Cyclerion Therapeutics, Inc.

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

KRSA

organization

SIC: 2834

SEC Insider

$39.7M

158 transactions

Summary

Cyclerion Therapeutics, Inc. (KRSA) is an organization.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: $33.0MSales: $795K23 insiders

Date	Insider	Type	Value
2023-05-19	Hecht Peter M(Chief Executive Officer)	A	$3.0M
2023-05-19	Hecht Peter M(Chief Executive Officer)	A	$2.0M
2024-11-21	Joint reporting: Slate Path Capital LP; Greenspan David Gerald	Sell	$555K
2025-03-25	Hecht Peter M	A	$500K
2025-03-25	Higgins Michael J	A	$25K
2023-08-09	MCGUIRE TERRANCE	Sell	$27.2
2025-08-07	CHICKO RHONDA M.(Chief Financial Officer)	A	$0
2024-08-05	Graul Regina Margaret(See Remarks)	A	$0
2024-01-01	Graul Regina Margaret(President)	A	$0
2024-01-01	Hecht Peter M	A	$0
2023-12-01	Hecht Peter M	A	$0
2023-11-30	Hyman Steven	A	$0
2023-11-30	DESOUZA ERROL B	A	$0
2023-11-30	DESOUZA ERROL B	A	$0
2023-11-30	Hecht Peter M	A	$0
2023-11-30	MCGUIRE TERRANCE	A	$0
2022-07-25	Hyman Steven	A	$0
2022-07-25	Hyman Steven	A	$0
2022-06-14	DESOUZA ERROL B	A	$0
2022-06-14	Isacson Ole	A	$0

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

Cyclerion Therapeutics, Inc. — Contributions, Lobbying & Contracts | Poliscope