Deerfield Mgmt III, L.P.

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 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 ARS Pharmaceuticals, Inc. · on record since Nov 13, 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 Q32 Bio Inc. · on record since Apr 4, 2018
Director at Larimar Therapeutics, Inc. · on record since Jun 8, 2020
Director at Acutus Medical, Inc. · on record since Aug 12, 2020
Director at Oncorus, Inc. · on record since Oct 8, 2020
Director at ARS Pharmaceuticals, Inc. · on record since Nov 10, 2022

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

Transactions on record: 33; since Sep 22, 2015

Open-market buys: 14; $21.9M

Open-market sells: 3; $10M

Companies traded: 6; last filing Jan 28, 2020

Figures computed from official regulatory filings — .

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

Q32 Bio Inc.3 tx · $10M · Jan 28, 2020
Xeris Biopharma Holdings, Inc.6 tx · $11.3M · Jun 27, 2018
Syros Pharmaceuticals, Inc.6 tx · $5M · Jul 6, 2016
Editas Medicine, Inc.5 tx · $1.6M · Feb 8, 2016
6 tx · $181.1K · Oct 26, 2015
7 tx · $3.9M · Sep 22, 2015

Track record of Deerfield Mgmt III, L.P.

Statistical track record

Free

Open-market buys: 14

Last buy: Jun 25, 2018

Win rates and median returns are available with a free account (5 insiders/month).

Transaction history of Deerfield Mgmt III, L.P.

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

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Q32 Bio Inc.	Jan 28, 2020	Sell	-380,256	15.69 USD	$6M	SEC
Q32 Bio Inc.	Jan 28, 2020	Sell	-65,891	15.51 USD	$1M	SEC
Q32 Bio Inc.	Jan 28, 2020	Sell	-193,359	15.77 USD	$3M	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	OtherD (derivative)	-1,557,292	—	—	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	Buy	125,667	15.00 USD	$1.9M	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	OtherD (derivative)	-1,557,292	—	—	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	Buy	624,333	15.00 USD	$9.4M	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	Other	874,333	—	—	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	Other	874,333	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	Other	508,566	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	Buy	280,000	12.50 USD	$3.5M	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	OtherD (derivative)	-1,186,654	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	Other	1,186,654	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	OtherD (derivative)	-508,566	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	Buy	120,000	12.50 USD	$1.5M	SEC
Editas Medicine, Inc.	Feb 8, 2016	OtherD (derivative)	-854,700	—	—	SEC
Editas Medicine, Inc.	Feb 8, 2016	Other	854,700	—	—	SEC
Editas Medicine, Inc.	Feb 8, 2016	Other	854,700	—	—	SEC
Editas Medicine, Inc.	Feb 8, 2016	OtherD (derivative)	-854,700	—	—	SEC
Editas Medicine, Inc.	Feb 8, 2016	Buy	100,000	16.00 USD	$1.6M	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	17,116	3.00 USD	$51.3K	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	975	3.00 USD	$2.9K	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	12,091	3.00 USD	$36.3K	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	975	3.00 USD	$2.9K	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	12,090	3.00 USD	$36.3K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Q32 Bio Inc.	Jan 28, 2020	Sell	-380,256	15.69 USD	$6M	SEC
Q32 Bio Inc.	Jan 28, 2020	Sell	-65,891	15.51 USD	$1M	SEC
Q32 Bio Inc.	Jan 28, 2020	Sell	-193,359	15.77 USD	$3M	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	OtherD (derivative)	-1,557,292	—	—	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	Buy	125,667	15.00 USD	$1.9M	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	OtherD (derivative)	-1,557,292	—	—	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	Buy	624,333	15.00 USD	$9.4M	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	Other	874,333	—	—	SEC
Xeris Biopharma Holdings, Inc.	Jun 27, 2018	Other	874,333	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	Other	508,566	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	Buy	280,000	12.50 USD	$3.5M	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	OtherD (derivative)	-1,186,654	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	Other	1,186,654	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	OtherD (derivative)	-508,566	—	—	SEC
Syros Pharmaceuticals, Inc.	Jul 6, 2016	Buy	120,000	12.50 USD	$1.5M	SEC
Editas Medicine, Inc.	Feb 8, 2016	OtherD (derivative)	-854,700	—	—	SEC
Editas Medicine, Inc.	Feb 8, 2016	Other	854,700	—	—	SEC
Editas Medicine, Inc.	Feb 8, 2016	Other	854,700	—	—	SEC
Editas Medicine, Inc.	Feb 8, 2016	OtherD (derivative)	-854,700	—	—	SEC
Editas Medicine, Inc.	Feb 8, 2016	Buy	100,000	16.00 USD	$1.6M	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	17,116	3.00 USD	$51.3K	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	975	3.00 USD	$2.9K	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	12,091	3.00 USD	$36.3K	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	975	3.00 USD	$2.9K	SEC
ALIMERA SCIENCES INC	Oct 26, 2015	Buy	12,090	3.00 USD	$36.3K	SEC