The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Green David since 2005.
This trader's CIK number is 1008643.
At the time of last reporting, Green David was the Interim CEO of Biostage, Inc.. (stock ticker symbol BSTG).
Also see all insider trading activities at Biostage, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2022 | BSTG | 63,345 | $375,002 | 0 | $0 | 0 | $0 |
| 2021 | BSTG | 72,464 | $250,000 | 0 | $0 | 0 | $0 |
| 2015 | BSTG | 125,000 | $215,478 | 0 | $0 | 0 | $0 |
| 2014 | BSTG | 0 | $0 | 0 | $0 | 12,261 | $100,540 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2017 | HBIO | 0 | $0 | 4,527 | $14,712 | 0 | $0 |
| 2016 | HBIO | 0 | $0 | 0 | $0 | 302,947 | $860,927 |
| 2015 | HBIO | 0 | $0 | 482,580 | $2,913,270 | 912,807 | $2,740,246 |
| 2014 | HBIO | 0 | $0 | 524,196 | $2,564,818 | 0 | $0 |
| 2013 | HBIO | 0 | $0 | 0 | $0 | 450,000 | $1,387,350 |
| 2012 | HBIO | 0 | $0 | 168,354 | $682,821 | 200,000 | $631,998 |
| 2011 | HBIO | 0 | $0 | 100,000 | $603,204 | 0 | $0 |
| 2009 | HBIO | 21,238 | $52,288 | 0 | $0 | 0 | $0 |
| 2008 | HBIO | 44,700 | $98,150 | 0 | $0 | 0 | $0 |
| 2006 | HBIO | 0 | $0 | 914,547 | $3,948,825 | 0 | $0 |
| 2005 | HBIO | 0 | $0 | 100,000 | $345,902 | 0 | $0 |
2. Harvard Bioscience Inc (HBIO)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2022-05-12 | BSTG | Buy | 63,345 | 5.92 | 375,002 |
| 2021-11-26 | BSTG | Buy | 72,464 | 3.45 | 250,000 |
| 2015-11-17 | HART | Buy | 25,000 | 1.34 | 33,500 |
| 2015-06-03 | HART | Buy | 23,400 | 1.98 | 46,332 |
| 2015-06-02 | HART | Buy | 26,600 | 1.81 | 48,146 |
| 2015-02-18 | HART | Buy | 50,000 | 1.75 | 87,500 |
| 2014-03-17 | HART | Option Ex | 12,261 | 8.20 | 100,540 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2017-02-07 | HBIO | Sale | 3,239 | 3.25 | 10,526 |
| 2017-02-06 | HBIO | Sale | 1,288 | 3.25 | 4,186 |
| 2016-06-01 | HBIO | Option Ex | 79,059 | 3.64 | 287,774 |
| 2016-05-27 | HBIO | Option Ex | 223,888 | 2.56 | 573,153 |
| 2015-07-15 | HBIO | Sale | 3 | 5.25 | 15 |
| 2015-07-16 | HBIO | Sale | 400 | 5.25 | 2,100 |
| 2015-07-17 | HBIO | Sale | 16,700 | 5.26 | 87,842 |
| 2015-07-10 | HBIO | Sale | 26,475 | 5.28 | 139,788 |
| 2015-07-13 | HBIO | Sale | 10,527 | 5.29 | 55,687 |
| 2015-07-14 | HBIO | Sale | 14,595 | 5.27 | 76,915 |
| 2015-04-23 | HBIO | Sale | 118,500 | 6.03 | 714,555 |
| 2015-04-20 | HBIO | Sale | 24,116 | 6.31 | 152,171 |
| 2015-04-21 | HBIO | Sale | 53,413 | 6.33 | 338,104 |
| 2015-04-22 | HBIO | Sale | 46,468 | 6.07 | 282,060 |
| 2015-04-16 | HBIO | Sale | 21,303 | 6.59 | 140,386 |
| 2015-04-17 | HBIO | Sale | 5,500 | 6.49 | 35,695 |
| 2015-04-15 | HBIO | Sale | 15,700 | 6.53 | 102,521 |
| 2015-04-10 | HBIO | Sale | 29,336 | 6.68 | 195,964 |
| 2015-04-13 | HBIO | Sale | 23,700 | 6.56 | 155,472 |
| 2015-04-14 | HBIO | Sale | 27,132 | 6.57 | 178,257 |
| 2015-03-03 | HBIO | Option Ex | 912,807 | 3.00 | 2,740,246 |
| 2015-02-09 | HBIO | Sale | 48,712 | 5.25 | 255,738 |
| 2014-12-30 | HBIO | Sale | 16,173 | 5.25 | 84,908 |
| 2014-12-29 | HBIO | Sale | 3,700 | 5.25 | 19,425 |
| 2014-12-24 | HBIO | Sale | 4,606 | 5.25 | 24,181 |
| 2014-12-23 | HBIO | Sale | 91,861 | 5.25 | 482,270 |
| 2014-12-18 | HBIO | Sale | 17,568 | 4.96 | 87,137 |
| 2014-12-19 | HBIO | Sale | 54,778 | 5.01 | 274,437 |
| 2014-12-22 | HBIO | Sale | 7,856 | 5.25 | 41,244 |
| 2014-11-19 | HBIO | Sale | 10,000 | 4.95 | 49,500 |
| 2014-10-31 | HBIO | Sale | 5,892 | 4.99 | 29,401 |
| 2014-10-30 | HBIO | Sale | 39,200 | 4.99 | 195,764 |
| 2014-10-29 | HBIO | Sale | 72,562 | 4.96 | 360,052 |
| 2014-04-09 | HBIO | Sale | 27,540 | 4.47 | 123,021 |
| 2014-04-07 | HBIO | Sale | 4,907 | 4.45 | 21,836 |
| 2014-04-08 | HBIO | Sale | 36,461 | 4.46 | 162,725 |
| 2014-04-04 | HBIO | Sale | 24,722 | 4.51 | 111,520 |
| 2014-04-02 | HBIO | Sale | 25,331 | 4.69 | 118,827 |
| 2014-04-03 | HBIO | Sale | 38,170 | 4.59 | 175,200 |
| 2014-04-01 | HBIO | Sale | 42,869 | 4.74 | 203,370 |
| 2013-10-18 | HBIO | Option Ex | 450,000 | 3.08 | 1,387,350 |
| 2012-12-19 | HBIO | Option Ex | 48,146 | 3.16 | 152,141 |
| 2012-12-20 | HBIO | Option Ex | 73,591 | 3.16 | 232,547 |
| 2012-12-21 | HBIO | Option Ex | 14,409 | 3.16 | 45,532 |
| 2012-12-19 | HBIO | Sale | 48,146 | 4.04 | 194,413 |
| 2012-12-20 | HBIO | Sale | 73,591 | 4.05 | 298,117 |
| 2012-12-21 | HBIO | Sale | 14,409 | 4.06 | 58,486 |
| 2012-12-17 | HBIO | Option Ex | 17,908 | 3.16 | 56,589 |
| 2012-12-18 | HBIO | Option Ex | 45,946 | 3.16 | 145,189 |
| 2012-12-17 | HBIO | Sale | 17,908 | 4.10 | 73,476 |
| 2012-12-18 | HBIO | Sale | 14,300 | 4.08 | 58,329 |
| 2011-04-25 | HBIO | Sale | 11,556 | 5.96 | 68,885 |
| 2011-04-26 | HBIO | Sale | 2,944 | 5.97 | 17,563 |
| 2011-04-05 | HBIO | Sale | 6,000 | 6.04 | 36,228 |
| 2011-04-04 | HBIO | Sale | 1,000 | 5.95 | 5,950 |
| 2011-03-31 | HBIO | Sale | 400 | 5.96 | 2,382 |
| 2011-03-29 | HBIO | Sale | 40,800 | 6.01 | 245,412 |
| 2011-03-30 | HBIO | Sale | 37,300 | 6.08 | 226,784 |
| 2009-03-05 | HBIO | Buy | 453 | 2.49 | 1,127 |
| 2009-03-03 | HBIO | Buy | 687 | 2.48 | 1,707 |
| 2009-03-02 | HBIO | Buy | 2,587 | 2.49 | 6,441 |
| 2009-02-26 | HBIO | Buy | 4,789 | 2.49 | 11,924 |
| 2009-02-27 | HBIO | Buy | 9,800 | 2.44 | 23,863 |
| 2009-02-02 | HBIO | Buy | 722 | 2.48 | 1,790 |
| 2009-02-03 | HBIO | Buy | 100 | 2.49 | 249 |
| 2009-01-27 | HBIO | Buy | 2,100 | 2.47 | 5,187 |
| 2008-12-22 | HBIO | Buy | 10,000 | 2.46 | 24,630 |
| 2008-12-19 | HBIO | Buy | 10,000 | 2.44 | 24,370 |
| 2008-12-05 | HBIO | Buy | 100 | 2.00 | 200 |
| 2008-12-03 | HBIO | Buy | 1,400 | 2.00 | 2,800 |
| 2008-12-04 | HBIO | Buy | 10,000 | 1.99 | 19,850 |
| 2008-12-01 | HBIO | Buy | 10,000 | 1.99 | 19,900 |
| 2008-12-02 | HBIO | Buy | 3,200 | 2.00 | 6,400 |
| 2006-10-27 | HBIO | Sale | 94,963 | 4.79 | 455,347 |
| 2006-10-05 | HBIO | Sale | 15,970 | 4.37 | 69,788 |
| 2006-10-03 | HBIO | Sale | 75,315 | 4.35 | 327,469 |
| 2006-10-04 | HBIO | Sale | 63,125 | 4.33 | 273,331 |
| 2006-10-02 | HBIO | Sale | 45,590 | 4.45 | 202,738 |
| 2006-08-01 | HBIO | Sale | 1,935 | 4.47 | 8,649 |
| 2006-08-02 | HBIO | Sale | 2,099 | 4.45 | 9,340 |
| 2006-07-27 | HBIO | Sale | 3,799 | 4.45 | 16,905 |
| 2006-07-25 | HBIO | Sale | 13,303 | 4.46 | 59,331 |
| 2006-07-26 | HBIO | Sale | 18,867 | 4.47 | 84,429 |
| 2006-07-20 | HBIO | Sale | 19,584 | 4.47 | 87,540 |
| 2006-07-20 | HBIO | Sale | 19,584 | 4.47 | 87,540 |
| 2006-07-06 | HBIO | Sale | 100 | 4.45 | 445 |
| 2006-06-30 | HBIO | Sale | 32,900 | 4.46 | 146,898 |
| 2006-07-03 | HBIO | Sale | 200,000 | 4.28 | 856,400 |
| 2006-06-29 | HBIO | Sale | 1,013 | 4.45 | 4,507 |
| 2006-05-05 | HBIO | Sale | 6,300 | 4.45 | 28,035 |
| 2006-04-27 | HBIO | Sale | 100 | 4.45 | 445 |
| 2006-04-04 | HBIO | Sale | 63,900 | 4.02 | 256,877 |
| 2006-04-03 | HBIO | Sale | 136,100 | 4.20 | 571,211 |
| 2006-03-22 | HBIO | Sale | 100,000 | 4.02 | 401,600 |
| 2005-08-02 | HBIO | Sale | 52,100 | 3.46 | 180,266 |
| 2005-07-15 | HBIO | Sale | 18,000 | 3.45 | 62,100 |
| 2005-06-13 | HBIO | Sale | 13,500 | 3.46 | 46,710 |
| 2005-06-09 | HBIO | Sale | 16,400 | 3.46 | 56,826 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Green David (Interim CEO of Biostage, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.