Company · CIK 0001434524 · SIC 3823 — Industrial Instruments For Measurement, Display, and Control · Nasdaq
ClearSign Technologies Corp · CLIR
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 22, 2026 PForm 4 → | Jul 24, 4:46 pm EDT | John M Pasquesi10% Owner | 500,000 | $3.54 | $1,770,000 | 1,343,477 | +59.3% | |
| Dec 31, 2018 AForm 4 → | Jan 4, 2019, 8:08 pm EST | Robert Thurston Hoffman Sr.Director | 13,153 | — | — | 13,153 | — | plan? late |
| Dec 31, 2018 AForm 4 → | Jan 4, 2019, 8:07 pm EST | Lon E BellDirector | 6,756 | — | — | 381,499 | — | plan? late |
| Dec 31, 2018 AForm 4 → | Jan 4, 2019, 8:07 pm EST | Scott P IsaacsonDirector | 6,756 | — | — | 107,935 | — | plan? late |
| Dec 31, 2018 AForm 4 → | Jan 4, 2019, 8:07 pm EST | Susanne MelineDirector | 6,756 | — | — | 49,249 | — | plan? late |
| Dec 18, 2018 PForm 4 → | Dec 19, 4:06 pm EST | Donald W KendrickChief Technology Officer | 10,000 | $1.14 | $11,400 | 39,233 | +34.2% | plan? |
| Sep 28, 2018 AForm 4 → | Oct 2, 7:00 pm EDT | Susanne MelineDirector | 6,757 | — | — | 42,493 | — | plan? |
| Sep 28, 2018 AForm 4 → | Oct 2, 7:00 pm EDT | Lon E BellDirector | 6,757 | — | — | 374,743 | — | plan? |
| Sep 28, 2018 AForm 4 → | Oct 2, 7:00 pm EDT | Scott P IsaacsonDirector | 6,757 | — | — | 101,179 | — | plan? |
| Sep 28, 2018 AForm 4 → | Oct 2, 6:59 pm EDT | Jeffrey L OttDirector | 6,757 | — | — | 72,497 | — | plan? |
| Jun 29, 2018 AForm 4 → | Jul 3, 3:08 pm EDT | Jeffrey L OttDirector | 13,514 | — | — | 65,740 | — | plan? |
| Jun 29, 2018 AForm 4 → | Jul 3, 3:07 pm EDT | Susanne MelineDirector | 13,514 | — | — | 35,736 | — | plan? |
| Jun 29, 2018 AForm 4 → | Jul 3, 3:05 pm EDT | Scott P IsaacsonDirector | 13,514 | — | — | 94,422 | — | plan? |
| Jun 29, 2018 AForm 4 → | Jul 3, 3:04 pm EDT | Lon E BellDirector | 13,514 | — | — | 367,986 | — | plan? |
| Feb 27, 2018 PForm 4 → | Feb 28, 4:31 pm EST | Stephen E PirnatChief Executive Officer, Director | 10,000 | $2.25 | $22,500 | 113,947 | +9.62% | plan? |
| Feb 27, 2018 PForm 4 → | Feb 28, 4:31 pm EST | Susanne MelineDirector | 22,222 | $2.25 | $50,000 | 22,222 | — | plan? |
| Feb 27, 2018 PForm 4 → | Feb 28, 4:31 pm EST | Brian Grant FikeInterim CFO | 1,000 | $2.25 | $2,250 | 1,000 | — | plan? |
| Feb 27, 2018 PForm 4 → | Feb 28, 4:30 pm EST | Lon E BellDirector | 111,000 | $2.25 | $249,750 | 354,472 | +45.6% | plan? |
| Dec 4, 2017 PForm 4 → | Dec 6, 4:30 pm EST | Donald W KendrickChief Technology Officer | 5,000 | $2.13 | $10,625 | 25,600 | +24.3% | plan? |
| Aug 22, 2017 PForm 4 → | Aug 23, 7:43 pm EDT | Donald W KendrickChief Technology Officer | 5,000 | $2.89 | $14,454 | 20,600 | +32.1% | plan? |
| Aug 21, 2017 PForm 4 → | Aug 22, 4:09 pm EDT | Stephen E PirnatChief Executive Officer, Director | 1,000 | $2.95 | $2,945 | 103,947 | +0.97% | plan? |
| Aug 18, 2017 PForm 4 → | Aug 21, 4:05 pm EDT | Roberto RuizChief Operating Officer | 1,000 | $3.19 | $3,190 | 5,560 | +21.9% | plan? |
| Aug 17, 2017 PForm 4 → | Aug 22, 4:12 pm EDT | Andrew U LeeSee Remarks | 1,000 | $3.20 | $3,195 | 5,800 | +20.8% | plan? late |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:56 pm EST | Donald W KendrickChief Technology Officer | 20,833 | — | — | 29,233 | — | plan? |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:56 pm EST | Scott P IsaacsonDirector | 27,778 | — | — | 80,908 | — | plan? |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:55 pm EST | James N HarmonChief Financial Officer | 20,833 | — | — | 186,841 | — | plan? |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:54 pm EST | Roberto RuizChief Operating Officer | 20,833 | — | — | 27,313 | — | plan? |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:54 pm EST | Stephen E PirnatChief Executive Officer, Director | 52,778 | — | — | 102,947 | — | plan? |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:53 pm EST | Jeffrey L OttDirector | 27,778 | — | — | 52,226 | — | plan? |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:53 pm EST | Andrew U LeeSVP of Business Development | 13,889 | — | — | 19,889 | — | plan? |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:52 pm EST | Joseph ColanninoSenior VP of Engineering | 6,944 | — | — | 16,781 | — | plan? |
| Feb 10, 2017 AForm 4 → | Feb 14, 5:52 pm EST | Lon E BellDirector | 27,778 | — | — | 243,472 | — | plan? |
| Jan 25, 2017 XForm 4/A → | Jan 26, 8:23 pm EST | Donald W KendrickChief Technology Officer | 4,000 | $4.00 | $16,000 | 15,600 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:33 pm EST | Roberto RuizChief Operating Officer | 1,840 | $4.00 | $7,360 | 4,560 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:33 pm EST | Stephen E PirnatChief Executive Officer, Director | 8,361 | $4.00 | $33,444 | 50,169 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:32 pm EST | Jeffrey L OttDirector | 3,462 | $4.00 | $13,848 | 24,448 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:31 pm EST | Andrew U LeeSee Remarks | 1,800 | $4.00 | $7,200 | 4,800 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:30 pm EST | Donald W KendrickSee Remarks | 4,000 | $4.00 | $16,000 | 15,600 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:29 pm EST | Scott P IsaacsonDirector | 8,242 | $4.00 | $32,968 | 53,130 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:28 pm EST | James N HarmonChief Financial Officer | 30,868 | $4.00 | $123,472 | 166,008 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:27 pm EST | Joseph ColanninoSenior VP of Engineering | 10,155 | $4.00 | $40,620 | 35,930 | — | plan? |
| Jan 25, 2017 XForm 4 → | Jan 26, 4:26 pm EST | Lon E BellDirector | 35,336 | $4.00 | $141,344 | 215,694 | — | plan? |
| Dec 31, 2016 AForm 4 → | Jan 3, 2017, 7:10 am EST | Lon E BellDirector | 3,676 | $3.40 | $12,498 | 180,358 | — | plan? |
| Dec 31, 2016 AForm 4 → | Jan 3, 2017, 7:06 am EST | Scott P IsaacsonDirector | 3,676 | $3.40 | $12,498 | 44,888 | — | plan? |
| Dec 31, 2016 AForm 4 → | Jan 3, 2017, 7:04 am EST | Jeffrey L OttDirector | 3,676 | $3.40 | $12,498 | 20,986 | — | plan? |
| Sep 30, 2016 AForm 4 → | Oct 31, 8:09 pm EDT | Jeffrey L OttDirector | 3,676 | $3.40 | $12,498 | 17,310 | — | plan? late |
| Sep 30, 2016 AForm 4 → | Oct 31, 8:09 pm EDT | Scott P IsaacsonDirector | 3,676 | $3.40 | $12,498 | 41,212 | — | plan? late |
| Sep 30, 2016 AForm 4 → | Oct 31, 8:03 pm EDT | Lon E BellDirector | 3,676 | $3.40 | $12,498 | 176,682 | — | plan? late |
| Jun 30, 2016 AForm 4 → | Jun 30, 4:02 pm EDT | Jeffrey L OttDirector | 3,676 | $3.40 | $12,498 | 13,634 | — | plan? |
| Jun 30, 2016 AForm 4 → | Jun 30, 4:02 pm EDT | Scott P IsaacsonDirector | 3,676 | $3.40 | $12,498 | 37,536 | — | plan? |
| Jun 30, 2016 AForm 4 → | Jun 30, 4:01 pm EDT | Lon E BellDirector | 3,676 | $3.40 | $12,498 | 173,006 | — | plan? |
| Mar 31, 2016 AForm 4 → | Mar 31, 4:02 pm EDT | Jeffrey L OttDirector | 3,676 | $3.40 | $12,498 | 9,958 | — | plan? |
| Mar 31, 2016 AForm 4 → | Mar 31, 4:02 pm EDT | Scott P IsaacsonDirector | 3,676 | $3.40 | $12,498 | 33,860 | — | plan? |
| Mar 31, 2016 AForm 4 → | Mar 31, 4:01 pm EDT | Lon E BellDirector | 3,676 | $3.40 | $12,498 | 169,330 | — | plan? |
| Mar 29, 2016 PForm 4 → | Mar 29, 8:00 pm EDT | James N HarmonChief Financial Officer | 10,000 | $3.96 | $39,600 | 16,000 | +167% | plan? |
| Mar 9, 2016 PForm 4 → | Mar 11, 4:01 pm EST | Joseph ColanninoChief Technology Officer | 10,300 | $3.46 | $35,674 | 25,775 | +66.6% | plan? |
| Dec 31, 2015 AForm 4 → | Dec 31, 4:07 pm EST | Jeffrey L OttDirector | 2,094 | $5.97 | $12,501 | 6,282 | — | plan? |
| Dec 31, 2015 AForm 4 → | Dec 31, 4:07 pm EST | Lon E BellDirector | 2,094 | $5.97 | $12,501 | 165,654 | — | plan? |
| Dec 31, 2015 AForm 4 → | Dec 31, 4:06 pm EST | Scott P IsaacsonDirector | 2,094 | $5.97 | $12,501 | 30,184 | — | plan? |
| Dec 15, 2015 SForm 4 → | Dec 17, 9:11 pm EST | BD & DBG LIVING TRUSTDirector | 21,719 | $4.57 | $99,155 | 603,324 | −3.47% | plan? |
| Dec 10, 2015 SForm 4 → | Dec 15, 6:23 pm EST | BD & DBG LIVING TRUSTDirector | 3,281 | $4.90 | $16,081 | 625,043 | −0.52% | plan? late |
| Dec 3, 2015 SForm 4 → | Dec 4, 9:39 pm EST | BD & DBG LIVING TRUSTDirector | 25,482 | $5.03 | $128,148 | 628,324 | −3.90% | plan? |
| Nov 30, 2015 SForm 4 → | Dec 2, 6:48 pm EST | BD & DBG LIVING TRUSTDirector | 20,000 | $5.01 | $100,105 | 653,806 | −2.97% | plan? |
| Nov 30, 2015 PForm 4 → | Dec 2, 4:19 pm EST | Stephen E PirnatChief Executive Officer, Director | 20,000 | $5.08 | $101,579 | 41,808 | +91.7% | plan? |
| Sep 30, 2015 AForm 4 → | Oct 1, 6:01 am EDT | Jeffrey L OttDirector | 2,094 | $5.97 | $12,501 | 4,188 | — | plan? |
| Sep 30, 2015 AForm 4 → | Oct 1, 6:00 am EDT | Scott P IsaacsonDirector | 2,094 | $5.97 | $12,501 | 28,090 | — | plan? |
| Sep 30, 2015 AForm 4 → | Oct 1, 6:00 am EDT | Lon E BellDirector | 2,094 | $5.97 | $12,501 | 163,560 | — | plan? |
| Sep 18, 2015 SForm 4 → | Sep 23, 5:17 pm EDT | BD & DBG LIVING TRUSTDirector | 20,000 | $6.77 | $135,386 | 673,806 | −2.88% | plan? late |
| Jun 30, 2015 AForm 4 → | Jul 1, 6:05 am EDT | Scott P IsaacsonDirector | 2,094 | $5.97 | $12,501 | 25,996 | — | plan? |
| Jun 30, 2015 AForm 4 → | Jul 1, 6:03 am EDT | Jeffrey L OttDirector | 2,094 | $5.97 | $12,501 | 2,094 | — | plan? |
| Jun 30, 2015 AForm 4 → | Jul 1, 6:01 am EDT | Lon E BellDirector | 2,094 | $5.97 | $12,501 | 161,466 | — | plan? |
| Mar 31, 2015 AForm 4 → | Apr 1, 6:00 am EDT | Lon E BellDirector | 2,094 | $5.97 | $12,501 | 159,372 | — | plan? |
| Mar 31, 2015 AForm 4 → | Apr 1, 6:00 am EDT | Scott P IsaacsonDirector | 2,094 | $5.97 | $12,501 | 23,902 | — | plan? |
| Mar 25, 2015 PForm 4 → | Mar 26, 4:10 pm EDT | Andrew U LeeSee Remarks | 3,000 | $4.96 | $14,866 | 4,000 | +300% | plan? |
| Mar 18, 2015 PForm 4 → | Mar 19, 9:00 am EDT | Roberto RuizSr VP - Product Development | 8,100 | $5.86 | $47,446 | 3,800 | — | plan? |
| Feb 10, 2015 PForm 4 → | Feb 12, 3:18 pm EST | Lon E BellDirector | 85,470 | $5.85 | $499,999 | 157,278 | +119% | plan? |
| Feb 5, 2015 SForm 4 → | Feb 9, 1:45 pm EST | Geoffrey D OslerChief Marketing Officer | 50,000 | $5.85 | $292,500 | 425,249 | −10.5% | plan? |
| Dec 8, 2014 SForm 5 → | Jan 8, 2016, 3:32 pm EST | BD & DBG LIVING TRUSTDirector | 348,748 | $5.87 | $2,047,072 | 603,324 | −36.6% | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 AForm 4 → | Jul 2, 7:01 pm EDT | Lou BaseneseDirector | 4,595 | — | — | 4,595 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 7:01 pm EDT | Gil Todd SilvaDirector | 8,682 | — | — | 4,595 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 7:00 pm EDT | Anthony DigiandomenicoDirector | 4,595 | — | — | 4,595 | — | |
| Feb 6, 2019 AForm 4 → | Feb 8, 5:30 pm EST | Stephen Michael SockSVP Business Development | 100,000 | — | — | 120,000 | — | |
| Feb 6, 2019 AForm 4 → | Feb 8, 5:30 pm EST | Donald W KendrickChief Technology Officer | 160,000 | — | — | 265,000 | — | |
| Feb 6, 2019 AForm 4 → | Feb 8, 5:30 pm EST | Brian Grant FikeInterim CFO | 150,000 | — | — | 190,000 | — | |
| Apr 20, 2018 AForm 4 → | Apr 26, 4:37 pm EDT | Roberto RuizChief Operating Officer | 20,000 | — | — | 141,500 | — | late |
| Apr 12, 2018 AForm 4 → | Apr 16, 5:29 pm EDT | Donald W KendrickChief Technology Officer | 30,000 | — | — | 105,000 | — | |
| Apr 12, 2018 AForm 4 → | Apr 16, 5:28 pm EDT | Brian Grant FikeInterim CFO | 25,000 | — | — | 40,000 | — | |
| Jun 27, 2017 AForm 4 → | Jun 28, 6:02 am EDT | Andrew U LeeSee Remarks | 12,000 | — | — | 164,855 | — | |
| Jun 23, 2017 AForm 4 → | Jun 27, 6:05 am EDT | Donald W KendrickChief Technology Officer | 25,000 | — | — | 75,000 | — | |
| Jun 23, 2017 AForm 4 → | Jun 27, 6:04 am EDT | Roberto RuizChief Operating Officer | 10,000 | — | — | 121,500 | — | |
| Jun 23, 2017 AForm 4 → | Jun 27, 6:03 am EDT | Brian Grant FikeSee Remarks | 10,000 | — | — | 15,000 | — | |
| Jun 23, 2017 AForm 4 → | Jun 27, 6:00 am EDT | Joseph ColanninoSee Remarks | 15,000 | — | — | 158,555 | — | |
| Dec 27, 2016 XForm 4/A → | Jan 26, 2017, 8:23 pm EST | Donald W KendrickChief Technology Officer | 8,000 | — | — | 2,600 | — | |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:33 pm EST | Roberto RuizChief Operating Officer | 3,680 | — | — | 760 | — | late |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:33 pm EST | Stephen E PirnatChief Executive Officer, Director | 16,722 | — | — | 8,361 | — | late |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:32 pm EST | Jeffrey L OttDirector | 6,924 | — | — | 3,462 | — | late |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:31 pm EST | Andrew U LeeSee Remarks | 3,600 | — | — | 800 | — | late |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:30 pm EST | Donald W KendrickSee Remarks | 8,000 | — | — | 2,600 | — | late |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:29 pm EST | Scott P IsaacsonDirector | 16,484 | — | — | 8,242 | — | late |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:28 pm EST | James N HarmonChief Financial Officer | 61,736 | — | — | 27,668 | — | late |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:27 pm EST | Joseph ColanninoSenior VP of Engineering | 17,277 | — | — | 10,155 | — | late |
| Dec 27, 2016 XForm 4 → | Jan 26, 2017, 4:26 pm EST | Lon E BellDirector | 70,672 | — | — | 35,336 | — | late |
| Apr 28, 2016 AForm 4 → | Apr 29, 6:47 pm EDT | Joseph ColanninoChief Technology Officer | 12,000 | — | — | 143,555 | — | |
| Apr 28, 2016 AForm 4 → | Apr 29, 6:47 pm EDT | James N HarmonChief Financial Officer | 12,000 | — | — | 34,000 | — | |
| Apr 28, 2016 AForm 4 → | Apr 29, 6:46 pm EDT | Andrew U LeeSVP of Business Development | 12,000 | — | — | 152,855 | — | |
| Apr 28, 2016 AForm 4 → | Apr 29, 6:45 pm EDT | Roberto RuizChief Operating Officer | 50,000 | — | — | 111,500 | — | |
| Apr 28, 2016 AForm 4 → | Apr 29, 6:45 pm EDT | Stephen E PirnatPresident and CEO, Director | 30,000 | — | — | 330,000 | — | |
| Apr 1, 2015 AForm 4 → | Apr 2, 4:21 pm EDT | Roberto RuizSenior VP-Product Development | 20,000 | — | — | 61,500 | — | |
| Apr 1, 2015 AForm 4 → | Apr 2, 4:19 pm EDT | Stephen E PirnatPresident & CEO, Director | 200,000 | — | — | 300,000 | — | |
| Apr 1, 2015 AForm 4 → | Apr 2, 4:17 pm EDT | Geoffrey D OslerChief Marketing Officer | 10,000 | — | — | 106,840 | — | |
| Apr 1, 2015 AForm 4 → | Apr 2, 4:16 pm EDT | Andrew U LeeSVP of Business Development | 12,000 | — | — | 140,855 | — | |
| Apr 1, 2015 AForm 4 → | Apr 2, 4:15 pm EDT | James N HarmonChief Financial Officer | 12,000 | — | — | 22,000 | — | |
| Apr 1, 2015 AForm 4 → | Apr 2, 4:15 pm EDT | Joseph ColanninoChief Technology Officer | 15,000 | — | — | 131,555 | — | |
| Feb 3, 2015 AForm 4 → | Feb 5, 9:17 am EST | Stephen E PirnatPresident and CEO, Director | 100,000 | — | — | 100,000 | — | |
| Feb 13, 2014 AForm 5 → | Apr 1, 2015, 4:28 pm EDT | Richard F RutkowskiFormer Chief Executive Officer | 32,500 | — | — | 172,812 | — | |
| Feb 13, 2014 AForm 5 → | Apr 1, 2015, 4:26 pm EDT | Roberto RuizSr VP - Product Development | 11,500 | — | — | 41,500 | — | |
| Feb 13, 2014 AForm 5 → | Apr 1, 2015, 4:23 pm EDT | Geoffrey D OslerChief Marketing Officer | 16,000 | — | — | 96,840 | — | |
| Feb 13, 2014 AForm 5 → | Apr 1, 2015, 4:21 pm EDT | Andrew U LeeSr VP - Business Development | 21,000 | — | — | 128,855 | — | |
| Feb 13, 2014 AForm 5 → | Apr 1, 2015, 4:18 pm EDT | James N HarmonChief Financial Officer | 10,000 | — | — | 10,000 | — | |
| Feb 13, 2014 AForm 5 → | Apr 1, 2015, 4:16 pm EDT | Joseph ColanninoChief Technology Officer | 21,000 | — | — | 116,555 | — |