Insider Trading activities of Osg America L.p. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Osg America L.p. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Osg America L.p. since year 2005. Table 2 shows the detailed insider transactions of Osg America L.p. since 2005. The reporting company's ticker symbol is OSP. The reporting company's CIK number is 1409134.
The total value of stock buying since 2005 is $75,194,807.
The total value of stock sales since 2005 is $406,820.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Osg America L.p. (OSP).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2009-12 7,002,615 $71,776,802 39,690 $406,820 0 $0
2008-10 500,435 $2,802,436 0 $0 0 $0
2008-09 400 $4,456 0 $0 0 $0
2008-08 10,500 $132,635 0 $0 0 $0
2008-03 7,400 $99,678 0 $0 0 $0
2007-11 20,000 $378,800 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Osg America L.p. insiders (OSP)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2009-12-17 Overseas Shipholding Group Inc (10% Owner) Buy 1,077,639 10.25 11,045,799
2009-12-16 Overseas Shipholding Group Inc (10% Owner) Buy 140,717 10.25 1,442,349
2009-12-15 Overseas Shipholding Group Inc (10% Owner) Buy 112,929 10.25 1,157,522
2009-12-14 Overseas Shipholding Group Inc (10% Owner) Buy 12,573 10.25 128,873
2009-12-10 Overseas Shipholding Group Inc (10% Owner) Buy 400 10.25 4,100
2009-12-09 Overseas Shipholding Group Inc (10% Owner) Buy 4,100 10.25 42,025
2009-12-08 Overseas Shipholding Group Inc (10% Owner) Buy 1,000 10.25 10,250
2009-12-07 Flinter Henry P (Chief Financial Officer) Sale 6,859 10.25 70,304
2009-12-07 Dolphin James G (Director) Sale 10,750 10.25 110,187
2009-12-07 Benz Steven T (Director) Sale 8,150 10.25 83,537
2009-12-07 Johnston Robert E (Director) Sale 12,281 10.25 125,880
2009-12-07 Haines Kathleen C (Director) Sale 1,650 10.25 16,912
2009-12-07 Overseas Shipholding Group Inc (10% Owner) Buy 5,652,457 10.25 57,937,684
2008-10-14 Overseas Shipholding Group Inc (10% Owner) Buy 500,435 5.60 2,802,436
2008-09-12 Haines Kathleen C (Director) Buy 400 11.14 4,456
2008-08-27 Dolphin James G (Director) Buy 5,000 12.00 60,000
2008-08-26 Haines Kathleen C (Director) Buy 500 11.99 5,995
2008-08-01 Dolphin James G (Director) Buy 5,000 13.33 66,640
2008-03-04 Benz Steven T (Director) Buy 7,400 13.47 99,678
2007-11-09 Whitworth Jonathan (President and CEO (1)) Buy 10,000 19.00 190,000
2007-11-09 Johnston Robert E (Director) Buy 10,000 18.88 188,800

Insider trading activities including stock purchases, stock sales, and option exercises of OSP listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Osg America L.p. (symbol OSP, CIK number 1409134) see the Securities and Exchange Commission (SEC) website.