BioLife Solutions, Inc. (BLFS)Chief Technology Officer sold ~$1.9K

~$1.9K

Approx. value · 72 sh @ $26.83

26K

Holds after · shares reported

Traded

Sep 11, 2025

Filed

Sep 15, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jul 18, 2025InsiderOfficer sold ~$24K of BLFS shares in the open market
2. Aug 11, 2025Insider10% owner sold ~$11.3M of BLFS shares in the open market
3. Aug 15, 2025Insider10% owner sold ~$12.2M of BLFS shares in the open market
4. Aug 25, 2025InsiderOfficer sold ~$255K of BLFS shares in the open market
5. Aug 26, 2025Insider · 6 peopleInsiders: 6 sales (~$56K)
6. Sep 11, 2025 · this disclosureInsiderOfficer sold ~$1.9K of BLFS shares in the open market

What came next

1. Sep 11, 2025Insider · 5 peopleInsiders: 5 sales (~$74K)
2. Sep 15, 2025InsiderOfficer sold ~$18K of BLFS shares in the open market
3. Oct 9, 2025Insider · 5 peopleInsiders: 5 sales (~$61K)
4. Oct 15, 2025Insider10% owner sold ~$21.4M of BLFS shares in the open market
5. Oct 20, 2025InsiderOfficer sold ~$7.7K of BLFS shares in the open market
6. Oct 22, 2025InsiderCEO sold ~$1.03M of BLFS shares in the open market
7. Oct 24, 2025InsiderDirector sold ~$48K of BLFS shares in the open market
8. Nov 6, 2025Company filing · Form 8-K · ResultsReported its results
9. Nov 11, 2025InsiderCEO sold ~$926K of BLFS shares in the open market
10. Nov 12, 2025InsiderCEO sold ~$865K of BLFS shares in the open market
11. Nov 13, 2025InsiderCEO sold ~$789K of BLFS shares in the open market
12. Nov 19, 2025InsiderDirector sold ~$12K of BLFS shares in the open market
13. Nov 20, 2025InsiderDirector sold ~$111K of BLFS shares in the open market
14. Nov 21, 2025InsiderDirector sold ~$26K of BLFS shares in the open market
15. Nov 25, 2025Insider · 7 peopleInsiders: 7 sales (~$113K)
16. Nov 26, 2025InsiderDirector sold ~$54K of BLFS shares in the open market
17. Dec 4, 2025InsiderCFO sold ~$772K of BLFS shares in the open market
18. Dec 9, 2025Insider · 5 peopleInsiders: 5 sales (~$70K)
19. Dec 15, 2025Insider · 2 peopleInsiders: 2 sales (~$67K)
20. Jan 6, 2026Insider · 5 peopleInsiders: 5 sales (~$59K)

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for BioLife Solutions, Inc.

For BioLife Solutions, Inc., OQRO holds 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its BLFS page.

Other recent filings by Sean Werner, Chief Technology Officer

• SEC Form 4 at BioLife Solutions, Inc. (BLFS)Mar 5, 2026
• SEC Form 4 at BioLife Solutions, Inc. (BLFS)Nov 28, 2025
• SEC Form 4 at BioLife Solutions, Inc. (BLFS)Oct 22, 2025
• SEC Form 4 at BioLife Solutions, Inc. (BLFS)Aug 28, 2025
• SEC Form 4 at BioLife Solutions, Inc. (BLFS)Jul 22, 2025

The full history of Sean Werner, Chief Technology Officer is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at BioLife Solutions, Inc.

• USAspending.gov award recordAug 31, 2026
• SEC Form 4May 21, 2026
• SEC Form 4May 21, 2026
• SEC Form 4May 21, 2026
• SEC Form 4Mar 31, 2026
• SEC Form 4Mar 9, 2026

Everything OQRO holds on this company is on its BLFS page.