- Corporate Officers - C
- Clark William D
Insider Trading History of Clark William D
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Clark William D since 2006.
This trader's CIK number is 1355415.
At the time of last reporting, Clark William D was the Officer of Ibio, Inc.. (stock ticker symbol IBIO).
Also see all insider trading activities at Ibio, Inc..
Note that in the past
Clark William D also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Ibio, Inc. (IBIO) by Clark William D
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | IBIO | 1,838 | $4,999 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Genocea Biosciences, Inc. (GNCA) by Clark William D
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | GNCA | 0 | $0 | 140,649 | $25,234 | 0 | $0 |
| 2021 | GNCA | 0 | $0 | 0 | $0 | 36,498 | $79,930 |
| 2020 | GNCA | 4,760 | $9,805 | 0 | $0 | 0 | $0 |
| 2019 | GNCA | 0 | $0 | 0 | $0 | 15,000 | $8,100 |
| 2018 | GNCA | 25,000 | $20,000 | 0 | $0 | 0 | $0 |
| 2016 | GNCA | 2,800 | $9,772 | 0 | $0 | 0 | $0 |
| 2015 | GNCA | 3,800 | $24,510 | 0 | $0 | 0 | $0 |
| 2014 | GNCA | 0 | $0 | 0 | $0 | 39,807 | $113,848 |
Yearly summary of insider trading at Vanda Pharmaceuticals Inc. (VNDA) by Clark William D
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | VNDA | 0 | $0 | 9,522 | $101,409 | 25,000 | $0 |
| 2009 | VNDA | 0 | $0 | 217,749 | $2,406,344 | 320,550 | $97,827 |
| 2008 | VNDA | 50,000 | $49,500 | 0 | $0 | 0 | $0 |
| 2007 | VNDA | 0 | $0 | 16,000 | $340,879 | 16,000 | $5,292 |
| 2006 | VNDA | 0 | $0 | 34,000 | $609,268 | 34,000 | $11,220 |
Insider trading activities at 3 companies by Clark William D:
1. Ibio, Inc. (IBIO)
2. Genocea Biosciences, Inc. (GNCA)
3. Vanda Pharmaceuticals Inc. (VNDA)
Table 1. Insider trading of Ibio, Inc. (IBIO) by Clark William D
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-01-10 | IBIO | Buy | 1,838 | 2.72 | 4,999 |
Table 2. Insider trading of Genocea Biosciences, Inc. (GNCA) by Clark William D
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-06-02 | GNCA | Sale | 4,023 | .06 | 241 |
| 2022-06-02 | GNCA | Sale | 4,023 | .06 | 241 |
| 2022-05-31 | GNCA | Sale | 117,244 | .06 | 7,269 |
| 2022-04-04 | GNCA | Sale | 3,924 | 1.25 | 4,905 |
| 2022-03-16 | GNCA | Sale | 11,435 | 1.10 | 12,578 |
| 2021-02-17 | GNCA | Option Ex | 36,498 | 2.19 | 79,930 |
| 2020-11-10 | GNCA | Buy | 4,760 | 2.06 | 9,805 |
| 2019-03-15 | GNCA | Option Ex | 15,000 | .54 | 8,100 |
| 2018-01-17 | GNCA | Buy | 25,000 | .80 | 20,000 |
| 2016-11-07 | GNCA | Buy | 2,800 | 3.49 | 9,772 |
| 2015-12-16 | GNCA | Buy | 3,800 | 6.45 | 24,510 |
| 2014-12-12 | GNCA | Option Ex | 19,807 | 2.86 | 56,648 |
| 2014-09-02 | GNCA | Option Ex | 20,000 | 2.86 | 57,200 |
Table 3. Insider trading of Vanda Pharmaceuticals Inc. (VNDA) by Clark William D
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-02-19 | VNDA | Sale | 9,522 | 10.65 | 101,409 |
| 2010-02-18 | VNDA | Option Ex | 25,000 | .00 | 0 |
| 2009-12-14 | VNDA | Option Ex | 295,550 | .33 | 97,827 |
| 2009-12-14 | VNDA | Sale | 217,749 | 11.05 | 2,406,344 |
| 2009-05-11 | VNDA | Option Ex | 25,000 | .00 | 0 |
| 2008-08-07 | VNDA | Buy | 50,000 | .99 | 49,500 |
| 2007-10-01 | VNDA | Option Ex | 3,200 | .33 | 1,059 |
| 2007-10-01 | VNDA | Sale | 3,200 | 13.87 | 44,384 |
| 2007-08-01 | VNDA | Sale | 3,200 | 18.84 | 60,288 |
| 2007-08-01 | VNDA | Option Ex | 3,200 | .33 | 1,059 |
| 2007-06-01 | VNDA | Sale | 3,200 | 20.13 | 64,406 |
| 2007-06-01 | VNDA | Option Ex | 3,200 | .33 | 1,059 |
| 2007-04-02 | VNDA | Sale | 3,200 | 24.13 | 77,216 |
| 2007-04-02 | VNDA | Option Ex | 3,200 | .33 | 1,059 |
| 2007-02-01 | VNDA | Sale | 3,200 | 29.56 | 94,585 |
| 2007-02-01 | VNDA | Option Ex | 3,200 | .33 | 1,056 |
| 2006-12-11 | VNDA | Option Ex | 15,000 | .33 | 4,950 |
| 2006-12-11 | VNDA | Sale | 15,000 | 26.28 | 394,155 |
| 2006-11-07 | VNDA | Option Ex | 400 | .33 | 132 |
| 2006-11-08 | VNDA | Option Ex | 18,600 | .33 | 6,138 |
| 2006-11-07 | VNDA | Sale | 400 | 11.55 | 4,622 |
| 2006-11-08 | VNDA | Sale | 12,300 | 11.19 | 137,600 |
| 2006-11-08 | VNDA | Sale | 6,300 | 11.57 | 72,891 |
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 Clark William D
(Officer of Ibio, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.