// company-profile
Cyclerion Therapeutics, Inc.
CYCNExchangeNasdaqSectorPharmaceutical PreparationsInc.MAFilings13Insiders9
// api This Cyclerion Therapeutics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for CYCN in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Cyclerion Therapeutics, Inc. as of 2026-03-31
Total reported AUM
$237,739
QoQ change
-33.0%
Reporting period
2026-03-31
#1
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
$127,518
83K shares
#2
CITADEL ADVISORS LLC
CIK 1423053
$28,031
18K shares
#3
BlackRock, Inc.
CIK 2012383
$26,035
17K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 7, 2025 | CHICKO RHONDA M. | CYCN | Award | 25,000 | $0.00 | $0K |
| Mar 25, 2025 | Higgins Michael J | CYCN | Award | 9,090 | $2.75 | $25K |
| Mar 25, 2025 | Hecht Peter M | CYCN | Award | 181,818 | $2.75 | $500K |
| Nov 21, 2024 | Slate Path Capital LP | CYCN | Sale | 357,880 | $1.55 | $555K |
| Aug 5, 2024 | Graul Regina Margaret | CYCN | Award | 55,849 | $0.00 | $0K |
11 more transactions hidden
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