Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:07ea47cf-443f-406d-e934-89e462ac2188 2026-05-30T08:04:51-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services CLIR: DELLER COLIN JAMES (CEO,DIR) Acquired (JB) 7,001 Shares of CLEARSIGN TECHNOLOGIES CORP for $5.62 on 2/26 urn:uuid:a365cc87-7f23-9105-831d-e18916c515b7 2026-04-27T20:01:12-04:00 CLIR: DELLER COLIN JAMES (CEO,DIR) Disposed (JS) 3,501 Shares of CLEARSIGN TECHNOLOGIES CORP for $5.62 on 2/26 urn:uuid:369e5a2a-e130-9d2f-732e-e7c2a1bb7094 2026-04-27T20:01:12-04:00 CLIR: SILVA GIL TODD (DIR) Bought (B) 2k Shares of CLEARSIGN TECHNOLOGIES CORP for $5.25 on 4/23 urn:uuid:36e15a60-3f43-eeee-e0b3-99885f3a75f2 2026-04-27T20:00:12-04:00 CLIR: SILVA GIL TODD (DIR) Bought (B) 4k Shares of CLEARSIGN TECHNOLOGIES CORP for $4.20 on 3/16-3/17 urn:uuid:ce6131a8-152e-6e08-f083-a5bf036195e4 2026-03-19T19:30:07-04:00 CLIR: DELLER COLIN JAMES (CEO) Disposed (JS) 105,022 Shares of CLEARSIGN TECHNOLOGIES CORP for $0.56 on 2/26 urn:uuid:43a9f0d0-78ce-df82-f044-cbb878b9c77f 2026-03-02T19:01:37-05:00 CLIR: DELLER COLIN JAMES (CEO) Acquired (JB) 210,043 Shares of CLEARSIGN TECHNOLOGIES CORP for $0.00 on 2/26 urn:uuid:6a8f2e08-ad39-c321-bee4-75150f63be30 2026-03-02T19:01:37-05:00 CLIR: HINDS BRENT (CFO) Disposed (JS) 20,761 Shares of CLEARSIGN TECHNOLOGIES CORP for $0.56 on 2/26 urn:uuid:d1176438-aef0-b3bf-1dd6-5de28434c2ca 2026-03-02T19:00:16-05:00 CLIR: HINDS BRENT (CFO) Acquired (JB) 56,645 Shares of CLEARSIGN TECHNOLOGIES CORP for $0.00 on 2/26 urn:uuid:130b85f0-aff4-4449-8833-ee3f2a69fa13 2026-03-02T19:00:16-05:00 CLIR: HINDS BRENT (CFO) Acquired (JB) 16,862 Shares of CLEARSIGN TECHNOLOGIES CORP for $0.00 on 2/20-2/22 urn:uuid:10e3d12c-8f22-21a7-602b-aaf29ba1d18e 2026-02-24T19:00:12-05:00 CLIR: HINDS BRENT (CFO) Disposed (JS) 6,178 Shares of CLEARSIGN TECHNOLOGIES CORP for $0.59 on 2/20-2/22 urn:uuid:5a1c7434-6c25-f07a-32e8-e0786e11ec34 2026-02-24T19:00:12-05:00