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CIK 0001783183 · Non-accelerated filer<br>Smaller reporting company

Phathom Pharmaceuticals, Inc.

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Ticker
PHAT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
824151574
Phone
(877) 742-8466
Business address
100 CAMPUS DRIVE,, SUITE 102, FLORHAM PARK, NJ, 07932
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2025-12-17 Basta Steven L President and CEO Grant or award +62,038 145,288
2025-12-17 Basta Steven L President and CEO Shares withheld for taxes −31,502 $15.36 $484K 113,786
2025-11-28 Basta Steven L President and CEO Option exercise +90,000 131,625
2025-11-28 Basta Steven L President and CEO Shares withheld for taxes −48,375 $15.62 $756K 83,250
2025-11-28 Basta Steven L President and CEO Option exercise · Performance Shares −90,000 180,000
2025-11-03 Breedlove Robert Charles Principal Accounting Officer Sale −524 $13.51 $7K 47,407
2025-10-06 Narula Sanjeev Chief Financial & Bus. Officer Grant or award +144,000 144,000
2025-10-06 Narula Sanjeev Chief Financial & Bus. Officer Grant or award · Stock Option (Right to Buy) +200,000 200,000
2025-09-25 Basta Steven L President and CEO Option exercise +90,000 90,000
2025-09-25 Basta Steven L President and CEO Shares withheld for taxes −48,375 $11.66 $564K 41,625
2025-09-25 Basta Steven L President and CEO Option exercise · Performance Shares −90,000 270,000
2025-09-05 Breedlove Robert Charles Principal Accounting Officer Sale −461 $12.09 $6K 47,931
2025-07-16 Breedlove Robert Charles Principal Accounting Officer Sale −1,692 $8.36 $14K 48,392
2025-06-23 Cook Anne Marie Chief Legal Off. & Corp. Sec. Grant or award · Stock Option (Right to Buy) +210,000 210,000
2025-06-03 KARBE FRANK Director Grant or award +10,500 67,500
2025-06-03 KARBE FRANK Director Grant or award · Stock Option (Right to Buy) +17,500 17,500
2025-06-03 COLA MICHAEL F Director Grant or award +10,500 39,798
2025-06-03 COLA MICHAEL F Director Grant or award · Stock Option (Right to Buy) +17,500 17,500
2025-06-03 Topper James N Director Grant or award +10,500 42,596
2025-06-03 Topper James N Director Grant or award · Stock Option (Right to Buy) +17,500 17,500

Page 3 of 19 · 379 trades