Marek Biestek serves as Executive at KALOBIOS PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Marek Biestek has executed 4 insider transactions totaling $710.3K, demonstrating a bullish approach to their equity position. Their most recent transaction on Dec 16, 2015 involved purchasing 10,000 shares valued at $293.2K.
Marek Biestek currently holds 250,000 shares of KALOBIOS PHARMACEUTICALS INC (KBIO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Marek Biestek has been a net buyer of KBIO stock. They have purchased $710.3K and sold $0 worth of shares.
Marek Biestek's most recent insider trade was on Dec 16, 2015, when they purchased 10,000 shares at $29.32 per share.
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| $2.04 |
| Discretionary |
| Nov 17, 2015 | KBIO | $247.1K | Purchase | 135,000 | $1.83 | Discretionary |
| Nov 16, 2015 | KBIO | $88.4K | Purchase | 65,000 | $1.36 | Discretionary |