Quentin Blackford Insider Profile
4 Followers
Quentin Blackford, Director at Align Tech, holds ― shares in Align Tech (Ticker: ALGN), holds 226.01K shares in Irhythm Technologies (Ticker: IRTC), holds 600.38K shares in Alphatec Holdings (Ticker: ATEC). Most recently, Quentin Blackford ― shares of Align Tech on ― for an estimated value of ―.
Profitable Transactions
5 out of 12 Profitable Transactions
Average Return
-10.00%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Quentin Blackford holds in companies
Most Profitable Insider Trade
The most profitable trade made by Quentin Blackford
Quentin Blackford's Trading History
Align Tech
―
Director
―
―
NuVasive
Jan 05, 2016
―
Uninformative Buy
―
$488.33K
Dexcom
Sep 10, 2021
COO
Uninformative Sell
10.22M
$1.60M
Alphatec Holdings
Jun 12, 2026
Director
Uninformative Buy
―
$6.35M
AxoGen
Apr 01, 2022
Director
Uninformative Buy
24.56K
$1.15M
Irhythm Technologies
Aug 11, 2026
President & CEO, Director
Uninformative Buy
―
$25.18M
Paragon 28
Apr 21, 2025
―
Uninformative Sell
―
$0.00
List of latest transactions for each holding click on a transaction to see Quentin Blackford's performance on stock
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Quentin Blackford insider profile FAQ
What is the percentage of profitable transactions made by Quentin Blackford?
The percentage of profitable transactions made by Quentin Blackford is 42%.
What is the average return per transaction made by Quentin Blackford?
The average return per transaction made by Quentin Blackford is -10.00%.
What stocks does Quentin Blackford hold?
Quentin Blackford holds: ALGN, NUVA, DXCM, ATEC, AXGN, IRTC, FNA stocks.
What was Quentin Blackford’s latest transaction?
Quentin Blackford latest transaction was an Uninformative Buy of ―.
What was Quentin Blackford's most profitable transaction?
Quentin Blackford’s most profitable transaction was an Informative Sell of IRTC stock on November 4, 2025. The return on the trade was 32.00%.
What is Quentin Blackford's role in Align Tech?
Quentin Blackford's role in Align Tech is Director.
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