Watson David O. - Insider Non-Derivative Transactions at Apellis Pharmaceuticals, Inc. (APLS) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 16, 2025, Watson David O.'s relationship to Apellis Pharmaceuticals, Inc. (APLS) is Officer (General Counsel), and currently has 103,730 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other APLS insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Watson David O. - Insider Non-Derivative Transactions of APLS Common Stock
Watson David O. - Insider Non-Derivative Transactions at APLS
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 17, 2025 | Sell -- (Common Stock) | 5000 | 24.49 | 103730 |
| Nov 18, 2025 | Sell -- (Common Stock) | 5000 | 20.06 | 108730 |
| Oct 17, 2025 | Sell -- (Common Stock) | 5000 | 25.22 | 113730 |
| Sep 17, 2025 | Sell -- (Common Stock) | 5000 | 24.34 | 118730 |
| Sep 11, 2025 | Sell -- (Common Stock) | 20000 | 26.17 | 50136 |
| Aug 19, 2025 | Sell -- (Common Stock) | 5000 | 27.8 | 123730 |
| Jul 17, 2025 | Sell -- (Common Stock) | 5000 | 19.55 | 128730 |
| Jun 17, 2025 | Sell -- (Common Stock) | 5000 | 18.77 | 133730 |
| Mar 6, 2025 | Sell -- (Common Stock) | 5569 | 25.1 | 138730 |
| Mar 5, 2025 | G -- (Common Stock) | 6667 | 0 | 0 |
| Mar 5, 2025 | G -- (Common Stock) | 6667 | 0 | 10000 |
| Jan 30, 2025 | Sell -- (Common Stock) | 695 | 29.52 | 144299 |
| Jan 23, 2025 | Sell -- (Common Stock) | 3323 | 30.43 | 144994 |
| Jan 22, 2025 | Acquisition -- (Common Stock) | 42762 | 0 | 148317 |
| Jan 18, 2025 | Sell -- (Common Stock) | 2201 | 29.96 | 105555 |
| Jan 14, 2025 | Sell -- (Common Stock) | 4965 | 28.7 | 107756 |
| Dec 12, 2024 | Sell -- (Common Stock) | 5000 | 34.24 | 112721 |
| Sep 28, 2024 | G -- (Common Stock) | 10569 | 0 | 70136 |
| Sep 28, 2024 | G -- (Common Stock) | 10569 | 0 | 117721 |
| Mar 7, 2024 | M -- (Common Stock) | 3762 | 13.85 | 107152 |
| Feb 13, 2024 | Sell -- (Common Stock) | 781 | 67.77 | 103390 |
| Jan 30, 2024 | Sell -- (Common Stock) | 906 | 64.14 | 104171 |
| Jan 23, 2024 | Sell -- (Common Stock) | 4184 | 65 | 105077 |
| Jan 17, 2024 | Sell -- (Common Stock) | 4240 | 66.81 | 109261 |
| Jan 17, 2024 | Acquisition -- (Common Stock) | 23748 | 0 | 113501 |
| Dec 20, 2023 | Sell -- (Common Stock) | 2300 | 57.38 | 89753 |
| Dec 20, 2023 | Sell -- (Common Stock) | 1605 | 57 | 92053 |
| Dec 20, 2023 | M -- (Common Stock) | 7905 | 13.85 | 93658 |
| Jul 4, 2023 | Sell -- (Common Stock) | 8510 | 89.98 | 85753 |
| Jun 29, 2023 | G -- (Common Stock) | 12750 | 0 | 80705 |
| Jun 29, 2023 | G -- (Common Stock) | 12750 | 0 | 94263 |
| Apr 22, 2023 | G -- (Common Stock) | 67955 | 0 | 67955 |
| Apr 22, 2023 | G -- (Common Stock) | 67955 | 0 | 107013 |
| Feb 22, 2023 | F -- (Common Stock) | 825 | 58.5 | 174968 |
| Feb 22, 2023 | Acquisition -- (Common Stock) | 9886 | 0 | 175793 |
| Feb 11, 2023 | F -- (Common Stock) | 532 | 51.21 | 165907 |
| Jan 28, 2023 | F -- (Common Stock) | 551 | 52.77 | 166439 |
| Jan 21, 2023 | F -- (Common Stock) | 2034 | 52.05 | 166990 |
| Jan 13, 2023 | Acquisition -- (Common Stock) | 24003 | 0 | 139572 |
| Jan 13, 2023 | Acquisition -- (Common Stock) | 29452 | 0 | 169024 |
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