SEC Form 4 · accession 0001144204-18-020771
ClearSign Technologies Corp · CLIR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Brian Grant Fike
Officer — Interim CFO
Period of report
Apr 12, 2018
Accepted (ET)
Apr 16, 2018 · 5:28 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001434524
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Option to Purchase Common StockF1 | $1.90 | Apr 12, 2018 | A | 25,000 | A | — | Apr 1, 2028 | Common Stock | 25,000 | 40,000 | D |
Explanation of responses
- F1The right to purchase the option shares vests at the rate of 6.25% commencing on July 1, 2018 and continuing thereafter on the last day of each quarter until the right to purchase all of the option shares has vested..