Insider · CIK 0001248745

DUCHENE TODD M

Reports to the SEC for 5 companies · DOVER, DE

sec.gov

Transactions

Companies

Filings

CIK

0001248745

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-10-05	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$16.31	−$163K	1,169,668
2026-10-01	CORZCore Scientific, Inc./txF Tax Payment	See remarks	FTax Payment	−8,228 sh	$15.98	−$131K	1,179,668
2026-09-28	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$16.76	−$168K	1,187,896
2026-09-21	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$18.37	−$184K	1,197,896
2026-09-14	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$17.14	−$171K	1,207,896
2026-09-09	CORZCore Scientific, Inc./tx · Tranche 1 WarrantsG Gift	See remarks	GGift	−95K sh	—	—	422,133
2026-09-08	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$18.67	−$187K	1,217,896
2026-08-31	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$16.23	−$162K	1,927,896
2026-08-24	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$17.45	−$174K	1,937,896
2026-08-17	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$20.10	−$201K	1,959,101
2026-08-17	CORZCore Scientific, Inc./txF Tax Payment	See remarks	FTax Payment	−11.2K sh	$20.13	−$226K	1,947,896
2026-08-10	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−9,000 sh	$19.90	−$179K	1,970,101
2026-08-10	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−1,000 sh	$20.65	−$20.6K	1,969,101
2026-08-03	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−1,000 sh	$20.39	−$20.4K	1,988,101
2026-08-03	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−1,500 sh	$21.55	−$32.3K	1,986,601
2026-08-03	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−7,500 sh	$22.62	−$170K	1,979,101
2026-07-27	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−8,300 sh	$20.75	−$172K	1,990,801
2026-07-27	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−1,600 sh	$21.89	−$35K	1,989,201
2026-07-27	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−100 sh	$22.49	−$2,249	1,989,101
2026-07-20	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$22.30	−$223K	1,999,101
2026-07-16	CORZCore Scientific, Inc./txF Tax Payment	See remarks	FTax Payment	−4,325 sh	$22.72	−$98.3K	2,009,101
2026-07-13	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−9,700 sh	$22.43	−$218K	2,013,726
2026-07-13	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−300 sh	$23.01	−$6,903	2,013,426
2026-07-06	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$22.63	−$226K	2,023,426
2026-06-30	CORZCore Scientific, Inc./txF Tax Payment	See remarks	FTax Payment	−5,469 sh	$25.59	−$140K	2,033,426
2026-06-29	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−1,100 sh	$27.42	−$30.2K	2,038,995
2026-06-29	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−100 sh	$27.95	−$2,795	2,038,895
2026-06-29	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−8,800 sh	$25.99	−$229K	2,040,095
2026-06-22	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−7,600 sh	$29.11	−$221K	2,051,295
2026-06-22	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−2,400 sh	$29.88	−$71.7K	2,048,895
2026-06-15	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−100 sh	$28.79	−$2,879	2,058,895
2026-06-15	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−9,900 sh	$28.19	−$279K	2,058,995
2026-06-08	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−5,500 sh	$26.64	−$147K	2,073,395
2026-06-08	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−4,500 sh	$27.11	−$122K	2,068,895
2026-06-01	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−5,500 sh	$28.76	−$158K	2,078,895
2026-06-01	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−1,300 sh	$26.93	−$35K	2,087,595
2026-06-01	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−3,200 sh	$28.27	−$90.5K	2,084,395
2026-05-26	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$26.25	−$263K	2,088,895
2026-05-20	CORZCore Scientific, Inc./txA Award	See remarks	AAward	+139K sh	—	—	2,098,895
2026-05-18	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−400 sh	$23.76	−$9,503	1,960,348
2026-05-18	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−9,600 sh	$23.12	−$222K	1,960,748
2026-05-11	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−2,600 sh	$22.82	−$59.3K	1,977,748
2026-05-11	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−7,400 sh	$23.39	−$173K	1,970,348
2026-05-04	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−100 sh	$21.53	−$2,153	1,980,348
2026-05-04	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−9,900 sh	$20.85	−$206K	1,980,448
2026-04-27	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$20.94	−$209K	1,990,348
2026-04-20	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−10K sh	$19.80	−$198K	2,000,348
2026-04-16	CORZCore Scientific, Inc./txF Tax Payment	See remarks	FTax Payment	−16.7K sh	$19.08	−$319K	2,010,348
2026-04-13	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−9,600 sh	$18.61	−$179K	2,027,489
2026-04-13	CORZCore Scientific, Inc./txS Sale	See remarks	SSale	−400 sh	$18.99	−$7,597	2,027,089

Recent filings

Accepted (ET)
Oct 7 16:504
DUCHENE TODD M0000905148-26-004398
SEC(opens sec.gov)
Oct 5 17:054
DUCHENE TODD M0000905148-26-004360
SEC(opens sec.gov)
Sep 304
DUCHENE TODD M0000905148-26-004306
SEC(opens sec.gov)
Sep 234
DUCHENE TODD M0000905148-26-004258
SEC(opens sec.gov)
Sep 164
DUCHENE TODD M0000905148-26-004205
SEC(opens sec.gov)
Sep 104
DUCHENE TODD M0000905148-26-004132
SEC(opens sec.gov)
Sep 24
DUCHENE TODD M0000905148-26-004062
SEC(opens sec.gov)
Aug 264
DUCHENE TODD M0000905148-26-003935
SEC(opens sec.gov)
Aug 194
DUCHENE TODD M0000905148-26-003814
SEC(opens sec.gov)
Aug 124
DUCHENE TODD M0000905148-26-003595
SEC(opens sec.gov)
Aug 54
DUCHENE TODD M0000905148-26-003481
SEC(opens sec.gov)
Jul 294
DUCHENE TODD M0000905148-26-003381
SEC(opens sec.gov)
Jul 224
DUCHENE TODD M0000905148-26-003318
SEC(opens sec.gov)

Companies

Address

C/O CORE SCIENTIFIC, INC. 838 WALKER ROAD, SUITE 21-2105

DOVER, DE, 19904