PHAT
Phathom Pharmaceuticals Inc
NASDAQ: PHAT · HEALTHCARE · BIOTECHNOLOGY
$11.78
+3.97% today
Updated 2026-04-29
Market cap
$935.69M
P/E ratio
—
P/S ratio
5.34x
EPS (TTM)
$-3.03
Dividend yield
—
52W range
$2 – $18
Volume
1.2M
Phathom Pharmaceuticals Inc (PHAT) Insider transactions
Net insider activity
Net buying (3,604,098 shares)
Buy transactions
64
Sell transactions
36
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-10 | PARIKH, ASIT | Director | Sale | 40,000 | — | — |
| 2026-02-27 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Buy | 13,000 | — | — |
| 2026-02-27 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Buy | 2,790 | — | — |
| 2026-02-27 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Sale | 964 | $12.56 | $12107.84 |
| 2026-02-27 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Sale | 414 | $12.56 | $5199.84 |
| 2026-02-10 | COOK, ANNE MARIE | Chief Legal Off. & Corp. Sec. | Buy | 3,461 | — | — |
| 2026-02-10 | COOK, ANNE MARIE | Chief Legal Off. & Corp. Sec. | Sale | 1,535 | $12.82 | $19678.70 |
| 2026-02-10 | BASTA, STEVEN L | Director, President and CEO | Buy | 12,362 | — | — |
| 2026-02-10 | BASTA, STEVEN L | Director, President and CEO | Sale | 6,277 | $12.82 | $80471.14 |
| 2026-01-23 | PARIKH, ASIT | Director | Buy | 80,500 | — | — |
| 2026-01-21 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Sale | 776 | $13.61 | $10561.36 |
| 2026-01-13 | PARIKH, ASIT | Director | Sale | 8,750 | — | — |
| 2026-01-13 | PARIKH, ASIT | Director | Buy | 8,750 | $10.30 | $90125.00 |
| 2026-01-02 | NARULA, SANJEEV | Chief Financial & Bus. Officer | Buy | 42,848 | — | — |
| 2026-01-02 | NARULA, SANJEEV | Chief Financial & Bus. Officer | Buy | 82,715 | — | — |
| 2026-01-02 | COOK, ANNE MARIE | Chief Legal Off. & Corp. Sec. | Buy | 67,878 | — | — |
| 2026-01-02 | COOK, ANNE MARIE | Chief Legal Off. & Corp. Sec. | Buy | 75,345 | — | — |
| 2026-01-02 | BASTA, STEVEN L | Director, President and CEO | Buy | 226,156 | — | — |
| 2026-01-02 | BASTA, STEVEN L | Director, President and CEO | Buy | 251,034 | — | — |
| 2025-12-19 | PARIKH, ASIT | Director | Sale | 8,750 | — | — |
| 2025-12-19 | PARIKH, ASIT | Director | Buy | 8,750 | $10.30 | $90125.00 |
| 2025-12-18 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Sale | 230 | $16.28 | $3744.40 |
| 2025-12-17 | COOK, ANNE MARIE | Chief Legal Off. & Corp. Sec. | Buy | 17,370 | — | — |
| 2025-12-17 | COOK, ANNE MARIE | Chief Legal Off. & Corp. Sec. | Sale | 7,703 | $15.36 | $118318.08 |
| 2025-12-17 | BASTA, STEVEN L | Director, President and CEO | Buy | 62,038 | — | — |
| 2025-12-17 | BASTA, STEVEN L | Director, President and CEO | Sale | 31,502 | $15.36 | $483870.72 |
| 2025-11-28 | BASTA, STEVEN L | Director, President and CEO | Sale | 90,000 | — | — |
| 2025-11-28 | BASTA, STEVEN L | Director, President and CEO | Buy | 90,000 | — | — |
| 2025-11-28 | BASTA, STEVEN L | Director, President and CEO | Sale | 48,375 | $15.62 | $755617.50 |
| 2025-11-03 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Sale | 524 | $13.51 | $7079.24 |
| 2025-10-06 | NARULA, SANJEEV | Chief Financial & Bus. Officer | Buy | 200,000 | — | — |
| 2025-10-06 | NARULA, SANJEEV | Chief Financial & Bus. Officer | Buy | 144,000 | — | — |
| 2025-09-25 | BASTA, STEVEN L | Director, President and CEO | Sale | 90,000 | — | — |
| 2025-09-25 | BASTA, STEVEN L | Director, President and CEO | Buy | 90,000 | — | — |
| 2025-09-25 | BASTA, STEVEN L | Director, President and CEO | Sale | 48,375 | $11.66 | $564052.50 |
| 2025-09-05 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Sale | 461 | $12.09 | $5573.49 |
| 2025-07-16 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Sale | 1,692 | $8.36 | $14151.72 |
| 2025-06-23 | COOK, ANNE MARIE | Chief Legal Off. & Corp. Sec. | Buy | 210,000 | — | — |
| 2025-06-03 | TOPPER, JAMES N | Director, 10% Owner | Buy | 17,500 | — | — |
| 2025-06-03 | TOPPER, JAMES N | Director, 10% Owner | Buy | 10,500 | — | — |
| 2025-06-03 | STENHOUSE, MARK | Director | Buy | 17,500 | — | — |
| 2025-06-03 | STENHOUSE, MARK | Director | Buy | 10,500 | — | — |
| 2025-06-03 | PARIKH, ASIT | Director | Buy | 17,500 | — | — |
| 2025-06-03 | PARIKH, ASIT | Director | Buy | 10,500 | — | — |
| 2025-06-03 | KARBE, FRANK | Director | Buy | 17,500 | — | — |
| 2025-06-03 | KARBE, FRANK | Director | Buy | 10,500 | — | — |
| 2025-06-03 | FIELDS, HEIDI | Director | Buy | 17,500 | — | — |
| 2025-06-03 | FIELDS, HEIDI | Director | Buy | 10,500 | — | — |
| 2025-06-03 | COLA, MICHAEL F | Director | Buy | 17,500 | — | — |
| 2025-06-03 | COLA, MICHAEL F | Director | Buy | 10,500 | — | — |
| 2025-05-21 | TOPPER, JAMES N | Director | Buy | 3,780 | $3.86 | $14609.32 |
| 2025-05-19 | BREEDLOVE, ROBERT CHARLES | Principal Accounting Officer | Buy | 33,000 | — | — |
| 2025-05-14 | TOPPER, JAMES N | Director | Buy | 6,300 | $3.32 | $20919.15 |
| 2025-05-13 | TOPPER, JAMES N | Director | Buy | 1,120 | $3.16 | $3543.34 |
| 2025-05-12 | TOPPER, JAMES N | Director | Buy | 12,601 | $3.04 | $38300.74 |
| 2025-05-09 | TOPPER, JAMES N | Director | Buy | 33,376 | $3.19 | $106562.89 |
| 2025-05-09 | TOPPER, JAMES N | Director | Buy | 2,226 | $3.62 | $8053.00 |
| 2025-05-07 | PARIKH, ASIT | Director | Buy | 5,000 | $2.40 | $11984.50 |
| 2025-05-06 | PARIKH, ASIT | Director | Buy | 5,000 | $2.60 | $13000.00 |
| 2025-04-16 | SCHROEDER, THEODORE R | Director | Buy | 35,000 | — | — |
| 2025-04-16 | SCHROEDER, THEODORE R | Director | Buy | 21,000 | — | — |
| 2025-04-07 | HENDERSON, MOLLY | CFO and CBO | Sale | 3,678 | $4.55 | $16739.68 |
| 2025-04-03 | BASTA, STEVEN L | Director, President and CEO | Buy | 1,085,000 | — | — |
| 2025-04-03 | BASTA, STEVEN L | Director, President and CEO | Buy | 360,000 | — | — |
| 2025-03-13 | PARIKH, ASIT | Director | Buy | 10,000 | $4.42 | $44200.00 |
| 2025-02-27 | NABULSI, AZMI | Chief Operating Officer | Buy | 55,000 | — | — |
| 2025-02-27 | NABULSI, AZMI | Chief Operating Officer | Buy | 79,200 | — | — |
| 2025-02-27 | HENDERSON, MOLLY | CFO and CBO | Buy | 50,000 | — | — |
| 2025-02-27 | HENDERSON, MOLLY | CFO and CBO | Buy | 72,000 | — | — |
| 2025-02-27 | CURRAN, TERRIE | Director, President and Chief Executive | Buy | 342,500 | — | — |
| 2025-01-21 | NABULSI, AZMI | Chief Operating Officer | Sale | 7,886 | $6.59 | $51956.91 |
| 2025-01-21 | HENDERSON, MOLLY | CFO and CBO | Sale | 6,583 | $6.59 | $43370.78 |
| 2025-01-21 | CURRAN, TERRIE | Director, President and Chief Executive | Sale | 19,109 | $6.59 | $125884.36 |
| 2024-12-19 | NABULSI, AZMI | Chief Operating Officer | Sale | 1,118 | $8.00 | $8944.00 |
| 2024-12-19 | HENDERSON, MOLLY | CFO and CBO | Sale | 1,291 | $8.00 | $10328.00 |
| 2024-12-13 | PARIKH, ASIT | Director | Buy | 10,000 | $8.12 | $81248.00 |
| 2024-12-13 | KARBE, FRANK | Director | Buy | 12,500 | $7.93 | $99083.75 |
| 2024-09-10 | PARIKH, ASIT | Director | Sale | 7,500 | — | — |
| 2024-09-10 | PARIKH, ASIT | Director | Buy | 7,500 | $11.72 | $87900.00 |
| 2024-07-15 | NABULSI, AZMI | Chief Operating Officer | Sale | 10,901 | $11.72 | $127759.72 |
| 2024-07-15 | HENDERSON, MOLLY | CFO and CBO | Sale | 4,325 | $11.72 | $50689.00 |
| 2024-07-15 | CURRAN, TERRIE | Director, President and Chief Executive | Sale | 33,848 | $11.72 | $396698.56 |
| 2024-05-31 | NABULSI, AZMI | Chief Operating Officer | Buy | 7,500 | — | — |
| 2024-05-31 | HENDERSON, MOLLY | CFO and CBO | Buy | 7,500 | — | — |
| 2024-05-29 | KARBE, FRANK | Director | Buy | 25,000 | $10.16 | $254112.50 |
| 2024-05-23 | TOPPER, JAMES N | Director, 10% Owner | Sale | 17,500 | — | — |
| 2024-05-23 | TOPPER, JAMES N | Director, 10% Owner | Buy | 10,500 | — | — |
| 2024-05-23 | STENHOUSE, MARK | Director | Sale | 17,500 | — | — |
| 2024-05-23 | STENHOUSE, MARK | Director | Buy | 10,500 | — | — |
| 2024-05-23 | SOCKS, DAVID A | Director | Sale | 17,500 | — | — |
| 2024-05-23 | SOCKS, DAVID A | Director | Buy | 10,500 | — | — |
| 2024-05-23 | PARIKH, ASIT | Director | Sale | 17,500 | — | — |
| 2024-05-23 | PARIKH, ASIT | Director | Buy | 10,500 | — | — |
| 2024-05-23 | KARBE, FRANK | Director | Sale | 17,500 | — | — |
| 2024-05-23 | KARBE, FRANK | Director | Buy | 10,500 | — | — |
| 2024-05-23 | FIELDS, HEIDI | Director | Sale | 17,500 | — | — |
| 2024-05-23 | FIELDS, HEIDI | Director | Buy | 10,500 | — | — |
| 2024-05-23 | COLA, MICHAEL F | Director | Sale | 17,500 | — | — |
| 2024-05-23 | COLA, MICHAEL F | Director | Buy | 10,500 | — | — |
| 2024-04-08 | HENDERSON, MOLLY | CFO and CBO | Sale | 3,435 | $11.10 | $38128.50 |