ABCL AbCellera Biologics Inc.

NASDAQ
$12.63

AbCellera Biologics Inc. (ABCL) 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 1 buyer in the last 30 days 3 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
3
4 transactions
Insiders selling
0
0 transactions
Purchases
$1.5M
147,200 shares
Sales
$0
0 shares
Net activity
$1.5M
purchases less sales

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: August 24, 2026 , by Hayden Michael R .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Hayden Michael R Director Buy 53,613 $10.64 $570.4K 1,373,397
Montalbano John S. Director Buy 10,000 $11.03 $110.3K 251,000
Booth Andrew Chief Financial Officer Buy 37,200 $10.32 $383.9K 482,800
Hayden Michael R Director Buy 46,387 $10.37 $481.0K 1,319,784

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.