% planned / 94% discretionary

10b5-1 plan sales $2.3M 1 transaction · 137,500 shares
Discretionary sales $33.7M 16 transactions · 2,201,301 shares

Largest single sale: $9.3M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: August 17, 2026 , by Bucella Michael C. .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Motz Catherine J. Director Sell 56,023 $17.81 $997.9K 153,218 −26.8% of holding
Carter Walter E. Director Sell 130,626 $15.14 $2.0M 229,090 −36.3% of holding
Prager Paul B. Chief Executive Officer Sell 10b5-1 137,500 $17.06 $2.3M 3,807,552 −3.5% of holding
Bucella Michael C. Director Buy 2,860 $17.47 $50.0K 344,704
Bucella Michael C. Director Buy 3,023 $16.54 $50.0K 341,844
Prager Paul B. Chief Executive Officer Sell 137,500 $26.60 $3.7M 3,945,052 −3.4% of holding
Prager Paul B. 2 fills Chief Executive Officer Sell 166,650 $25.92 $4.3M 4,139,353 −3.9% of holding
Prager Paul B. Chief Executive Officer Sell 166,650 $24.43 $4.1M 4,249,202 −3.8% of holding
Prager Paul B. 2 fills Chief Executive Officer Sell 79,200 $20.62 $1.6M 884,420 −8.2% of holding
Prager Paul B. 2 fills Chief Executive Officer Sell 137,500 $20.80 $2.9M 1,020,429 −11.9% of holding
Khan Nazar M. Chief Technology Officer Sell 452,152 $0.00 $0 738,626 −38% of holding
Prager Paul B. 2 fills Chief Executive Officer Sell 137,500 $16.96 $2.3M 220,500 −38.4% of holding
Prager Paul B. Chief Executive Officer Sell 137,500 $16.10 $2.2M 354,200 −28% of holding
Bucella Michael C. Director Buy 1,665 $15.04 $25.0K 280,052
Bucella Michael C. Director Buy 1,670 $14.96 $25.0K 278,387
Bucella Michael C. Director Buy 1,581 $15.79 $25.0K 276,717
Fleury Patrick 2 fills Chief Financial Officer Sell 600,000 $16.14 $9.7M 3,205,000 −15.8% of holding
Bucella Michael C. Director Buy 1,584 $16.00 $25.3K 275,136

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.