Mangini Siobhan Nolan - President and CFO at NGM BIOPHARMACEUTICALS INC

Issuer-level insider activity

Role
President and CFO
Issuer ticker
NGM
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 Mangini Siobhan Nolan since 06 Oct 2025

Reported holdings for Mangini Siobhan Nolan in NGM BIOPHARMACEUTICALS INC

Form 4 holding President and CFO

NGM BIOPHARMACEUTICALS INC

Security class
Common Stock
Shares / value
76,000
Estimated value
$101,840
Report date
02 Mar 2023
Price
$1.34
Ownership
Direct
Form 4 holding President and CFO

NGM BIOPHARMACEUTICALS INC

Security class
Stock Option (Right to Buy)
Shares / value
200,000
Estimated value
Report date
02 Mar 2023
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Transaction history for Mangini Siobhan Nolan in NGM BIOPHARMACEUTICALS 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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