LAB Standard BioTools Inc.

NASDAQ
$0.77

Standard BioTools Inc. (LAB) 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 Bullish Insiders bought more than they sold over this window — uncommon at any size.
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
1
15 transactions
Insiders selling
0
0 transactions
Purchases
$14.4M
11,225,000 shares
Sales
$0
0 shares
Net activity
$14.4M
purchases less sales

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: December 4, 2025 .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Buy 150,000 $1.45 $217.0K 72,100,000
Buy 75,000 $1.44 $108.0K 71,950,000
Buy 125,000 $1.42 $177.5K 71,875,000
Buy 7,550,000 $1.30 $9.8M 71,750,000
Buy 150,000 $1.43 $214.9K 64,200,000
Buy 450,000 $1.30 $586.3K 64,050,000
Buy 350,000 $1.28 $448.9K 63,600,000
Buy 275,000 $1.23 $339.4K 63,250,000
Buy 225,000 $1.22 $275.6K 62,975,000
Buy 250,000 $1.24 $309.8K 62,750,000
Buy 450,000 $1.20 $541.4K 62,500,000
Buy 375,000 $1.19 $445.8K 62,050,000
Buy 300,000 $1.20 $358.8K 61,675,000
Buy 275,000 $1.17 $321.9K 61,375,000
Buy 225,000 $1.12 $252.8K 61,100,000

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.