The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Latham John A since 2015.
The trader's CIK number is 1604874.
At the time of the last reporting, Latham John A was the Chief Scientific Officer of Alder Biopharmaceuticals Inc. (stock ticker symbol ALDR).
Also see all insider trading activities at Alder Biopharmaceuticals Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2018 | ALDR | 0 | $0 | 149,997 | $2,505,613 | 149,997 | $696,319 |
| 2016 | ALDR | 0 | $0 | 117,272 | $3,543,503 | 117,272 | $180,730 |
| 2015 | ALDR | 0 | $0 | 100,000 | $3,603,074 | 131,818 | $69,989 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2018-11-01 | ALDR | Option Ex | 25,002 | 8.38 | 209,591 |
| 2018-11-01 | ALDR | Sale | 25,002 | 13.59 | 339,752 |
| 2018-10-01 | ALDR | Option Ex | 24,999 | 5.12 | 127,869 |
| 2018-10-01 | ALDR | Sale | 24,999 | 15.61 | 390,309 |
| 2018-09-04 | ALDR | Option Ex | 24,999 | 3.46 | 86,621 |
| 2018-09-04 | ALDR | Sale | 24,999 | 17.99 | 449,682 |
| 2018-08-01 | ALDR | Option Ex | 24,999 | 3.46 | 86,621 |
| 2018-08-01 | ALDR | Sale | 24,999 | 19.55 | 488,780 |
| 2018-07-02 | ALDR | Sale | 24,999 | 15.48 | 387,009 |
| 2018-07-02 | ALDR | Option Ex | 24,999 | 3.46 | 86,621 |
| 2018-06-01 | ALDR | Sale | 24,999 | 18.00 | 450,081 |
| 2018-06-01 | ALDR | Option Ex | 24,999 | 3.96 | 98,996 |
| 2016-12-01 | ALDR | Sale | 3,636 | 23.13 | 84,100 |
| 2016-12-01 | ALDR | Option Ex | 3,636 | 1.65 | 5,999 |
| 2016-12-01 | ALDR | Sale | 3,636 | 23.13 | 84,100 |
| 2016-12-01 | ALDR | Option Ex | 3,636 | 1.65 | 5,999 |
| 2016-11-09 | ALDR | Sale | 10,000 | 30.18 | 301,840 |
| 2016-11-09 | ALDR | Option Ex | 10,000 | 1.65 | 16,500 |
| 2016-10-03 | ALDR | Option Ex | 10,000 | 1.65 | 16,500 |
| 2016-10-03 | ALDR | Sale | 10,000 | 31.25 | 312,510 |
| 2016-09-01 | ALDR | Option Ex | 10,000 | 1.65 | 16,500 |
| 2016-09-01 | ALDR | Sale | 10,000 | 32.49 | 324,950 |
| 2016-08-01 | ALDR | Option Ex | 10,000 | 1.65 | 16,500 |
| 2016-08-01 | ALDR | Sale | 10,000 | 31.72 | 317,230 |
| 2016-07-27 | ALDR | Option Ex | 9,187 | 1.65 | 15,158 |
| 2016-07-26 | ALDR | Option Ex | 813 | 1.65 | 1,341 |
| 2016-07-27 | ALDR | Sale | 9,187 | 30.15 | 277,024 |
| 2016-07-26 | ALDR | Sale | 813 | 30.00 | 24,392 |
| 2016-06-01 | ALDR | Option Ex | 10,000 | 1.65 | 16,500 |
| 2016-06-01 | ALDR | Sale | 10,000 | 30.02 | 300,220 |
| 2016-05-27 | ALDR | Option Ex | 6,401 | 1.26 | 8,097 |
| 2016-05-27 | ALDR | Sale | 6,401 | 30.05 | 192,337 |
| 2016-05-31 | ALDR | Option Ex | 33,599 | 1.46 | 48,987 |
| 2016-05-31 | ALDR | Sale | 33,599 | 30.04 | 1,009,280 |
| 2016-01-04 | ALDR | Option Ex | 10,000 | 1.26 | 12,649 |
| 2016-01-04 | ALDR | Sale | 10,000 | 31.55 | 315,520 |
| 2015-12-01 | ALDR | Option Ex | 4,550 | .39 | 1,751 |
| 2015-12-01 | ALDR | Sale | 4,550 | 37.24 | 169,451 |
| 2015-11-02 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-11-02 | ALDR | Sale | 4,545 | 33.48 | 152,148 |
| 2015-10-01 | ALDR | Sale | 4,545 | 32.55 | 147,939 |
| 2015-10-01 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-09-24 | ALDR | Option Ex | 31,818 | .99 | 31,499 |
| 2015-09-01 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-09-01 | ALDR | Sale | 4,545 | 38.68 | 175,786 |
| 2015-08-03 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-08-03 | ALDR | Sale | 4,545 | 45.62 | 207,324 |
| 2015-07-01 | ALDR | Sale | 4,545 | 51.13 | 232,381 |
| 2015-07-01 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-06-04 | ALDR | Option Ex | 25,000 | .39 | 9,625 |
| 2015-06-04 | ALDR | Sale | 25,000 | 44.18 | 1,104,475 |
| 2015-06-01 | ALDR | Sale | 4,545 | 41.53 | 188,758 |
| 2015-06-01 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-05-01 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-05-01 | ALDR | Sale | 4,545 | 25.67 | 116,661 |
| 2015-03-30 | ALDR | Sale | 14,500 | 30.20 | 437,914 |
| 2015-04-01 | ALDR | Sale | 4,545 | 27.42 | 124,610 |
| 2015-03-30 | ALDR | Option Ex | 14,500 | .39 | 5,582 |
| 2015-04-01 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-03-02 | ALDR | Option Ex | 4,545 | .39 | 1,749 |
| 2015-03-02 | ALDR | Sale | 4,545 | 26.26 | 119,342 |
| 2015-01-26 | ALDR | Option Ex | 7,900 | .39 | 3,041 |
| 2015-01-27 | ALDR | Option Ex | 7,145 | .39 | 2,750 |
| 2015-01-26 | ALDR | Sale | 7,900 | 27.98 | 221,010 |
| 2015-01-27 | ALDR | Sale | 7,145 | 28.73 | 205,275 |
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 Latham John A (Chief Scientific Officer of Alder Biopharmaceuticals Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.