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
- HOFFMAN Robert Thurston Sr (TenPercentOwner) — 3 transactions totaling $3,048,501
- Deller Colin James (Chief Executive Officer) — 7 transactions totaling $213,866
- Hinds Brent (Chief Financial Officer) — 33 transactions totaling $79,361
- Silva Gil Todd (Director) — 10 transactions totaling $17,110
- HOFFMAN Robert Thurston Sr (Director) — 3 transactions totaling $0
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% |