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.

Insider signal In line Selling ran in line with BLFS's own trailing one-year pace, with 0% 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
2
4 transactions
Purchases
$0
0 shares
Sales
$28.2M
1,202,577 shares
Net activity
-$28.2M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $49.4K 1 transaction · 2,577 shares
Discretionary sales $28.1M 3 transactions · 1,200,000 shares

Largest single sale: $15.4M.

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

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.