Mark T. Iwicki serves as Executive at SEPRACOR INC /DE/, where they oversee executive responsibilities. Since joining the company, Mark T. Iwicki has executed 36 insider transactions totaling $1.0M, demonstrating a bullish approach to their equity position. Their most recent transaction on Jan 5, 2026 involved receiving (via award) 4,982,706 shares valued at $0.
Mark T. Iwicki currently holds 4,982,706 shares of SEPRACOR INC /DE/ (SEPR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark T. Iwicki has been a net buyer of SEPR stock. They have purchased $620.0K and sold $391.2K worth of shares.
Mark T. Iwicki's most recent insider trade was on Jan 5, 2026, when they sold 4,982,706 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $97.00 |
| Discretionary |
| Dec 9, 2025 | AKRO | $0 | Disposition | 9,398 | $N/A | Discretionary |
| Oct 23, 2025 | KALA | $125.5K | Sale | 154,894 | $0.81 | Discretionary |
| Aug 11, 2025 | THRD | $0 | Other | 128,631 | $N/A | Discretionary |
| Jun 26, 2024 | KALA | $72.0K | Sale | 15,168 | $4.75 | Discretionary |
| May 31, 2024 | KALA | $45.0K | Sale | 7,392 | $6.09 | Discretionary |
| Jan 4, 2024 | KALA | $30.5K | Sale | 4,539 | $6.73 | Discretionary |
| Jan 4, 2024 | KALA | $0 | Award | 14,300 | $N/A | Discretionary |
| Jun 22, 2023 | KALA | $0 | Award | 158,873 | $N/A | Discretionary |
| May 31, 2023 | KALA | $0 | Award | 71,715 | $N/A | Discretionary |
| Apr 14, 2023 | MRUS | $242.7K | Option Exercise | 36,944 | $6.57 | Discretionary |
| Apr 14, 2023 | MRUS | $292.0K | Option Exercise | 36,632 | $7.97 | Discretionary |
| Jan 4, 2023 | KALA | $0 | Award | 41,700 | $N/A | Discretionary |
| Jan 4, 2023 | KALA | $5.7K | Sale | 198 | $28.54 | Discretionary |
| Oct 26, 2022 | KALA | $3.7K | Sale | 561 | $6.52 | Discretionary |
| Jun 27, 2022 | KALA | $3.0K | Sale | 7,975 | $0.37 | Discretionary |
| Jan 4, 2022 | KALA | $12.4K | Sale | 9,518 | $1.30 | Discretionary |
| Oct 26, 2021 | KALA | $49.7K | Sale | 27,598 | $1.80 | Discretionary |
| Jun 28, 2021 | KALA | $43.8K | Sale | 7,586 | $5.77 | Discretionary |
| Jan 4, 2021 | KALA | $0 | Award | 76,000 | $N/A | Discretionary |
| Oct 26, 2020 | KALA | $0 | Award | 178,300 | $N/A | Discretionary |
| Oct 13, 2020 | AIMT | $270.5K | Disposition | 7,840 | $34.50 | Discretionary |
| Oct 10, 2020 | AIMT | $1.4M | Tender | 39,567 | $34.50 | Discretionary |
| Jun 25, 2020 | KALA | $0 | Award | 49,560 | $N/A | Discretionary |
| May 27, 2020 | AIMT | $0 | Award | 7,840 | $N/A | Discretionary |
| May 23, 2019 | AIMT | $0 | Award | 6,442 | $N/A | Discretionary |
| May 23, 2018 | AIMT | $0 | Award | 3,750 | $N/A | Discretionary |
| Apr 3, 2018 | PULM | $0 | Purchase | 307,000 | $N/A | Discretionary |
| Feb 26, 2018 | AIMT | $300.0K | Purchase | 9,375 | $32.00 | Discretionary |