DEERFIELD MANAGEMENT CO /NY

Director by deputization at Acutus Medical, Inc. · on record since Jun 20, 2023
10% owner at Nuvalent, Inc. · on record since Jun 16, 2023
10% owner at CareMax, Inc. · on record since Jun 12, 2023
Director by Deputization at CareMax, Inc. · on record since Jun 12, 2023
10% owner at PAR PHARMACEUTICAL COMPANIES, INC. · on record since Feb 1, 2007
10% owner at DA32 Life Science Tech Acquisition Corp. · on record since Aug 1, 2023
Director by Deputization at DA32 Life Science Tech Acquisition Corp. · on record since Aug 1, 2023
Director at ALPINE IMMUNE SCIENCES, INC. · on record since Sep 14, 2016
10% owner at ALPINE IMMUNE SCIENCES, INC. · on record since Sep 14, 2016
Director at Tessera Defense & Homeland Security Inc. · on record since Mar 19, 2024
*Director by Deputization at Tessera Defense & Homeland Security Inc. · on record since Mar 19, 2024
10% owner at Tessera Defense & Homeland Security Inc. · on record since Mar 19, 2024
10% owner at AdaptHealth Corp. · on record since Mar 12, 2024
*Possible Member of 10% Group at AdaptHealth Corp. · on record since Mar 12, 2024
10% owner at FRACTYL HEALTH, INC. · on record since Feb 8, 2024
Possible Member of 10% Group at FRACTYL HEALTH, INC. · on record since Feb 1, 2024
10% owner at Bicara Therapeutics Inc. · on record since Sep 17, 2024
*Possible Member of 10% Group at · on record since Sep 12, 2024
10% owner at · on record since Nov 13, 2024
10% owner at · on record since May 2, 2007
10% owner at · on record since Aug 24, 2007
10% owner at · on record since Jul 23, 2007
10% owner at · on record since Nov 27, 2007
10% owner at · on record since Nov 27, 2007
10% owner at · on record since Oct 25, 2007
10% owner at · on record since Oct 23, 2007
Director by Deputization at · on record since Jun 16, 2023
10% owner at · on record since Mar 31, 2008
10% owner at · on record since Mar 14, 2008
10% owner at · on record since May 6, 2008
10% owner at · on record since Oct 21, 2008
10% owner at · on record since Dec 5, 2008
10% owner at · on record since Jun 19, 2009
10% owner at · on record since Jan 8, 2004
Director at · on record since May 20, 2026
10% owner at · on record since May 20, 2026
* Director by Deputization at · on record since May 20, 2026
10% owner at · on record since Jun 9, 2026
Possible Member of 10% Group at · on record since Jun 9, 2026
Director at · on record since Mar 29, 2018
Director at · on record since Feb 23, 2018
10% owner at · on record since Dec 27, 2018
Director at · on record since Jul 30, 2021
Director at · on record since Mar 17, 2020
Director at · on record since Jul 22, 2020
Director at · on record since Aug 12, 2020
Director at · on record since Oct 8, 2020
Director at · on record since Jul 27, 2021
Director at · on record since Nov 10, 2022

Insider trading activity of DEERFIELD MANAGEMENT CO /NY

Transactions on record: 335; since Jan 14, 2004

Open-market buys: 57; $49.4M

Open-market sells: 167; $31.6M

Companies traded: 36; last filing Jun 20, 2025

Figures computed from official regulatory filings — .

Companies where DEERFIELD MANAGEMENT CO /NY has traded

10 tx · Jun 20, 2025
6 tx · $4.4M · May 15, 2025
7 tx · $657K · Apr 18, 2025
2 tx · Jul 5, 2022
11 tx · $100M · Nov 16, 2021
2 tx · $22.5M · Aug 3, 2021
6 tx · $10.2M · Feb 18, 2020
3 tx · $4.3M · Feb 10, 2020
4 tx · $7.7M · Dec 27, 2019
5 tx · $7.7M · Oct 30, 2019
2 tx · $1.9M · Jul 1, 2019
3 tx · $222.5K · Feb 7, 2019
1 tx · $683.1K · Jun 25, 2018
3 tx · $386.9K · Jun 12, 2018

Track record of DEERFIELD MANAGEMENT CO /NY

Statistical track record

Free account

Open-market buys: 79

Last buy: Nov 12, 2021

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of DEERFIELD MANAGEMENT CO /NY

Co-insiders of DEERFIELD MANAGEMENT CO /NY

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Nuvalent, Inc.Security delisted	Jun 20, 2025	AwardD (derivative)	4,147	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 20, 2025	AwardD (derivative)	4,147	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 20, 2025	Award	2,647	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 20, 2025	Award	2,647	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Larimar Therapeutics, Inc.Listing on record	May 15, 2025	AwardD (derivative)	19,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Apr 18, 2025	AwardD (derivative)	17,600	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	ExerciseD (derivative)	-1,611,863	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	Exercise	353,249	0.93 USD	$328.5K		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	AwardD (derivative)	1,258,614	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	AwardD (derivative)	1,258,614	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	Exercise	353,249	0.93 USD	$328.5K		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	ExerciseD (derivative)	-1,611,863	—	n/a (No price was disclosed in the filing)		SEC
Nuvalent, Inc.Security delisted	Jun 16, 2023	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 16, 2023	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Larimar Therapeutics, Inc.Listing on record	May 11, 2023	AwardD (derivative)	8,300	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acutus Medical, Inc.Listing on record	Jul 5, 2022	AwardD (derivative)	1,889,509	—	n/a (No price was disclosed in the filing)		SEC
Acutus Medical, Inc.Listing on record	Jul 5, 2022	AwardD (derivative)	1,889,509	—	n/a (No price was disclosed in the filing)		SEC
Nuvalent, Inc.Security delisted	Jun 21, 2022	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 21, 2022	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	OtherD (derivative)	-40	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	OtherD (derivative)	625,000	—	n/a (No price was disclosed in the filing)		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	BuyD (derivative)	50,000	1,000.00 USD	$50M	Unusual size	SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	Other	40	—	n/a (No price was disclosed in the filing)		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	OtherD (derivative)	-14,887	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	OtherD (derivative)	-85,113	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
Nuvalent, Inc.Security delisted	Jun 20, 2025	AwardD (derivative)	4,147	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 20, 2025	AwardD (derivative)	4,147	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 20, 2025	Award	2,647	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 20, 2025	Award	2,647	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Larimar Therapeutics, Inc.Listing on record	May 15, 2025	AwardD (derivative)	19,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Apr 18, 2025	AwardD (derivative)	17,600	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	ExerciseD (derivative)	-1,611,863	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	Exercise	353,249	0.93 USD	$328.5K		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	AwardD (derivative)	1,258,614	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	AwardD (derivative)	1,258,614	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	Exercise	353,249	0.93 USD	$328.5K		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 3, 2025	ExerciseD (derivative)	-1,611,863	—	n/a (No price was disclosed in the filing)		SEC
Nuvalent, Inc.Security delisted	Jun 16, 2023	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 16, 2023	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Larimar Therapeutics, Inc.Listing on record	May 11, 2023	AwardD (derivative)	8,300	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acutus Medical, Inc.Listing on record	Jul 5, 2022	AwardD (derivative)	1,889,509	—	n/a (No price was disclosed in the filing)		SEC
Acutus Medical, Inc.Listing on record	Jul 5, 2022	AwardD (derivative)	1,889,509	—	n/a (No price was disclosed in the filing)		SEC
Nuvalent, Inc.Security delisted	Jun 21, 2022	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Jun 21, 2022	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	OtherD (derivative)	-40	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	OtherD (derivative)	625,000	—	n/a (No price was disclosed in the filing)		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	BuyD (derivative)	50,000	1,000.00 USD	$50M	Unusual size	SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	Other	40	—	n/a (No price was disclosed in the filing)		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	OtherD (derivative)	-14,887	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Starling Oncology, Inc.Security delisted	Nov 16, 2021	OtherD (derivative)	-85,113	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC