Andrew U. Lee, See Remarks at CLEARSIGN COMBUSTION CORP (CLIR), bought 1,000 shares at $3.20 ($3K) on 2017-08-17, disclosed to the SEC on 2017-08-22.
Open-market purchase of $3k CLIR by See Remarks. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Nothing distinguishes this filing.
| Filing → |
| CLIR | BUY | 2012-04-26 | $20K | — | Filing → |