Phathom Pharmaceuticals, Inc. (PHAT)
Nasdaq: PHAT · Pharmaceutical Preparations · Florham Park, NJ · filing with the SEC since 2019
Who owns Phathom Pharmaceuticals, Inc.
As filed with the SECHolders of 5% or more
2
James N. Topper holds 8.6% of Common Stock, $0.0001 par value per share, as its SCHEDULE 13D/A filed Nov 4, 2025 says.
Directors and officers
11
report now, of 21 people on the record since 2019. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
James N. Topper
SCHEDULE 13D/A · filed Nov 4, 2025 · Common Stock, $0.0001 par value per share · 8.6% in Aug 20, 2025
Blackrock, Inc.
SCHEDULE 13G · filed Jul 29, 2026 · Common Stock · 4.6% in Apr 24, 2025
The Carlyle Group Inc.
SCHEDULE 13G/A · filed Aug 28, 2025 · Common Stock, par value $0.0001 per share · reported falling below 5%
Millennium Management LLC
SCHEDULE 13G/A · filed Jul 20, 2026 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 5.3% in Mar 12, 2026
Jennison Associates LLC
SCHEDULE 13G/A · filed Jun 9, 2025 · Common Stock · reported falling below 5%, from 0% in Jun 4, 2025
Prudential Financial, Inc.
SCHEDULE 13G/A · filed Jun 6, 2025 · Common · reported falling below 5%, from 11% in Nov 5, 2024
What PHAT reports owning in othersstakes of 5% or more, and other ties
Phathom Pharmaceuticals, Inc. reports no stake in another company in the record.
Insider tradesForm 4
1sales
0purchases
0sales on a scheduled plan
1people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 8, 2025 to Oct 8, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Oct 8, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 37 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Breedlove Robert Charles | Principal Accounting Officer | 1 | $0 | 0 | 0 | $0 |