Insider trade

CEO sold ~$1.03M of BLFS shares in the open market

Traded Oct 22, 2025 · Filed Oct 24, 2025

~$1.03M
Approx. value · 38K sh @ $27.30: 490K
Holds after · shares reported: +40.2%
stock since the trade · S&P 500 +16.0%, $27.54 → $38.61 on Oct 5

Why it stands out

The CEO of BioLife Solutions sold $1.03M 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 22, 2025
Reporting period: Not applicable
Filed with the SEC: Oct 24, 2025

CEO$1M+Pre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,031,804

Shares × reported transaction price

Timing vs results

76 days after results of Aug 7, 2025, 15 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	−0.6%	−0.3%	−0.3%
30 days	−4.8%	−0.8%	−4.0%
90 days	−11.1%	+1.1%	−12.2%
180 days	−23.6%	+4.4%	−28.0%

Past results only. Not a forecast.

Source receipt

Record ID: 0001628280-25-046297
Filed / recorded: Oct 24, 2025, 9:03 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: Greef Roderick De
Relationship: Director, Officer
Officer title: President and CEO
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Oct 22, 2025
Transaction code: S
Shares / units: 37,795
Price per share: $27.30
Acquired / disposed: Disposed (D)
Shares owned after: 489,998
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 10-19-2023 to satisfy tax withholding obligations in connection with the vesting of shares of restricted stock.

Around the same time

Amy DurossDirector

Filed 11mo ago

Sold

~$12K477 sh @ $24.50

Traded Nov 19, 2025 · filed 2 days laterNot under a reported trading plan

A BioLife Solutions director sold $12K of BioLife Solutions shares. The filing does not indicate a pre-arranged trading plan.

More Official record

Amy DurossDirector

Filed 11mo ago

Sold

~$111K4,523 sh @ $24.51

Traded Nov 20, 2025 · filed 1 day laterNot under a reported trading plan

A BioLife Solutions director sold $111K of BioLife Solutions shares. The filing does not indicate a pre-arranged trading plan.

More Official record

Amy DurossDirector

Filed 11mo ago

Sold

~$26K1,000 sh @ $26.00

Traded Nov 21, 2025 · filed the same dayNot under a reported trading plan

A BioLife Solutions director sold $26K of BioLife Solutions shares. The filing does not indicate a pre-arranged trading plan.

More Official record