James N. Topper - Director, 10%+ Owner at Phathom Pharmaceuticals, Inc.

Issuer-level insider activity

Role: Director, 10%+ Owner
Issuer ticker: PHAT on Nasdaq
Entity type: Individual
Source filing history: Open source filing history

No buys or sells have been reported by James N. Topper since 22 Aug 2025

Reported holdings for James N. Topper in Phathom Pharmaceuticals, Inc.

Form 4 holding Director, 10%+ Owner

Phathom Pharmaceuticals, Inc.

Security class: Common Stock
Shares / value: 5,827,415
Estimated value: $64,742,580
Report date: 19 May 2026
Price: $11.11
Ownership: By Frazier Life Sciences IX, L.P.

Form 4 holding Director, 10%+ Owner

Phathom Pharmaceuticals, Inc.

Security class: Common Stock
Shares / value: 66,718
Estimated value: $741,236
Report date: 19 May 2026
Price: $11.11
Ownership: Direct

Form 4 holding Director, 10%+ Owner

Phathom Pharmaceuticals, Inc.

Security class: Common Stock
Shares / value: 59,403
Estimated value: $659,967
Report date: 19 May 2026
Price: $11.11
Ownership: By Frazier Life Sciences X, L.P.

Form 4 holding Director, 10%+ Owner

Phathom Pharmaceuticals, Inc.

Security class: Common Stock
Shares / value: 3,912
Estimated value: $43,462
Report date: 19 May 2026
Price: $11.11
Ownership: By Topper Group III LLC

Form 4 holding Director, 10%+ Owner

Phathom Pharmaceuticals, Inc.

Security class: Common Stock
Shares / value: 1
Estimated value: $11
Report date: 19 May 2026
Price: $11.11
Ownership: By FHMLS IX, L.L.C.

Form 4 holding Director, 10%+ Owner

Phathom Pharmaceuticals, Inc.

Security class: Stock Option (Right to Buy)
Shares / value: 17,500
Estimated value
Report date: 03 Jun 2025
Price
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Transaction history for James N. Topper in Phathom Pharmaceuticals, 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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