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John S. Montalbano Insider Profile

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John S. Montalbano, Director at AbCellera Biologics, holds 256.00K shares in AbCellera Biologics (Ticker: ABCL). Most recently, John S. Montalbano Bought 10,000 shares of AbCellera Biologics on Aug 18, 2026 for an estimated value of $110.30K.
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John S. Montalbano

John S. Montalbano
AbCellera Biologics (ABCL)
Director

Ranked #3,360 out of 109,232 Corporate Insiders

Profitable Transactions

50%
5 out of 10 Profitable Transactions

Average Return

+50.60%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$3M
100.00%
A breakdown of John S. Montalbano's holdings
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Insider Roles

AbCellera Biologics
(ABCL)
Director
Roles that John S. Montalbano holds in companies
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Most Profitable Insider Trade

Stock:
AbCellera Biologics
(ABCL)
Rating:Informative Buy
Date:Nov 26, 2025 - Today
Return:+277.40%
The most profitable trade made by John S. Montalbano
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John S. Montalbano's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
ABCL
AbCellera Biologics
Aug 18, 2026
Director
Informative Buy
110.30K
$3.08M
Success Rate for
ABCL
5 out of 10 profitable transactions on
ABCL
50%
Average Return for
ABCL
Average return per transaction on
ABCL
+50.63%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Dec 17, 2020
Informative Buy
$500.00K
25,000
$20.00
-69.10%
Aug 17, 2021
Informative Buy
$103.38K
6,000
$17.23
-21.50%
Mar 03, 2022
Informative Buy
$181.00K
20,000
$9.05
-7.30%
Mar 04, 2022
Informative Buy
$85.40K
10,000
$8.54
-1.70%
Nov 08, 2023
Informative Buy
$137.40K
30,000
$4.58
-35.40%
List of latest transactions for each holding click on a transaction to see John S. Montalbano's performance on stock
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John S. Montalbano insider profile FAQ

What is the percentage of profitable transactions made by John S. Montalbano?
The percentage of profitable transactions made by John S. Montalbano is 50%.
    What is the average return per transaction made by John S. Montalbano?
    The average return per transaction made by John S. Montalbano is 50.60%.
      What stocks does John S. Montalbano hold?
      John S. Montalbano holds: ABCL stocks.
        What was John S. Montalbano’s latest transaction?
        John S. Montalbano latest transaction was an Informative Buy of $110.30K.
          What was John S. Montalbano's most profitable transaction?
          John S. Montalbano’s most profitable transaction was an Informative Buy of ABCL stock on November 26, 2025. The return on the trade was 277.40%.
            What is John S. Montalbano's role in AbCellera Biologics?
            John S. Montalbano's role in AbCellera Biologics is Director.
              How can I follow the stock ratings of top corporate insiders?
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