Boniface John J.

Chief Scientific Officer

1 company

Good

Trades Analyzed

12M Win Rate

32.4%

Avg 3M Return

+3.7%

Avg 12M Return

-26.0%

Boniface John J. is a Chief Scientific Officer at Sera Prognostics, Inc.. Recent SEC Form 4 filings include 0 buys and 10 sells.

Estimated insider holdings value: $274K based on current market prices.

Holdings by Company

SERAMar 11, 2026

Current Shares145.8K

Value$274.2K

Net Activity-240,852

Bought: 0Sold: 240.9K

Showing 10 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Mar 11, 2026	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	1,517	$2.04	$3,094.68	-1.0%	-	-
Dec 10, 2025	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	1,332	$3.31	$4,408.92	-0.9%	-46.8%	-
Nov 10, 2025	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	7,767	$2.62	$20,349.54	-4.9%	+5.1%	-
Sep 11, 2025	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	1,395	$3.13	$4,366.35	-0.9%	+10.7%	-
Aug 8, 2025	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	7,094	$2.54	$18,018.76	-4.2%	+8.9%	-
Jun 10, 2025	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	1,439	$1.48	$2,129.72	-0.8%	+112.8%	-
May 8, 2025	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	5,132	$2.44	$12,522.08	-3.0%	+29.7%	-11.3%
Mar 6, 2025	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	2,044	$4.16	$8,503.04	-1.2%	-59.0%	-53.5%
Feb 12, 2025	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	5,915	$4.58	$27,090.70	-4.5%	-45.2%	-39.4%
Nov 11, 2024	SERA Sera Prognostics, Inc.	Chief Scientific Officer	Sell	4,727	$7.32	$34,601.64	-3.6%	-40.2%	-63.8%