Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Clearsign Technologies Corp (CLIR) since 2012 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Clearsign Technologies Corp. Table 2 shows the detailed insider transactions. This company's CIK number is 1434524.
Total stock buying since 2012: $5,350,638.
Total stock sales since 2012: $1,681,913.
Total stock option exercises since 2012: $116,437.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 0 | $0 | 17,674 | $0 |
| 2024 | 3,350,000 | $3,048,500 | 0 | $0 | 12,753 | $0 |
| 2022 | 1,636,594 | $639,289 | 0 | $0 | 0 | $0 |
| 2020 | 40,000 | $80,000 | 0 | $0 | 0 | $0 |
| 2019 | 110,000 | $110,600 | 0 | $0 | 0 | $0 |
| 2018 | 154,222 | $335,898 | 0 | $0 | 0 | $0 |
| 2017 | 13,000 | $34,410 | 0 | $0 | 0 | $0 |
| 2016 | 20,300 | $75,274 | 0 | $0 | 0 | $0 |
| 2015 | 116,570 | $663,778 | 140,482 | $771,375 | 0 | $0 |
| 2014 | 11,300 | $72,151 | 107,304 | $910,538 | 36,677 | $116,437 |
| 2012 | 72,075 | $290,738 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-02 | 0 | $0 | 0 | $0 | 17,674 | $0 |
| 2024-06 | 3,350,000 | $3,048,500 | 0 | $0 | 0 | $0 |
| 2024-05 | 0 | $0 | 0 | $0 | 2,627 | $0 |
| 2024-02 | 0 | $0 | 0 | $0 | 10,126 | $0 |
| 2022-07 | 1,591,594 | $588,889 | 0 | $0 | 0 | $0 |
| 2022-06 | 45,000 | $50,400 | 0 | $0 | 0 | $0 |
| 2020-08 | 40,000 | $80,000 | 0 | $0 | 0 | $0 |
| 2019-05 | 100,000 | $101,200 | 0 | $0 | 0 | $0 |
| 2019-03 | 10,000 | $9,400 | 0 | $0 | 0 | $0 |
| 2018-12 | 10,000 | $11,399 | 0 | $0 | 0 | $0 |
| 2018-02 | 144,222 | $324,499 | 0 | $0 | 0 | $0 |
| 2017-12 | 5,000 | $10,625 | 0 | $0 | 0 | $0 |
| 2017-08 | 8,000 | $23,785 | 0 | $0 | 0 | $0 |
| 2016-03 | 20,300 | $75,274 | 0 | $0 | 0 | $0 |
| 2015-12 | 9,364 | $48,505 | 60,482 | $293,491 | 0 | $0 |
| 2015-11 | 10,636 | $53,073 | 10,000 | $50,000 | 0 | $0 |
| 2015-09 | 0 | $0 | 20,000 | $135,384 | 0 | $0 |
| 2015-03 | 11,100 | $62,201 | 0 | $0 | 0 | $0 |
| 2015-02 | 85,470 | $499,999 | 50,000 | $292,500 | 0 | $0 |
| 2014-12 | 5,400 | $38,340 | 16,866 | $135,461 | 0 | $0 |
| 2014-11 | 900 | $7,011 | 4,398 | $35,184 | 0 | $0 |
| 2014-10 | 0 | $0 | 0 | $0 | 8,338 | $40,688 |
| 2014-09 | 5,000 | $26,800 | 0 | $0 | 3,500 | $7,700 |
| 2014-08 | 0 | $0 | 35,466 | $296,608 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-02-24 | Hinds Brent (Chief Financial Officer) | Option Ex | 7,547 | .00 | 0 |
| 2025-02-02 | Hinds Brent (Chief Financial Officer) | Option Ex | 10,127 | .00 | 0 |
| 2024-06-24 | Princeton Opportunity Management Llc | Buy | 3,350,000 | .91 | 3,048,500 |
| 2024-05-20 | Hinds Brent (Chief Financial Officer) | Option Ex | 2,627 | .00 | 0 |
| 2024-02-02 | Hinds Brent (Chief Financial Officer) | Option Ex | 10,126 | .00 | 0 |
| 2022-07-08 | Princeton Opportunity Management Llc (10% Owner) | Buy | 1,591,594 | .37 | 588,889 |
| 2022-06-14 | Pate Bruce Alan | Buy | 45,000 | 1.12 | 50,400 |
| 2020-08-24 | Pate Bruce Alan | Buy | 35,000 | 2.00 | 70,000 |
| 2020-08-24 | Meline Susanne | Buy | 5,000 | 2.00 | 10,000 |
| 2019-05-17 | Pate Bruce Alan | Buy | 100,000 | 1.01 | 101,200 |
| 2019-03-19 | Kendrick Donald W (Chief Technology Officer) | Buy | 10,000 | .94 | 9,400 |
| 2018-12-18 | Kendrick Donald W (Chief Technology Officer) | Buy | 10,000 | 1.14 | 11,399 |
| 2018-02-27 | Meline Susanne | Buy | 22,222 | 2.25 | 49,999 |
| 2018-02-27 | Fike Brian Grant (Interim CFO) | Buy | 1,000 | 2.25 | 2,250 |
| 2018-02-27 | Pirnat Stephen E (Chief Executive Officer) | Buy | 10,000 | 2.25 | 22,500 |
| 2018-02-27 | Bell Lon E | Buy | 111,000 | 2.25 | 249,750 |
| 2017-12-04 | Kendrick Donald W (Chief Technology Officer) | Buy | 5,000 | 2.12 | 10,625 |
| 2017-08-22 | Kendrick Donald W (Chief Technology Officer) | Buy | 5,000 | 2.89 | 14,455 |
| 2017-08-21 | Pirnat Stephen E (Chief Executive Officer) | Buy | 1,000 | 2.94 | 2,945 |
| 2017-08-18 | Ruiz Roberto (Chief Operating Officer) | Buy | 1,000 | 3.19 | 3,190 |
| 2017-08-17 | Lee Andrew U (See Remarks) | Buy | 1,000 | 3.19 | 3,195 |
| 2016-03-29 | Harmon James N (Chief Financial Officer) | Buy | 10,000 | 3.96 | 39,600 |
| 2016-03-10 | Colannino Joseph (Chief Technology Officer) | Buy | 8,200 | 3.49 | 28,618 |
| 2016-03-09 | Colannino Joseph (Chief Technology Officer) | Buy | 2,100 | 3.36 | 7,056 |
| 2015-12-17 | Bd & Dbg Living Trust | Sale | 10,000 | 4.59 | 45,950 |
| 2015-12-16 | Bd & Dbg Living Trust | Sale | 8,834 | 4.55 | 40,159 |
| 2015-12-15 | Bd & Dbg Living Trust | Sale | 2,885 | 4.52 | 13,040 |
| 2015-12-11 | Bd & Dbg Living Trust | Sale | 300 | 4.91 | 1,473 |
| 2015-12-10 | Bd & Dbg Living Trust | Sale | 2,981 | 4.90 | 14,606 |
| 2015-12-04 | Bd & Dbg Living Trust | Sale | 11,100 | 5.01 | 55,611 |
| 2015-12-03 | Bd & Dbg Living Trust | Sale | 14,382 | 5.04 | 72,542 |
| 2015-12-01 | Pirnat Stephen E (Chief Executive Officer) | Buy | 9,364 | 5.18 | 48,505 |
| 2015-12-01 | Bd & Dbg Living Trust | Sale | 10,000 | 5.01 | 50,110 |
| 2015-11-30 | Pirnat Stephen E (Chief Executive Officer) | Buy | 10,636 | 4.99 | 53,073 |
| 2015-11-30 | Bd & Dbg Living Trust | Sale | 10,000 | 5.00 | 50,000 |
| 2015-09-23 | Bd & Dbg Living Trust | Sale | 8,400 | 7.36 | 61,824 |
| 2015-09-22 | Bd & Dbg Living Trust | Sale | 1,600 | 7.35 | 11,760 |
| 2015-09-18 | Bd & Dbg Living Trust | Sale | 10,000 | 6.18 | 61,800 |
| 2015-03-25 | Lee Andrew U (See Remarks) | Buy | 3,000 | 4.96 | 14,865 |
| 2015-03-18 | Ruiz Roberto (Sr VP - Product Development) | Buy | 8,100 | 5.84 | 47,336 |
| 2015-02-10 | Bell Lon E | Buy | 85,470 | 5.85 | 499,999 |
| 2015-02-05 | Osler Geoffrey D (Chief Marketing Officer) | Sale | 50,000 | 5.85 | 292,500 |
| 2014-12-30 | Harmon James N (See Remarks) | Buy | 5,400 | 7.10 | 38,340 |
| 2014-12-05 | Bd & Dbg Living Trust | Sale | 3,100 | 8.04 | 24,923 |
| 2014-12-04 | Bd & Dbg Living Trust | Sale | 13,700 | 8.03 | 110,010 |
| 2014-12-01 | Bd & Dbg Living Trust | Sale | 66 | 8.00 | 528 |
| 2014-11-28 | Bd & Dbg Living Trust | Sale | 2,134 | 8.00 | 17,072 |
| 2014-11-26 | Bd & Dbg Living Trust | Sale | 2,264 | 8.00 | 18,112 |
| 2014-11-25 | Ruiz Roberto (Sr VP - Product Development) | Buy | 900 | 7.79 | 7,011 |
| 2014-10-23 | Harmon James N (Chief Financial Officer) | Option Ex | 7,504 | 4.88 | 36,619 |
| 2014-10-15 | Harmon James N (Chief Financial Officer) | Option Ex | 834 | 4.88 | 4,069 |
| 2014-09-25 | Osler Geoffrey D (Chief Marketing Officer) | Option Ex | 3,500 | 2.20 | 7,700 |
| 2014-09-24 | Rutkowski Richard F (Chief Executive Officer) | Buy | 5,000 | 5.36 | 26,800 |
| 2014-08-26 | Osler Geoffrey D (Chief Marketing Officer) | Sale | 1,793 | 8.15 | 14,612 |
| 2014-08-25 | Osler Geoffrey D (Chief Marketing Officer) | Sale | 10,307 | 8.36 | 86,166 |
| 2014-08-22 | Osler Geoffrey D (Chief Marketing Officer) | Sale | 6,700 | 8.38 | 56,146 |
| 2014-08-20 | Bd & Dbg Living Trust | Sale | 3,800 | 8.90 | 33,823 |
| 2014-08-19 | Bd & Dbg Living Trust | Sale | 12,700 | 8.23 | 104,533 |
| 2014-08-01 | Bd & Dbg Living Trust | Sale | 166 | 8.00 | 1,328 |
| 2014-07-16 | Rutkowski Richard F (Chief Executive Officer) | Option Ex | 10,000 | 2.20 | 22,000 |
| 2014-07-10 | Colannino Joseph (Chief Technology Officer) | Option Ex | 2,300 | 2.20 | 5,060 |
| 2014-07-03 | Colannino Joseph (Chief Technology Officer) | Option Ex | 7,537 | 2.20 | 16,581 |
| 2014-07-01 | Bd & Dbg Living Trust | Sale | 16,666 | 8.98 | 149,677 |
| 2014-07-01 | Harmon James N (Chief Financial Officer) | Option Ex | 1,667 | 4.88 | 8,134 |
| 2014-06-20 | Osler Geoffrey D (Chief Marketing Officer) | Sale | 576 | 10.00 | 5,760 |
| 2014-06-02 | Bd & Dbg Living Trust | Sale | 16,666 | 8.34 | 138,961 |
| 2014-05-28 | Bd & Dbg Living Trust | Sale | 4,771 | 8.84 | 42,166 |
| 2014-05-27 | Bd & Dbg Living Trust | Sale | 11,895 | 8.97 | 106,721 |
| 2014-01-22 | Harmon James N (Chief Financial Officer) | Option Ex | 3,335 | 4.88 | 16,274 |
| 2012-12-05 | Lee Andrew U (SVP of Business Development) | Buy | 1,000 | 4.70 | 4,700 |
| 2012-11-30 | Harmon James N (CHIEF FINANCIAL OFFICER) | Buy | 300 | 5.11 | 1,533 |
| 2012-11-29 | Colannino Joseph (CHIEF TECHNOLOGY OFFICER) | Buy | 925 | 5.15 | 4,763 |
| 2012-11-29 | Harmon James N (CHIEF FINANCIAL OFFICER) | Buy | 300 | 5.14 | 1,542 |
| 2012-04-25 | Colannino Joseph (CHIEF TECHNOLOGY OFFICER) | Buy | 14,550 | 4.00 | 58,200 |
| 2012-04-25 | Lee Andrew U (SVP of Business Development) | Buy | 5,000 | 4.00 | 20,000 |
| 2012-04-25 | Bell Lon E | Buy | 50,000 | 4.00 | 200,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of CLIR listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Clearsign Technologies Corp (symbol CLIR, CIK number 1434524) see the Securities and Exchange Commission (SEC) website.