Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer.

Yesterday, June 8, 2015, 79 U.S. common stocks issued filings of shares being bought or sold by insiders. The transactions ranged in value from $600.00 to $33,225,000.00.

Highlighted Stocks Traded by Insiders:

Pioneer Energy Services (PES) - FREE Research Report

Thompson C John, who is Director at Pioneer Energy Services, sold 2,000 shares at $7.15 on June 8, 2015. Following this transaction, the Director owned 19,995 shares meaning that the stake was reduced by 9.09% with the 2,000-share transaction.

The shares most recently traded at $7.22, up $0.07, or 0.97% since the insider transaction. Historical insider transactions for Pioneer Energy Services go as follows:

  • 4-Week # shares bought: 10,000
  • 4-Week # shares sold: 2,000
  • 12-Week # shares bought: 10,000
  • 12-Week # shares sold: 2,000
  • 24-Week # shares bought: 10,000
  • 24-Week # shares sold: 2,000

The average volume for Pioneer Energy Services has been 1.3 million shares per day over the past 30 days. Pioneer Energy Services has a market cap of $456.1 million and is part of the basic materials sector and energy industry. Shares are up 29.06% year-to-date as of the close of trading on Monday.

Pioneer Energy Services Corp., through its subsidiaries, provides drilling services and production services to oil and gas exploration and production companies in the United States and Colombia. Currently, there are 2 analysts who rate Pioneer Energy Services a buy, 1 analyst rates it a sell, and 6 rate it a hold.

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TheStreet Quant Ratings rates Pioneer Energy Services as a sell. The company's weaknesses can be seen in multiple areas, such as its feeble growth in its earnings per share, deteriorating net income, disappointing return on equity, poor profit margins and generally disappointing historical performance in the stock itself. Get the full Pioneer Energy Services Ratings Report from TheStreet Quant Ratings now.

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Datalink (DTLK) - FREE Research Report

O Grady Michael Shawn, who is EVP Field Operations at Datalink, sold 11,000 shares at $9.20 on June 8, 2015. Following this transaction, the EVP Field Operations owned 78,900 shares meaning that the stake was reduced by 12.24% with the 11,000-share transaction.

The shares most recently traded at $9.16, down $0.04, or 0.44% since the insider transaction. Historical insider transactions for Datalink go as follows:

  • 4-Week # shares sold: 9,000
  • 12-Week # shares sold: 9,000
  • 24-Week # shares sold: 9,000

The average volume for Datalink has been 94,100 shares per day over the past 30 days. Datalink has a market cap of $216.4 million and is part of the technology sector and computer hardware industry. Shares are down 28.06% year-to-date as of the close of trading on Monday.

Datalink Corporation provides data center services and solutions. The company has a P/E ratio of 18.6. Currently, there is 1 analyst who rates Datalink a buy, no analysts rate it a sell, and 2 rate it a hold.

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TheStreet Quant Ratings rates Datalink as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, attractive valuation levels and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we also find weaknesses including unimpressive growth in net income, poor profit margins and weak operating cash flow. Get the full Datalink Ratings Report from TheStreet Quant Ratings now.

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Spark Networks (LOV) - FREE Research Report

Barba Lee K, who is Director at Spark Networks, bought 10,000 shares at $3.20 on June 8, 2015. Following this transaction, the Director owned 20,000 shares meaning that the stake was boosted by 100% with the 10,000-share transaction.

The shares most recently traded at $3.05, down $0.15, or 4.88% since the insider transaction. Historical insider transactions for Spark Networks go as follows:

  • 4-Week # shares bought: 10,000
  • 4-Week # shares sold: 36,215
  • 12-Week # shares bought: 10,000
  • 12-Week # shares sold: 36,215
  • 24-Week # shares bought: 10,000
  • 24-Week # shares sold: 36,215

The average volume for Spark Networks has been 114,500 shares per day over the past 30 days. Spark Networks has a market cap of $78.2 million and is part of the technology sector and internet industry. Shares are down 13.65% year-to-date as of the close of trading on Monday.

Spark Networks, Inc. provides online personals services in the United States and internationally. It operates in four segments: Jewish Networks, Christian Networks, Other Networks, and Offline and Other Businesses. The company has a P/E ratio of 31.0. Currently, there are 2 analysts who rate Spark Networks a buy, no analysts rate it a sell, and 1 rates it a hold.

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TheStreet Quant Ratings rates Spark Networks as a hold. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, compelling growth in net income and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we find that the stock has had a generally disappointing performance in the past year. Get the full Spark Networks Ratings Report from TheStreet Quant Ratings now.

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