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buyModerate

John S. Montalbano bought $178k of ABCL

director at AbCellera Biologics Inc.. 50,000 shares at an average of $3.57, traded Nov 26, 2025, filed Nov 26, 2025.

Conviction score
41
Value
$178k
50,000 shares
Holdings after
221,000
+29% from before
From 52-week low
+89%
low $1.93, close $3.64
From 52-week high
-41%
high $6.17, as of Nov 26, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $178k at market
    +12
  • Relative to holdings
    Holdings up 29%
    +6
  • Price context
    41% below the 52-week high
    +8
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

ABCLOct 9, 2026 · close 12.55
Since filing Nov 26, 2025: +244.6%SPY +15.8% · excess +228.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001834423-25-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 26, 2025POpen-market purchase
Common Shares
+50,000$3.57$178k221,000Nov 26, 2025

Related signals

Other insiders at AbCellera Biologics Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
34Weak
ABCLbuy 2
AbCellera Biologics Inc.
Thermopylae Holdings Ltd.
owner
$131k
38,000 shares
+0%
55Moderate
ABCLbuy 2
AbCellera Biologics Inc.
Andrew Booth
Chief Financial Officer
$146k
42,600 shares
+28%
37Weak
ABCLbuy 2
AbCellera Biologics Inc.
Thermopylae Holdings Ltd.
owner
$580k
177,457 shares
+0%
31Weak
ABCLbuy 2
AbCellera Biologics Inc.
Thermopylae Holdings Ltd.
owner
$742k
343,631 shares
+1%
38Weak
ABCLbuy 2
AbCellera Biologics Inc.
John S. Montalbano
director
$58k
25,000 shares
+17%
44Moderate
ABCLbuy 2
AbCellera Biologics Inc.
John S. Montalbano
director
$141k
60,000 shares
+70%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

John S. Montalbano bought $178k of ABCL | InsiderTell