Joshua Richardson - Director, 10%+ Owner at Sierra Oncology, Inc.

Issuer-level insider activity

Identity Names, identifiers, and filing context for this profile. 1 identity field
Entity type
Individual
Source evidence Original filing metadata and source links for verification. 1 source field
Source filing history
Open source filing history

No buys or sells have been reported by Joshua Richardson since 04 Sep 2025

Reported holdings for Joshua Richardson in Sierra Oncology, Inc.

Form 4 holding Director, 10%+ Owner

Sierra Oncology, Inc.

Security class
Common Stock
Shares / value
1,964,771
Estimated value
$108,062,405
Report date
25 Jan 2022
Price
$55.00
Ownership
By Longitude Venture Partners III, L.P.
Form 4 holding Director, 10%+ Owner

Sierra Oncology, Inc.

Security class
Common Stock
Shares / value
175,000
Estimated value
$9,625,000
Report date
02 Feb 2022
Price
$55.00
Ownership
Indirect
Form 4 holding Director, 10%+ Owner

Sierra Oncology, Inc.

Security class
Series B Warrants
Shares / value
0
Estimated value
Report date
25 Jan 2022
Price
$13.20
Ownership
By Longitude Venture Partners III, L.P.
Underlying class
Common Stock
Underlying amount

Transaction history for Joshua Richardson in Sierra Oncology, Inc.

Sym Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
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