Phathom Pharmaceuticals Inc

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Phathom Pharmaceuticals Inc
TickerPHAT
CIK #0001783183
CUSIP71722W107
SectorLife Sciences - Pharmaceutical Preparations
Address2150 E Lake Cook Road, Suite 800, Buffalo Grove, IL 60089
Source [EDGAR]
CIK Filing 2011 - 2026
[0001783183] 10-K
[0001783183] 10-Q
[0001783183] 3
[0001783183] 4
[0001783183] 5
[0001783183] 8-K
[0001783183] SC 13D
[0001783183] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Millennium Management LLC Phathom Pharmaceuticals Inc [2026-03-12] 0.0
Millennium Management LLC Phathom Pharmaceuticals Inc [2025-08-13] 0.0
BlackRock Inc Phathom Pharmaceuticals Inc [2024-11-12] 5.2
Prudential Financial Inc Phathom Pharmaceuticals Inc [2024-11-05] 0.0
Jennison Associates LLC Phathom Pharmaceuticals Inc [2024-11-04] 10.4
BlackRock Inc Phathom Pharmaceuticals Inc [2024-10-21] 5.2
Carlyle Group Inc Phathom Pharmaceuticals Inc [2023-03-09] 6.7
Flynn James E Phathom Pharmaceuticals Inc [2022-09-23] 5.81
Avidity Partners Management LP Phathom Pharmaceuticals Inc [2022-02-14] 6.0
Vanguard Group Inc Phathom Pharmaceuticals Inc [2022-02-10] 6.14
Janus Henderson Group PLC Phathom Pharmaceuticals Inc [2020-02-14] 6.0
Invesco Ltd Phathom Pharmaceuticals Inc [2020-02-13] 8.6
Medicxi Growth I LP Phathom Pharmaceuticals Inc [2020-02-10] 8.2
Yamada Tadataka Phathom Pharmaceuticals Inc [2020-02-10] 6.9
Socks David A Phathom Pharmaceuticals Inc [2020-02-10] 6.9
RA Capital Management LP Phathom Pharmaceuticals Inc [2019-11-08] 12.6
Frazier Life Sciences IX LP Phathom Pharmaceuticals Inc [2019-11-06] 25.1
Takeda Pharmaceutical Co Ltd Phathom Pharmaceuticals Inc [2019-11-06] 24.7
Form 3/4/5 Filer 2011 - 2026
Phathom Pharmaceuticals Inc
Parikh Asit
Topper James N
Stenhouse Mark
Fields Heidi
Cola Michael F
Schroeder Theodore R
Karbe Frank
Breedlove Robert Charles
Basta Steven L
Cook Anne Marie
Narula Sanjeev
Henderson Molly
Curran Terrie
Nabulsi Azmi
Socks David A
Medicxi Growth I GP Ltd
Medicxi Growth I LP
Medicxi IV LP
Medicxi Co-Invest IV LP
Medicxi Ventures Management Jersey Limited
Medicxi IV GP Ltd
Medicxi Growth Co-Invest I LP
Takeda Pharmaceutical Co Ltd
Guzzo Anthony J
Yamada Tadataka
Shah Rajeev M
RA Capital Healthcare Fund LP
RA Capital Management LP
Kolchinsky Peter
Branning Todd P
Heron Patrick J
Frazier Life Sciences IX LP
Fhmls IX LLC
Fhmls IX LP
Edwards Jonathan S
Slavinsky Christopher W
Kohli Aditya
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Parikh Asit
Common Stock
2026-03-10 Gift 40,000 $0.00
Parikh Asit
Common Stock
2026-03-10 Gift 40,000 $0.00
Breedlove Robert Charles
Common Stock
2026-02-27 Tax withheld 414 $12.56 5,200
Breedlove Robert Charles
Common Stock
2026-02-27 Grant 2,790 $0.00
Breedlove Robert Charles
Common Stock
2026-02-27 Tax withheld 964 $12.56 12,108
Breedlove Robert Charles
Common Stock
2026-02-27 Grant 13,000 $0.00
Cook Anne Marie
Common Stock
2026-02-10 Tax withheld 1,535 $12.82 19,679
Basta Steven L
Common Stock
2026-02-10 Grant 12,362 $0.00
Basta Steven L
Common Stock
2026-02-10 Tax withheld 6,277 $12.82 80,471
Cook Anne Marie
Common Stock
2026-02-10 Grant 3,461 $0.00
Parikh Asit
Common Stock
2026-01-23 Gift 80,500 $0.00
Parikh Asit
Common Stock
2026-01-23 Gift 80,500 $0.00
Breedlove Robert Charles
Common Stock
2026-01-21 Tax withheld 776 $13.61 10,561
Parikh Asit
Common Stock (Right to Buy) · derivative
2026-01-13 Option exercise 8,750 $0.00
Parikh Asit
Common Stock
2026-01-13 Option exercise 8,750 $10.30 90,125
Cook Anne Marie
Common Stock
2026-01-02 Grant 75,345 $0.00
Narula Sanjeev
Common Stock
2026-01-02 Grant 82,715 $0.00
Basta Steven L
Common Stock
2026-01-02 Grant 251,034 $0.00
Basta Steven L
Stock Option (Right to Buy) · derivative
2026-01-02 Grant 226,156 $0.00
Cook Anne Marie
Stock Option (Right to Buy) · derivative
2026-01-02 Grant 67,878 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 176 68,825,668
2025-12-31 174 61,570,624
2025-09-30 134 62,447,565
2025-06-30 120 58,859,118
2025-03-31 139 63,040,441
2024-12-31 145 66,262,717
2024-09-30 134 71,717,555
2024-06-30 116 58,139,607
2024-03-31 116 55,535,405
2023-12-31 119 53,855,720
2023-09-30 112 43,216,018
2023-06-30 104 42,378,589
Form 13F Holdings
Firm Period DFND Voting Shares
Wasatch Advisors LP [2026-06-30] SOLE 1,307,247 1,307,247
Hennion & Walsh Asset Management Inc [2026-06-30] SOLE 327,278 327,278
Simplify Asset Management Inc [2026-06-30] SOLE 249,267 249,267
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 39,845 39,845
Summit Financial Wealth Advisors LLC [2026-06-30] SOLE 0 22,143
Inspirion Wealth Advisors LLC [2026-06-30] SOLE 0 19,914
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 0 18,731
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 427 427
Gamma Investing LLC [2026-06-30] DFND 400 400
Farther Finance Advisors LLC [2026-06-30] SOLE 0 342
True Wealth Design LLC [2026-06-30] SOLE 0 88
Elevation Wealth Partners LLC [2026-06-30] SOLE 0 20
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