ClearSign Technologies Corp ($CLIR) Insider Transactions

Last updated: 2026-04-03 13:06 UTC | Total transactions: 81

In the last 12 months, insiders at ClearSign Technologies Corp ($CLIR) filed 81 transactions with the SEC: 5 open-market purchases totaling $3,065,611 and 0 sales totaling $0. Net insider sentiment: net buying.

ClearSign Technologies Corp operates in the Industrial instruments for measurement, display, and control industry (Industrial Applications and Services sector).

Most Active Insiders

View all SEC Filings for ClearSign Technologies Corp (CLIR).

Set Up your own filters →

Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 31, 2026 Silva Gil Todd Director A Non-Statutory Stock Options 3024 $0.00 3,024.0000 55,217,968 9999.99% 0.01%
March 31, 2026 DIGIANDOMENICO ANTHONY Director A Non-Statutory Stock Options 3024 $0.00 3,024.0000 55,217,968 9999.99% 0.01%
March 31, 2026 Basenese Lou Director A Non-Statutory Stock Options 3024 $0.00 3,024.0000 55,217,968 9999.99% 0.01%
March 31, 2026 Silva Gil Todd Director A Restricted Stock Units 3440 $0.00 123,909.0000 55,217,968 2.86% 0.01%
March 17, 2026 Silva Gil Todd Director P Common Stock 2000 $4.20 4,000.0000 55,217,968 100.00% 0.00%
March 16, 2026 Silva Gil Todd Director P Common Stock 2000 $4.36 2,000.0000 55,217,968 9999.99% 0.00%
Feb. 26, 2026 Deller Colin James Chief Executive Officer A Common Stock 210043 $0.00 381,896.0000 55,217,968 122.22% 0.38%
Feb. 26, 2026 Deller Colin James Chief Executive Officer F Common Stock 105022 $0.56 276,874.0000 55,217,968 27.50% 0.19%
Feb. 26, 2026 Hinds Brent Chief Financial Officer A Common Stock 56645 $0.00 191,585.0000 55,217,968 41.98% 0.10%
Feb. 26, 2026 Hinds Brent Chief Financial Officer F Common Stock 20761 $0.56 170,824.0000 55,217,968 10.84% 0.04%
Feb. 26, 2026 Hinds Brent Chief Financial Officer A Restricted Stock Unit 47009 $0.00 47,009.0000 55,217,968 9999.99% 0.09%
Feb. 20, 2026 Hinds Brent Chief Financial Officer M Common Stock 9315 $0.00 133,571.0000 55,217,968 7.50% 0.02%
Feb. 20, 2026 Hinds Brent Chief Financial Officer F Common Stock 3413 $0.59 130,158.0000 55,217,968 2.56% 0.01%
Feb. 22, 2026 Hinds Brent Chief Financial Officer F Common Stock 2765 $0.59 134,940.0000 55,217,968 2.01% 0.01%
Feb. 20, 2026 Hinds Brent Chief Financial Officer M Restricted Stock Unit 9315 $0.00 18,631.0000 55,217,968 33.33% 0.02%
Feb. 22, 2026 Hinds Brent Chief Financial Officer M Restricted Stock Unit 7547 $0.00 7,547.0000 55,217,968 50.00% 0.01%
Feb. 22, 2026 Hinds Brent Chief Financial Officer M Common Stock 7547 $0.00 137,705.0000 55,217,968 5.80% 0.01%
Feb. 2, 2026 Hinds Brent Chief Financial Officer M Restricted Stock Unit 10127 $0.00 10,127.0000 55,217,968 50.00% 0.02%
Feb. 2, 2026 Hinds Brent Chief Financial Officer M Common Stock 10127 $0.00 127,967.0000 55,217,968 8.59% 0.02%
Feb. 2, 2026 Hinds Brent Chief Financial Officer F Common Stock 3711 $0.60 124,256.0000 55,217,968 2.90% 0.01%
Oct. 1, 2025 Silva Gil Todd Director A Restricted Stock Units 26830 $0.00 120,469.0000 55,217,968 28.65% 0.05%
Oct. 1, 2025 Basenese Lou Director A Restricted Stock Units 24621 $0.00 70,266.0000 55,217,968 53.94% 0.04%
July 1, 2025 Basenese Lou Director A Restricted Stock Units 34722 $0.00 45,645.0000 55,217,968 317.88% 0.06%
July 1, 2025 Maley David M Director A Restricted Stock Units 9452 $0.00 105,443.0000 55,217,968 9.85% 0.02%
July 1, 2025 de Lacy Catharine Director A Restricted Stock Units 32175 $0.00 218,957.0000 55,217,968 17.23% 0.06%
July 1, 2025 Schrecker Judith S Director A Restricted Stock Units 46296 $0.00 431,957.0000 55,217,968 12.00% 0.08%
July 1, 2025 Silva Gil Todd Director A Restricted Stock Units 32638 $0.00 93,639.0000 55,217,968 53.50% 0.06%
May 22, 2025 Basenese Lou Director A Restricted Stock Units 10923 $0.00 10,923.0000 54,995,981 9999.99% 0.02%
April 1, 2025 Silva Gil Todd Director A Restricted Stock Units 19369 $0.00 61,001.0000 54,995,981 46.52% 0.04%
April 1, 2025 Maley David M Director A Restricted Stock Units 23728 $0.00 95,991.0000 54,995,981 32.84% 0.04%
April 1, 2025 de Lacy Catharine Director A Restricted Stock Units 24857 $0.00 186,782.0000 54,995,981 15.35% 0.05%
April 1, 2025 Schrecker Judith S Director A Restricted Stock Units 33735 $0.00 385,661.0000 54,995,981 9.59% 0.06%
Feb. 24, 2025 Hinds Brent Chief Financial Officer F Common Stock 2636 $0.80 117,840.0000 48,935,988 2.19% 0.01%
Feb. 24, 2025 Hinds Brent Chief Financial Officer M Restricted Stock Unit 7547 $0.00 15,094.0000 48,935,988 33.33% 0.02%
Feb. 24, 2025 Hinds Brent Chief Financial Officer M Common Stock 7547 $0.00 120,476.0000 48,935,988 6.68% 0.02%
Feb. 20, 2025 Deller Colin James Chief Executive Officer F Common Stock 49846 $0.86 171,853.0000 48,935,988 22.48% 0.10%
Feb. 20, 2025 Hinds Brent Chief Financial Officer A Common Stock 51176 $0.00 131,686.0000 48,935,988 63.56% 0.10%
Feb. 20, 2025 Hinds Brent Chief Financial Officer F Common Stock 18757 $0.86 112,929.0000 48,935,988 14.24% 0.04%
Feb. 20, 2025 Hinds Brent Chief Financial Officer A Restricted Stock Unit 27946 $0.00 27,946.0000 48,935,988 9999.99% 0.06%
Feb. 20, 2025 Deller Colin James Chief Executive Officer A Common Stock 100393 $0.00 221,699.0000 48,935,988 82.76% 0.21%
May 20, 2024 Hinds Brent Chief Financial Officer F Common Stock 963 $0.78 74,095.0000 38,848,098 1.28% 0.00%
May 20, 2024 Hinds Brent Chief Financial Officer M Common Stock 2627 $0.00 75,058.0000 38,848,098 3.63% 0.01%
Feb. 2, 2025 Hinds Brent Chief Financial Officer M Common Stock 10127 $0.00 84,222.0000 48,935,988 13.67% 0.02%
Feb. 2, 2025 Hinds Brent Chief Financial Officer F Common Stock 3712 $1.20 80,510.0000 48,935,988 4.41% 0.01%
May 20, 2024 Hinds Brent Chief Financial Officer M Restricted Stock Unit 2627 $0.00 0.0000 38,848,098 100.00% 0.01%
Feb. 2, 2025 Hinds Brent Chief Financial Officer M Restricted Stock Unit 10127 $0.00 10,127.0000 48,935,988 50.00% 0.02%
Jan. 2, 2025 Maley David M Director A Restricted Stock Units 13219 $0.00 72,263.0000 48,935,988 22.39% 0.03%
Jan. 2, 2025 de Lacy Catharine Director A Restricted Stock Units 13848 $0.00 161,925.0000 48,935,988 9.35% 0.03%
Jan. 2, 2025 Silva Gil Todd Director A Restricted Stock Units 10791 $0.00 41,632.0000 48,935,988 34.99% 0.02%
Jan. 2, 2025 Schrecker Judith S Director A Restricted Stock Units 18794 $0.00 351,926.0000 48,935,988 5.64% 0.04%
Oct. 1, 2024 de Lacy Catharine Director A Restricted Stock Units 23712 $0.00 148,077.0000 47,312,810 19.07% 0.05%
Oct. 1, 2024 Silva Gil Todd Director A Restricted Stock Units 18477 $0.00 30,841.0000 47,312,810 149.44% 0.04%
Oct. 1, 2024 Schrecker Judith S Director A Restricted Stock Units 32181 $0.00 333,132.0000 47,312,810 10.69% 0.07%
Oct. 1, 2024 Maley David M Director A Restricted Stock Units 22634 $0.00 59,044.0000 47,312,810 62.16% 0.05%
Aug. 1, 2024 Silva Gil Todd Director A Restricted Stock Units 12364 $0.00 12,364.0000 47,312,810 9999.99% 0.03%
July 1, 2024 Schrecker Judith S Director A Restricted Stock Units 29684 $0.00 300,951.0000 47,312,810 10.94% 0.06%
July 1, 2024 de Lacy Catharine Director A Restricted Stock Units 21872 $0.00 124,365.0000 47,312,810 21.34% 0.05%
July 1, 2024 Maley David M Director A Restricted Stock Units 22001 $0.00 36,410.0000 47,312,810 152.69% 0.05%
June 24, 2024 HOFFMAN Robert Thurston Sr TenPercentOwner P Redeemable Warrants to Purchase Common Stock 7039500 $0.01 7,039,500.0000 38,848,098 9999.99% 18.12%
June 24, 2024 HOFFMAN Robert Thurston Sr TenPercentOwner P Common Stock 3350000 $0.91 9,887,840.0000 38,848,098 51.24% 8.62%
June 24, 2024 HOFFMAN Robert Thurston Sr TenPercentOwner P Pre-Funded Warrants to Purchase Common Stock 1343000 $0.91 1,343,000.0000 38,848,098 9999.99% 3.46%
April 23, 2024 Maley David M Director A Restricted Stock Units 14409 $0.00 14,409.0000 38,848,098 9999.99% 0.04%
Feb. 22, 2024 Hinds Brent Chief Financial Officer A Restricted Stock Unit 22641 $0.00 22,641.0000 38,500,933 9999.99% 0.06%
April 1, 2024 HOFFMAN Robert Thurston Sr Director A Restricted Stock Units 20408 $0.00 224,311.0000 38,848,098 10.01% 0.05%
April 1, 2024 de Lacy Catharine Director A Restricted Stock Units 19642 $0.00 102,493.0000 38,848,098 23.71% 0.05%
April 1, 2024 Schrecker Judith S Director A Restricted Stock Units 26658 $0.00 271,267.0000 38,848,098 10.90% 0.07%
Feb. 2, 2023 Hinds Brent Chief Financial Officer F Common Stock 21673 $0.79 37,462.0000 35,338,712 36.65% 0.06%
Feb. 22, 2024 Deller Colin James Chief Executive Officer A Common Stock 131121 $0.00 186,408.0000 38,500,933 237.16% 0.34%
Feb. 22, 2024 Deller Colin James Chief Executive Officer F Common Stock 65102 $1.06 121,306.0000 38,500,933 34.92% 0.17%
Feb. 2, 2023 Deller Colin James Chief Executive Officer F Common Stock 54519 $0.79 55,287.0000 35,338,712 49.65% 0.15%
Feb. 22, 2024 Hinds Brent Chief Financial Officer A Common Stock 45075 $0.00 88,951.0000 38,500,933 102.73% 0.12%
Feb. 22, 2024 Hinds Brent Chief Financial Officer F Common Stock 16520 $1.06 72,431.0000 38,500,933 18.57% 0.04%
Feb. 22, 2024 Hinds Brent Chief Financial Officer A Restricted Stock Unit 7547 $0.00 7,547.0000 38,500,933 9999.99% 0.02%
Feb. 22, 2024 Hinds Brent Chief Financial Officer A Restricted Stock Unit 2627 $0.00 2,627.0000 38,500,933 9999.99% 0.01%
Feb. 2, 2024 Hinds Brent Chief Financial Officer M Common Stock 10126 $0.00 69,261.0000 38,500,933 17.12% 0.03%
Feb. 2, 2024 Hinds Brent Chief Financial Officer M Restricted Stock Unit 10126 $0.00 20,254.0000 38,500,933 33.33% 0.03%
Feb. 2, 2024 Hinds Brent Chief Financial Officer F Common Stock 3712 $1.01 65,549.0000 38,500,933 5.36% 0.01%
Feb. 1, 2024 HOFFMAN Robert Thurston Sr Director J Common Stock (CLIR) 1269705 $0.00 6,300,376.0000 38,500,933 16.77% 3.30%
Jan. 2, 2024 Schrecker Judith S Director A Restricted Stock Units 24415 $0.00 244,609.0000 38,500,933 11.09% 0.06%
Jan. 2, 2024 HOFFMAN Robert Thurston Sr Director A Restricted Stock Units 18691 $0.00 203,903.0000 38,500,933 10.09% 0.05%
Jan. 2, 2024 de Lacy Catharine Director A Restricted Stock Units 17990 $0.00 82,851.0000 38,500,933 27.74% 0.05%