BioLife Solutions, Inc. (BLFS) Insider Trading
Over the last 6 months, 154 institutions increased and 111 reduced their position (13F).
Insider Activity
Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
Oct
Nov
Dec
Jan
Mar
May
Context3-month price +37.8%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 21, 2026 | Werner Seanofficer: Chief Technology Officer | Tax | 275 | $29.15 |
| Jul 13, 2026 | Mathew Aby J.officer: EVP & Chief Scientific Officer | Tax | 516 | $27.79 |
| Jul 13, 2026 | Wichterman Troyofficer: Chief Financial Officer | Tax | 844 | $27.79 |
| Jul 13, 2026 | Berard Toddofficer: Chief Marketing Officer | Tax | 293 | $27.79 |
| Jun 22, 2026 | DE GREEF RODERICKdirector, officer: President and CEO | Tax | 2,775 | $26.04 |
| Jun 22, 2026 | Werner Seanofficer: Chief Technology Officer | Tax | 420 | $26.04 |
| Jun 22, 2026 | Mathew Aby J.officer: EVP & Chief Scientific Officer | Tax | 564 | $26.04 |
| Jun 22, 2026 | Berard Toddofficer: Chief Marketing Officer | Tax | 470 | $26.04 |
| Jun 22, 2026 | Wichterman Troyofficer: Chief Financial Officer | Tax | 937 | $26.04 |
| Jun 10, 2026 | Wichterman Troyofficer: Chief Financial Officer | Tax | 1,026 | $26.10 |
| Jun 10, 2026 | Berard Toddofficer: Chief Marketing Officer | Tax | 356 | $26.10 |
| Jun 10, 2026 | Mathew Aby J.officer: EVP & Chief Scientific Officer | Tax | 627 | $26.10 |
| May 21, 2026 | Casdin Partners Master Fund, L.P.10 percent owner | Sell | 250,000 | $23.70 |
| May 21, 2026 | Casdin Partners Master Fund, L.P.10 percent owner | Sell | 650,000 | $23.70 |
| May 21, 2026 | Casdin Partners Master Fund, L.P.10 percent owner | Sell | 300,000 | $22.65 |
| Apr 10, 2026 | Mathew Aby J.officer: EVP & Chief Scientific Officer | Tax | 515 | $19.27 |
| Apr 10, 2026 | Berard Toddofficer: Chief Marketing Officer | Tax | 293 | $19.27 |
| Apr 10, 2026 | Wichterman Troyofficer: Chief Financial Officer | Tax | 844 | $19.27 |
| Mar 31, 2026 | Foster Karen A.officer: Chief Quality and Operations | Sell | 2,577 | $19.17 |
| Mar 23, 2026 | Berard Toddofficer: Chief Marketing Officer | Tax | 1,879 | $19.12 |
| Mar 23, 2026 | Mathew Aby J.officer: EVP & Chief Scientific Officer | Tax | 2,255 | $19.12 |
| Mar 23, 2026 | Foster Karen A.officer: Chief Quality and Operations | Tax | 1,907 | $19.12 |
| Mar 23, 2026 | DE GREEF RODERICKdirector, officer: President and CEO | Tax | 11,101 | $19.12 |
| Mar 23, 2026 | Werner Seanofficer: Chief Technology Officer | Tax | 1,681 | $19.12 |
| Mar 23, 2026 | Aebersold Sarahofficer: Chief Human Resources Officer | Tax | 931 | $19.12 |
| Mar 23, 2026 | Wichterman Troyofficer: Chief Financial Officer | Tax | 3,749 | $19.12 |
| Mar 9, 2026 | Foster Karen A.officer: Chief Quality and Operations | Sell | 500 | $20.00 |
| Mar 9, 2026 | Foster Karen A.officer: Chief Quality and Operations | Sell | 96,923 | $20.15 |
| Mar 5, 2026 | Werner Seanofficer: Chief Technology Officer | Sell | 111 | $20.74 |
| Mar 5, 2026 | Mathew Aby J.officer: EVP & Chief Scientific Officer | Sell | 529 | $20.74 |
Source: BLFS SEC Form 4 filings, latest Jul 21, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their BLFS positions over the last 6 months (SEC Form 13F).
Increased
154
New positions
92
Reduced
111
Sold out
26
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | Increased | 6.8M | Aug 14, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 6.5M | May 15, 2026 |
| BlackRock, Inc. | Increased | 6.4M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 6.1M | May 13, 2026 |
| CASDIN CAPITAL, LLC | Unchanged | 6.0M | May 15, 2026 |
| Casdin Capital, LLC | Reduced | 4.7M | Aug 14, 2026 |
| INVESCO LTD. | Reduced | 2.3M | May 12, 2026 |
| Invesco Ltd. | Reduced | 2.2M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 2.0M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.9M | May 15, 2026 |
| STATE STREET CORP | Increased | 1.7M | Aug 7, 2026 |
| STATE STREET CORP | Increased | 1.6M | May 15, 2026 |
| FMR LLC | Reduced | 1.5M | May 15, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Increased | 1.2M | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.1M | Aug 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.