CALC — CalciMedica, 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 2023-03-21.
Performance
Technicals
Others in Healthcare
Measured signals that fired on CALC
| date | signal | measured base rate |
|---|---|---|
| 2026-04-27 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 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 |
|---|---|---|---|---|---|
| 2026-06-25 | WILSON ROBERT N Director | Grant or award | 1.2M | 0.80 | 950.0K |
| 2026-06-25 | Middleton Fred A Director | Open-market purchase | 249.0K | 0.80 | 200.0K |
| 2026-06-25 | Leheny A. Rachel CHIEF EXECUTIVE OFFICER | Grant or award | 186.7K | 0.80 | 150.0K |
| 2026-06-25 | Roberts Eric W CHIEF BUSINESS OFFICER | Grant or award | 186.7K | 0.80 | 150.0K |
| 2026-06-25 | Hebbar Sudarshan Chief Medical Officer | Grant or award | 124.5K | 0.80 | 100.0K |
| 2025-09-18 | Roberts Eric W CHIEF BUSINESS OFFICER | Open-market purchase | 2.5K | 3.07 | 7.7K |
| 2025-09-15 | Roberts Eric W CHIEF BUSINESS OFFICER | Open-market purchase | 3.4K | 2.68 | 9.1K |
| 2025-09-12 | Roberts Eric W CHIEF BUSINESS OFFICER | Open-market purchase | 5.0K | 3.12 | 15.6K |
| 2025-09-09 | Roberts Eric W CHIEF BUSINESS OFFICER | Open-market purchase | 2.3K | 3.15 | 7.4K |
| 2025-08-29 | Roberts Eric W CHIEF BUSINESS OFFICER | Open-market purchase | 800 | 2.74 | 2.2K |
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 |
|---|---|---|
| JANE STREET GROUP, LLC | 96.4K | 178.5K |
| VANGUARD CAPITAL MANAGEMENT LLC | 91.3K | 169.1K |
| RENAISSANCE TECHNOLOGIES LLC | 69.2K | 128.1K |
| 180 WEALTH ADVISORS, LLC | 68.3K | 126.5K |
| GEODE CAPITAL MANAGEMENT, LLC | 66.7K | 123.4K |
| Stonehage Fleming Financial Services Holdings Ltd | 29.0K | 53.7K |
| VANGUARD FIDUCIARY TRUST CO | 24.7K | 45.8K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 16.6K | 30.7K |
| STATE STREET CORP | 9.2K | 17.1K |
| TritonPoint Partners, LLC | 8.2K | 15.1K |
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 →
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
- Calcimedica, Inc. (CALC) filed form 8-K · 2026-08-19 · SEC EDGAR
- Calcimedica, Inc. (CALC) filed form 8-K · 2026-08-11 · SEC EDGAR
Ask the AI about CALC
The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.
Everything on this page is live in the terminal.
Charts, filings, insider flow and the AI — open without an account.
Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →