John J. Boniface

SERA

John J. Boniface serves as officer: Chief Scientific Officer at Sera Prognostics, Inc. (SERA). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

38 trades

$1.54M

Net Position

Net Seller

$1.54M

Companies Traded

SERA

Active Period

Mar 2022 – Mar 2026

38 total trades

Most Recent

Sell SERA

Mar 12, 2026 · $3.1K

John J. Boniface's Insider Trading at Sera Prognostics, Inc. (SERA)

Buys

0 · $0.00

Sells

38 · $1.54M

Total Shares Bought

Total Shares Sold

239,163

SERA Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 12, 2026	Sell	1,517	$2.04	$3.1K	145,842
Mar 10, 2026	Sell	3,038	$1.96	$6.0K	147,359
Dec 10, 2025	Sell	1,332	$3.31	$4.4K	0
Nov 10, 2025	Sell	7,767	$2.62	$20.3K	0
Sep 11, 2025	Sell	1,395	$3.13	$4.4K	0
Aug 8, 2025	Sell	7,094	$2.54	$18.0K	0
Jun 10, 2025	Sell	1,439	$1.48	$2.1K	0
May 8, 2025	Sell	5,132	$2.44	$12.5K	0
Mar 5, 2025	Sell	2,044	$4.16	$8.5K	0
Feb 14, 2025	Sell	5,915	$4.58	$27.1K	125,884
Aug 8, 2024	Sell	5,022	$7.42	$37.3K	129,847
May 10, 2024	Sell	4,902	$9.59	$47.0K	134,869
Mar 28, 2024	Sell	77,136	$9.44	$727.9K	139,771
Mar 26, 2024	Sell	43,601	$9.32	$406.4K	164,962
Mar 7, 2024	Sell	1,664	$9.02	$15.0K	187,125
Feb 7, 2024	Sell	5,665	$8.03	$45.5K	188,789
Dec 7, 2023	Sell	5,000	$4.80	$24.0K	194,454
Jul 27, 2022	Sell	3,725	$2.17	$8.1K	46,510
Jul 19, 2022	Sell	2,725	$1.86	$5.1K	49,235
Jul 13, 2022	Sell	2,725	$1.84	$5.0K	51,960
Jul 5, 2022	Sell	2,725	$1.63	$4.4K	54,685
Jun 29, 2022	Sell	3,725	$1.84	$6.9K	57,410
Jun 21, 2022	Sell	2,725	$1.31	$3.6K	60,135
Jun 16, 2022	Sell	2,725	$1.21	$3.3K	62,860
Jun 7, 2022	Sell	2,725	$1.30	$3.5K	65,585
Jun 1, 2022	Sell	3,725	$1.43	$5.3K	68,310
May 24, 2022	Sell	2,725	$1.54	$4.2K	71,035
May 17, 2022	Sell	2,725	$1.55	$4.2K	73,760
May 10, 2022	Sell	2,725	$1.97	$5.4K	76,485
May 4, 2022	Sell	1,000	$2.17	$2.2K	79,210
May 3, 2022	Sell	2,725	$2.17	$5.9K	79,210
Apr 26, 2022	Sell	2,725	$2.17	$5.9K	81,935
Apr 20, 2022	Sell	2,725	$2.08	$5.7K	84,660
Apr 13, 2022	Sell	2,725	$2.66	$7.2K	87,385
Apr 7, 2022	Sell	3,725	$3.26	$12.1K	90,110
Mar 30, 2022	Sell	2,725	$3.73	$10.2K	92,835
Mar 23, 2022	Sell	2,725	$3.68	$10.0K	95,560
Mar 15, 2022	Sell	2,725	$3.94	$10.7K	98,285