CSTL
CASTLE BIOSCIENCES INCCompany with tickers: CSTL
CIK
1447362
CUSIP
14843C105
Shares Outstanding
29,731,198
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-03-13 | 1,429,011 | 1,394,294 | +34,717 | 3.50 |
| 2026-02-27 | 1,394,294 | 1,359,050 | +35,244 | 2.89 |
| 2026-02-13 | 1,359,050 | 1,514,895 | -155,845 | 3.09 |
| 2026-01-30 | 1,514,895 | 1,532,958 | -18,063 | 4.07 |
| 2026-01-15 | 1,532,958 | 1,507,676 | +25,282 | 4.03 |
| 2025-12-31 | 1,507,676 | 1,722,466 | -214,790 | 5.28 |
| 2025-12-15 | 1,722,466 | 1,835,348 | -112,882 | 3.96 |
| 2025-11-28 | 1,835,348 | 1,641,694 | +193,654 | 3.73 |
| 2025-11-14 | 1,641,694 | 1,547,250 | +94,444 | 2.44 |
| 2025-10-31 | 1,547,250 | 1,608,069 | -60,819 | 6.42 |
| 2025-10-15 | 1,608,069 | 1,554,710 | +53,359 | 5.46 |
| 2025-09-30 | 1,554,710 | 1,795,589 | -240,879 | 4.71 |
| 2025-09-15 | 1,795,589 | 1,518,009 | +277,580 | 4.31 |
| 2025-08-29 | 1,518,009 | 1,288,459 | +229,550 | 3.25 |
| 2025-08-15 | 1,288,459 | 1,398,140 | -109,681 | 1.34 |
| 2025-07-31 | 1,398,140 | 1,412,558 | -14,418 | 3.63 |
| 2025-07-15 | 1,412,558 | 1,598,757 | -186,199 | 4.26 |
| 2025-06-30 | 1,598,757 | 1,250,663 | +348,094 | 3.25 |
| 2025-06-13 | 1,250,663 | 1,256,286 | -5,623 | 2.90 |
| 2025-05-30 | 1,256,286 | 1,245,958 | +10,328 | 3.41 |
| 2025-05-15 | 1,245,958 | 1,513,207 | -267,249 | 1.90 |
| 2025-04-30 | 1,513,207 | 1,463,506 | +49,701 | 3.43 |
| 2025-04-15 | 1,463,506 | 1,671,808 | -208,302 | 4.27 |
| 2025-03-31 | 1,671,808 | 1,755,271 | -83,463 | 5.27 |