The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Von Rickenbach Josef H since 2006.
The trader's CIK number is 1007706.
At the time of the last reporting, Von Rickenbach Josef H was the Chairman & CEO of Aileron Therapeutics Inc. (stock ticker symbol ALRN).
Also see all insider trading activities at Aileron Therapeutics Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2017 | PRXL | 0 | $0 | 0 | $0 | 9,308 | $0 |
| 2015 | PRXL | 0 | $0 | 65,100 | $4,088,280 | 172,575 | $4,165,442 |
| 2014 | PRXL | 0 | $0 | 100,000 | $4,973,000 | 77,850 | $2,148,426 |
| 2013 | PRXL | 0 | $0 | 100,000 | $4,424,720 | 184,000 | $3,359,840 |
| 2012 | PRXL | 0 | $0 | 110,489 | $3,495,871 | 146,550 | $1,606,302 |
| 2011 | PRXL | 0 | $0 | 0 | $0 | 80,000 | $688,000 |
| 2009 | PRXL | 0 | $0 | 7,774 | $81,409 | 32,000 | $181,760 |
| 2008 | PRXL | 0 | $0 | 369,618 | $9,677,826 | 369,618 | $2,259,990 |
| 2007 | PRXL | 0 | $0 | 40,000 | $1,831,890 | 69,191 | $1,000,689 |
| 2006 | PRXL | 0 | $0 | 38,750 | $1,168,838 | 38,750 | $992,712 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2020 | ALRN | 227,272 | $249,999 | 0 | $0 | 0 | $0 |
| 2019 | ALRN | 168,436 | $150,288 | 0 | $0 | 0 | $0 |
1. Parexel International Corp (PRXL)
2. Aileron Therapeutics Inc (ALRN)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2017-09-10 | PRXL | Option Ex | 9,308 | .00 | 0 |
| 2015-02-13 | PRXL | Option Ex | 172,575 | 24.14 | 4,165,442 |
| 2015-02-13 | PRXL | Sale | 65,100 | 62.80 | 4,088,280 |
| 2014-02-10 | PRXL | Sale | 50,000 | 49.76 | 2,488,000 |
| 2014-02-07 | PRXL | Sale | 50,000 | 49.70 | 2,485,000 |
| 2014-02-06 | PRXL | Option Ex | 77,850 | 27.60 | 2,148,426 |
| 2013-09-23 | PRXL | Option Ex | 184,000 | 18.26 | 3,359,840 |
| 2013-05-07 | PRXL | Sale | 72,000 | 44.39 | 3,196,080 |
| 2013-05-06 | PRXL | Sale | 28,000 | 43.88 | 1,228,640 |
| 2012-11-26 | PRXL | Sale | 110,489 | 31.64 | 3,495,871 |
| 2012-11-21 | PRXL | Option Ex | 36,550 | 12.55 | 458,702 |
| 2012-08-28 | PRXL | Option Ex | 50,000 | 11.18 | 559,000 |
| 2012-06-07 | PRXL | Option Ex | 40,000 | 9.81 | 392,400 |
| 2012-02-17 | PRXL | Option Ex | 20,000 | 9.81 | 196,200 |
| 2011-12-23 | PRXL | Option Ex | 80,000 | 8.60 | 688,000 |
| 2009-05-27 | PRXL | Option Ex | 32,000 | 5.68 | 181,760 |
| 2009-05-27 | PRXL | Sale | 7,774 | 10.47 | 81,409 |
| 2008-09-30 | PRXL | Option Ex | 4,000 | 5.68 | 22,720 |
| 2008-09-30 | PRXL | Sale | 4,000 | 28.34 | 113,360 |
| 2008-09-23 | PRXL | Option Ex | 4,000 | 5.68 | 22,720 |
| 2008-09-23 | PRXL | Sale | 4,000 | 29.70 | 118,780 |
| 2008-09-16 | PRXL | Option Ex | 4,000 | 5.68 | 22,720 |
| 2008-09-16 | PRXL | Sale | 4,000 | 32.52 | 130,080 |
| 2008-09-09 | PRXL | Sale | 4,000 | 31.39 | 125,544 |
| 2008-09-09 | PRXL | Option Ex | 4,000 | 5.68 | 22,720 |
| 2008-09-02 | PRXL | Sale | 4,000 | 31.87 | 127,480 |
| 2008-09-02 | PRXL | Option Ex | 4,000 | 5.68 | 22,720 |
| 2008-08-26 | PRXL | Option Ex | 4,000 | 5.68 | 22,720 |
| 2008-08-26 | PRXL | Sale | 4,000 | 31.62 | 126,480 |
| 2008-08-19 | PRXL | Option Ex | 4,000 | 5.68 | 22,720 |
| 2008-08-19 | PRXL | Sale | 4,000 | 31.73 | 126,920 |
| 2008-08-12 | PRXL | Sale | 16,018 | 33.38 | 534,680 |
| 2008-08-12 | PRXL | Option Ex | 16,018 | 6.15 | 98,510 |
| 2008-08-05 | PRXL | Sale | 14,800 | 28.75 | 425,500 |
| 2008-08-05 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-07-29 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-07-29 | PRXL | Sale | 14,800 | 27.68 | 409,590 |
| 2008-07-22 | PRXL | Sale | 14,800 | 27.73 | 410,330 |
| 2008-07-22 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-07-15 | PRXL | Sale | 14,800 | 25.55 | 378,214 |
| 2008-07-15 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-07-08 | PRXL | Sale | 14,800 | 25.91 | 383,468 |
| 2008-07-08 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-07-01 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-07-01 | PRXL | Sale | 14,800 | 25.63 | 379,264 |
| 2008-06-24 | PRXL | Sale | 12,800 | 23.76 | 304,128 |
| 2008-06-24 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-06-24 | PRXL | Sale | 2,000 | 23.94 | 47,888 |
| 2008-06-17 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-06-17 | PRXL | Sale | 12,000 | 23.75 | 285,000 |
| 2008-06-17 | PRXL | Sale | 2,800 | 23.97 | 67,124 |
| 2008-06-10 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-06-10 | PRXL | Sale | 6,600 | 24.20 | 159,753 |
| 2008-06-10 | PRXL | Sale | 8,200 | 24.52 | 201,055 |
| 2008-06-03 | PRXL | Sale | 3,300 | 24.19 | 79,833 |
| 2008-06-03 | PRXL | Sale | 11,500 | 23.94 | 275,287 |
| 2008-06-03 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-05-27 | PRXL | Sale | 12,800 | 24.93 | 319,129 |
| 2008-05-27 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-05-27 | PRXL | Sale | 2,000 | 25.20 | 50,402 |
| 2008-05-20 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-05-20 | PRXL | Sale | 14,800 | 24.73 | 365,959 |
| 2008-05-13 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-05-13 | PRXL | Sale | 14,800 | 24.32 | 359,876 |
| 2008-05-06 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-05-06 | PRXL | Sale | 6,100 | 25.41 | 155,025 |
| 2008-05-06 | PRXL | Sale | 8,700 | 25.79 | 224,390 |
| 2008-04-29 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-04-29 | PRXL | Sale | 13,100 | 25.16 | 329,596 |
| 2008-04-29 | PRXL | Sale | 1,700 | 25.36 | 43,113 |
| 2008-04-22 | PRXL | Sale | 3,900 | 22.46 | 87,590 |
| 2008-04-22 | PRXL | Sale | 5,600 | 22.58 | 126,425 |
| 2008-04-22 | PRXL | Sale | 5,300 | 22.84 | 121,046 |
| 2008-04-22 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-04-15 | PRXL | Sale | 4,600 | 23.23 | 106,848 |
| 2008-04-15 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-04-15 | PRXL | Sale | 10,200 | 23.06 | 235,222 |
| 2008-04-08 | PRXL | Sale | 1,700 | 26.29 | 44,686 |
| 2008-04-08 | PRXL | Sale | 13,100 | 26.08 | 341,674 |
| 2008-04-08 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-04-01 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-04-01 | PRXL | Sale | 12,200 | 26.34 | 321,348 |
| 2008-04-01 | PRXL | Sale | 2,600 | 26.62 | 69,209 |
| 2008-03-25 | PRXL | Sale | 1,600 | 26.79 | 42,868 |
| 2008-03-25 | PRXL | Sale | 13,200 | 26.45 | 349,192 |
| 2008-03-25 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-03-18 | PRXL | Sale | 6,300 | 26.65 | 167,913 |
| 2008-03-18 | PRXL | Sale | 600 | 26.92 | 16,153 |
| 2008-03-18 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2008-03-18 | PRXL | Sale | 7,900 | 26.37 | 208,291 |
| 2008-03-11 | PRXL | Sale | 5,600 | 25.63 | 143,511 |
| 2008-03-11 | PRXL | Sale | 9,200 | 25.93 | 238,602 |
| 2008-03-11 | PRXL | Option Ex | 14,800 | 6.15 | 91,020 |
| 2007-10-31 | PRXL | Option Ex | 29,191 | 12.30 | 359,049 |
| 2007-10-30 | PRXL | Sale | 12,075 | 45.83 | 553,373 |
| 2007-10-31 | PRXL | Sale | 2,045 | 45.03 | 92,092 |
| 2007-10-31 | PRXL | Sale | 2,555 | 45.02 | 115,028 |
| 2007-10-29 | PRXL | Sale | 9,700 | 46.14 | 447,538 |
| 2007-10-29 | PRXL | Option Ex | 40,000 | 16.04 | 641,640 |
| 2007-10-30 | PRXL | Sale | 5,325 | 45.73 | 243,512 |
| 2007-10-29 | PRXL | Sale | 8,300 | 45.83 | 380,347 |
| 2006-11-13 | PRXL | Option Ex | 8,750 | 21.31 | 186,462 |
| 2006-11-13 | PRXL | Sale | 8,750 | 31.42 | 274,898 |
| 2006-05-26 | PRXL | Sale | 30,000 | 29.80 | 893,940 |
| 2006-05-26 | PRXL | Option Ex | 30,000 | 26.88 | 806,250 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2020-06-08 | ALRN | Buy | 227,272 | 1.10 | 249,999 |
| 2019-09-12 | ALRN | Buy | 88,145 | .98 | 86,293 |
| 2019-09-13 | ALRN | Buy | 25,000 | .97 | 24,250 |
| 2019-09-04 | ALRN | Buy | 23,225 | .71 | 16,582 |
| 2019-08-30 | ALRN | Buy | 15,000 | .73 | 10,965 |
| 2019-09-03 | ALRN | Buy | 13,466 | .70 | 9,426 |
| 2019-08-29 | ALRN | Buy | 3,600 | .77 | 2,772 |
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 Von Rickenbach Josef H (Chairman & CEO of Aileron Therapeutics Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.