Insider Trading activities of Magenta Therapeutics, Inc. (MGTA)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Magenta Therapeutics, Inc. (MGTA) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Magenta Therapeutics, Inc. since year 2005. Table 2 shows the detailed insider transactions of Magenta Therapeutics, Inc. since 2005. The reporting company's ticker symbol is MGTA. The reporting company's CIK number is 1690585.
The total value of stock buying since 2005 is $105,000.
The total value of stock sales since 2005 is $1,200,800.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Magenta Therapeutics, Inc. (MGTA).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2019-09 0 $0 7,500 $80,530 0 $0
2019-08 0 $0 7,500 $100,612 0 $0
2019-07 0 $0 7,500 $108,022 0 $0
2019-06 0 $0 26,915 $402,806 0 $0
2019-03 0 $0 28,490 $508,830 0 $0
2018-06 7,000 $105,000 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Magenta Therapeutics, Inc. insiders (MGTA)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2019-09-19 Cooke Michael P. (Chief Scientific Officer) Sale 1,656 12.00 19,872
2019-09-12 Cooke Michael P. (Chief Scientific Officer) Sale 844 12.00 10,128
2019-09-03 Cooke Michael P. (Chief Scientific Officer) Sale 5,000 10.11 50,530
2019-08-01 Cooke Michael P. (Chief Scientific Officer) Sale 7,500 13.41 100,612
2019-07-01 Cooke Michael P. (Chief Scientific Officer) Sale 7,500 14.40 108,022
2019-06-21 Gardner Jason (See Remarks) Sale 12,331 15.11 186,321
2019-06-21 Isacson Christina K. (Chief Business Officer) Sale 5,415 16.07 87,019
2019-06-20 Gardner Jason (See Remarks) Sale 1,669 15.10 25,201
2019-06-17 Cooke Michael P. (Chief Scientific Officer) Sale 7,500 13.90 104,265
2019-03-20 Atlas Venture Associates X, Llc (10% Owner) Sale 14,245 17.86 254,415
2019-03-20 Booth Bruce (Director) Sale 14,245 17.86 254,415
2018-06-25 Gardner Jason (See Remarks) Buy 400 15.00 6,000
2018-06-25 Scadden David (Director) Buy 6,600 15.00 99,000

Insider trading activities including stock purchases, stock sales, and option exercises of MGTA listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Magenta Therapeutics, Inc. (symbol MGTA, CIK number 1690585) see the Securities and Exchange Commission (SEC) website.




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