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Frank C. Bennett Insider Profile

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Frank C. Bennett, EVP, Chief Scientific Officer at Ionis Pharmaceuticals, holds 60.13K shares in Ionis Pharmaceuticals (Ticker: IONS).
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Frank C. Bennett

Frank C. Bennett
Ionis Pharmaceuticals (IONS)
EVP, Chief Scientific Officer

Ranked #64,344 out of 109,349 Corporate Insiders

Profitable Transactions

67%
4 out of 6 Profitable Transactions

Average Return

-4.60%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$3M
100.00%
A breakdown of Frank C. Bennett's holdings
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Insider Roles

Ionis Pharmaceuticals
(IONS)
EVP, Chief Scientific Officer
Roles that Frank C. Bennett holds in companies
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Most Profitable Insider Trade

Stock:
Ionis Pharmaceuticals
(IONS)
Rating:Informative Sell
Date:Feb 04, 2026 - Today
Return:+49.40%
The most profitable trade made by Frank C. Bennett
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Frank C. Bennett's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
IONS
Ionis Pharmaceuticals
Sep 02, 2026
EVP, Chief Scientific Officer
Uninformative Buy
5.64K
$2.62M
Success Rate for
IONS
4 out of 6 profitable transactions on
IONS
67%
Average Return for
IONS
Average return per transaction on
IONS
-4.60%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Jul 01, 2010
Uninformative Buy
$3.84K
490
$7.83
―
Jan 20, 2026
Uninformative Buy
$932.54K
12,078
$77.21
―
Feb 02, 2026
Uninformative Buy
$0.00
11,421
$0.00
―
Feb 04, 2026
Uninformative Buy
$3.50M
65,089
$53.73
―
Mar 05, 2026
Uninformative Buy
$3.50M
65,089
$53.73
―
List of latest transactions for each holding click on a transaction to see Frank C. Bennett's performance on stock
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Frank C. Bennett insider profile FAQ

What is the percentage of profitable transactions made by Frank C. Bennett?
The percentage of profitable transactions made by Frank C. Bennett is 67%.
    What is the average return per transaction made by Frank C. Bennett?
    The average return per transaction made by Frank C. Bennett is -4.60%.
      What stocks does Frank C. Bennett hold?
      Frank C. Bennett holds: IONS stocks.
        What was Frank C. Bennett’s latest transaction?
        Frank C. Bennett latest transaction was an Uninformative Buy of $5.64K.
          What was Frank C. Bennett's most profitable transaction?
          Frank C. Bennett’s most profitable transaction was an Informative Sell of IONS stock on February 4, 2026. The return on the trade was 49.40%.
            What is Frank C. Bennett's role in Ionis Pharmaceuticals?
            Frank C. Bennett's role in Ionis Pharmaceuticals is EVP, Chief Scientific Officer.
              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.