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Charles H Andresen

Director
Current role
Director · TeraWulf
Current holdings (from latest Form 3/4/5)
TeraWulf WULF: 26,289 shares ≈ $308.4K (52.7 bp of co.) (as of 2008-03-13)
Insider activity since 2005-01
Invested $50.2K (32,008 shares acquired)
↳ notional today: $375.5K
Divested $0 (- shares sold)
→ Net invested $50.2K
↳ net notional: ↑ $375.5K
Change since first tracked filing (not total holdings; see methodology). Prices as of 2026-10-30.

Charles H. Andresen served as a director of IKONICS Corporation, having been elected to the board in 1979, and served on the company's Audit Committee. As of 2013, he was a shareholder in the law firm Andresen & Butterworth, P.A. in Duluth, Minnesota, where he had been for at least five years. He previously held shareholder status at Andresen, Haag, Paciotti, & Butterworth, P.A., also located in Duluth, Minnesota.

Biography extracted from TeraWulf DEF 14A filed 2013-03-19 View cached copy (2026-09-27)Live source ↗

Roles

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

CompanyRoleTenureFilings
TeraWulfDirector2005-01 → present (21y 10mo)8
Show 8 underlying filings
2008-03-13 · TeraWulf Form 4/A filed 2008-03-19
View cached copy (2026-09-13)Live source ↗
2007-01-02 · TeraWulf Form 4/A filed 2008-03-17
View cached copy (2026-09-13)Live source ↗
2006-04-24 · TeraWulf Form 4 filed 2006-04-26
View cached copy (2026-09-13)Live source ↗
2006-03-15 · TeraWulf Form 4 filed 2006-03-15
View cached copy (2026-09-13)Live source ↗
2005-04-22 · TeraWulf Form 4 filed 2005-04-25
View cached copy (2026-09-13)Live source ↗
2005-04-15 · TeraWulf Form 4 filed 2005-04-18
View cached copy (2026-09-13)Live source ↗
2005-02-23 · TeraWulf Form 4 filed 2005-02-25
View cached copy (2026-09-13)Live source ↗
2005-01-07 · TeraWulf Form 4 filed 2005-01-10
View cached copy (2026-09-13)Live source ↗

Insider transactions

Totals for this person

BucketInvested (shares)Invested (USD)Divested (shares)Divested (USD)Net directionTxnsInvested @ last priceDivested @ last price
All time32,008$50.2K-$0↑ Invested $50.2K22$375.5K$0
20088,700$11.6K-$0↑ Invested $11.6K4$102.1K$0
20078,700$9.1K-$0↑ Invested $9.1K4$102.1K$0
200610,008$19.5K-$0↑ Invested $19.5K6$117.4K$0
2006-Q13,000$4.6K-$0↑ Invested $4.6K2$35.2K$0
2006-Q27,008$14.9K-$0↑ Invested $14.9K4$82.2K$0
2007-Q18,700$9.1K-$0↑ Invested $9.1K4$102.1K$0
2008-Q18,700$11.6K-$0↑ Invested $11.6K4$102.1K$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 2026-10-30); they are a valuation, not a cash flow, and they move every day the market does.

All transactions

DateCompanyKindSharesAmount (USD)Value @ last price
2008-03-13TeraWulfOption / RSU exercise2,175$5,800$25.5K
2008-03-13TeraWulfOption / RSU exercise · Stock Option (right to buy)2,175-$25.5K
2008-03-13TeraWulfOption / RSU exercise2,175$5,800$25.5K
2008-03-13TeraWulfOption / RSU exercise · Stock Option (right to buy)2,175-$25.5K
2007-01-02TeraWulfOption / RSU exercise2,175$4,531$25.5K
2007-01-02TeraWulfOption / RSU exercise · Stock Option (right to buy)2,175-$25.5K
2007-01-02TeraWulfOption / RSU exercise2,175$4,531$25.5K
2007-01-02TeraWulfOption / RSU exercise · Stock Option (right to buy)2,175-$25.5K
2006-04-26TeraWulfOption / RSU exercise · Common Stock Option (right to buy)1,741-$20.4K
2006-04-26TeraWulfOption / RSU exercise1,741$9,496$20.4K
2006-04-24TeraWulfOption / RSU exercise · Common Stock Option (right to buy)1,763-$20.7K
2006-04-24TeraWulfOption / RSU exercise1,763$5,407$20.7K
2006-03-15TeraWulfOption / RSU exercise1,500$4,600$17.6K
2006-03-15TeraWulfOption / RSU exercise · Common Stock Option (right to buy)1,500-$17.6K
2005-04-22TeraWulfOption / RSU exercise1,100$4,812$12.9K
2005-04-22TeraWulfOption / RSU exercise · Common Stock Option (right to buy)1,100-$12.9K
2005-04-15TeraWulfOption / RSU exercise400$1,750$4.7K
2005-04-15TeraWulfOption / RSU exercise · Common Stock Option (right to buy)400-$4.7K
2005-02-23TeraWulfOption / RSU exercise400$1,750$4.7K
2005-02-23TeraWulfOption / RSU exercise · Common Stock Option (right to buy)400-$4.7K
Show older transactions (2 more)
DateCompanyKindSharesAmount (USD)Value @ last price
2005-01-07TeraWulfOption / RSU exercise400$1,750$4.7K
2005-01-07TeraWulfOption / RSU exercise · Stock Option (right to buy)400-$4.7K