Latest filingSep 10, 2026Most recent Form 4
BLFS
BIOLIFE SOLUTIONS INC
Insider activity for last month from 08/11 to 09/11. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$00 sells
Net open-market+$03 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period3transactions
- F · Tax withholding · dominant3 · 100%
Activity by reported role
A joint filing can contribute to multiple roles4transactions
- Chief financial officer · dominant1 · 25%
- CMO1 · 25%
- CSO1 · 25%
- EVP1 · 25%
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (3)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeWichterman TroyCommon Stock · Direct
212,223Sep 08, 2026
Mathew Aby J.Common Stock · Direct
387,833Sep 08, 2026
Berard ToddCommon Stock · Direct
162,293Sep 08, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 11 → Sep 11
LessMore
Top insiders
By absolute net value across the selected period- WT-$36.3k
- MJ-$22.2k
- BT-$12.6k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
BLFS transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| BLFS | Berard Todd | CMO | withholding | 356 | -$1.25M | F | — | — | 09/10 | 09/08 |
| BLFS | Mathew Aby J. | EVPCSO | withholding | 627 | -$2.21M | F | — | — | 09/10 | 09/08 |
| BLFS | Wichterman Troy | CFO | withholding | 1.02k | -$3.62M | F | — | — | 09/10 | 09/08 |
BIOLIFE SOLUTIONS INC Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at BIOLIFE SOLUTIONS INC?
Berard Todd, Mathew Aby J., Wichterman Troy.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
No code-P purchases or code-S sales were reported in the selected period.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.