CHICKO RHONDA M. bought CYCN

August 14, 2026 · Form 4 insider transaction

CHICKO RHONDA M. bought 25,000 shares of Cyclerion Therapeutics, Inc. at $2.35 per share, a transaction worth $58.9K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Acquired (buy-side)
Shares
25,000
Price
$2.35
Total value
$58.9K
RoleOfficer
SecurityCommon Stock, no par value
Transaction codeM: Option exercise
Transaction dateAugust 14, 2026
Filing dateAugust 18, 2026
Shares owned after25,018
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

The Reporting Person was granted an option on August 7, 2025 to purchase up to 25,000 shares of the Corporation's common stock pursuant to the Issuer's 2019 Equity Incentive Plan. These 25,000 shares provided for vesting as follows: (i) 8,750 shares became immediately exercisable, and (ii) the remaining 16,250 shares were to vest ratably in monthly installments commencing August 31, 2025 and ending on February 28, 2028, provided that the Reporting Person remained as a consultant or employee of Cyclerion Therapeutics, Inc. on such applicable vesting date, subject to certain exemptions. On July 17, 2026, the Issuer's Board of Directors elected to accelerate in full the vesting of all then unvested options for the Reporting Person. The Reporting Person exercised the option in full on August 14, 2026 and paid for the exercise by means of a cash payment to the Issuer for the full purchase price.

View the original Form 4 on SEC EDGAR
CHICKO RHONDA M. bought CYCN: August 14, 2026 | Insider Trading Screener