← Insider buys

James E Flynn has bought stock on 32 days since Jan 2016

* Director by Deputization, 10% at Larimar Therapeutics, Inc., and 39 other companies

SEC CIK 0001352546 · Filings on SEC.gov ↗

$388.9MBought
$385.4MSold
Mar 2Last buy

James E Flynn's record

3 months after each buy, from the first price a copier could get.

−9.1%Average
−14.9 ptsVs S&P 500
3 of 9Higher

9 buys since 2016 with 3 months of prices.

Companies

Every filing

69 filings since Jan 2016, newest first

LRMRBuy

Larimar Therapeutics, Inc.

* Director by Deputization, 10%

$25.0M+16.0%Mar 2
NUVLSell

Nuvalent, Inc.

Director by Deputization, 10%

$70.9M−4.0%Nov 24
LRMRBuy

Larimar Therapeutics, Inc.

* Director by Deputization, 10%

$30.0M+44.0%Aug 4
SPRYSell

Ars Pharmaceuticals, Inc.

10% owner

$10.1M−5.0%Nov 13
NUVLSell

Nuvalent, Inc.

* Director by Deputization, 10%

$195.5M−10.0%Oct 24
BCAXBuy

Bicara Therapeutics Inc.

Possible Members of 10% Group, 10%

$1.3M+4.0%Sep 17
AHCOSell

Adapthealth Corp.

*Possible Member of 10% Group, 10%

$3.8M−3.0%Mar 12
LRMRBuy

Larimar Therapeutics, Inc.

* Director by Deputization, 10%

$37.5M+25.0%Feb 16
ONCRSell

Oncorus, Inc.

Possible Member of 10% Group, 10%

$88K−11.0%Dec 30
ONCRSell

Oncorus, Inc.

*Possible Member of 10% Group, 10%

$38K−4.0%Dec 21
NUVLBuy

Nuvalent, Inc.

Director by Deputization, 10%

$21.8M+3.0%Nov 7
LRMRBuy

Larimar Therapeutics, Inc.

* Director by Deputization, 10%

$35.0M+191.0%Sep 20
MIRMSell

Mirum Pharmaceuticals, Inc.

* Possible Member of 10% Group, 10%

$962K−1.0%Jun 8
PEPGBuy

Pepgen Inc.

Possible Member of 10% Group, 10%

$5.0M+78.0%May 10
XLOBuy

Xilio Therapeutics, Inc.

Possible Member of 10% Group, 10%

$12.4M+51.0%Oct 28
MIRMSell

Mirum Pharmaceuticals, Inc.

* Possible Member of 10% Group, 10%

$1.6M−3.0%Jul 13
MIRMSell

Mirum Pharmaceuticals, Inc.

* Possible Member of 10% Group, 10%

$1.1M−2.0%Jul 7
LRMRBuy

Larimar Therapeutics, Inc.

* Director by Deputization, 10%

$6.0M+13.0%Jul 2
OMICBuy

Singular Genomics Systems, Inc.

*Possible Member of 10% Group, 10%

$33.0M+20.0%Jun 3
HOWLBuy

Werewolf Therapeutics, Inc.

Possible Member of 10% Group, 10%

$12.8M+46.0%May 4
EWTXBuy

Edgewise Therapeutics, Inc.

Possible Member of 10% Group, 10%

$10.0M+19.0%Mar 30
ONCRBuy

Oncorus, Inc.

*Possible Member of 10% Group, 10%

$5.7M+11.0%Feb 18
TERNBuy

Terns Pharmaceuticals, Inc.

Possible Member of 10% Group, 10%

$11.3M+39.0%Feb 9
LUMOSell

Lumos Pharma, Inc.

*Possible Member of 10% Group, 10%

$3.4M−16.0%Jan 8
GRAYBuy

Graybug Vision, Inc.

*Possible Member of 10% Group, 10%

$25.0M+42.0%Oct 1
AFIBBuy

Acutus Medical, Inc.

Director by Deputization, 10%

$27.0M+53.0%Aug 12
RVMDBuy

Revolution Medicines, Inc.

Possible Member of 10% Group, 10%

$10.2M+40.0%Feb 18
SDGRBuy

Schrodinger, Inc.

Possible Member of 10% Group, 10%

$4.3M+19.0%Feb 10
BDTXBuy

Black Diamond Therapeutics, Inc.

Possible Member of 10% Group, 10%

$7.6M+106.0%Feb 3
FIXXSell

Homology Medicines, Inc.

Possible Member of 10% Group, 10%

$8.0M−11.0%Jan 31
FIXXSell

Homology Medicines, Inc.

Possible Member of 10% Group, 10%

$10.0M−12.0%Jan 28
FIXXSell

Homology Medicines, Inc.

Possible Member of 10% Group, 10%

$7.7M−6.0%Dec 27
FIXXSell

Homology Medicines, Inc.

Possible Member of 10% Group, 10%

$3.6M−3.0%Dec 23
CABABuy

Cabaletta Bio, Inc.

Possible Member of 10% Group, 10%

$7.7M+75.0%Oct 30
FREQBuy

Frequency Therapeutics, Inc.

Possible Member of 10% Group, 10%

$4.0M+30.0%Oct 7
ACRSSell

Aclaris Therapeutics, Inc.

10% owner

$1.9M−15.0%Jul 1
ACRSSell

Aclaris Therapeutics, Inc.

10% owner

$2.1M−9.0%Jun 25
ACRSSell

Aclaris Therapeutics, Inc.

10% owner

$3.8M−10.0%May 13
FIXXBuy

Homology Medicines, Inc.

*Director by Deputization, 10%

$12.0M+10.0%Apr 15
SWAVBuy

Shockwave Medical, Inc.

Possible Member of 10% Group, 10%

$510K+10.0%Mar 11
ARVNBuy

Arvinas Inc.

Possible Member of a 10% Group, 10%

$5.0M+34.0%Oct 1
CNSTBuy

Constellation Pharmaceuticals Inc

Possible Member of 10% Group, 10%

$3.0M+31.0%Jul 23
AVDLSell

Avadel Pharmaceuticals Plc

*Possible member of 10% group, 10%

$683K−3.0%Jun 25
MNKSell

Mallinckrodt Plc

*Possible member of 10% group, 10%

$4.2M−4.0%May 10
FIXXBuy

Homology Medicines, Inc.

*Director by Deputization, 10%

$20.0M+31.0%Apr 4
PRTOBuy

Proteon Therapeutics Inc

*Director by Deputization

$193K+10.0%Dec 4
RYTMBuy

Rhythm Pharmaceuticals, Inc.

Possible Member of 10% Group, 10%

$6.0M+61.0%Oct 10
REPHSell

Recro Pharma, Inc.

Possible Member of 10% Group, 10%

$706K−5.0%Jun 14
REPHSell

Recro Pharma, Inc.

Possible Member of 10% Group, 10%

$444K−3.0%Jun 9
EHTHSell

Ehealth, Inc.

Possible Members of 10% Group, 10%

$5.0M−19.0%Apr 27
About James E Flynn

James E. Flynn is the Managing Partner of Deerfield Management, a leading healthcare-focused investment firm, where he joined in 2000 and assumed leadership in 2005.( Under his direction, Deerfield has expanded into healthcare information via the Deerfield Institute, venture investments, Deerfield Discovery and Development, LLC, the Deerfield Foundation, and a New York City innovation center.( Previously, he was a top-ranked analyst at Furman Selz (ING Barings), Vice President of Corporate Development at Alpharma Inc., and a senior analyst at Kidder, Peabody & Co.(

Flynn serves as Director by Deputization, 10% Owner at Nuvalent, Inc. (NUVL), holding approximately 17 million shares valued over $1.4 billion as of mid-2025, reflecting Deerfield's significant stake.( He holds a BS in Cellular and Molecular Biology and Economics from the University of Michigan and an MS in Biotechnology from Johns Hopkins University, and serves on boards including Mount Sinai Health System and as Chairman of the New York Academy of Medicine.(

Written by Perplexity from public sources.

Filings come from SEC EDGAR. Not investment advice.