Markels John

Director at Vaxcyte, Inc. · on record since Jul 16, 2026
Director at SANGAMO THERAPEUTICS, INC · on record since Feb 13, 2020
Director at Arcturus Therapeutics Holdings Inc. · on record since Jun 15, 2026

Insider trading activity of Markels John

Transactions on record: 23; since Feb 13, 2020

Open-market buys: 1; $25K

Open-market sells: 0

Companies traded: 3; last filing Jul 16, 2026

Figures computed from official regulatory filings — .

Companies where Markels John has traded

Vaxcyte, Inc.1 tx · Jul 16, 2026
Arcturus Therapeutics Holdings Inc.9 tx · Jun 15, 2026
SANGAMO THERAPEUTICS, INC13 tx · $25K · Jun 16, 2025

Track record of Markels John

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

Transaction history of Markels John

Co-insiders of Markels John

Kolchinsky PeterSANGAMO THERAPEUTICS, INC +1
RA Capital Biotech Fund LPSANGAMO THERAPEUTICS, INC +1
RA CAPITAL MANAGEMENT, LLCSANGAMO THERAPEUTICS, INC +1
Slaoui MoncefArcturus Therapeutics Holdings Inc. +1
Abingworth LLPVaxcyte, Inc.
ANDO DALE GSANGAMO THERAPEUTICS, INC
BARLOW JAMES FArcturus Therapeutics Holdings Inc.
Beers CourtneySANGAMO THERAPEUTICS, INC
BIOGEN IDEC INCSANGAMO THERAPEUTICS, INC
Biogen MA Inc.SANGAMO THERAPEUTICS, INC
BLUFORD PETERSANGAMO THERAPEUTICS, INC
Boissel StephaneSANGAMO THERAPEUTICS, INC
BONDERMAN DAVIDVaxcyte, Inc.
BRANDICOURT OLIVIERVaxcyte, Inc.
Carey RobertSANGAMO THERAPEUTICS, INC
CASE CASEY CSANGAMO THERAPEUTICS, INC
Chivukula PadArcturus Therapeutics Holdings Inc.
Cleveland Paul BSANGAMO THERAPEUTICS, INC
Conner Edward R.SANGAMO THERAPEUTICS, INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Vaxcyte, Inc.Listing on record	Jul 16, 2026	AwardD (derivative)	23,029	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 15, 2026	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 16, 2025	Award	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 16, 2025	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 11, 2025	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 18, 2024	Exercise	3,131	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 18, 2024	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 18, 2024	ExerciseD (derivative)	-3,131	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 6, 2024	Award	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 6, 2024	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Aug 3, 2023	AwardD (derivative)	3,131	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Aug 3, 2023	AwardD (derivative)	11,869	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 5, 2023	Award	13,900	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 5, 2023	AwardD (derivative)	27,750	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Dec 13, 2022	AwardD (derivative)	6,986	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Dec 13, 2022	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 6, 2022	Buy	6,784	3.69 USD	$25K	conv 58First in 12mo	SEC
SANGAMO THERAPEUTICS, INCListing on record	Mar 1, 2022	AwardD (derivative)	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Mar 1, 2022	Award	12,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Mar 1, 2021	Award	8,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Mar 1, 2021	AwardD (derivative)	16,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Feb 13, 2020	Award	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Feb 13, 2020	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Vaxcyte, Inc.Listing on record	Jul 16, 2026	AwardD (derivative)	23,029	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 15, 2026	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 16, 2025	Award	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 16, 2025	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 11, 2025	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 18, 2024	Exercise	3,131	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 18, 2024	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Jun 18, 2024	ExerciseD (derivative)	-3,131	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 6, 2024	Award	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 6, 2024	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Aug 3, 2023	AwardD (derivative)	3,131	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Aug 3, 2023	AwardD (derivative)	11,869	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 5, 2023	Award	13,900	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 5, 2023	AwardD (derivative)	27,750	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Dec 13, 2022	AwardD (derivative)	6,986	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcturus Therapeutics Holdings Inc.Listing on record	Dec 13, 2022	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Jun 6, 2022	Buy	6,784	3.69 USD	$25K	conv 58First in 12mo	SEC
SANGAMO THERAPEUTICS, INCListing on record	Mar 1, 2022	AwardD (derivative)	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Mar 1, 2022	Award	12,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Mar 1, 2021	Award	8,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Mar 1, 2021	AwardD (derivative)	16,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Feb 13, 2020	Award	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SANGAMO THERAPEUTICS, INCListing on record	Feb 13, 2020	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC