Boniface John J. - Insider Non-Derivative Transactions at SERA PROGNOSTICS, INC. (SERA) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 10, 2025, Boniface John J.'s relationship to SERA PROGNOSTICS, INC. (SERA) is Officer (Chief Scientific Officer), and currently has 150,397 shares of Class A 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 SERA insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Boniface John J. - Insider Non-Derivative Transactions of SERA Class A Common Stock
Boniface John J. - Insider Non-Derivative Transactions at SERA
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 11, 2025 | Sell -- (Class A Common Stock) | 1332 | 3.31 | 150397 |
| Nov 11, 2025 | Sell -- (Class A Common Stock) | 7767 | 2.62 | 151726 |
| Sep 12, 2025 | Sell -- (Class A Common Stock) | 1395 | 3.13 | 159493 |
| Aug 9, 2025 | Sell -- (Class A Common Stock) | 7094 | 2.54 | 160888 |
| Jun 11, 2025 | Sell -- (Class A Common Stock) | 1439 | 1.48 | 167982 |
| May 31, 2025 | Acquisition -- (Class A Common Stock) | 3703 | 1.33 | 169421 |
| May 9, 2025 | Sell -- (Class A Common Stock) | 5132 | 2.44 | 165718 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 2044 | 4.16 | 170850 |
| Mar 6, 2025 | Acquisition -- (Class A Common Stock) | 47010 | 0 | 172894 |
| Feb 13, 2025 | Sell -- (Class A Common Stock) | 5915 | 4.58 | 125884 |
| Nov 12, 2024 | Sell -- (Class A Common Stock) | 4727 | 7.32 | 125120 |
| Aug 8, 2024 | Sell -- (Class A Common Stock) | 5022 | 7.42 | 129847 |
| May 9, 2024 | Sell -- (Class A Common Stock) | 4902 | 9.59 | 134869 |
| Mar 29, 2024 | Sell -- (Class A Common Stock) | 24474 | 9.04 | 139771 |
| Mar 29, 2024 | M -- (Class A Common Stock) | 24474 | 0.91 | 164245 |
| Mar 28, 2024 | Sell -- (Class A Common Stock) | 3753 | 9.62 | 139771 |
| Mar 28, 2024 | Sell -- (Class A Common Stock) | 48909 | 9.62 | 139771 |
| Mar 28, 2024 | M -- (Class A Common Stock) | 48909 | 0.91 | 188680 |
| Mar 27, 2024 | Sell -- (Class A Common Stock) | 21438 | 9.55 | 143524 |
| Mar 26, 2024 | Sell -- (Class A Common Stock) | 22163 | 9.1 | 164962 |
| Mar 7, 2024 | Sell -- (Class A Common Stock) | 1664 | 9.02 | 187125 |
| Feb 7, 2024 | Sell -- (Class A Common Stock) | 5665 | 8.03 | 188789 |
| Dec 8, 2023 | Sell -- (Class A Common Stock) | 5000 | 4.8 | 194454 |
| Nov 7, 2023 | Acquisition -- (Class A Common Stock) | 125000 | 0 | 194454 |
| Mar 7, 2023 | Acquisition -- (Class A Common Stock) | 22100 | 0 | 69454 |
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