Chaitan Khosla Ph.D., Director at KOSAN BIOSCIENCES INC (KOSN), sold 50,000 shares at $5.26 ($263K) on 2007-03-26, disclosed to the SEC on 2007-03-28.
Open-market sale of $263k KOSN by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| KOSN | SELL | 2006-03-16 | $38K | — | Filing → |
| KOSN | SELL | 2006-02-10 | $20K | — | Filing → |