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Cynthia Smith Insider Profile

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Cynthia Smith, Director at Spero Therapeutics, holds 85.00K shares in Spero Therapeutics (Ticker: SPRO), holds ― shares in Protara Therapeutics (Ticker: TARA), holds 15.23K shares in Agios Pharma (Ticker: AGIO).
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Cynthia Smith

Cynthia Smith
Spero Therapeutics (SPRO)
Director

Not Ranked
Ranked #25,641 out of 108,921 Corporate Insiders
Cynthia Smith has not reported sufficient informative transactions and therefore cannot be ranked.
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$798K
63.13%
23.99%
12.88%
0.00%
0.00% Others
A breakdown of Cynthia Smith's holdings
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Insider Roles

Agios Pharma
(AGIO)
Director
Akebia Therapeutics
(AKBA)
Director
Spero Therapeutics
(SPRO)
Director
Protara Therapeutics
(TARA)
Director
+1 other positions
Roles that Cynthia Smith holds in companies
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Most Profitable Insider Trade

Stock:
Akebia Therapeutics
(AKBA)
Rating:Informative Buy
Date:Nov 22, 2019 - Nov 22, 2020
Return:-31.50%
The most profitable trade made by Cynthia Smith
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Cynthia Smith's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
SPRO
Spero Therapeutics
Jun 25, 2026
Director
Uninformative Buy
―
$102.85K
TARA
Protara Therapeutics
―
Director
―
―
AGIO
Agios Pharma
Jun 23, 2026
Director
Uninformative Buy
96.19K
$504.11K
TVRD
Tvardi Therapeutics
―
Director
―
―
ZSPH
ZS Pharma
Dec 21, 2015
―
Uninformative Sell
1.13M
$0.00
DRNA
Dicerna Pharma
―
―
―
$127.39K
AKBA
Akebia Therapeutics
Jun 22, 2026
Director
Uninformative Buy
―
$191.52K
List of latest transactions for each holding click on a transaction to see Cynthia Smith's performance on stock
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Cynthia Smith insider profile FAQ

What is the percentage of profitable transactions made by Cynthia Smith?
The percentage of profitable transactions made by Cynthia Smith is ―.
    What is the average return per transaction made by Cynthia Smith?
    The average return per transaction made by Cynthia Smith is ―.
      What stocks does Cynthia Smith hold?
      Cynthia Smith holds: SPRO, TARA, AGIO, TVRD, ZSPH, DRNA, AKBA stocks.
        What was Cynthia Smith’s latest transaction?
        Cynthia Smith latest transaction was an Uninformative Buy of ―.
          What was Cynthia Smith's most profitable transaction?
          Cynthia Smith’s most profitable transaction was an Informative Buy of AKBA stock on November 22, 2019. The return on the trade was -31.50%.
            What is Cynthia Smith's role in Spero Therapeutics?
            Cynthia Smith's role in Spero Therapeutics is Director.
              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.