ClearSign Technologies Corporation
ClearSign Technologies Corporation (CLIR) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · CLIR · as of Jun 8, 2026
Activity summary
Buy transactions
2
P-Purchase only
Sell transactions
0
12 Months
Buy/Sell ratio
∞
Buy/Sell (by trades)
Overall sentiment
ClearSign Technologies Corporation insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
CLIR insider buying and selling by quarter
CLIR insider selling · CLIR insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · CLIR ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
CLIR executive sell shares · CLIR board member insider trading · CLIR insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Apr 23, 2026 | Silva Gil Todd Director | Purchase | 1,000 | $5K | Form 4 |
| Apr 23, 2026 | Silva Gil Todd Director | Purchase | 1,000 | $5K | Form 4 |
| Mar 17, 2026 | Silva Gil Todd Director | Purchase | 2,000 | $8K | Form 4 |
| Mar 16, 2026 | Silva Gil Todd Director | Purchase | 2,000 | $9K | Form 4 |
| Feb 26, 2026 | Deller Colin James CEO | Award | 210,043 | — | Form 4 |
| Feb 26, 2026 | Deller Colin James CEO | Other | 105,022 | $59K | Form 4 |
| Feb 26, 2026 | Hinds Brent CFO | Award | 56,645 | — | Form 4 |
| Feb 26, 2026 | Hinds Brent CFO | Other | 20,761 | $12K | Form 4 |
| Feb 22, 2026 | Hinds Brent CFO | Option | 7,547 | — | Form 4 |
| Feb 22, 2026 | Hinds Brent CFO | Other | 2,765 | $2K | Form 4 |
| Feb 20, 2026 | Hinds Brent CFO | Option | 9,315 | — | Form 4 |
| Feb 20, 2026 | Hinds Brent CFO | Other | 3,413 | $2K | Form 4 |
| Feb 2, 2026 | Hinds Brent CFO | Option | 10,127 | — | Form 4 |
| Feb 2, 2026 | Hinds Brent CFO | Other | 3,711 | $2K | Form 4 |
| Feb 24, 2025 | Hinds Brent CFO | Option | 7,547 | — | Form 4 |
| Feb 24, 2025 | Hinds Brent CFO | Other | 2,636 | $2K | Form 4 |
| Feb 20, 2025 | Hinds Brent CFO | Award | 51,176 | — | Form 4 |
| Feb 20, 2025 | Hinds Brent CFO | Other | 18,757 | $16K | Form 4 |
| Feb 20, 2025 | Deller Colin James CEO | Award | 100,393 | — | Form 4 |
| Feb 20, 2025 | Deller Colin James CEO | Other | 49,846 | $43K | Form 4 |
| Feb 2, 2025 | Hinds Brent CFO | Option | 10,127 | — | Form 4 |
| Feb 2, 2025 | Hinds Brent CFO | Other | 3,712 | $4K | Form 4 |
| May 20, 2024 | Hinds Brent CFO | Option | 2,627 | — | Form 4 |
| May 20, 2024 | Hinds Brent CFO | Other | 963 | $751 | Form 4 |
| Jun 24, 2024 | HOFFMAN Robert Thurston Sr 10 percent owner | Purchase | 3,350,000 | $3.05M⚡ | Form 4 |
HOFFMAN Robert Thurston Sr
10 percent owner
Date
Jun 24
Shares
3,350,000
Price
$0.91
Value
$3.05M ⚡
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About CLIR insider trading
CLIR insider trades
ClearSign Technologies Corporation (CLIR) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Hinds Brent (CFO), Silva Gil Todd (Director), Deller Colin James (CEO). Over the past 12 months, 3 insiders have filed transactions with the SEC. CLIR insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For ClearSign Technologies Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
CLIR insider trading · 5 questionsThe insiders of ClearSign Technologies Corporation (CLIR) include executives and directors such as Hinds Brent (CFO), Silva Gil Todd (Director), Deller Colin James (CEO), among others. Over the past 12 months, 3 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026