Insider · CIK 0001859732

Heyburn William A.

Reports to the SEC for 1 company · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0001859732

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-24	SRTAStrata Critical Medical, Inc.A Award	Director, Co-CEO and CFO	AAward	+178K sh	—	—	1,856,206
2026-09-24	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−98.4K sh	$5.27	−$518K	1,757,850
2026-09-08	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−31.7K sh	$5.31	−$168K	1,678,348
2026-07-31	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−199K sh	$5.09	−$1.01M	1,710,019
2026-07-30	SRTAStrata Critical Medical, Inc.A Award	Director, Co-CEO and CFO	AAward	+181K sh	—	—	1,730,068
2026-07-30	SRTAStrata Critical Medical, Inc.A Award	Director, Co-CEO and CFO	AAward	+179K sh	—	—	1,909,228
2026-06-08	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−31.7K sh	$5.87	−$186K	1,548,997
2026-06-08	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−31.7K sh	$5.87	−$186K	1,548,997
2026-04-24	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−302K sh	$4.92	−$1.48M	1,580,668
2026-04-23	SRTAStrata Critical Medical, Inc.A Award	Director, Co-CEO and CFO	AAward	+546K sh	—	—	1,882,399
2026-03-08	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−31.3K sh	$4.54	−$142K	1,336,774
2025-12-10	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−35.3K sh	$4.38	−$155K	1,368,088
2025-12-09	SRTAStrata Critical Medical, Inc.P Purchase	Director, Co-CEO and CFO	PPurchase	+17K sh	$4.47	+$76K	1,403,436
2025-11-03	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−100K sh	$5.03	−$504K	1,386,436
2025-10-31	SRTAStrata Critical Medical, Inc.A Award	Director, Co-CEO and CFO	AAward	+181K sh	—	—	1,486,569
2025-09-10	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−35.3K sh	$4.00	−$141K	1,305,497
2025-08-04	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−46.9K sh	$4.94	−$232K	1,340,845
2025-08-01	SRTAStrata Critical Medical, Inc.A Award	Director, Co-CEO and CFO	AAward	+139K sh	—	—	1,463,940
2025-08-01	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−76.2K sh	$3.99	−$304K	1,387,763
2025-06-10	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−35.3K sh	$3.80	−$134K	1,324,654
2025-06-09	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−100K sh	$4.07	−$407K	1,360,002
2025-03-13	SRTAStrata Critical Medical, Inc.A Award	Director, Co-CEO and CFO	AAward	+223K sh	—	—	1,620,077
2025-03-13	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−124K sh	$3.12	−$388K	1,495,681
2025-03-13	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−35.7K sh	$3.12	−$111K	1,460,002
2025-01-08	SRTAStrata Critical Medical, Inc.M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	+175K sh	$0.18	+$31.5K	1,397,220
2025-01-08	SRTAStrata Critical Medical, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	−175K sh	—	—	0
2025-01-07	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−900 sh	$5.00	−$4,502.97	1,222,220
2025-01-06	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−104K sh	$5.02	−$521K	1,223,120
2024-12-20	SRTAStrata Critical Medical, Inc.M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	+25.3K sh	$0.18	+$4,556.16	1,326,790
2024-12-20	SRTAStrata Critical Medical, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	−25.3K sh	—	—	175,000
2024-12-11	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−35.3K sh	$4.72	−$167K	1,301,478
2024-12-09	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−39.3K sh	$5.02	−$197K	1,336,826
2024-11-29	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−23.8K sh	$5.02	−$120K	1,376,111
2024-11-18	SRTAStrata Critical Medical, Inc.M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	+24.7K sh	$0.18	+$4,443.84	1,399,926
2024-11-18	SRTAStrata Critical Medical, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	−24.7K sh	$0.18	−$4,443.84	200,312
2024-09-11	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−35.3K sh	$2.85	−$101K	1,375,238
2024-08-14	SRTAStrata Critical Medical, Inc.M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	+25K sh	$0.18	+$4,500	1,410,586
2024-08-14	SRTAStrata Critical Medical, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	−25K sh	$0.18	−$4,500	225,000
2024-06-13	SRTAStrata Critical Medical, Inc.F Tax Payment	Director, Co-CEO and CFO	FTax Payment	−58K sh	$2.94	−$171K	1,385,586
2024-06-10	SRTAStrata Critical Medical, Inc.M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	+30K sh	$0.18	+$5,400	1,443,580
2024-06-10	SRTAStrata Critical Medical, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	−30K sh	$0.18	−$5,400	250,000
2024-04-03	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−20.6K sh	$3.28	−$67.4K	1,404,468
2024-04-03	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−11.4K sh	$3.28	−$37.5K	1,413,580
2024-03-19	SRTAStrata Critical Medical, Inc.M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	+45K sh	$0.18	+$8,100	1,425,020
2024-03-19	SRTAStrata Critical Medical, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	−45K sh	$0.18	−$8,100	280,000
2024-03-14	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−26.6K sh	$2.62	−$69.9K	1,355,020
2024-03-14	SRTAStrata Critical Medical, Inc.M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	+25K sh	$0.18	+$4,500	1,380,020
2024-03-14	SRTAStrata Critical Medical, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director, Co-CEO and CFO	MExercise/Conversion	−25K sh	$0.18	−$4,500	325,000
2024-03-13	SRTAStrata Critical Medical, Inc.S Sale	Director, Co-CEO and CFO	SSale	−27.2K sh	$2.76	−$75.2K	1,381,652
2024-03-08	SRTAStrata Critical Medical, Inc.A Award	Director, Co-CEO and CFO	AAward	+20.6K sh	—	—	1,408,862

Recent filings

Accepted (ET)
Sep 254
Heyburn William A.0001628280-26-063576
SEC(opens sec.gov)
Sep 104
Heyburn William A.0001628280-26-061362
SEC(opens sec.gov)
Aug 34
Heyburn William A.0001628280-26-051814
SEC(opens sec.gov)
Jun 184/A
Heyburn William A.0001628280-26-044283
SEC(opens sec.gov)
Jun 104
Heyburn William A.0001628280-26-042183
SEC(opens sec.gov)
Apr 274
Heyburn William A.0001628280-26-027654
SEC(opens sec.gov)
Mar 104
Heyburn William A.0001628280-26-016559
SEC(opens sec.gov)
Dec 124
Heyburn William A.0001628280-25-056755
SEC(opens sec.gov)
Dec 104
Heyburn William A.0001628280-25-056310
SEC(opens sec.gov)
Nov 54
Heyburn William A.0001628280-25-049658
SEC(opens sec.gov)
Sep 124
Heyburn William A.0001779128-25-000109
SEC(opens sec.gov)
Aug 54
Heyburn William A.0001779128-25-000075
SEC(opens sec.gov)
Jun 114
Heyburn William A.0001779128-25-000049
SEC(opens sec.gov)

Companies

Strata Critical Medical, Inc.Director, Co-CEO and CFOSRTA

Address

C/O STRATA CRITICAL MEDICAL, INC. 666 THIRD AVENUE, 25TH FLOOR

NEW YORK, NY, 10017