Changes in Beneficial Ownership · 4
BioLife Solutions, Inc.
BLFSNASDAQEQUITYCurrent
Changes in Beneficial Ownership
Structured filing — 4
wk-form4_1790111510.xml
Filing details
- Report period
- 2026-09-18
- Issuer
- BIOLIFE SOLUTIONS INC
- Issuer CIK
- 0000834365
- Trading symbol
- BLFS
Reporting owner 1
- Name
- Mathew Aby J.
- Reporting owner CIK
- 0001556355
- Relationship
- Officer
- Officer title
- EVP & Chief Scientific Officer
- Address
- 3303 MONTE VILLA PARKWAY, SUITE 310, BOTHELL, WA, 98021
Non-derivative transactions
| Security | Transaction date | Code | Amount | A / D | Price (USD) | Owned after | Ownership |
|---|---|---|---|---|---|---|---|
| Common Stock | 2026-09-18 | F · Form 4 | 564[F1] | D | 36.69 | 387,269 | D |
Table key
- F · Form 4
- Securities delivered or withheld for exercise price or tax liability under Rule 16b-3
- D
- Direct
Footnotes
- F1
- Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.↩ 1
Signature 1
- Signed
- /s/ Aby J. Mathew
- Date
- 2026-09-22