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Largest Insider Trades of the Week

- By Tiziano Frateschi

The GuruFocus All-in-One Screener can be used to find insider trades from the past week. Under the Insiders tab, change the settings for All Insider Buying to "$200,000+," the duration to "September 2017" and All Insider Sales to "$5,000,000+."


According to the above filters, the following are trades from company insiders this week.

Perceptive Life Sciences Master Fund Ltd., 10% owner of Amicus Therapeutics Inc. (FOLD), bought 500,000 shares for an average price of $12 per share on Sept. 12.

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The biopharmaceutical company has a market cap of $2.22 billion and an enterprise value of $1.85 billion. It has an institutional ownership of 80.12% and insider ownership of 0.98%.

Over the past 12 months, the stock price has fallen 12.52%. As of Friday, it was 33.37% below its 52-week high and 1.47% above its 52-week low.

John B. Walker, director and 10% owner of Magnolia Oil & Gas Corp. (MGY), bought 160,000 shares for an average price of $13.76 per share on Sept. 12.

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The oil producer has a market cap of $2.49 billion and an enterprise value of $2.38 billion. It has an institutional ownership of 2.09% and insider ownership of 0.84%.

Over the past 12 months, the stock price has climbed 42% and is currently 1.48% below its 52-week high and 44.34% above its 52-week low.

Albert Chan, director of KalVista Pharmaceuticals Inc. (KALV), bought 1,058,824 shares for an average price of $17 per share on Sept. 10.

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The pharmaceutical company has a market cap of $225.16 million and an enterprise value of $174.38 million. The firm has an institutional ownership of 32.94% and insider ownership of 4.28%.

Over the past 12 months, the stock price has gained 98% and is currently 16.24% below its 52-week high and 138.05% above its 52-week low.

Energy Transfer Partners LP (ETP) CEO Kelcy L. Warren bought 2,000,000 shares for $22.42 per share on Sept. 10.

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The company, which operates in the crude oil industry, has a market cap of $28.24 billion and an enterprise value of $67.81 billion. It has an institutional ownership of 59.10% and insider ownership of 0.58%.

Over the past 12 months, the stock price has risen 18.54% and is currently 8.49% below its 52-week high and 48.14% above its 52-week low.

Spruce House Partnership LP, 10% owner of GTT Communciations Inc. (GTT), bought 702,531 shares for $41.88 per share on Sept. 10.

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The provider of network and internet services has a market cap of $2.36 billion and an enterprise value of $5.5 billion. It has an institutional ownership of 58.5% and insider ownership of 18.53%.

Over the past 12 months, the stock price has climbed 41.34% and is currently 30.6% below its 52-week high and 42.74% above its 52-week low.

Most important insider sales

On Sept. 12, 10% owners Alice L. Walton and Jim C. Walton, and Samuel Robson Walton, director and 10% owner, sold a combined 3,091,920 shares of Walmart Inc. (WMT), for an average price of $96.65 per share.

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The retail giant has a market cap of $276 billion and an enterprise value of $317 billion. It has an institutional ownership of 28.43% and insider ownership of 1.28%.

Over the past 12 months, the stock price has risen 18.62% and is currently 14.06% below its 52-week high and 21.95% above its 52-week low.

Trian Fund Management L.P., director of Sysco Corp. (SYY), sold 2,115,358 shares for $74.81 per share on Sept. 12.

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The company distributes food and nonfood products to customers. It has a market cap of $38.34 billion and an enterprise value of $46.16 billion.

Over the past 12 months, the stock price has climbed 40% and is currently 2.92% below its 52-week high and 41.36% above its 52-week low.

Starr Investment Holdings LLC, SPH GRD Holdings LLC, Geoffrey G. Clark, Starr Investment Fund II LLC, AEA Investors LP and AEA Management (Cayman) Ltd., 10% owners of At Home Group Inc. (HOME), sold a combined 24,591,824 shares for $33.11 per share on Sept. 11.

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The home decor superstore has a $2.03 billion market cap and an enterprise value of $2.54 billion. It has an institutional ownership of 59.89% and insider ownership of 0.28%.

Over the past 12 months, the stock price has climbed 45.16% and is currently 22% below its 52-week high and 59.19% above its 52-week low.

Disclosure: I do not own any stocks mentioned in this article.

This article first appeared on GuruFocus.