Santiago Arroyo serves as Executive at MOMENTA PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Santiago Arroyo has executed 45 insider transactions totaling $7.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 6, 2024 involved receiving (via award) 21,660 shares valued at $0.
Santiago Arroyo currently holds 39,000 shares of MOMENTA PHARMACEUTICALS INC (MNTA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Santiago Arroyo has been a net seller of MNTA stock. They have purchased $0 and sold $7.8M worth of shares.
Santiago Arroyo's most recent insider trade was on Feb 6, 2024, when they sold 21,660 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Feb 4, 2022 | MRNS | $0 | Award | 2,750 | $N/A | Discretionary |
| Oct 1, 2020 | MNTA | $0 | Disposition | 26 | $N/A | Discretionary |
| Aug 5, 2020 | MNTA | $3.1K | Sale | 94 | $32.65 | Discretionary |
| Aug 4, 2020 | MNTA | $1.1M | Sale | 34,542 | $32.25 | Discretionary |
| Aug 4, 2020 | MNTA | $387.0K | Option Exercise | 22,500 | $17.20 | Discretionary |
| Aug 4, 2020 | MNTA | $129.6K | Option Exercise | 10,156 | $12.76 | Discretionary |
| Jul 29, 2020 | MNTA | $1.2M | Sale | 39,618 | $30.00 | Discretionary |
| Jul 29, 2020 | MNTA | $387.0K | Option Exercise | 22,500 | $17.20 | Discretionary |
| Jul 29, 2020 | MNTA | $129.6K | Option Exercise | 10,156 | $12.76 | Discretionary |
| Jul 28, 2020 | MNTA | $20.4K | Sale | 681 | $30.00 | Discretionary |
| Jul 22, 2020 | MNTA | $62.7K | Sale | 1,939 | $32.32 | Discretionary |
| Jul 21, 2020 | MNTA | $387.0K | Award | 22,500 | $17.20 | Discretionary |
| Jul 21, 2020 | MNTA | $1.7M | Sale | 49,967 | $34.62 | Discretionary |
| Jul 21, 2020 | MNTA | $129.6K | Award | 10,156 | $12.76 | Discretionary |
| Jul 20, 2020 | MNTA | $53.0K | Sale | 1,561 | $33.95 | Discretionary |
| Jul 17, 2020 | MNTA | $0 | Option Exercise | 3,500 | $N/A | Discretionary |
| Jul 15, 2020 | MNTA | $1.2M | Sale | 34,921 | $35.35 | Discretionary |
| Jul 15, 2020 | MNTA | $129.6K | Award | 10,156 | $12.76 | Discretionary |
| Jul 15, 2020 | MNTA | $580.9K | Sale | 16,433 | $35.35 | Discretionary |
| Jul 15, 2020 | MNTA | $387.0K | Award | 22,500 | $17.20 | Discretionary |
| Jun 30, 2020 | MNTA | $239.1K | Sale | 6,812 | $35.10 | Discretionary |
| Jun 29, 2020 | MNTA | $0 | Award | 15,000 | $N/A | Discretionary |
| Jun 12, 2020 | MNTA | $203.8K | Sale | 6,756 | $30.16 | Discretionary |
| Jun 11, 2020 | MNTA | $0 | Award | 15,000 | $N/A | Discretionary |
| Apr 20, 2020 | MNTA | $46.7K | Sale | 1,614 | $28.96 | Discretionary |
| Apr 17, 2020 | MNTA | $0 | Option Exercise | 3,500 | $N/A | Discretionary |
| Mar 6, 2020 | MNTA | $213.1K | Sale | 7,356 | $28.97 | Discretionary |
| Mar 5, 2020 | MNTA | $0 | Award | 15,000 | $N/A | Discretionary |