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Mardi Dier Insider Profile
11 Followers
Mardi Dier, EVP & CFO at Portola Pharma, holds 10.70K shares in Madrigal Pharmaceuticals (Ticker: MDGL), holds 6.43K shares in ACELYRIN, INC. (Ticker: SLRN), holds 66.69K shares in Ultragenyx Pharmaceutical (Ticker: RARE).
Profitable Transactions
8 out of 9 Profitable Transactions
Average Return
+15.30%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Mardi Dier holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Sell
Date:Oct 14, 2021 - Oct 14, 2022
Return:+54.20%
The most profitable trade made by Mardi Dier
Mardi Dier's Trading History
Portola Pharma
Jul 02, 2020
―
Uninformative Buy
83.60
$0.00
Adamas Pharmaceuticals
Jun 04, 2021
―
Uninformative Buy
―
$82.20K
Oric Pharmaceuticals
―
Director
―
―
Prelude Therapeutics
Sep 29, 2020
Director
Informative Buy
190.00K
$7.36K
Ultragenyx Pharmaceutical
Oct 17, 2022
CFO & EVP
Uninformative Sell
65.42K
$2.58M
ACELYRIN, INC.
May 11, 2023
CFO and CBO
Informative Buy
131.51K
$17.04K
Madrigal Pharmaceuticals
Mar 07, 2025
SVP and CFO
Uninformative Buy
―
$3.55M
List of latest transactions for each holding click on a transaction to see Mardi Dier's performance on stock
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Mardi Dier insider profile FAQ
What is the percentage of profitable transactions made by Mardi Dier?
The percentage of profitable transactions made by Mardi Dier is 89%.
What is the average return per transaction made by Mardi Dier?
The average return per transaction made by Mardi Dier is 15.30%.
What stocks does Mardi Dier hold?
Mardi Dier holds: PTLA, ADMS, ORIC, PRLD, RARE, SLRN, MDGL stocks.
What was Mardi Dier’s latest transaction?
Mardi Dier latest transaction was an Uninformative Buy of ―.
What was Mardi Dier's most profitable transaction?
Mardi Dier’s most profitable transaction was an Informative Sell of RARE stock on October 14, 2021. The return on the trade was 54.20%.
What is Mardi Dier's role in Portola Pharma?
Mardi Dier's role in Portola Pharma is EVP & CFO.
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