Deerfield Mgmt HIF, L.P.

Director 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
*Director by Deputization at Tessera Defense & Homeland Security Inc. · on record since Mar 19, 2024
10% owner at Larimar Therapeutics, Inc. · on record since Feb 16, 2024
* Director by Deputization at Larimar Therapeutics, Inc. · on record since Feb 16, 2024
10% owner at Nuvalent, Inc. · on record since Oct 24, 2024
Director by Deputization at Nuvalent, Inc. · on record since Oct 24, 2024
10% owner at Parabilis Medicines, Inc. · on record since Jun 9, 2026
Possible Member of 10% Group at Parabilis Medicines, Inc. · on record since Jun 9, 2026
Director at Nuvalent, Inc. · on record since Jul 28, 2021
Director at Q32 Bio Inc. · on record since Apr 4, 2018
Director at Larimar Therapeutics, Inc. · on record since Jun 8, 2020
Director at Oncorus, Inc. · on record since Oct 8, 2020

Insider trading activity of Deerfield Mgmt HIF, L.P.

Transactions on record: 42; since Apr 4, 2018

Open-market buys: 13; $110M

Open-market sells: 9; $1.1M

Companies traded: 5; last filing Mar 2, 2026

Figures computed from official regulatory filings — .

Companies where Deerfield Mgmt HIF, L.P. has traded

Larimar Therapeutics, Inc.11 tx · $90M · Mar 2, 2026
Tessera Defense & Homeland Security Inc.12 tx · Apr 23, 2025
Oncorus, Inc.6 tx · $19.9K · Dec 27, 2022
3 tx · $1.1M · Jul 7, 2021
10 tx · $20M · Apr 4, 2018

Track record of Deerfield Mgmt HIF, L.P.

Statistical track record

Free account

Open-market buys: 13

Last buy: Feb 27, 2026

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Transaction history of Deerfield Mgmt HIF, L.P.

Co-insiders of Deerfield Mgmt HIF, L.P.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Larimar Therapeutics, Inc.Listing on record	Mar 2, 2026	Buy	1,084,012	5.00 USD	$5.4M	conv 41ClusterUnusual size	SEC
Larimar Therapeutics, Inc.Listing on record	Mar 2, 2026	Buy	1,084,010	5.00 USD	$5.4M	conv 41ClusterUnusual size	SEC
Larimar Therapeutics, Inc.Listing on record	Mar 2, 2026	Buy	831,978	5.00 USD	$4.2M	conv 41ClusterUnusual size	SEC
Larimar Therapeutics, Inc.Listing on record	Mar 2, 2026	Buy	2,000,000	5.00 USD	$10M	conv 52Cluster	SEC
Larimar Therapeutics, Inc.Listing on record	Aug 4, 2025	Buy	2,599,932	3.20 USD	$8.3M	conv 45First in 12mo	SEC
Larimar Therapeutics, Inc.Listing on record	Aug 4, 2025	Buy	3,387,529	3.20 USD	$10.8M	conv 65Unusual sizeFirst in 12mo	SEC
Larimar Therapeutics, Inc.Listing on record	Aug 4, 2025	Buy	3,387,539	3.20 USD	$10.8M	conv 65Unusual sizeFirst in 12mo	SEC
Tessera Defense & Homeland Security Inc.Listing on record	Apr 23, 2025	AwardD (derivative)	1,611,864	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Apr 23, 2025	AwardD (derivative)	1,611,864	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Jul 17, 2024	ExerciseD (derivative)	-5,883	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Jul 17, 2024	Exercise	5,883,000	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Jul 17, 2024	Exercise	5,883,000	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Jul 17, 2024	ExerciseD (derivative)	-5,883	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	Award	3,055,049	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	AwardD (derivative)	40,350	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	Award	3,055,049	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	AwardD (derivative)	13,490	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	AwardD (derivative)	13,490	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	AwardD (derivative)	40,350	—	n/a (No price was disclosed in the filing)		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-28,977	0.27 USD	$7.8K		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-3,692	0.28 USD	$1K		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-3,693	0.28 USD	$1K		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-28,977	0.27 USD	$7.8K		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-909	0.28 USD	$254.5		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-7,136	0.27 USD	$1.9K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Larimar Therapeutics, Inc.Listing on record	Mar 2, 2026	Buy	1,084,012	5.00 USD	$5.4M	conv 41ClusterUnusual size	SEC
Larimar Therapeutics, Inc.Listing on record	Mar 2, 2026	Buy	1,084,010	5.00 USD	$5.4M	conv 41ClusterUnusual size	SEC
Larimar Therapeutics, Inc.Listing on record	Mar 2, 2026	Buy	831,978	5.00 USD	$4.2M	conv 41ClusterUnusual size	SEC
Larimar Therapeutics, Inc.Listing on record	Mar 2, 2026	Buy	2,000,000	5.00 USD	$10M	conv 52Cluster	SEC
Larimar Therapeutics, Inc.Listing on record	Aug 4, 2025	Buy	2,599,932	3.20 USD	$8.3M	conv 45First in 12mo	SEC
Larimar Therapeutics, Inc.Listing on record	Aug 4, 2025	Buy	3,387,529	3.20 USD	$10.8M	conv 65Unusual sizeFirst in 12mo	SEC
Larimar Therapeutics, Inc.Listing on record	Aug 4, 2025	Buy	3,387,539	3.20 USD	$10.8M	conv 65Unusual sizeFirst in 12mo	SEC
Tessera Defense & Homeland Security Inc.Listing on record	Apr 23, 2025	AwardD (derivative)	1,611,864	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Apr 23, 2025	AwardD (derivative)	1,611,864	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Jul 17, 2024	ExerciseD (derivative)	-5,883	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Jul 17, 2024	Exercise	5,883,000	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Jul 17, 2024	Exercise	5,883,000	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Jul 17, 2024	ExerciseD (derivative)	-5,883	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	Award	3,055,049	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	AwardD (derivative)	40,350	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	Award	3,055,049	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	AwardD (derivative)	13,490	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	AwardD (derivative)	13,490	—	n/a (No price was disclosed in the filing)		SEC
Tessera Defense & Homeland Security Inc.Listing on record	Mar 19, 2024	AwardD (derivative)	40,350	—	n/a (No price was disclosed in the filing)		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-28,977	0.27 USD	$7.8K		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-3,692	0.28 USD	$1K		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-3,693	0.28 USD	$1K		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-28,977	0.27 USD	$7.8K		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-909	0.28 USD	$254.5		SEC
Oncorus, Inc.Listing unverified	Dec 27, 2022	Sell	-7,136	0.27 USD	$1.9K		SEC