SEC Form 4 · accession 0001144204-17-034210
ClearSign Technologies Corp · CLIR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Joseph Colannino
Officer — See Remarks
Period of report
Jun 23, 2017
Accepted (ET)
Jun 27, 2017 · 6:00 am 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 | $3.80 | Jun 23, 2017 | A | 15,000 | A | — | Apr 1, 2027 | Common Stock | 15,000 | 158,555 | D |
Explanation of responses
- F1The right to purchase the option shares vests at the rate of 6.25% commencing on June 30, 2017 and continuing thereafter on the last day of each quarter until the right to purchase all of the option shares has vested.
Remarks
Senior Vice President of Engineering