Open Insider Trading Activity for Martek Biosciences Corp Director Macmaster Jr Douglas J
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MATK | 2010-01-19 | 2009-09-23 | Martek Biosciences Corp | Macmaster Jr Douglas J | Director | Sell | 1 | 4,907 | $23.80 | $116,786.60 | 22.17% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MATK | 2008-06-18 | 2008-06-18 | Martek Biosciences Corp | Macmaster Jr Douglas J | Director | Sell | 1 | 8,000 | $33.61 | $268,880.00 | 28.47% | View Filing |