Insider trade

Officer sold ~$14K of BLFS shares in the open market

Traded Oct 9, 2025 · Filed Oct 14, 2025

~$14K
Approx. value · 509 sh @ $27.36: 351K
Holds after · shares reported: +40.7%
stock since the trade · S&P 500 +15.4%, $27.45 → $38.61 on Oct 5

Why it stands out

BioLife Solutions's & Chief Scientific Officer sold $14K of BioLife Solutions shares. The filing says it was made under a pre-arranged trading plan.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Oct 9, 2025
Reporting period: Not applicable
Filed with the SEC: Oct 14, 2025

Officer<$25KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$13,926

Shares × reported transaction price

Timing vs results

63 days after results of Aug 7, 2025, 28 days before results of Nov 6, 2025

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	−4.2%	+0.4%	−4.6%
30 days	−16.3%	+1.0%	−17.3%
90 days	−16.9%	+4.3%	−21.2%
180 days	−30.1%	+3.1%	−33.2%

Past results only. Not a forecast.

Source receipt

Record ID: 0001628280-25-045017
Filed / recorded: Oct 14, 2025, 9:30 PM UTC
Added to OQRO: Oct 6, 2026, 10:14 PM UTC
Parser: form4-xml-v2
Data quality: Verified: identifiers matched exactly
Issuer: BIOLIFE SOLUTIONS INC
Issuer CIK: 834365
Ticker: BLFS
Reporting person: Aby J. Mathew
Relationship: Officer
Officer title: EVP & Chief Scientific Officer
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Oct 9, 2025
Transaction code: S
Shares / units: 509
Price per share: $27.36
Acquired / disposed: Disposed (D)
Shares owned after: 350,912
Ownership form: Direct
Amendment: No

Footnotes from the filing

The sale reported herein was made pursuant to a Rule 10b5-1 (c) trading plan adopted by the reporting person effective as of 01-03-2023 to satisfy tax withholding obligations in connection with the vesting of shares of restricted stock.

Around the same time

Greef Roderick DePresident and CEO

Filed 11mo ago

Sold

~$926K35K sh @ $26.15

Traded Nov 11, 2025 · filed 2 days laterNot under a reported trading plan

The CEO of BioLife Solutions sold $926K of BioLife Solutions shares. The filing does not indicate a pre-arranged trading plan.

More Official record

Greef Roderick DePresident and CEO

Filed 11mo ago

Sold

~$865K33K sh @ $25.88

Traded Nov 12, 2025 · filed 1 day laterNot under a reported trading plan

The CEO of BioLife Solutions sold $865K of BioLife Solutions shares. The filing does not indicate a pre-arranged trading plan.

More Official record

Greef Roderick DePresident and CEO

Filed 11mo ago

Sold

~$789K31K sh @ $25.33

Traded Nov 13, 2025 · filed the same dayNot under a reported trading plan

The CEO of BioLife Solutions sold $789K of BioLife Solutions shares. The filing does not indicate a pre-arranged trading plan.

More Official record