Morrison Briggs

Director at CRISPR Therapeutics AG · on record since Jun 9, 2026
Director at Syndax Pharmaceuticals Inc · on record since Mar 2, 2016
Director at ARVINAS, INC. · on record since Sep 28, 2018
Director at NextCure, Inc. · on record since Jun 17, 2019
Director at Repare Therapeutics Inc. · on record since Jun 25, 2020
Director at Codiak BioSciences, Inc. · on record since Oct 15, 2020
Director at Oncorus, Inc. · on record since Oct 1, 2020
Director at Werewolf Therapeutics, Inc. · on record since Apr 29, 2021
President, Head of R&D at Syndax Pharmaceuticals Inc · on record since Mar 2, 2016
Director at Carisma Therapeutics Inc. · on record since Mar 9, 2023

Insider trading activity of Morrison Briggs

Transactions on record: 137; since Feb 8, 2017

Open-market buys: 9; $1.1M

Open-market sells: 32; $28.8M

Companies traded: 8; last filing Jun 26, 2026

Figures computed from official regulatory filings — .

Companies where Morrison Briggs has traded

ARVINAS, INC.28 tx · $3.9M · Jun 26, 2026
CRISPR Therapeutics AG2 tx · Jun 9, 2026
Werewolf Therapeutics, Inc.5 tx · Jun 13, 2025
Carisma Therapeutics Inc.5 tx · Jun 27, 2024
Repare Therapeutics Inc.5 tx · $96K · Jun 20, 2024
Syndax Pharmaceuticals Inc88 tx · $40.1M · Feb 9, 2024
2 tx · $100K · Feb 17, 2021
2 tx · Jun 15, 2020

Track record of Morrison Briggs

Statistical track record

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Open-market buys: 9

Last buy: Mar 6, 2026

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Transaction history of Morrison Briggs

Co-insiders of Morrison Briggs

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
ARVINAS, INC.Listing on record	Jun 26, 2026	AwardD (derivative)	22,714	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Jun 26, 2026	Award	15,527	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CRISPR Therapeutics AGListing on record	Jun 9, 2026	AwardD (derivative)	13,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Mar 9, 2026	Buy	20,000	13.40 USD	$268K	conv 57Unusual size	SEC
ARVINAS, INC.Listing on record	Sep 24, 2025	Buy	30,000	7.57 USD	$227.1K	conv 82Unusual sizeFirst in 12mo	SEC
ARVINAS, INC.Listing on record	Jun 27, 2025	Award	16,025	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Jun 27, 2025	AwardD (derivative)	23,105	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Werewolf Therapeutics, Inc.Listing on record	Jun 13, 2025	AwardD (derivative)	27,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CRISPR Therapeutics AGListing on record	Jun 6, 2025	AwardD (derivative)	13,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Carisma Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	19,350	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Repare Therapeutics Inc.Listing unverified	Jun 20, 2024	AwardD (derivative)	27,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	May 31, 2024	AwardD (derivative)	9,070	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	May 31, 2024	Award	5,899	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Werewolf Therapeutics, Inc.Listing on record	May 24, 2024	AwardD (derivative)	17,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 9, 2024	Award	17,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Aug 10, 2023	ExerciseD (derivative)	-52,855	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Aug 10, 2023	Exercise	52,855	8.77 USD	$463.5K		SEC
Syndax Pharmaceuticals IncListing on record	Aug 10, 2023	Sell	-52,855	18.27 USD	$965.7K		SEC
Syndax Pharmaceuticals IncListing on record	Jul 11, 2023	Exercise	52,855	8.77 USD	$463.5K		SEC
Syndax Pharmaceuticals IncListing on record	Jul 11, 2023	ExerciseD (derivative)	-52,855	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Jul 11, 2023	Sell	-52,855	20.40 USD	$1.1M		SEC
Werewolf Therapeutics, Inc.Listing on record	Jun 23, 2023	AwardD (derivative)	13,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Jun 20, 2023	AwardD (derivative)	12,787	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Jun 20, 2023	Award	4,121	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Repare Therapeutics Inc.Listing unverified	Jun 12, 2023	AwardD (derivative)	27,200	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
ARVINAS, INC.Listing on record	Jun 26, 2026	AwardD (derivative)	22,714	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Jun 26, 2026	Award	15,527	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CRISPR Therapeutics AGListing on record	Jun 9, 2026	AwardD (derivative)	13,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Mar 9, 2026	Buy	20,000	13.40 USD	$268K	conv 57Unusual size	SEC
ARVINAS, INC.Listing on record	Sep 24, 2025	Buy	30,000	7.57 USD	$227.1K	conv 82Unusual sizeFirst in 12mo	SEC
ARVINAS, INC.Listing on record	Jun 27, 2025	Award	16,025	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Jun 27, 2025	AwardD (derivative)	23,105	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Werewolf Therapeutics, Inc.Listing on record	Jun 13, 2025	AwardD (derivative)	27,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CRISPR Therapeutics AGListing on record	Jun 6, 2025	AwardD (derivative)	13,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Carisma Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	19,350	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Repare Therapeutics Inc.Listing unverified	Jun 20, 2024	AwardD (derivative)	27,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	May 31, 2024	AwardD (derivative)	9,070	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	May 31, 2024	Award	5,899	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Werewolf Therapeutics, Inc.Listing on record	May 24, 2024	AwardD (derivative)	17,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 9, 2024	Award	17,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Aug 10, 2023	ExerciseD (derivative)	-52,855	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Aug 10, 2023	Exercise	52,855	8.77 USD	$463.5K		SEC
Syndax Pharmaceuticals IncListing on record	Aug 10, 2023	Sell	-52,855	18.27 USD	$965.7K		SEC
Syndax Pharmaceuticals IncListing on record	Jul 11, 2023	Exercise	52,855	8.77 USD	$463.5K		SEC
Syndax Pharmaceuticals IncListing on record	Jul 11, 2023	ExerciseD (derivative)	-52,855	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Jul 11, 2023	Sell	-52,855	20.40 USD	$1.1M		SEC
Werewolf Therapeutics, Inc.Listing on record	Jun 23, 2023	AwardD (derivative)	13,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Jun 20, 2023	AwardD (derivative)	12,787	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARVINAS, INC.Listing on record	Jun 20, 2023	Award	4,121	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Repare Therapeutics Inc.Listing unverified	Jun 12, 2023	AwardD (derivative)	27,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC