- Corporate Officers - W
- Walsh Matthew M
Insider Trading History of Walsh Matthew M
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Walsh Matthew M since 2005.
This trader's CIK number is 1269428.
At the time of last reporting, Walsh Matthew M was the Officer of Certara, Inc.. (stock ticker symbol CERT).
Also see all insider trading activities at Certara, Inc..
Note that in the past
WALSH MATTHEW M also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Catalent, Inc. (CTLT) by Walsh Matthew M
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2017 | CTLT | 0 | $0 | 27,748 | $0 | 74,651 | $954,413 |
| 2016 | CTLT | 0 | $0 | 21,197 | $611,533 | 89,124 | $1,438,728 |
| 2015 | CTLT | 0 | $0 | 64,811 | $1,985,152 | 186,760 | $2,101,266 |
Yearly summary of insider trading at Allergan Plc (AGN) by Walsh Matthew M
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | AGN | 4,000 | $632,840 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Certara, Inc. (CERT) by Walsh Matthew M
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | CERT | 0 | $0 | 0 | $0 | 11,928 | $0 |
| 2023 | CERT | 0 | $0 | 0 | $0 | 9,067 | $0 |
| 2020 | CERT | 5,000 | $115,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Gentek Inc (GETI) by Walsh Matthew M
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2005 | GETI | 200 | $2,750 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Organon & Co. (OGN) by Walsh Matthew M
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | OGN | 11,400 | $100,548 | 0 | $0 | 34,870 | $0 |
| 2024 | OGN | 0 | $0 | 0 | $0 | 61,153 | $0 |
| 2023 | OGN | 0 | $0 | 0 | $0 | 38,410 | $0 |
| 2022 | OGN | 0 | $0 | 0 | $0 | 30,653 | $0 |
| 2021 | OGN | 0 | $0 | 0 | $0 | 22,343 | $639,680 |
Insider trading activities at 5 companies by Walsh Matthew M:
1. Catalent, Inc. (CTLT)
2. Allergan Plc (AGN)
3. Certara, Inc. (CERT)
4. Gentek Inc (GETI)
5. Organon & Co. (OGN)
Table 1. Insider trading of Catalent, Inc. (CTLT) by Walsh Matthew M
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2017-06-08 | CTLT | Sale | 24,989 | .00 | 0 |
| 2017-06-09 | CTLT | Sale | 2,759 | .00 | 0 |
| 2017-06-08 | CTLT | Option Ex | 74,651 | 12.79 | 954,413 |
| 2016-05-27 | CTLT | Sale | 21,197 | 28.85 | 611,533 |
| 2016-05-27 | CTLT | Option Ex | 89,124 | 16.14 | 1,438,728 |
| 2015-07-27 | CTLT | Option Ex | 84,717 | 11.90 | 1,008,386 |
| 2015-07-27 | CTLT | Sale | 27,172 | 31.18 | 847,222 |
| 2015-04-06 | CTLT | Option Ex | 102,043 | 10.71 | 1,092,880 |
| 2015-04-06 | CTLT | Sale | 34,439 | 30.43 | 1,047,978 |
| 2015-02-13 | CTLT | Sale | 3,200 | 28.11 | 89,952 |
Table 2. Insider trading of Allergan Plc (AGN) by Walsh Matthew M
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-11-16 | AGN | Buy | 1,000 | 157.00 | 157,000 |
| 2018-03-08 | AGN | Buy | 1,000 | 153.96 | 153,960 |
| 2018-02-21 | AGN | Buy | 2,000 | 160.94 | 321,880 |
Table 3. Insider trading of Certara, Inc. (CERT) by Walsh Matthew M
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-05-21 | CERT | Option Ex | 11,928 | .00 | 0 |
| 2023-05-17 | CERT | Option Ex | 9,067 | .00 | 0 |
| 2020-12-15 | CERT | Buy | 5,000 | 23.00 | 115,000 |
Table 4. Insider trading of Gentek Inc (GETI) by Walsh Matthew M
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2005-08-22 | GETI | Buy | 200 | 13.75 | 2,750 |
Table 5. Insider trading of Organon & Co. (OGN) by Walsh Matthew M
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-05-05 | OGN | Buy | 11,400 | 8.82 | 100,548 |
| 2025-03-31 | OGN | Option Ex | 34,870 | .00 | 0 |
| 2024-05-04 | OGN | Option Ex | 8,310 | .00 | 0 |
| 2024-03-31 | OGN | Option Ex | 19,799 | .00 | 0 |
| 2024-02-28 | OGN | Option Ex | 33,044 | .00 | 0 |
| 2023-08-05 | OGN | Option Ex | 22,347 | .00 | 0 |
| 2023-05-04 | OGN | Option Ex | 8,310 | .00 | 0 |
| 2023-03-31 | OGN | Option Ex | 7,753 | .00 | 0 |
| 2022-08-05 | OGN | Option Ex | 22,343 | .00 | 0 |
| 2022-05-04 | OGN | Option Ex | 8,310 | .00 | 0 |
| 2021-08-05 | OGN | Option Ex | 22,343 | 28.63 | 639,680 |
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 Walsh Matthew M
(Officer of Certara, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.