Chaitan Khosla Phd serves as Executive at KOSAN BIOSCIENCES INC, where they oversee executive responsibilities. Since joining the company, Chaitan Khosla Phd has executed 46 insider transactions totaling $399.4K, demonstrating a bearish approach to their equity position. Their most recent transaction on Jun 11, 2024 involved receiving (via award) 24,889 shares valued at $0.
Chaitan Khosla Phd currently holds 24,889 shares of KOSAN BIOSCIENCES INC (KOSN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Chaitan Khosla Phd has been a net seller of KOSN stock. They have purchased $0 and sold $399.4K worth of shares.
Chaitan Khosla Phd's most recent insider trade was on Jun 11, 2024, when they sold 24,889 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Aug 11, 2020 | PTGX | $43.0K | Sale | 2,499 | $17.19 | Discretionary |
| Aug 11, 2020 | PTGX | $4.7K | Option Exercise | 2,499 | $1.89 | Discretionary |
| Jun 26, 2008 | KOSN | $0 | Other | 1,346,585 | $N/A | Discretionary |
| Jun 26, 2008 | KOSN | $0 | Tender | 116,442 | $N/A | Discretionary |
| Mar 26, 2007 | KOSN | $263.0K | Sale | 50,000 | $5.26 | Discretionary |
| Apr 18, 2006 | KOSN | $1.6K | Sale | 300 | $5.43 | Discretionary |
| Apr 18, 2006 | KOSN | $1.3K | Sale | 233 | $5.42 | Discretionary |
| Apr 18, 2006 | KOSN | $1.6K | Sale | 300 | $5.41 | Discretionary |
| Apr 18, 2006 | KOSN | $1.1K | Sale | 200 | $5.40 | Discretionary |
| Apr 18, 2006 | KOSN | $544 | Sale | 100 | $5.44 | Discretionary |
| Apr 18, 2006 | KOSN | $545 | Sale | 100 | $5.45 | Discretionary |
| Apr 18, 2006 | KOSN | $3.8K | Sale | 700 | $5.39 | Discretionary |
| Apr 18, 2006 | KOSN | $536 | Sale | 100 | $5.36 | Discretionary |
| Apr 18, 2006 | KOSN | $5.2K | Sale | 967 | $5.38 | Discretionary |
| Apr 18, 2006 | KOSN | $1.1K | Sale | 200 | $5.37 | Discretionary |
| Apr 17, 2006 | KOSN | $2.3K | Sale | 400 | $5.72 | Discretionary |
| Apr 17, 2006 | KOSN | $16.0K | Sale | 2,800 | $5.71 | Discretionary |
| Mar 15, 2006 | KOSN | $1.2K | Sale | 200 | $5.84 | Discretionary |
| Mar 15, 2006 | KOSN | $1.2K | Sale | 200 | $5.87 | Discretionary |
| Mar 15, 2006 | KOSN | $603 | Sale | 100 | $6.03 | Discretionary |
| Mar 15, 2006 | KOSN | $602 | Sale | 100 | $6.02 | Discretionary |
| Mar 15, 2006 | KOSN | $1.2K | Sale | 200 | $5.97 | Discretionary |
| Mar 15, 2006 | KOSN | $1.2K | Sale | 200 | $5.96 | Discretionary |
| Mar 15, 2006 | KOSN | $595 | Sale | 100 | $5.95 | Discretionary |
| Mar 15, 2006 | KOSN | $1.2K | Sale | 200 | $5.94 | Discretionary |
| Mar 15, 2006 | KOSN | $1.8K | Sale | 300 | $5.93 | Discretionary |
| Mar 15, 2006 | KOSN | $1.2K | Sale | 200 | $5.93 | Discretionary |
| Mar 15, 2006 | KOSN | $3.0K | Sale | 500 | $5.92 | Discretionary |