John J. Boniface
Chief Scientific Officer · SERA PROGNOSTICS, INC.
- 2024
- May 6, 2026
- 8
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John J. Boniface files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Zhenya Lindgardt - $291K in SERA purchases and sales in the last 12 months
- Paul Kearney - $131K in SERA purchases and sales in the last 12 months
- Austin Aerts - $66K in SERA purchases and sales in the last 12 months
- Robert Gardner Harrison - $56K in SERA purchases and sales in the last 12 months
- Benjamin Jackson - $38K in SERA purchases and sales in the last 12 months
- Tiffany Eul Davis Inglis - $18K in SERA purchases and sales in the last 12 months
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Frequently asked questions
Who is John J. Boniface?
John J. Boniface is a corporate insider, tracked as Chief Scientific Officer of SERA PROGNOSTICS, INC. (SERA). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did John J. Boniface last file a Form 4?
The most recent primary Form 4 on record is dated 6 May 2026, one of 8 filings going back to 2024.
Has John J. Boniface been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($91K) across all tracked filings.
