There have been 50 recent insider transactions recorded for Phathom Pharmaceuticals, Inc. (PHAT), including 27 buys and 16 sells. Total insider buying was valued at $13.1M and total insider selling at $2.43M.
Notable insiders with recent activity include Parikh Asit, Breedlove Robert Charles, Cook Anne Marie. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — PHAT
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-10 |
Parikh Asit |
Director |
Gift (Given) |
40,000 |
- |
- |
10,500 |
| 2026-02-27 |
Breedlove Robert Charles |
Principal Accounting Officer |
RSU Award |
13,000 |
- |
- |
60,068 |
| 2026-02-10 |
Cook Anne Marie |
Chief Legal Off. & Corp. Sec. |
Tax Withholding of RSU |
1,535 |
$12.82 |
$19.68K |
88,660 |
| 2026-02-10 |
Basta Steven L |
President and CEO |
Tax Withholding of RSU |
6,277 |
$12.82 |
$80.47K |
373,315 |
| 2026-01-23 |
Parikh Asit |
Director |
Gift (Given) |
80,500 |
- |
- |
50,500 |
| 2026-01-21 |
Breedlove Robert Charles |
Principal Accounting Officer |
Tax Withholding of RSU |
776 |
$13.61 |
$10.56K |
47,068 |
| 2026-01-13 |
Parikh Asit |
Director |
Option Exercise (Sell) |
8,750 |
$10.30 |
$90.13K |
- |
| 2026-01-02 |
Cook Anne Marie |
Chief Legal Off. & Corp. Sec. |
RSU Award |
67,878 |
$15.71 |
$1.07M |
67,878 |
| 2026-01-02 |
Basta Steven L |
President and CEO |
RSU Award |
226,156 |
$15.71 |
$3.55M |
221,156 |
| 2026-01-02 |
Narula Sanjeev |
Chief Financial & Bus. Officer |
RSU Award |
42,848 |
$15.71 |
$673.14K |
42,848 |
| 2025-12-19 |
Parikh Asit |
Director |
Option Exercise (Sell) |
8,750 |
$10.30 |
$90.13K |
8,750 |
| 2025-12-18 |
Breedlove Robert Charles |
Principal Accounting Officer |
Tax Withholding of RSU |
230 |
$16.28 |
$3.74K |
47,844 |
| 2025-12-17 |
Cook Anne Marie |
Chief Legal Off. & Corp. Sec. |
Tax Withholding of RSU |
7,703 |
$15.36 |
$118.32K |
9,667 |
| 2025-12-17 |
Basta Steven L |
President and CEO |
Tax Withholding of RSU |
31,502 |
$15.36 |
$483.87K |
113,786 |
| 2025-11-28 |
Basta Steven L |
President and CEO |
Tax Withholding of RSU |
48,375 |
$15.62 |
$755.62K |
83,250 |
| 2025-11-03 |
Breedlove Robert Charles |
Principal Accounting Officer |
Informative Sell |
524 |
$13.51 |
$7.08K |
47,407 |
| 2025-10-06 |
Narula Sanjeev |
Chief Financial & Bus. Officer |
Unknown |
- |
- |
- |
- |
| 2025-10-06 |
Narula Sanjeev |
Chief Financial & Bus. Officer |
RSU Award |
200,000 |
$11.61 |
$2.32M |
200,000 |
| 2025-10-06 |
Narula Sanjeev |
Chief Financial & Bus. Officer |
RSU Award |
144,000 |
- |
- |
144,000 |
| 2025-09-25 |
Basta Steven L |
President and CEO |
Tax Withholding of RSU |
48,375 |
$11.66 |
$564.05K |
41,625 |
| 2025-09-05 |
Breedlove Robert Charles |
Principal Accounting Officer |
Informative Sell |
461 |
$12.09 |
$5.57K |
47,931 |
| 2025-07-16 |
Breedlove Robert Charles |
Principal Accounting Officer |
Informative Sell |
1,692 |
$8.36 |
$14.15K |
48,392 |
| 2025-06-23 |
Cook Anne Marie |
Chief Legal Off. & Corp. Sec. |
Unknown |
- |
- |
- |
- |
| 2025-06-23 |
Cook Anne Marie |
Chief Legal Off. & Corp. Sec. |
RSU Award |
210,000 |
$9.47 |
$1.99M |
210,000 |
| 2025-06-03 |
Fields Heidi |
Director |
RSU Award |
17,500 |
$4.95 |
$86.63K |
17,500 |
| 2025-06-03 |
Cola Michael F |
Director |
RSU Award |
17,500 |
$4.95 |
$86.63K |
17,500 |
| 2025-06-03 |
Karbe Frank |
Director |
RSU Award |
17,500 |
$4.95 |
$86.63K |
17,500 |
| 2025-06-03 |
Topper James N |
10 Percent Owner |
RSU Award |
17,500 |
$4.95 |
$86.63K |
17,500 |
| 2025-06-03 |
Stenhouse Mark |
Director |
RSU Award |
17,500 |
$4.95 |
$86.63K |
17,500 |
| 2025-06-03 |
Parikh Asit |
Director |
RSU Award |
17,500 |
$4.95 |
$86.63K |
17,500 |
| 2025-05-21 |
Topper James N |
Director |
Informative Buy |
3,780 |
$3.86 |
$14.61K |
59,403 |
| 2025-05-19 |
Breedlove Robert Charles |
Principal Accounting Officer |
RSU Award |
33,000 |
$4.39 |
$144.87K |
33,000 |
| 2025-05-14 |
Topper James N |
Director |
Informative Buy |
6,300 |
$3.32 |
$20.92K |
55,623 |
| 2025-05-13 |
Topper James N |
Director |
Informative Buy |
1,120 |
$3.16 |
$3.54K |
49,323 |
| 2025-05-12 |
Topper James N |
Director |
Informative Buy |
12,601 |
$3.04 |
$38.3K |
48,203 |
| 2025-05-09 |
Topper James N |
Director |
Informative Buy |
33,376 |
$3.19 |
$106.56K |
33,376 |
| 2025-05-07 |
Parikh Asit |
Director |
Informative Buy |
5,000 |
$2.40 |
$11.98K |
95,500 |
| 2025-05-06 |
Parikh Asit |
Director |
Informative Buy |
5,000 |
$2.60 |
$13K |
90,500 |
| 2025-05-01 |
Breedlove Robert Charles |
Principal Accounting Officer |
Unknown |
15,000 |
$5.76 |
$86.4K |
- |
| 2025-04-16 |
Schroeder Theodore R |
Director |
Unknown |
- |
- |
- |
- |
| 2025-04-16 |
Schroeder Theodore R |
Director |
RSU Award |
21,000 |
- |
- |
21,000 |
| 2025-04-07 |
Henderson Molly |
CFO and Cbo |
Informative Sell |
3,678 |
$4.55 |
$16.74K |
89,868 |
| 2025-04-03 |
Basta Steven L |
President and CEO |
RSU Award |
360,000 |
- |
- |
360,000 |
| 2025-04-01 |
Basta Steven L |
President and CEO |
Unknown |
- |
- |
- |
- |
| 2025-03-13 |
Parikh Asit |
Director |
Informative Buy |
10,000 |
$4.42 |
$44.2K |
85,500 |
| 2025-02-27 |
Henderson Molly |
CFO and Cbo |
RSU Award |
50,000 |
$5.76 |
$288K |
50,000 |
| 2025-02-27 |
Curran Terrie |
President and Chief Executive |
RSU Award |
342,500 |
$5.76 |
$1.97M |
342,500 |
| 2025-02-27 |
Nabulsi Azmi |
Chief Operating Officer |
RSU Award |
55,000 |
$5.76 |
$316.8K |
55,000 |
| 2025-01-21 |
Henderson Molly |
CFO and Cbo |
Informative Sell |
6,583 |
$6.59 |
$43.37K |
93,546 |
| 2025-01-21 |
Curran Terrie |
President and Chief Executive |
Informative Sell |
19,109 |
$6.59 |
$125.88K |
360,465 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
