Boniface John J.
Chief Scientific Officer
Boniface John J. has filed 5 SEC Form 4 filings (5 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Mar 12, 2026.
On the most recent filing, Boniface John J. is listed as Chief Scientific Officer at SERA PROGNOSTICS, INC. Inside the rolling window, Boniface John J. reported no open-market purchases and 4 open-market sales totaling $34K in SERA. The largest disclosed transaction in the window is a sale of 7,767 SERA shares on Nov 10, 2025, worth $20K.
Companies traded
Other insiders at SERA
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$34K
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 11, 2025 | SERA | Sale | $4K |
Frequently asked questions
How many SEC Form 4 filings has Boniface John J. made?
Boniface John J. has filed 5 SEC Form 4 filings (5 transaction rows) across 1 company since 2025.
Which companies does Boniface John J. trade?
Boniface John J. has filed SEC Form 4 disclosures for 1 company, including SERA.
When was Boniface John J.'s most recent SEC Form 4 filing?
Boniface John J.'s most recent SEC Form 4 filing on Tracefour is dated Mar 12, 2026.
What is Boniface John J.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Boniface John J. is listed as Chief Scientific Officer.
What is Boniface John J.'s total buy and sell value in the current window?
Inside the rolling retention window, Boniface John J. bought $0 and sold $34K based on SEC Form 4 filings.
What was Boniface John J.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 7,767 SERA shares on 2025-11-10, worth $20K, per SEC Form 4 filings.