-
Action Alerts PLUS
Get free access to Cramer's portfolio picks at Action Alerts PLUS - Try it now Free
-
RealMoney
Jim Cramer's RealMoney team of 70+ Wall Street pros will give you wealth-building strategies - Get started Free
-
RealMoney Silver
Doug Kass + our 5 Premium Services - all in one place - Get a free 14-day trial today
-
Stocks Under $10
David Peltier is ready to help you find affordable Stocks Under $10 which could lead to a big-money payoff - Get access to his portfolio FREE
-
ETF Action
Don Dion's brand new service can help investors at all levels build profitable ETF portfolios - Learn more
MATK - Martek Biosciences Corporation
Martek Biosciences Corporation
MATK : NASDAQ : Health Care
$17.24
-0.32 | -1.82%
-0.32 | -1.82%
Today's Range:
17.16 -
17.61
MATK Avg. Daily Volume:
313,600
12/09/09 - 4:00 PM ET
TRADE NOW
Insider Trading
| Historical Data | Current | 1 Mo. Ago | 2 Mo. Ago | 3 Mo. Ago | 4 Mo. Ago | 5 Mo. Ago | 6 Mo. Ago |
|---|---|---|---|---|---|---|---|
| Net Insider Transaction | 1,755 | 1,755 | 1,755 | 35,771 | 35,771 | 35,771 | -1,000 |
| Shares Bought | 1,755 | 1,755 | 1,755 | 44,949 | 44,949 | 44,949 | 0 |
| Shares Sold | 0 | 0 | 0 | 9,178 | 9,178 | 9,178 | 1,000 |
Institutional Trading
| Historical Data | Current | 1 Mo. Ago | 2 Mo. Ago | 3 Mo. Ago | 4 Mo. Ago | 5 Mo. Ago | 6 Mo. Ago |
|---|---|---|---|---|---|---|---|
| Total Shares Held | 31.45M | 31.43M | 32.29M | 33.06M | 33.13M | 36.40M | 37.45M |
| Shares Bought | 3.55M | 3.54M | 3.47M | 3.14M | 3.13M | 2.29M | 2.49M |
| Shares Sold | 4.46M | 4.46M | 4.78M | 4.64M | 4.63M | 6.05M | 5.91M |
Brokerage Partners
Resources
TheStreet Premium Services
Jim Cramer's Action Alerts PLUS: Now any level of investor can trade right alongside a Wall Street pro — and enjoy 24/7 access to his portfolio! Learn More
NEW! Don Dion's ETF Action: A concise two-step strategy for learning and trading in this increasingly lucrative area of investing. For all levels of investors! Learn More
RealMoney: Jim Cramer's team of 70+ investment pros offer a daily wealth of fast-breaking market news... analyses... red-hot opportunities...and wealth-building strategies. Learn More
RealMoney Silver: The genius of Doug Kass + 5 Premium Services = an unrivaled group of expert fundamental analysts, technical analysts, and Wall Street observers. Learn More
Breakout Stocks: Bryan Ashenberg combines sophisticated screening software with eagle-eye analysis to find small and mid-caps ready to break out! Learn More
We respect your privacy.
Podcasts
Connect with TheStreet