Peter Evan Harwin

Director, Cogent Biosciences, Inc.

Companies

Korsana Biosciences, Inc.Board member Sep 10, 2026 to now¹
Damora Therapeutics, Inc.Board member Nov 17, 2025 to now²
CRESCENT BIOPHARMA, INC.Board member Jun 23, 2025 to now³
Jade Biosciences, Inc.Board member May 1, 2025 to now⁴
Zenas BioPharma, Inc.Board member Sep 12, 2024 to now⁵
Oruka Therapeutics, Inc.Board member Sep 6, 2024 to now⁶
Apogee Therapeutics, Inc.Board member Jul 17, 2023 to now⁷
Aeglea BioTherapeuticsBoard member Jun 30, 2023 to now⁸
Cogent Biosciences, Inc.Board member Jul 15, 2020 to now⁹
Viridian Therapeutics, Inc.\DEBoard member Oct 28, 2020 to Jun 28, 2024¹⁰
Magenta TherapeuticsBoard member Sep 13, 2023 to Jan 24, 2024¹¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Oruka Therapeutics, Inc. ORKA2,573,308 shares¹²$190.1M at $73.87Sep 6, 2024
Magenta Therapeutics DNTH1,928,503 shares¹³$139.0M at $72.09Sep 29, 2023
Zenas BioPharma, Inc. ZBIO2,209,025 shares¹⁴$56.2M at $25.45Oct 7, 2025
CRESCENT BIOPHARMA, INC. CBIO2,747,866 shares¹⁵$32.5M at $11.84Dec 4, 2025
Aeglea BioTherapeutics SYRE406,038 shares¹⁶$32.2M at $79.33Apr 25, 2024
Apogee Therapeutics, Inc.51,166 shares¹⁷Jan 22, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Jan 22, 2026Sold 1,750,000 shares at $76.30 of Apogee Therapeutics, Inc.¹⁷
Dec 4, 2025Bought 1,360,000 shares at $13.41 of CRESCENT BIOPHARMA, INC.¹⁵
Oct 7, 2025Bought 316,219 shares at $19.00 of Zenas BioPharma, Inc.¹⁴
Sep 16, 2024Bought 300,000 shares at $17.00 of Zenas BioPharma, Inc.¹⁸
Sep 16, 2024Converted 301,077 shares of Zenas BioPharma, Inc.¹⁸
Sep 16, 2024Converted 709,794 shares of Zenas BioPharma, Inc.¹⁸
Sep 16, 2024Converted 252,890 shares of Zenas BioPharma, Inc.¹⁸
Sep 16, 2024Converted 41,130 shares of Zenas BioPharma, Inc.¹⁸
Apr 25, 2024Exercised options 3,639,680 shares of Aeglea BioTherapeutics¹⁶
Mar 28, 2024Other 55,913 shares of Apogee Therapeutics, Inc.¹⁹
Mar 28, 2024Other 55,913 shares of Apogee Therapeutics, Inc.¹⁹
Jan 29, 2024Other 51,166 shares of Apogee Therapeutics, Inc.²⁰
Jan 29, 2024Other 51,166 shares of Apogee Therapeutics, Inc.²⁰
Jan 29, 2024Other 892,529 shares of Apogee Therapeutics, Inc.²⁰
Sep 29, 2023Bought 24,670 shares at $13.63 of Magenta Therapeutics¹³

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARKorsana Biosciences, Inc., Board member
2
SEC EDGARDamora Therapeutics, Inc., Board member
3
SEC EDGARCRESCENT BIOPHARMA, INC., Board member
4
SEC EDGARJade Biosciences, Inc., Board member
5
SEC EDGARZenas BioPharma, Inc., Board member
6
SEC EDGAROruka Therapeutics, Inc., Board member
7
SEC EDGARApogee Therapeutics, Inc., Board member
8
SEC EDGARAeglea BioTherapeutics, Board member
9
SEC EDGARCogent Biosciences, Inc., Board member
10
SEC EDGARViridian Therapeutics, Inc.\DE, Board member
11
SEC EDGARMagenta Therapeutics, Board member
12
SEC EDGAROruka Therapeutics, Inc. shares after the filing of Sep 6, 2024
13
SEC EDGARMagenta Therapeutics shares after the filing of Sep 29, 2023
14
SEC EDGARZenas BioPharma, Inc. shares after the filing of Oct 7, 2025
15
SEC EDGARCRESCENT BIOPHARMA, INC. shares after the filing of Dec 4, 2025
16
SEC EDGARAeglea BioTherapeutics shares after the filing of Apr 25, 2024
17
SEC EDGARApogee Therapeutics, Inc. shares after the filing of Jan 22, 2026
18
SEC EDGARForm 4 filed Sep 16, 2024
19
SEC EDGARForm 4 filed Apr 1, 2024
20
SEC EDGARForm 4 filed Jan 31, 2024