Skip to content

CYCN

Cyclerion Therapeutics, Inc.

NASDAQ · Healthcare · Biotechnology · US

$23.52
+0.00%
Ask drillr
0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+42.0%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Aug 18, 2026Graul Regina Margaret · director, officer: See RemarksF-InKind48,629$3.79
Aug 18, 2026CHICKO RHONDA M. · officer: Chief Financial OfficerM-Exempt25,000$2.35
Aug 18, 2026Graul Regina Margaret · director, officer: See RemarksM-Exempt55,849$3.30
Aug 11, 2025CHICKO RHONDA M. · officer: Chief Financial OfficerA-Award25,000$2.35
Mar 27, 2025Hecht Peter M · director, 10 percent owner: A-Award181,818$2.75
Mar 27, 2025Higgins Michael J · directorA-Award9,090$2.75
Nov 25, 2024Slate Path Capital LP · 10 percent ownerSale357,880$1.55
Aug 7, 2024Graul Regina Margaret · director, officer: See RemarksA-Award55,849$3.30
Jan 26, 2024Graul Regina Margaret · officer: PresidentA-Award50,000$0.00
Jan 26, 2024Hecht Peter M · director, 10 percent owner: A-Award15,000$0.00
Dec 4, 2023MCGUIRE TERRANCE · directorA-Award5,000$0.00
Dec 4, 2023DESOUZA ERROL B · directorA-Award30,000$0.00
Dec 4, 2023Hyman Steven · directorA-Award20,000$0.00
Dec 4, 2023Hecht Peter M · director, 10 percent owner: A-Award20,000$0.00
Dec 4, 2023Hecht Peter M · director, 10 percent owner: A-Award15,000$0.00
Dec 4, 2023DESOUZA ERROL B · directorA-Award20,000$0.00
Aug 11, 2023MCGUIRE TERRANCE · directorSale8$3.40
May 22, 2023Hecht Peter M · director, 10 percent owner, officer: Chief Executive OfficerA-Award225,000$8.68
May 22, 2023Hecht Peter M · director, 10 percent owner, officer: Chief Executive OfficerA-Award351,037$0.00
Jul 27, 2022Hyman Steven · directorA-Award57,753$0.78
Jul 26, 2022Hyman Steven · director: A-Award57,753$0.00
Jun 16, 2022Fanucci Marsha · director: A-Award20,000$0.00
Jun 16, 2022Lovell Stephanie · directorA-Award20,000$0.53
Jun 16, 2022CONRADES GEORGE H · directorA-Award20,000$0.53
Jun 16, 2022Isacson Ole · directorA-Award20,000$0.53
Jun 16, 2022DESOUZA ERROL B · directorA-Award20,000$0.53
Jun 16, 2022Mendelsohn Michael · director: A-Award20,000$0.00
Jun 16, 2022MCGUIRE TERRANCE · directorA-Award20,000$0.53
Jan 24, 2022Hecht Peter M · director, officer: Chief Executive OfficerA-Award52,950$1.78
Jan 24, 2022Gault Cheryl · officer: Chief Operating OfficerA-Award135,000$1.21
Institutional positioning

13F filings over the trailing two quarters

New 14Increased 5Reduced 5Sold out 5
FilerActionSharesFiled
Kalehua Capital Management LLCNew Position1,651,350Aug 19, 2026
FMR LLCIncreased649,547Aug 13, 2026
BALYASNY ASSET MANAGEMENT L.P.New Position317,511Aug 14, 2026
ADAR1 Capital Management, LLCNew Position298,757Aug 14, 2026
BRAIDWELL LPNew Position156,890Aug 14, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased84,550May 15, 2026
CITADEL ADVISORS LLCIncreased59,795Sep 2, 2026
GEODE CAPITAL MANAGEMENT, LLCReduced45,850Aug 12, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased30,915Aug 13, 2026
Rangeley Capital, LLCNew Position24,310Aug 14, 2026
HRT FINANCIAL LPNew Position22,054Aug 14, 2026
CITADEL ADVISORS LLCNew Position18,261May 15, 2026
BLACKROCK, INC.Unchanged16,797May 13, 2026
BlackRock, Inc.Unchanged16,797Aug 7, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position16,137May 15, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 18, 2026