Michelle Robertson serves as Executive at MOMENTA PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Michelle Robertson has executed 31 insider transactions totaling $733.9K, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 18, 2026 involved exercising options for 27,500 shares valued at $0.
Michelle Robertson currently holds 82,500 shares of MOMENTA PHARMACEUTICALS INC (MNTA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michelle Robertson has been a net seller of MNTA stock. They have purchased $0 and sold $733.9K worth of shares.
Michelle Robertson's most recent insider trade was on Feb 18, 2026, when they sold 27,500 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $1.94 |
| Discretionary |
| Feb 18, 2026 | GERN | $0 | Option Exercise | 27,500 | $N/A | Discretionary |
| Feb 17, 2026 | GERN | $0 | Award | 1,660,000 | $N/A | Discretionary |
| Jun 18, 2024 | VSTM | $0 | Award | 8,333 | $N/A | Discretionary |
| May 11, 2023 | EDIT | $9.4K | Sale | 949 | $9.87 | Planned |
| Mar 3, 2023 | EDIT | $1.6K | Sale | 184 | $8.89 | Discretionary |
| Mar 2, 2023 | EDIT | $0 | Award | 31,500 | $N/A | Discretionary |
| Feb 13, 2023 | EDIT | $41.5K | Sale | 4,287 | $9.67 | Discretionary |
| Jan 10, 2023 | EDIT | $14.3K | Sale | 1,752 | $8.16 | Discretionary |
| Dec 5, 2022 | EDIT | $2.0K | Sale | 193 | $10.23 | Discretionary |
| Sep 6, 2022 | EDIT | $2.9K | Sale | 192 | $15.01 | Discretionary |
| Jun 3, 2022 | EDIT | $17.6K | Sale | 1,527 | $11.54 | Discretionary |
| Mar 3, 2022 | EDIT | $13.3K | Sale | 767 | $17.33 | Discretionary |
| Feb 10, 2022 | EDIT | $0 | Award | 53,499 | $N/A | Discretionary |
| Jan 11, 2022 | EDIT | $44.8K | Sale | 1,744 | $25.70 | Discretionary |
| Dec 22, 2021 | EDIT | $0 | Award | 4,471 | $N/A | Discretionary |
| Aug 9, 2021 | EDIT | $150.0K | Sale | 2,500 | $60.00 | Discretionary |
| Aug 9, 2021 | EDIT | $76.6K | Option Exercise | 2,500 | $30.65 | Discretionary |
| Jun 28, 2021 | EDIT | $125.0K | Sale | 2,500 | $50.00 | Discretionary |
| Jun 28, 2021 | EDIT | $76.6K | Option Exercise | 2,500 | $30.65 | Discretionary |
| Mar 2, 2021 | EDIT | $0 | Award | 10,303 | $N/A | Discretionary |
| Jan 12, 2021 | EDIT | $122.7K | Sale | 1,568 | $78.27 | Discretionary |
| Jan 9, 2020 | EDIT | $0 | Award | 20,000 | $N/A | Discretionary |
| Oct 25, 2019 | MNTA | $102.0K | Sale | 6,802 | $15.00 | Discretionary |
| Oct 18, 2019 | MNTA | $40.6K | Sale | 2,936 | $13.83 | Discretionary |
| Oct 17, 2019 | MNTA | $0 | Option Exercise | 9,750 | $N/A | Discretionary |
| Apr 13, 2019 | MNTA | $0 | Disposition | 4,725 | $N/A | Discretionary |
| Feb 14, 2019 | MNTA | $9.2K | Sale | 703 | $13.10 | Discretionary |
| Feb 13, 2019 | MNTA | $17.9K | Sale | 1,410 | $12.70 | Discretionary |