Amy Du Ross Biolife Solutions Inc (BLFS) insider trading activity

Amy Du Ross is Director of BIOLIFE SOLUTIONS INC. Currently has a direct ownership of 18,687 shares of BLFS, which is worth approximately $449,796. The most recent transaction as insider was on Dec 15, 2025, when has been sold 2,000 shares (Common Stock) at a price of $24.6 per share, resulting in proceeds of $49,200. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 18.7K

39.1% 3M change

36.53% 12M change

Total Value Held $449,796

Amy DuRoss Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 15 2025	SELL Open market or private sale	$49,200 $24.6 p/Share	2,000 Reduced 9.67%	18,687 Common Stock
Nov 26 2025	SELL Open market or private sale	$54,000 $27.0 p/Share	2,000 Reduced 8.82%	20,687 Common Stock
Nov 25 2025	SELL Open market or private sale	$54,000 $27.0 p/Share	2,000 Reduced 8.1%	22,687 Common Stock
Nov 21 2025	SELL Open market or private sale	$26,000 $26.0 p/Share	1,000 Reduced 3.89%	24,687 Common Stock
Nov 20 2025	SELL Open market or private sale	$110,858 $24.51 p/Share	4,523 Reduced 14.97%	25,687 Common Stock
Nov 19 2025	SELL Open market or private sale	$11,686 $24.5 p/Share	477 Reduced 1.55%	30,210 Common Stock
Mar 18 2025	BUY Grant, award, or other acquisition	-	6,876 Added 18.31%	30,687 Common Stock

Mar 14 2025	SELL Open market or private sale	$140,574 $24.96 p/Share	5,632 Reduced 19.13%	23,811 Common Stock
Mar 13 2024	SELL Open market or private sale	$86,105 $17.0 p/Share	5,065 Reduced 14.68%	29,443 Common Stock
Mar 12 2024	SELL Open market or private sale	$103,436 $16.86 p/Share	6,135 Reduced 15.09%	34,508 Common Stock
Mar 08 2024	BUY Grant, award, or other acquisition	-	11,264 Added 21.7%	40,643 Common Stock
Nov 01 2023	BUY Grant, award, or other acquisition	-	598 Added 1.99%	29,379 Common Stock
Oct 01 2023	BUY Grant, award, or other acquisition	-	437 Added 1.5%	28,781 Common Stock
Jan 03 2023	BUY Grant, award, or other acquisition	-	10,187 Added 26.44%	28,344 Common Stock
Nov 15 2022	SELL Open market or private sale	$63,310 $24.35 p/Share	2,600 Reduced 12.53%	18,157 Common Stock
Aug 01 2022	BUY Grant, award, or other acquisition	-	295 Added 1.4%	20,757 Common Stock
Jul 01 2022	BUY Grant, award, or other acquisition	-	389 Added 1.87%	20,462 Common Stock
Jun 01 2022	BUY Grant, award, or other acquisition	-	343 Added 1.68%	20,073 Common Stock
May 06 2022	BUY Grant, award, or other acquisition	-	14,730 Added 42.75%	19,730 Common Stock
Apr 12 2021	BUY Grant, award, or other acquisition	-	5,000 Added 50.0%	5,000 Common Stock

Amy Du Ross

Director

Bothell, WA

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