BLFS BioLife Solutions, Inc.

NASDAQ
$35.43

BioLife Solutions, Inc. (BLFS) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with BLFS's own trailing one-year pace, with 3% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
10
50 transactions
Purchases
$0
0 shares
Sales
$56.6M
2,246,245 shares
Net activity
-$56.6M
purchases less sales

How much of that selling was preplanned? 3% planned / 97% discretionary

10b5-1 plan sales $1.5M 33 transactions · 56,109 shares
Discretionary sales $55.2M 17 transactions · 2,190,136 shares

Largest single sale: $21.4M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Sell 650,000 $23.70 $15.4M 4,757,165 −12% of holding
Sell 250,000 $23.70 $5.9M 5,407,165 −4.4% of holding
Sell 300,000 $22.65 $6.8M 5,657,165 −5% of holding
Foster Karen A. Chief Quality and Operations Sell 10b5-1 2,577 $19.17 $49.4K 108,758 −2.3% of holding
Foster Karen A. Chief Quality and Operations Sell 500 $20.00 $10.0K 113,242 −0.4% of holding
Foster Karen A. Chief Quality and Operations Sell 96,923 $20.15 $2.0M 113,742 −46% of holding
Wichterman Troy Chief Financial Officer Sell 10b5-1 588 $20.74 $12.2K 220,649 −0.3% of holding
Mathew Aby J. EVP & Chief Scientific Officer Sell 10b5-1 529 $20.74 $11.0K 392,937 −0.1% of holding
Foster Karen A. Chief Quality and Operations Sell 10b5-1 418 $20.74 $8.7K 210,665 −0.2% of holding
Berard Todd Chief Marketing Officer Sell 10b5-1 353 $20.74 $7.3K 165,940 −0.2% of holding
Aebersold Sarah Chief Human Resources Officer Sell 10b5-1 219 $20.74 $4.5K 93,360 −0.2% of holding
Werner Sean Chief Technology Officer Sell 10b5-1 111 $20.74 $2.3K 49,932 −0.2% of holding
Wichterman Troy Chief Financial Officer Sell 10b5-1 990 $25.59 $25.3K 150,746 −0.7% of holding
Mathew Aby J. EVP & Chief Scientific Officer Sell 10b5-1 405 $25.59 $10.4K 349,350 −0.1% of holding
Berard Todd Chief Marketing Officer Sell 10b5-1 344 $25.59 $8.8K 132,564 −0.3% of holding
Foster Karen A. Chief Quality and Operations Sell 10b5-1 335 $25.59 $8.6K 191,984 −0.2% of holding
Aebersold Sarah Chief Human Resources Officer Sell 10b5-1 241 $25.59 $6.2K 75,765 −0.3% of holding
DuRoss Amy Director Sell 2,000 $24.60 $49.2K 18,687 −9.7% of holding
Aebersold Sarah Chief Human Resources Officer Sell 713 $24.46 $17.4K 76,006 −0.9% of holding
Wichterman Troy Chief Financial Officer Sell 10b5-1 1,033 $25.13 $26.0K 151,736 −0.7% of holding
Mathew Aby J. EVP & Chief Scientific Officer Sell 10b5-1 631 $25.13 $15.9K 349,755 −0.2% of holding
Foster Karen A. Chief Quality and Operations Sell 10b5-1 519 $25.13 $13.0K 192,319 −0.3% of holding
Berard Todd Chief Marketing Officer Sell 10b5-1 358 $25.13 $9.0K 132,908 −0.3% of holding
Aebersold Sarah Chief Human Resources Officer Sell 10b5-1 233 $25.13 $5.9K 76,719 −0.3% of holding
Wichterman Troy Chief Financial Officer Sell 30,000 $25.72 $771.6K 152,769 −16.4% of holding
DuRoss Amy Director Sell 2,000 $27.00 $54.0K 20,687 −8.8% of holding
DuRoss Amy Director Sell 2,000 $27.00 $54.0K 22,687 −8.1% of holding
Wichterman Troy Chief Financial Officer Sell 10b5-1 584 $26.74 $15.6K 182,769 −0.3% of holding
Mathew Aby J. EVP & Chief Scientific Officer Sell 10b5-1 526 $26.74 $14.1K 350,386 −0.1% of holding
Foster Karen A. Chief Quality and Operations Sell 10b5-1 415 $26.74 $11.1K 192,838 −0.2% of holding
Berard Todd Chief Marketing Officer Sell 10b5-1 351 $26.74 $9.4K 133,266 −0.3% of holding
Aebersold Sarah Chief Human Resources Officer Sell 10b5-1 217 $26.74 $5.8K 76,952 −0.3% of holding
Werner Sean Chief Technology Officer Sell 10b5-1 110 $26.74 $2.9K 25,927 −0.4% of holding
DuRoss Amy Director Sell 1,000 $26.00 $26.0K 24,687 −3.9% of holding
DuRoss Amy Director Sell 4,523 $24.51 $110.9K 25,687 −15% of holding
DuRoss Amy Director Sell 477 $24.50 $11.7K 30,210 −1.6% of holding
DE GREEF RODERICK President and CEO Sell 31,165 $25.33 $789.4K 389,998 −7.4% of holding
DE GREEF RODERICK President and CEO Sell 33,418 $25.88 $864.9K 421,163 −7.4% of holding
DE GREEF RODERICK President and CEO Sell 35,417 $26.15 $926.2K 454,581 −7.2% of holding
GOSWAMI JOYDEEP Director Sell 10b5-1 1,666 $28.99 $48.3K 44,986 −3.6% of holding
DE GREEF RODERICK President and CEO Sell 10b5-1 37,795 $27.30 $1.0M 489,998 −7.2% of holding
Werner Sean Chief Technology Officer Sell 10b5-1 275 $27.82 $7.7K 26,037 −1% of holding
GOSWAMI JOYDEEP Director Sell 10b5-1 1,334 $0.00 $0 46,652 −2.8% of holding
Sell 750,000 $28.55 $21.4M 5,957,165 −11.2% of holding
Wichterman Troy Chief Financial Officer Sell 10b5-1 833 $27.36 $22.8K 183,353 −0.5% of holding
Mathew Aby J. EVP & Chief Scientific Officer Sell 10b5-1 509 $27.36 $13.9K 350,912 −0.1% of holding
Foster Karen A. Chief Quality and Operations Sell 10b5-1 419 $27.36 $11.5K 193,253 −0.2% of holding
Berard Todd Chief Marketing Officer Sell 10b5-1 289 $27.36 $7.9K 133,617 −0.2% of holding
Aebersold Sarah Chief Human Resources Officer Sell 10b5-1 188 $27.36 $5.1K 77,169 −0.2% of holding
Aebersold Sarah Chief Human Resources Officer Sell 10b5-1 714 $25.61 $18.3K 77,357 −0.9% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.