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buyModerate cluster of 3

Andrew Booth bought $384k of ABCL

Chief Financial Officer at AbCellera Biologics Inc.. 37,200 shares at an average of $10.32, traded Aug 14, 2026, filed Aug 14, 2026.

Conviction score
56
Value
$384k
37,200 shares
Holdings after
482,800
+8% from before
From 52-week low
+309%
low $2.78, close $11.38
From 52-week high
0%
high $11.38, as of Aug 14, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $384k at market
    +16
  • Relative to holdings
    Holdings up 8%
    +3
  • Price context
    Mid range
    0
  • Cluster
    3 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (1 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 12, 2026 · close 12.64
Since filing Aug 14, 2026: +11.0%SPY +0.5% · excess +10.6%

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 0001834411-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 14, 2026POpen-market purchase
Common Shares
+37,200$10.32$384k482,800Aug 14, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
54Moderate
ABCLbuy 3
AbCellera Biologics Inc.
Michael R Hayden
director
$570k
53,613 shares
+4%
50Moderate
ABCLbuy 3
AbCellera Biologics Inc.
John S. Montalbano
director
$110k
10,000 shares
+4%
48Moderate
ABCLbuy 3
AbCellera Biologics Inc.
Michael R Hayden
director
$481k
46,387 shares
+4%
32Weak
ABCLbuy
AbCellera Biologics Inc.
John S. Montalbano
director
$95k
20,000 shares
+9%
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%
41Moderate
ABCLbuy
AbCellera Biologics Inc.
John S. Montalbano
director
$178k
50,000 shares
+29%
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%

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.