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James B. Tananbaum Insider Profile

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James B. Tananbaum, Director, Ten Percent Owner at Kinnate Biopharma, holds 15.69M shares in Alumis Inc. (Ticker: ALMS), holds 0.00 shares in Kinnate Biopharma (Ticker: KNTE), holds 1.00K shares in Pardes Biosciences (Ticker: PRDS).
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James B. Tananbaum

James B. Tananbaum
Kinnate Biopharma (KNTE)
Director, Ten Percent Owner

Ranked #1,422 out of 107,043 Corporate Insiders

Profitable Transactions

57%
4 out of 7 Profitable Transactions

Average Return

+114.80%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$728M
52.10%
46.68%
1.22%
A breakdown of James B. Tananbaum's holdings
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Insider Roles

Alumis Inc.
(ALMS)
Director, Ten Percent Owner
Disc Medicine
(IRON)
Director, Ten Percent Owner
Quantum-Si
(QSI)
Director
Roles that James B. Tananbaum holds in companies
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Most Profitable Insider Trade

Stock:
Alumis Inc.
(ALMS)
Rating:Informative Buy
Date:May 06, 2025 - Today
Return:+474.40%
The most profitable trade made by James B. Tananbaum
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James B. Tananbaum's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
KNTE
Kinnate Biopharma
Apr 05, 2024
―
Uninformative Sell
―
$0.00
IRON
Disc Medicine
Feb 09, 2021
Director, Ten Percent Owner
Uninformative Buy
15.00M
$339.69M
QSI
Quantum-Si
Jun 14, 2021
Director
Uninformative Buy
25.00M
$8.85M
PRDS
Pardes Biosciences
Aug 31, 2023
―
Uninformative Sell
―
$2.16K
ALMS
Alumis Inc.
Apr 03, 2026
Director, Ten Percent Owner
Uninformative Buy
―
$379.16M
List of latest transactions for each holding click on a transaction to see James B. Tananbaum's performance on stock
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James B. Tananbaum insider profile FAQ

What is the percentage of profitable transactions made by James B. Tananbaum?
The percentage of profitable transactions made by James B. Tananbaum is 57%.
    What is the average return per transaction made by James B. Tananbaum?
    The average return per transaction made by James B. Tananbaum is 114.80%.
      What stocks does James B. Tananbaum hold?
      James B. Tananbaum holds: KNTE, IRON, QSI, PRDS, ALMS stocks.
        What was James B. Tananbaum’s latest transaction?
        James B. Tananbaum latest transaction was an Uninformative Buy of ―.
          What was James B. Tananbaum's most profitable transaction?
          James B. Tananbaum’s most profitable transaction was an Informative Buy of ALMS stock on May 6, 2025. The return on the trade was 474.40%.
            What is James B. Tananbaum's role in Kinnate Biopharma?
            James B. Tananbaum's role in Kinnate Biopharma is Director, Ten Percent Owner.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.