BLFS
BioLife Solutions, Inc.$26.36-0.23 (-0.86%)Prev Close$26.60·MCap$1.32B·P/E—·Vol523.1K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
59
$35.69M
◆
Net Activity
Net Seller
$35.69M
●
Active Insiders
10
last 12 mo
Over the past 12 months, insider activity at BioLife Solutions, Inc. (BLFS) has been exclusively selling, with 0 insider purchases totaling $0.00 and 59 insider sales totaling $35.69M. The most recent insider transaction was by Casdin Partners Master Fund, L.P. (10 percent owner), who sold $28.13M worth of shares on May 21, 2026. BioLife Solutions, Inc. operates in the Healthcare sector, within the Medical - Instruments & Supplies industry, with a market cap of $1.32B.
BLFS Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | Casdin Partners Master Fund, L.P. | 10 percent owner | Sell | 1,200,000 | $23.44 | $28.13M2.5% OS | 5,657,165 |
| Mar 31, 2026 | Foster Karen A. | officer: Chief Quality and Operations | Sell | 2,577 | $19.17 | $49.4K | 108,758 |
| Mar 9, 2026 | Foster Karen A. | officer: Chief Quality and Operations | Sell | 97,423 | $20.15 | $1.96M | 113,742-46% |
| Mar 5, 2026 | Aebersold Sarah | officer: Chief Human Resources Officer | Sell | 219 | $20.74 | $4.5K | 93,360 |
| Mar 5, 2026 | Berard Todd | officer: Chief Marketing Officer | Sell | 353 | $20.74 | $7.3K | 165,940 |
| Mar 5, 2026 | Foster Karen A. | officer: Chief Quality and Operations | Sell | 418 | $20.74 | $8.7K | 210,665 |
| Mar 5, 2026 | Mathew Aby J. | officer: EVP & Chief Scientific Officer | Sell | 529 | $20.74 | $11.0K | 392,937 |
| Mar 5, 2026 | Werner Sean | officer: Chief Technology Officer | Sell | 111 | $20.74 | $2.3K | 49,932 |
| Mar 5, 2026 | Wichterman Troy | officer: Chief Financial Officer | Sell | 588 | $20.74 | $12.2K | 220,649 |
| Jan 6, 2026 | Aebersold Sarah | Chief Human Resources Officer | Sell | 241 | $25.59 | $6.2K | 0 |
| Jan 6, 2026 | Berard Todd | Chief Marketing Officer | Sell | 344 | $25.59 | $8.8K | 0 |
| Jan 6, 2026 | Foster Karen A. | Chief Quality and Operations | Sell | 335 | $25.59 | $8.6K | 0 |
| Jan 6, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 405 | $25.59 | $10.4K | 0 |
| Jan 6, 2026 | Wichterman Troy | Chief Financial Officer | Sell | 990 | $25.59 | $25.3K | 0 |
| Dec 15, 2025 | DuRoss Amy | Director | Sell | 2,000 | $24.60 | $49.2K | 0 |
| Dec 9, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 946 | $24.63 | $23.3K | 0 |
| Dec 9, 2025 | Berard Todd | Chief Marketing Officer | Sell | 358 | $25.13 | $9.0K | 0 |
| Dec 9, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 519 | $25.13 | $13.0K | 0 |
| Dec 9, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 631 | $25.13 | $15.9K | 0 |
| Dec 9, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 1,033 | $25.13 | $26.0K | 0 |
| Dec 4, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 30,000 | $25.72 | $771.6K | 0 |
| Nov 25, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 217 | $26.74 | $5.8K | 0 |
| Nov 25, 2025 | Berard Todd | Chief Marketing Officer | Sell | 351 | $26.74 | $9.4K | 0 |
| Nov 25, 2025 | DuRoss Amy | Director | Sell | 4,000 | $27.00 | $108.0K | 0 |
| Nov 25, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 415 | $26.74 | $11.1K | 0 |
| Nov 25, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 526 | $26.74 | $14.1K | 0 |
| Nov 25, 2025 | Werner Sean | Chief Technology Officer | Sell | 110 | $26.74 | $2.9K | 0 |
| Nov 25, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 584 | $26.74 | $15.6K | 0 |
| Nov 19, 2025 | DuRoss Amy | Director | Sell | 6,000 | $24.76 | $148.5K | 0 |
| Nov 11, 2025 | DE GREEF RODERICK | President and CEO | Sell | 100,000 | $25.80 | $2.58M | 0 |
| Oct 24, 2025 | GOSWAMI JOYDEEP | Director | Sell | 1,666 | $28.99 | $48.3K | 0 |
| Oct 22, 2025 | DE GREEF RODERICK | President and CEO | Sell | 37,795 | $27.30 | $1.03M | 0 |
| Oct 20, 2025 | Werner Sean | Chief Technology Officer | Sell | 275 | $27.82 | $7.7K | 0 |
| Oct 9, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 188 | $27.36 | $5.1K | 0 |
| Oct 9, 2025 | Berard Todd | Chief Marketing Officer | Sell | 289 | $27.36 | $7.9K | 0 |
| Oct 9, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 419 | $27.36 | $11.5K | 0 |
| Oct 9, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 509 | $27.36 | $13.9K | 0 |
| Oct 9, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 833 | $27.36 | $22.8K | 0 |
| Sep 15, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 714 | $25.61 | $18.3K | 0 |
| Sep 11, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 233 | $26.83 | $6.3K | 0 |
| Sep 11, 2025 | Berard Todd | Chief Marketing Officer | Sell | 358 | $26.83 | $9.6K | 0 |
| Sep 11, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 511 | $26.83 | $13.7K | 0 |
| Sep 11, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 630 | $26.83 | $16.9K | 0 |
| Sep 11, 2025 | Werner Sean | Chief Technology Officer | Sell | 72 | $26.83 | $1.9K | 0 |
| Sep 11, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 1,032 | $26.83 | $27.7K | 0 |
| Aug 26, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 219 | $25.44 | $5.6K | 0 |
| Aug 26, 2025 | Berard Todd | Chief Marketing Officer | Sell | 354 | $25.44 | $9.0K | 0 |
| Aug 26, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 413 | $25.44 | $10.5K | 0 |
| Aug 26, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 531 | $25.44 | $13.5K | 0 |
| Aug 26, 2025 | Werner Sean | Chief Technology Officer | Sell | 111 | $25.44 | $2.8K | 0 |
Showing 1–50 of 489
1 / 10
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BLFS Insider Buying Activity
The following table shows recent insider purchases of BioLife Solutions, Inc. (BLFS) stock reported via SEC Form 4 filings.
No insider buying activity found for BLFS in the last 12 months.
BLFS Insider Selling Activity
The following table shows recent insider sales of BioLife Solutions, Inc. (BLFS) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | Casdin Partners Master Fund, L.P. | 10 percent owner | Sell | 1,200,000 | $23.44 | $28.13M2.5% OS | 5,657,165 |
| Mar 31, 2026 | Foster Karen A. | officer: Chief Quality and Operations | Sell | 2,577 | $19.17 | $49.4K | 108,758 |
| Mar 9, 2026 | Foster Karen A. | officer: Chief Quality and Operations | Sell | 97,423 | $20.15 | $1.96M | 113,742-46% |
| Mar 5, 2026 | Aebersold Sarah | officer: Chief Human Resources Officer | Sell | 219 | $20.74 | $4.5K | 93,360 |
| Mar 5, 2026 | Berard Todd | officer: Chief Marketing Officer | Sell | 353 | $20.74 | $7.3K | 165,940 |
| Mar 5, 2026 | Foster Karen A. | officer: Chief Quality and Operations | Sell | 418 | $20.74 | $8.7K | 210,665 |
| Mar 5, 2026 | Mathew Aby J. | officer: EVP & Chief Scientific Officer | Sell | 529 | $20.74 | $11.0K | 392,937 |
| Mar 5, 2026 | Werner Sean | officer: Chief Technology Officer | Sell | 111 | $20.74 | $2.3K | 49,932 |
| Mar 5, 2026 | Wichterman Troy | officer: Chief Financial Officer | Sell | 588 | $20.74 | $12.2K | 220,649 |
| Jan 6, 2026 | Aebersold Sarah | Chief Human Resources Officer | Sell | 241 | $25.59 | $6.2K | 0 |
| Jan 6, 2026 | Berard Todd | Chief Marketing Officer | Sell | 344 | $25.59 | $8.8K | 0 |
| Jan 6, 2026 | Foster Karen A. | Chief Quality and Operations | Sell | 335 | $25.59 | $8.6K | 0 |
| Jan 6, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 405 | $25.59 | $10.4K | 0 |
| Jan 6, 2026 | Wichterman Troy | Chief Financial Officer | Sell | 990 | $25.59 | $25.3K | 0 |
| Dec 15, 2025 | DuRoss Amy | Director | Sell | 2,000 | $24.60 | $49.2K | 0 |
| Dec 9, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 946 | $24.63 | $23.3K | 0 |
| Dec 9, 2025 | Berard Todd | Chief Marketing Officer | Sell | 358 | $25.13 | $9.0K | 0 |
| Dec 9, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 519 | $25.13 | $13.0K | 0 |
| Dec 9, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 631 | $25.13 | $15.9K | 0 |
| Dec 9, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 1,033 | $25.13 | $26.0K | 0 |
| Dec 4, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 30,000 | $25.72 | $771.6K | 0 |
| Nov 25, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 217 | $26.74 | $5.8K | 0 |
| Nov 25, 2025 | Berard Todd | Chief Marketing Officer | Sell | 351 | $26.74 | $9.4K | 0 |
| Nov 25, 2025 | DuRoss Amy | Director | Sell | 4,000 | $27.00 | $108.0K | 0 |
| Nov 25, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 415 | $26.74 | $11.1K | 0 |
| Nov 25, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 526 | $26.74 | $14.1K | 0 |
| Nov 25, 2025 | Werner Sean | Chief Technology Officer | Sell | 110 | $26.74 | $2.9K | 0 |
| Nov 25, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 584 | $26.74 | $15.6K | 0 |
| Nov 19, 2025 | DuRoss Amy | Director | Sell | 6,000 | $24.76 | $148.5K | 0 |
| Nov 11, 2025 | DE GREEF RODERICK | President and CEO | Sell | 100,000 | $25.80 | $2.58M | 0 |
| Oct 24, 2025 | GOSWAMI JOYDEEP | Director | Sell | 1,666 | $28.99 | $48.3K | 0 |
| Oct 22, 2025 | DE GREEF RODERICK | President and CEO | Sell | 37,795 | $27.30 | $1.03M | 0 |
| Oct 20, 2025 | Werner Sean | Chief Technology Officer | Sell | 275 | $27.82 | $7.7K | 0 |
| Oct 9, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 188 | $27.36 | $5.1K | 0 |
| Oct 9, 2025 | Berard Todd | Chief Marketing Officer | Sell | 289 | $27.36 | $7.9K | 0 |
| Oct 9, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 419 | $27.36 | $11.5K | 0 |
| Oct 9, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 509 | $27.36 | $13.9K | 0 |
| Oct 9, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 833 | $27.36 | $22.8K | 0 |
| Sep 15, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 714 | $25.61 | $18.3K | 0 |
| Sep 11, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 233 | $26.83 | $6.3K | 0 |
| Sep 11, 2025 | Berard Todd | Chief Marketing Officer | Sell | 358 | $26.83 | $9.6K | 0 |
| Sep 11, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 511 | $26.83 | $13.7K | 0 |
| Sep 11, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 630 | $26.83 | $16.9K | 0 |
| Sep 11, 2025 | Werner Sean | Chief Technology Officer | Sell | 72 | $26.83 | $1.9K | 0 |
| Sep 11, 2025 | Wichterman Troy | Chief Financial Officer | Sell | 1,032 | $26.83 | $27.7K | 0 |
| Aug 26, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell | 219 | $25.44 | $5.6K | 0 |
| Aug 26, 2025 | Berard Todd | Chief Marketing Officer | Sell | 354 | $25.44 | $9.0K | 0 |
| Aug 26, 2025 | Foster Karen A. | Chief Quality and Operations | Sell | 413 | $25.44 | $10.5K | 0 |
| Aug 26, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 531 | $25.44 | $13.5K | 0 |
| Aug 26, 2025 | Werner Sean | Chief Technology Officer | Sell | 111 | $25.44 | $2.8K | 0 |
BLFS Insiders
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