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RBCN

Rubicon Technology, Inc.

Company with tickers: RBCN

CIK
1410172
Shares Outstanding
2,410,265

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Short Volume

Date Short Volume Short Exempt Total Volume Short %
2026-06-18 25 0 29 86.2%
2026-06-15 1 0 2 50.0%
2026-06-12 100 0 151 66.2%
2026-06-11 400 0 487 82.1%
2026-06-08 100 0 1,345 7.4%
2026-06-04 227 0 1,627 14.0%
2026-06-03 605 0 2,731 22.2%
2026-06-02 610 0 2,271 26.9%
2026-06-01 193 0 221 87.3%
2026-05-29 2,108 0 4,858 43.4%
2026-05-26 1,490 0 3,127 47.6%
2026-05-21 1,682 0 2,660 63.2%
2026-05-19 1,925 0 1,945 99.0%
2026-05-18 2,225 0 6,725 33.1%
2026-05-15 52,514 0 81,536 64.4%
2026-05-14 7,880 0 25,738 30.6%
2026-05-13 2,725 0 6,522 41.8%
2026-05-12 2,200 0 3,240 67.9%
2026-05-11 11,505 0 35,804 32.1%
2026-05-08 3,999 0 4,450 89.9%
2026-05-07 6,010 0 6,123 98.2%
2026-05-06 6,000 0 7,279 82.4%
2026-05-04 19 0 25 76.0%
2026-04-29 1,000 0 1,001 99.9%
2026-04-24 150 0 1,399 10.7%
2026-04-23 52 0 62 83.9%
2026-04-22 1,286 0 3,344 38.5%
2026-04-17 200 0 253 79.1%
2026-04-16 10,001 0 13,905 71.9%
2026-04-15 5,000 0 10,007 50.0%
2026-04-14 4,800 0 5,004 95.9%
2026-04-08 200 0 725 27.6%
Showing 1–32 of 32 days