BIOLIFE SOLUTIONS INC

Ticker: BLFS CUSIP: 09062W204 Class: Common Stock

Penbrook Management LLC's Holding History (CIK: 0001381055)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 22,955 Value ($000) $555 Avg Close $26.17 Range $23.57 - $29.62

Q3 2025

Shares 23,155 Value ($000) $591 Avg Close $23.72 Range $20.14 - $27.52

Q2 2025

Shares 30,425 Value ($000) $695 Avg Close $22.54 Range $19.10 - $25.60

Q1 2025

Shares 30,425 Value ($000) $695 Avg Close $26.33 Range $22.16 - $29.55

Q4 2024

Shares 30,650 Value ($000) $796 Avg Close $24.88 Range $19.47 - $28.88

Q3 2024

Shares 30,650 Value ($000) $767 Avg Close $23.62 Range $18.70 - $26.73

Q2 2024

Shares 39,015 Value ($000) $836 Avg Close $19.41 Range $14.84 - $23.10

Q1 2024

Shares 40,250 Value ($000) $747 Avg Close $17.49 Range $14.50 - $19.18

Q4 2023

Shares 40,950 Value ($000) $665 Avg Close $12.76 Range $8.92 - $17.47

Q3 2023

Shares 41,500 Value ($000) $573 Avg Close $15.76 Range $10.48 - $23.85

Q2 2023

Shares 41,500 Value ($000) $917 Avg Close $21.06 Range $16.28 - $24.50

Q1 2023

Shares 41,500 Value ($000) $903 Avg Close $22.49 Range $17.29 - $26.89

Q4 2022

Shares 40,580 Value ($000) $739 Avg Close $20.65 Range $16.77 - $25.76

Q3 2022

Shares 40,630 Value ($000) $924 Avg Close $21.40 Range $13.67 - $26.96

Q2 2022

Shares 48,315 Value ($000) $667 Avg Close $14.67 Range $10.40 - $24.49

Q1 2022

Shares 48,615 Value ($000) $1,105 Avg Close $26.33 Range $20.25 - $38.01

Q4 2021

Shares 48,615 Value ($000) $1,812 Avg Close $42.92 Range $32.03 - $58.80

Q3 2021

Shares 48,695 Value ($000) $2,061 Avg Close $48.16 Range $41.73 - $60.67

Q2 2021

Shares 48,595 Value ($000) $2,163 Avg Close $35.23 Range $28.15 - $45.59

Q1 2021

Shares 48,825 Value ($000) $1,758 Avg Close $39.54 Range $32.84 - $47.97

Q4 2020

Shares 48,825 Value ($000) $1,948 Avg Close $34.10 Range $26.58 - $47.22

Q3 2020

Shares 48,825 Value ($000) $1,413 Avg Close $21.60 Range $15.64 - $29.49

Q2 2020

Shares 45,995 Value ($000) $752 Avg Close $13.79 Range $8.83 - $17.34

Q1 2020

Shares 45,995 Value ($000) $437 Avg Close $13.73 Range $7.37 - $18.05

Q4 2019

Shares 27,145 Value ($000) $440 Avg Close $16.26 Range $13.78 - $19.14

Q3 2019

Shares 28,695 Value ($000) $477 Avg Close $18.77 Range $15.52 - $21.18

Q2 2019

Shares 29,045 Value ($000) $493 Avg Close $17.44 Range $15.06 - $20.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22,955	$555	$26.17	$23.57 - $29.62
Q3 2025	23,155	$591	$23.72	$20.14 - $27.52
Q2 2025	30,425	$695	$22.54	$19.10 - $25.60
Q1 2025	30,425	$695	$26.33	$22.16 - $29.55
Q4 2024	30,650	$796	$24.88	$19.47 - $28.88
Q3 2024	30,650	$767	$23.62	$18.70 - $26.73
Q2 2024	39,015	$836	$19.41	$14.84 - $23.10
Q1 2024	40,250	$747	$17.49	$14.50 - $19.18
Q4 2023	40,950	$665	$12.76	$8.92 - $17.47
Q3 2023	41,500	$573	$15.76	$10.48 - $23.85
Q2 2023	41,500	$917	$21.06	$16.28 - $24.50
Q1 2023	41,500	$903	$22.49	$17.29 - $26.89
Q4 2022	40,580	$739	$20.65	$16.77 - $25.76
Q3 2022	40,630	$924	$21.40	$13.67 - $26.96
Q2 2022	48,315	$667	$14.67	$10.40 - $24.49
Q1 2022	48,615	$1,105	$26.33	$20.25 - $38.01
Q4 2021	48,615	$1,812	$42.92	$32.03 - $58.80
Q3 2021	48,695	$2,061	$48.16	$41.73 - $60.67
Q2 2021	48,595	$2,163	$35.23	$28.15 - $45.59
Q1 2021	48,825	$1,758	$39.54	$32.84 - $47.97
Q4 2020	48,825	$1,948	$34.10	$26.58 - $47.22
Q3 2020	48,825	$1,413	$21.60	$15.64 - $29.49
Q2 2020	45,995	$752	$13.79	$8.83 - $17.34
Q1 2020	45,995	$437	$13.73	$7.37 - $18.05
Q4 2019	27,145	$440	$16.26	$13.78 - $19.14
Q3 2019	28,695	$477	$18.77	$15.52 - $21.18
Q2 2019	29,045	$493	$17.44	$15.06 - $20.00