Insider trade

Officer sold ~$49K of BLFS shares in the open market

Traded Mar 23, 2026 · Filed Mar 31, 2026

~$49K
Approx. value · 2,577 sh @ $19.17: 109K
Holds after · shares reported: +101.4%
stock since the trade · S&P 500 +18.2%, $19.17 → $38.61 on Oct 5

Why it stands out

BioLife Solutions's Chief Quality and Operations sold $49K 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: Mar 23, 2026
Reporting period: Not applicable
Filed with the SEC: Mar 31, 2026

Officer$25K–$100KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$49,401

Shares × reported transaction price

Timing vs results

25 days after results of Feb 26, 2026, 45 days before results of May 7, 2026

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	+2.2%	+3.2%	−1.0%
30 days	+9.9%	+10.0%	0.0%
90 days	+46.4%	+14.0%	+32.4%
180 days	+103.0%	+16.8%	+86.1%

Past results only. Not a forecast.

Source receipt

Record ID: 0001628280-26-022501
Filed / recorded: Mar 31, 2026, 9:19 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: Karen A. Foster
Relationship: Officer
Officer title: Chief Quality and Operations
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Mar 23, 2026
Transaction code: S
Shares / units: 2,577
Price per share: $19.17
Acquired / disposed: Disposed (D)
Shares owned after: 108,758
Ownership form: Direct
Amendment: No

Footnotes from the filing

The sales reported were effected pursuant to a Rule 10b5-1 (c) trading plan adopted by the reporting person effective as of 12-04-2025
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.99 to $19.35, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.