Over the past year there were no insider purchases at Biolife Solutions Inc. 11 insiders sold roughly $56.6 million instead.
Keep in mind most insider selling is routine — stock-based pay has to be converted to cash at some point.
Looking at the quarterly pattern: No open-market insider buying or selling in the last full quarter. Insiders bought in 0 of the last 7 full quarters. Big money check: 216 institutions held BLFS as of Q2 2026, and more funds bought than sold.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell | 650,000 | $23.70 | $15.4M | SEC |
| May 21, 2026 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell | 300,000 | $22.65 | $6.8M | SEC |
| May 21, 2026 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell | 250,000 | $23.70 | $5.9M | SEC |
| Mar 31, 2026 | Foster Karen A. | Executive Officer | Sell | 2,577 | $19.17 | $49K | SEC |
| Mar 9, 2026 | Foster Karen A. | Executive Officer | Sell | 500 | $20.00 | $10K | SEC |
| Mar 9, 2026 | Foster Karen A. | Executive Officer | Sell | 96,923 | $20.15 | $2.0M | SEC |
| Mar 5, 2026 | Werner Sean | Executive Officer | Sell | 111 | $20.74 | $2K | SEC |
| Mar 5, 2026 | Foster Karen A. | Executive Officer | Sell | 418 | $20.74 | $9K | SEC |
| Mar 5, 2026 | Mathew Aby J. | Executive Officer | Sell | 529 | $20.74 | $11K | SEC |
| Mar 5, 2026 | Wichterman Troy | CFO | Sell | 588 | $20.74 | $12K | SEC |
| Mar 5, 2026 | Aebersold Sarah | Executive Officer | Sell | 219 | $20.74 | $5K | SEC |
| Mar 5, 2026 | Berard Todd | Executive Officer | Sell | 353 | $20.74 | $7K | SEC |
| Jan 8, 2026 | Wichterman Troy | CFO | Sell | 990 | $25.59 | $25K | SEC |
| Jan 8, 2026 | Foster Karen A. | Executive Officer | Sell | 335 | $25.59 | $9K | SEC |
| Jan 8, 2026 | Mathew Aby J. | Executive Officer | Sell | 405 | $25.59 | $10K | SEC |
In the last 12 months Biolife Solutions Inc insiders made open-market purchases worth about $0 and sales worth about $56.6 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in BLFS was filed on 2026-05-21.
216 investment managers reported holding BLFS in SEC Form 13F filings for Q2 2026.
No congressional trades in BLFS were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).