Karen A. Foster

BLFS

Karen A. Foster serves as officer: Chief Quality and Operations at BioLife Solutions, Inc. (BLFS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

76 trades

$10.10M

Net Position

Net Seller

$10.10M

Companies Traded

BLFS

Active Period

Feb 2021 – Mar 2026

76 total trades

Most Recent

Sell BLFS

Mar 31, 2026 · $49.4K

Karen A. Foster's Insider Trading at BioLife Solutions, Inc. (BLFS)

Buys

0 · $0.00

Sells

50 · $2.69M

Total Shares Bought

Total Shares Sold

132,472

BLFS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 31, 2026	Sell	2,577	$19.17	$49.4K	108,758
Mar 9, 2026	Sell	97,423	$20.15	$1.96M	113,742
Mar 5, 2026	Sell	418	$20.74	$8.7K	210,665
Jan 6, 2026	Sell	335	$25.59	$8.6K	0
Dec 9, 2025	Sell	519	$25.13	$13.0K	0
Nov 25, 2025	Sell	415	$26.74	$11.1K	0
Oct 9, 2025	Sell	419	$27.36	$11.5K	0
Sep 11, 2025	Sell	511	$26.83	$13.7K	0
Aug 26, 2025	Sell	413	$25.44	$10.5K	0
Jul 7, 2025	Sell	400	$22.27	$8.9K	0
Jun 10, 2025	Sell	320	$23.70	$7.6K	0
May 28, 2025	Sell	251	$22.46	$5.6K	0
Apr 9, 2025	Sell	286	$20.11	$5.8K	0
Apr 1, 2025	Sell	7,869	$22.66	$178.3K	0
Mar 11, 2025	Sell	1,331	$25.00	$33.3K	0
Mar 3, 2025	Sell	324	$25.46	$8.2K	0
Feb 12, 2025	Sell	78	$26.54	$2.1K	0
Jan 6, 2025	Sell	328	$27.02	$8.9K	0
Nov 26, 2024	Sell	252	$27.20	$6.9K	0
Nov 12, 2024	Sell	66	$26.34	$1.7K	0
Oct 30, 2024	Sell	277	$23.15	$6.4K	0
Jul 18, 2024	Sell	603	$24.16	$14.6K	0
May 29, 2024	Sell	408	$21.78	$8.9K	0
May 17, 2024	Sell	85	$22.18	$1.9K	0
Apr 18, 2024	Sell	481	$15.31	$7.4K	0
Mar 27, 2024	Sell	395	$17.99	$7.1K	0
Mar 8, 2024	Sell	5,496	$16.65	$91.5K	0
Feb 21, 2024	Sell	87	$17.35	$1.5K	0
Jan 19, 2024	Sell	1,198	$16.76	$20.1K	0
Jan 2, 2024	Sell	601	$16.75	$10.1K	0
Nov 19, 2023	Sell	466	$12.37	$5.8K	0
Nov 13, 2023	Sell	114	$10.77	$1.2K	0
Sep 24, 2023	Sell	568	$14.16	$8.0K	0
Aug 25, 2023	Sell	410	$10.99	$4.5K	0
Aug 14, 2023	Sell	156	$12.38	$1.9K	0
Jun 27, 2023	Sell	590	$22.91	$13.5K	0
May 31, 2023	Sell	392	$23.21	$9.1K	0
May 15, 2023	Sell	106	$18.71	$2.0K	0
Apr 6, 2023	Sell	1,101	$20.03	$22.1K	0
Mar 29, 2023	Sell	390	$20.62	$8.0K	0
Mar 7, 2023	Sell	175	$22.95	$4.0K	0
Mar 1, 2023	Sell	1,203	$22.75	$27.4K	0
Feb 9, 2023	Sell	81	$24.60	$2.0K	0
Dec 28, 2022	Sell	605	$16.90	$10.2K	0
Nov 29, 2022	Sell	307	$19.93	$6.1K	0
Nov 10, 2022	Sell	91	$23.16	$2.1K	0
Sep 29, 2022	Sell	559	$23.02	$12.9K	0
Aug 31, 2022	Sell	299	$23.44	$7.0K	0
Aug 10, 2022	Sell	95	$23.17	$2.2K	0
Jun 28, 2022	Sell	598	$14.86	$8.9K	0