- Corporate Officers - M
- Moulder Leon O Jr
Insider Trading History of Moulder Leon O Jr
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Moulder Leon O Jr since 2005.
This trader's CIK number is 1228865.
At the time of last reporting, Moulder Leon O Jr was the Chief Executive Officer of Zenas Biopharma, Inc.. (stock ticker symbol ZBIO).
Also see all insider trading activities at Zenas Biopharma, Inc..
Note that in the past
MOULDER LEON O JR also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Tesaro, Inc. (TSRO) by Moulder Leon O Jr
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | TSRO | 5,000 | $284,640 | 0 | $0 | 15,836 | $0 |
| 2017 | TSRO | 0 | $0 | 0 | $0 | 12,500 | $0 |
| 2012 | TSRO | 10,000 | $116,900 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Mgi Pharma Inc (MOGN) by Moulder Leon O Jr
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2006 | MOGN | 2,000 | $28,310 | 0 | $0 | 0 | $0 |
| 2005 | MOGN | 2,000 | $37,700 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Cubist Pharmaceuticals Inc (CBST) by Moulder Leon O Jr
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2014 | CBST | 0 | $0 | 0 | $0 | 1,104 | $0 |
| 2013 | CBST | 0 | $0 | 0 | $0 | 1,347 | $0 |
| 2011 | CBST | 5,000 | $183,890 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Zenas Biopharma, Inc. (ZBIO) by Moulder Leon O Jr
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | ZBIO | 25,000 | $166,750 | 0 | $0 | 0 | $0 |
| 2024 | ZBIO | 100,000 | $1,227,700 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Trevena Inc (TRVN) by Moulder Leon O Jr
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2019 | TRVN | 100,000 | $102,000 | 0 | $0 | 0 | $0 |
| 2014 | TRVN | 50,000 | $199,979 | 0 | $0 | 0 | $0 |
Insider trading activities at 5 companies by Moulder Leon O Jr:
1. Tesaro, Inc. (TSRO)
2. Mgi Pharma Inc (MOGN)
3. Cubist Pharmaceuticals Inc (CBST)
4. Zenas Biopharma, Inc. (ZBIO)
5. Trevena Inc (TRVN)
Table 1. Insider trading of Tesaro, Inc. (TSRO) by Moulder Leon O Jr
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-03-01 | TSRO | Option Ex | 15,836 | .00 | 0 |
| 2018-03-02 | TSRO | Buy | 5,000 | 56.93 | 284,640 |
| 2017-03-01 | TSRO | Option Ex | 12,500 | .00 | 0 |
| 2012-08-30 | TSRO | Buy | 10,000 | 11.69 | 116,900 |
Table 2. Insider trading of Mgi Pharma Inc (MOGN) by Moulder Leon O Jr
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2006-08-04 | MOGN | Buy | 2,000 | 14.15 | 28,310 |
| 2005-10-27 | MOGN | Buy | 2,000 | 18.85 | 37,700 |
Table 3. Insider trading of Cubist Pharmaceuticals Inc (CBST) by Moulder Leon O Jr
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2014-06-03 | CBST | Option Ex | 1,104 | .00 | 0 |
| 2013-06-06 | CBST | Option Ex | 1,347 | .00 | 0 |
| 2011-11-04 | CBST | Buy | 5,000 | 36.78 | 183,890 |
Table 4. Insider trading of Zenas Biopharma, Inc. (ZBIO) by Moulder Leon O Jr
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-02-18 | ZBIO | Buy | 25,000 | 6.67 | 166,750 |
| 2024-12-03 | ZBIO | Buy | 25,000 | 10.76 | 269,000 |
| 2024-12-04 | ZBIO | Buy | 45,000 | 9.98 | 449,100 |
| 2024-11-18 | ZBIO | Buy | 7,500 | 15.00 | 112,500 |
| 2024-11-19 | ZBIO | Buy | 2,500 | 14.57 | 36,425 |
| 2024-09-20 | ZBIO | Buy | 5,000 | 18.43 | 92,125 |
| 2024-09-19 | ZBIO | Buy | 5,000 | 17.89 | 89,450 |
| 2024-09-18 | ZBIO | Buy | 10,000 | 17.91 | 179,100 |
Table 5. Insider trading of Trevena Inc (TRVN) by Moulder Leon O Jr
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2019-02-01 | TRVN | Buy | 100,000 | 1.02 | 102,000 |
| 2014-12-09 | TRVN | Buy | 30,200 | 3.96 | 119,592 |
| 2014-12-10 | TRVN | Buy | 19,800 | 4.06 | 80,387 |
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 Moulder Leon O Jr
(Chief Executive Officer of Zenas Biopharma, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.