BLFSHealthcareSmall-Cap
BIOLIFE SOLUTIONS INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for BIOLIFE SOLUTIONS INC (BLFS), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are BLFS insiders buying or selling?
BIOLIFE SOLUTIONS INC insiders reported 15 open-market buys ($90.5M) and 665 sells ($327.4M) across 680 Form 4 filings — a net selling position of $236.9M.
Source: SEC EDGAR Form 4
Key Statistics (as of May 21, 2026)
Total Form 4 filings
680
SEC EDGAR
Insider filers
20
Insider buys (15)
$90.5M
Insider sells (665)
$327.4M
Insider sentiment
Net sellingNet insider flow of $236.9M in net selling.
Recent BLFS insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 21, 2026 | Eli Casdin | 10% Owner | Sale | 1.2M | $23.44 | $28.1M |
| Mar 31, 2026 | Karen A. Foster | Chief Quality and Operations | Sale | 2.6K | $19.17 | $49.4K |
| Mar 9, 2026 | Karen A. Foster | Chief Quality and Operations | Sale | 97.4K | $20.15 | $2.0M |
| Mar 5, 2026 | Sean Werner | Chief Technology Officer | Sale | 111 | $20.74 | $2.3K |
| Mar 5, 2026 | Karen A. Foster | Chief Quality and Operations | Sale | 418 | $20.74 | $8.7K |
| Mar 5, 2026 | Aby J. Mathew | EVP & Chief Scientific Officer | Sale | 529 | $20.74 | $11.0K |
| Mar 5, 2026 | Troy Wichterman | Chief Financial Officer | Sale | 588 | $20.74 | $12.2K |
| Mar 5, 2026 | Sarah Aebersold | Chief Human Resources Officer | Sale | 219 | $20.74 | $4.5K |
| Mar 5, 2026 | Todd Berard | Chief Marketing Officer | Sale | 353 | $20.74 | $7.3K |
| Jan 8, 2026 | Troy Wichterman | Chief Financial Officer | Sale | 990 | $25.59 | $25.3K |
| Jan 8, 2026 | Karen A. Foster | Chief Quality and Operations | Sale | 335 | $25.59 | $8.6K |
| Jan 8, 2026 | Sarah Aebersold | Chief Human Resources Officer | Sale | 241 | $25.59 | $6.2K |
| Jan 8, 2026 | Aby J. Mathew | EVP & Chief Scientific Officer | Sale | 405 | $25.59 | $10.4K |
| Jan 8, 2026 | Todd Berard | Chief Marketing Officer | Sale | 344 | $25.59 | $8.8K |
| Dec 17, 2025 | Aby J. Mathew | EVP & Chief Scientific Officer | Sale | 631 | $25.13 | $15.9K |
| Dec 17, 2025 | Troy Wichterman | Chief Financial Officer | Sale | 1.0K | $25.13 | $26.0K |
| Dec 17, 2025 | Sarah Aebersold | Chief Human Resources Officer | Sale | 946 | $24.63 | $23.3K |
| Dec 17, 2025 | Amy Duross | Director | Sale | 2.0K | $24.60 | $49.2K |
| Dec 17, 2025 | Todd Berard | Chief Marketing Officer | Sale | 358 | $25.13 | $9.0K |
| Dec 17, 2025 | Karen A. Foster | Chief Quality and Operations | Sale | 519 | $25.13 | $13.0K |
| Dec 5, 2025 | Troy Wichterman | Chief Financial Officer | Sale | 30.0K | $25.72 | $771.6K |
| Nov 28, 2025 | Amy Duross | Director | Sale | 4.0K | $27.00 | $108.0K |
| Nov 28, 2025 | Todd Berard | Chief Marketing Officer | Sale | 351 | $26.74 | $9.4K |
| Nov 28, 2025 | Troy Wichterman | Chief Financial Officer | Sale | 584 | $26.74 | $15.6K |
| Nov 28, 2025 | Sarah Aebersold | Chief Human Resources Officer | Sale | 217 | $26.74 | $5.8K |
Showing the 25 most recent of 680 Form 4 filings for BIOLIFE SOLUTIONS INC.
Most active BLFS insiders
- Aby J. Mathew103 filings
- Michael Rice89 filings
- Karen A. Foster81 filings
- Todd Berard80 filings
- Troy Wichterman59 filings
Ask anything about BLFS insider activity
Use Trabud's AI agent to query BIOLIFE SOLUTIONS INC's Form 4 history in plain English — "Show me BLFS CEO purchases this year" or compare it against any other ticker.
Open the AI agentBLFS insider trading FAQ
Are BIOLIFE SOLUTIONS INC insiders buying or selling?
Across 680 SEC Form 4 filings, BIOLIFE SOLUTIONS INC (BLFS) insiders reported 15 open-market purchases totaling $90.5M and 665 sales totaling $327.4M. That is a net selling position of $236.9M.
How many insiders trade BLFS stock?
20 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for BIOLIFE SOLUTIONS INC. The most recent filing was accepted on May 21, 2026.
Where does Trabud get BLFS insider trading data?
All BLFS insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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