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H Leigh Severance

10%+ Owner5%+ OwnerDirector1%+ Owner
Current role
Director, 10%+ Owner · TeraWulf
Director · TeraWulf
Current holdings (from latest Form 3/4/5)
TeraWulf WULF: 180,079 shares ≈ $2.97M (0.04% of co.) (as of 2012-12-14)
Insider activity since 2005-04
Invested $75.9K (25,026 shares acquired)
↳ notional today: $412.2K
Divested $155.0K (25,000 shares sold)
↳ notional today: $411.8K
→ Net divested $79.1K
↳ net notional: ↑ $428
Change since first tracked filing (not total holdings; see methodology). Prices as of 2026-09-17.

Roles

Contiguous filings for the same role are collapsed into a single tenure span. Click a row to see the underlying filings.

CompanyRoleTenureFilings
TeraWulfDirector, 10%+ Owner2005-04 → present (21y 5mo)5
Show 5 underlying filings
2008-04-21 · TeraWulf Form 4 filed 2008-04-21
View cached copy (2026-09-13)Live source ↗
2007-05-30 · TeraWulf Form 4 filed 2007-05-31
View cached copy (2026-09-13)Live source ↗
2006-03-14 · TeraWulf Form 4 filed 2006-03-15
View cached copy (2026-09-13)Live source ↗
2005-08-29 · TeraWulf Form 4 filed 2005-08-31
View cached copy (2026-09-13)Live source ↗
2005-04-22 · TeraWulf Form 4 filed 2005-04-22
View cached copy (2026-09-13)Live source ↗
TeraWulfDirector2012-12 → present (13y 9mo)1

Insider transactions

Totals for this person

BucketInvested (shares)Invested (USD)Divested (shares)Divested (USD)Net directionTxnsInvested @ last priceDivested @ last price
All time25,026$75.9K25,000$155.0K↓ Divested $79.1K11$412.2K$411.8K
20125,000$45.0K-$0↑ Invested $45.0K2$82.3K$0
20084,350$5.8K-$0↑ Invested $5.8K2$71.6K$0
20074,350$4.5K-$0↑ Invested $4.5K2$71.6K$0
2006-Q16,526$10.0K-$0↑ Invested $10.0K2$107.5K$0
2007-Q24,350$4.5K-$0↑ Invested $4.5K2$71.6K$0
2008-Q24,350$5.8K-$0↑ Invested $5.8K2$71.6K$0
2012-Q45,000$45.0K-$0↑ Invested $45.0K2$82.3K$0

Invested = shares acquired (buys, grants, option exercises) — insider adding to the position. Divested = shares reduced (sells, dispositions, tax-withholding) — cash flowing TO the insider. Net direction shows which side wins on dollar terms in each bucket. % of holder's stake not yet computed (pending Form 3/4 holdings ingest). See methodology. The two @ last price columns restate the same share counts at the most recent share price we read (close of 2026-09-17); they are a valuation, not a cash flow, and they move every day the market does.

All transactions

DateCompanyKindSharesAmount (USD)Value @ last price
2012-12-14TeraWulfOpen-market purchase700$6,335$11.5K
2012-12-13TeraWulfOpen-market purchase4,300$38,700$70.8K
2008-04-21TeraWulfOption / RSU exercise2,175$5,800$35.8K
2008-04-21TeraWulfOption / RSU exercise · Common Stock (right to buy)2,175-$35.8K
2007-05-30TeraWulfOption / RSU exercise · Common Stock Option (right to buy)2,175-$35.8K
2007-05-30TeraWulfOption / RSU exercise2,175$4,531$35.8K
2006-03-14TeraWulfOption / RSU exercise3,263$10,007$53.7K
2006-03-14TeraWulfOption / RSU exercise · Common Stock option (right to buy)3,263-$53.7K
2005-08-29TeraWulfOpen-market sale25,000$155,000$411.8K
2005-04-22TeraWulfOption / RSU exercise2,400$10,500$39.5K
2005-04-22TeraWulfOption / RSU exercise · Common Stock Option (right to buy)2,400-$39.5K