CLIR

ClearSign Technologies Corp

Company with tickers: CLIR

CIK

1434524

CUSIP

185064201

Shares Outstanding

6,190,413

Website

https://www.clearsign.com

Investor Relations

https://ir.clearsign.com/

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

18/100

Short interest 0.4% of shares — P31 Days to cover 1.0 — P14 Short-volume trend -15.7% — P9

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-05-29	26,590	26,072	+518	26,958	1.00
2026-05-15	26,072	26,120	-48	18,056	1.44
2026-04-30	26,120	26,031	+89	15,766	1.66
2026-04-15	26,031	45,549	-19,518	109,571	1.00
2026-03-31	45,549	263,955	-218,406	20,065	2.27
2026-03-13	263,955	177,980	+85,975	251,089	1.05
2026-02-27	177,980	162,090	+15,890	48,354	3.68
2026-02-13	162,090	148,329	+13,761	104,928	1.54
2026-01-30	148,329	158,030	-9,701	242,116	1.00
2026-01-15	158,030	155,825	+2,205	197,994	1.00
2025-12-31	155,825	171,348	-15,523	101,677	1.53
2025-12-15	171,348	165,396	+5,952	129,822	1.32
2025-11-28	165,396	260,901	-95,505	82,933	1.99
2025-11-14	260,901	216,873	+44,028	145,199	1.80
2025-10-31	216,873	313,419	-96,546	184,579	1.17
2025-10-15	313,419	419,837	-106,418	392,538	1.00
2025-09-30	419,837	202,817	+217,020	3,820,805	1.00
2025-09-15	202,817	213,724	-10,907	69,086	2.94
2025-08-29	213,724	228,184	-14,460	56,495	3.78
2025-08-15	228,184	201,210	+26,974	66,730	3.42
2025-07-31	201,210	215,545	-14,335	97,253	2.07
2025-07-15	215,545	225,946	-10,401	68,117	3.16
2025-06-30	225,946	221,278	+4,668	43,475	5.20

Showing 1–23 of 23 settlements