Fairmount Funds Management LLC bought KRSA

September 9, 2026 · Form 4 insider transaction

Fairmount Funds Management LLC bought 48,445 shares of Cyclerion Therapeutics, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
48,445
Price
$0.00
Total value
N/A
RoleDirector, 10% owner
SecurityStock Option (Right to Buy)
Transaction codeA: Grant or award
Transaction dateSeptember 9, 2026
Filing dateSeptember 10, 2026
Shares owned after48,445
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

This option represents a right to purchase 48,445 shares of the Issuer's common stock. This option will vest in equal monthly installments through September 9, 2029, subject to the Reporting Person's continued service to the Issuer on each such vesting date.; Fairmount Funds Management LLC ("Fairmount") is the investment manager for Fairmount Healthcare Fund II L.P. ("Fund II") and Fairmount Healthcare Co-Invest VI L.P. ("Co-Invest"). Peter Harwin and Tomas Kiselak are the managers of Fairmount. Under Mr. Kiselak's arrangement with Fairmount, Mr. Kiselak holds the option for one or more investment vehicles managed by Fairmount (each, a "Fairmount Fund"). Mr. Kiselak is obligated to turn over to Fairmount any net cash or stock received from the option for the benefit of such Fairmount Fund. Fairmount, Mr. Harwin, and Mr. Kiselak disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

View the original Form 4 on SEC EDGAR
Fairmount Funds Management LLC bought KRSA: September 9, 2026 | Insider Trading Screener