Korsana Biosciences Inc.

Last updated September 27, 2026

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Organization details

Legal name: Korsana Biosciences Inc.
Former names: Cyclerion Therapeutics, Inc.
Ownership: Public
Status: Active
Sector (GICS): Health Care
SIC code: 2834 — Pharmaceutical Preparations
Jurisdiction of incorporation: Massachusetts
Headquarters city: Waltham
Headquarters state / province: Massachusetts
Headquarters country: United States
Fiscal year end: December
Ticker symbol: KRSA
Primary stock exchange: Nasdaq

Identifiers

SEC CIK: 0001755237
EIN: 83-1895370

Board of directors

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Andrew Gottesdiener · Director
Since 2026
Dina Katabi · Director
Since 2023
Errol B. Desouza · Director
Since 2023
Heidi Henson · Director
Since 2026
Jonathan Violin · Director · See Remarks
Since 2026
Michael J. Higgins · Director
Since 2023
Michelle Patricia Pernice · Director
Since 2026
Nimish P. Shah · Director
Since 2026
Peter Evan Harwin · Director Overboarded
Since 2026
Peter M. Hecht · Director · Chief Executive Officer
Since 2023
Regina Margaret Graul · Director · See Remarks
Since 2024
Steven Hyman · Director
Since 2023
Terrance Mcguire · Director Overboarded
Since 2023
Tomas Kiselak · Director Overboarded
Since 2026

Chief executives

Peter M. Hecht · Chief Executive Officer

Dates unknown

Director election results

Annual meeting of August 26, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

8 of this board's directors also sit on 20 other boards. 19 are in the same sector.

Shared director Other board Same sector +4 more in the list below

Crescent Biopharma Inc. Same sector
via Jonathan Violin, Peter Evan Harwin and Tomas Kiselak
Dianthus Therapeutics Inc. Same sector
via Jonathan Violin, Peter Evan Harwin and Tomas Kiselak
Viridian Therapeutics Inc. Same sector
via Jonathan Violin, Peter Evan Harwin and Tomas Kiselak
Alector Inc. Same sector
via Errol B. Desouza and Terrance Mcguire
Jade Biosciences Inc. Same sector
via Peter Evan Harwin and Tomas Kiselak
Oruka Therapeutics Inc. Same sector
via Peter Evan Harwin and Tomas Kiselak
Spyre Therapeutics Inc. Same sector
via Peter Evan Harwin and Tomas Kiselak
Voyager Therapeutics Inc. Same sector
via Michael J. Higgins and Steven Hyman
Zenas BioPharma Inc. Same sector
via Peter Evan Harwin and Tomas Kiselak
CAMP4 Therapeutics Corporation Same sector
via Michael J. Higgins
Cogent Biosciences Inc. Same sector
via Peter Evan Harwin
Damora Therapeutics Inc. Same sector
via Peter Evan Harwin
Invivyd Inc. Same sector
via Terrance Mcguire
Lisata Therapeutics Inc. Same sector
via Heidi Henson
PepGen Inc. Same sector
via Heidi Henson
Perspective Therapeutics Inc. Same sector
via Heidi Henson
Pulmatrix Inc. Same sector
via Michael J. Higgins
Royalty Pharma plc Same sector
via Errol B. Desouza
Seer Inc.
via Terrance Mcguire
Tectonic Therapeutic Inc. Same sector
via Terrance Mcguire

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months: $0; 0 purchases by 0 insiders
Sold, last 12 months: $0; 0 sales by 0 insiders

Date	Insider	Transaction	Shares	Price	Value
Aug 14, 2026	CHICKO RHONDA M. Officer (Chief Financial Officer)	Option exercise	+25,000	$2.36	$59,000
Aug 14, 2026	Regina Margaret Graul Director, Officer (See Remarks)	Option exercise	+55,849	$3.30	$184,302
Aug 14, 2026	Regina Margaret Graul Director, Officer (See Remarks)	Shares withheld for tax	−48,629	$3.79	$184,304
Jul 16, 2026	Peter M. Hecht Director, 10% owner	Derivative conversion	+351,037	—	—
Mar 25, 2025	Peter M. Hecht Director, 10% owner	Grant or award	+181,818	$2.75	$500,000
Mar 25, 2025	Michael J. Higgins Director	Grant or award	+9,090	$2.75	$24,998
Nov 21, 2024	Greenspan David Gerald 10% owner	Open-market sale	−357,880	$1.55	$554,714
Jan 1, 2024	Peter M. Hecht Director, 10% owner	Grant or award	+15,000	—	—
Jan 1, 2024	Graul Regina Margaret Officer (President)	Grant or award	+50,000	—	—
Dec 1, 2023	Peter M. Hecht Director, 10% owner	Grant or award	+15,000	—	—
Nov 30, 2023	Terrance Mcguire Director	Grant or award	+5,000	—	—
Nov 30, 2023	Peter M. Hecht Director, 10% owner	Grant or award	+20,000	—	—
Nov 30, 2023	Errol B. Desouza Director	Grant or award	+20,000	—	—
Nov 30, 2023	Steven Hyman Director	Grant or award	+20,000	—	—
Nov 30, 2023	Errol B. Desouza Director	Grant or award	+30,000	—	—

Peers

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Questions about Korsana Biosciences Inc.

Who is the CEO of Korsana Biosciences Inc.?

Peter M. Hecht is Korsana Biosciences Inc.'s Chief Executive Officer.

How many directors are on Korsana Biosciences Inc.'s board?

Korsana Biosciences Inc.'s board has 14 directors: Andrew Gottesdiener, Dina Katabi, Errol B. Desouza, Heidi Henson, Jonathan Violin, Michael J. Higgins, Michelle Patricia Pernice, Nimish P. Shah, Peter Evan Harwin, Peter M. Hecht and 4 others.

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