CRITCHFIELD GREGORY C

President Myriad Genetic Labs at MYRIAD GENETICS INC · on record since Sep 10, 2003
Director at SERA PROGNOSTICS, INC. · on record since Jul 21, 2021
Chief Executive Officer at SERA PROGNOSTICS, INC. · on record since Jul 21, 2021

Insider trading activity of CRITCHFIELD GREGORY C

Transactions on record: 82; since Sep 10, 2003

Open-market buys: 0

Open-market sells: 9; $9M

Companies traded: 2; last filing Jul 14, 2026

Figures computed from official regulatory filings — .

Companies where CRITCHFIELD GREGORY C has traded

SERA PROGNOSTICS, INC.23 tx · Jul 14, 2026
MYRIAD GENETICS INC59 tx · $12.5M · Sep 17, 2009

Track record of CRITCHFIELD GREGORY C

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of CRITCHFIELD GREGORY C

Co-insiders of CRITCHFIELD GREGORY C

Capone Mark ChristopherMYRIAD GENETICS INC +1
Harrison Robert GardnerMYRIAD GENETICS INC +1
Jackson BenjaminMYRIAD GENETICS INC +1
MOYES JAY MMYRIAD GENETICS INC +1
Aerts AustinSERA PROGNOSTICS, INC.
Altomare NadiaSERA PROGNOSTICS, INC.
Ancona MargaretMYRIAD GENETICS INC
Anderson Dyaarl Lee Jr.SERA PROGNOSTICS, INC.
ATTIYEH ROBERT SMYRIAD GENETICS INC
Baker Bros. Advisors (GP) LLCSERA PROGNOSTICS, INC.
BAKER BROS. ADVISORS LPSERA PROGNOSTICS, INC.
BAKER FELIXSERA PROGNOSTICS, INC.
BAKER JULIANSERA PROGNOSTICS, INC.
Barlow Jane FSERA PROGNOSTICS, INC.
Belle Gerald P.MYRIAD GENETICS INC
BENSON T CRAIGMYRIAD GENETICS INC
BEST LAWRENCE CMYRIAD GENETICS INC
BISARO PAULMYRIAD GENETICS INC
Blue Ox Healthcare Partners, LLCSERA PROGNOSTICS, INC.
Blue Ox Healthcare Partners SP, LLCSERA PROGNOSTICS, INC.
Boniface John J.SERA PROGNOSTICS, INC.
BXHCP SP III, LLCSERA PROGNOSTICS, INC.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
SERA PROGNOSTICS, INC.	Jul 14, 2026	Award	1,594	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 14, 2026	AwardD (derivative)	34,494	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 14, 2026	Award	22,426	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 14, 2026	AwardD (derivative)	2,452	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 6, 2025	Award	15,596	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 6, 2025	AwardD (derivative)	25,000	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 7, 2024	Award	7,117	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 7, 2024	AwardD (derivative)	10,549	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 5, 2024	Other	13	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 5, 2024	Other	195	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Mar 7, 2023	Award	62,200	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Mar 7, 2023	AwardD (derivative)	98,300	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Mar 25, 2022	AwardD (derivative)	429,225	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-4,727	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	11,880	—	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	5,253	—	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	4,727	—	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	28,730	—	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-5,253	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-34,383	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-11,880	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-28,730	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	34,383	—	—	SEC
MYRIAD GENETICS INC	Sep 17, 2009	AwardD (derivative)	3,861	0.00	—	SEC
MYRIAD GENETICS INC	Sep 17, 2009	AwardD (derivative)	89,139	0.00	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
SERA PROGNOSTICS, INC.	Jul 14, 2026	Award	1,594	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 14, 2026	AwardD (derivative)	34,494	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 14, 2026	Award	22,426	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 14, 2026	AwardD (derivative)	2,452	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 6, 2025	Award	15,596	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 6, 2025	AwardD (derivative)	25,000	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 7, 2024	Award	7,117	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 7, 2024	AwardD (derivative)	10,549	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 5, 2024	Other	13	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jun 5, 2024	Other	195	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Mar 7, 2023	Award	62,200	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Mar 7, 2023	AwardD (derivative)	98,300	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Mar 25, 2022	AwardD (derivative)	429,225	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-4,727	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	11,880	—	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	5,253	—	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	4,727	—	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	28,730	—	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-5,253	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-34,383	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-11,880	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	OtherD (derivative)	-28,730	0.00 USD	—	SEC
SERA PROGNOSTICS, INC.	Jul 21, 2021	Other	34,383	—	—	SEC
MYRIAD GENETICS INC	Sep 17, 2009	AwardD (derivative)	3,861	0.00	—	SEC
MYRIAD GENETICS INC	Sep 17, 2009	AwardD (derivative)	89,139	0.00	—	SEC