CYCN — Cyclerion Therapeutics, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2019-03-18.
Performance
Technicals
Others in Healthcare
Measured signals that fired on CYCN
| date | signal | measured base rate |
|---|---|---|
| 2026-06-26 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-06-02 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-07 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-01 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-04-01 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-04-01 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-14 | Graul Regina Margaret See Remarks | Shares withheld for tax | 48.6K | 3.79 | 184.3K |
| 2026-08-14 | Graul Regina Margaret See Remarks | Option exercise | 55.8K | 3.30 | 184.3K |
| 2026-08-14 | CHICKO RHONDA M. Chief Financial Officer | Option exercise | 25.0K | 2.35 | 58.9K |
| 2026-07-16 | Hecht Peter M Director | Conversion | 351.0K | — | — |
| 2025-03-25 | Hecht Peter M Director | Grant or award | 181.8K | 2.75 | 500.0K |
| 2025-03-25 | Higgins Michael J Director | Grant or award | 9.1K | 2.75 | 25.0K |
| 2024-11-21 | Slate Path Capital LP | Open-market sale | 357.9K | 1.55 | 554.7K |
| 2024-11-21 | Greenspan David Gerald | Open-market sale | 357.9K | 1.55 | 554.7K |
| 2024-01-01 | Hecht Peter M Director | Grant or award | 15.0K | 0.00 | 0 |
| 2024-01-01 | Graul Regina Margaret President | Grant or award | 50.0K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | 129.8K | 84.5K |
| CITADEL ADVISORS LLC | 28.0K | 18.3K |
| BlackRock, Inc. | 26.0K | 16.8K |
| VANGUARD CAPITAL MANAGEMENT LLC | 24.8K | 16.1K |
| Kovack Advisors, Inc. | 15.5K | 10.0K |
| VANGUARD FIDUCIARY TRUST CO | 11.3K | 7.4K |
| FMR LLC | 7.3K | 4.7K |
| UBS Group AG | 5.3K | 3.4K |
| GROUP ONE TRADING LLC | 295 | 192 |
| OSAIC HOLDINGS, INC. | 201 | 130 |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-18 | 2026-08-14 | on EDGAR ↗ |
| 4 | 2026-08-18 | 2026-08-14 | on EDGAR ↗ |
| SCHEDULE 13G | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G | 2026-08-14 | — | on EDGAR ↗ |
| 425 | 2026-08-12 | — | on EDGAR ↗ |
| 425 | 2026-08-10 | — | on EDGAR ↗ |
| 425 | 2026-08-06 | — | on EDGAR ↗ |
| 10-Q | 2026-08-04 | 2026-06-30 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Cyclerion Therapeutics, Inc. (CYCN) filed form 4 · 2026-08-18 · SEC EDGAR
- Cyclerion Therapeutics, Inc. (CYCN) filed form 4 · 2026-08-18 · SEC EDGAR
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