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ISSUER PROFILE · CIK 0001755237

Cyclerion Therapeutics, Inc.CYCN

2 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
3.39
as of 2026-03-31

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2023-04-03 SC Hecht Peter M view →
2021-06-07 SC Hecht Peter M view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 113,448 3.39 +34.2%
2026-03-13 84,548 1.89 -10.5%
2026-02-27 94,452 2.78 -25.2%
2026-02-13 126,305 1.55 -23.7%
2026-01-30 165,511 1.07 +7.2%
2026-01-15 154,415 1.00 +33.7%
2025-12-31 115,484 4.13 -14.0%
2025-12-15 134,260 2.41 -33.7%

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