Insider Trading activities of Clearsign Combustion Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Clearsign Combustion Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Clearsign Combustion Corp since year 2005. Table 2 shows the detailed insider transactions of Clearsign Combustion Corp since 2005. The reporting company's ticker symbol is CLIR. The reporting company's CIK number is 1434524.
The total value of stock buying since 2005 is $1,460,850.
The total value of stock sales since 2005 is $1,681,913.
The total value of stock option exercises since 2005 is $116,437.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Clearsign Combustion Corp (CLIR).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
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
2014-07 0 $0 16,666 $149,677 21,504 $51,775
2014-06 0 $0 17,242 $144,721 0 $0
2014-05 0 $0 16,666 $148,887 0 $0
2014-01 0 $0 0 $0 3,335 $16,274
2012-12 1,000 $4,700 0 $0 0 $0
2012-11 1,525 $7,838 0 $0 0 $0
2012-04 69,550 $278,200 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Clearsign Combustion Corp insiders (CLIR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
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 Combustion Corp (symbol CLIR, CIK number 1434524) see the Securities and Exchange Commission (SEC) website.