Phathom Pharmaceuticals Inc (PHAT)

Phathom Pharmaceuticals Inc. has seen no insider trading transactions within the last three months. The most recent activity occurred on November 3, 2025, when the Principal Accounting Officer executed a sale. Prior records indicate a mix of buying and selling by various corporate officers throughout earlier periods of that year.
Ticker: PHAT Exchange: NSM


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Insider trades have triggered activity signals for Phathom Pharmaceuticals Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
1.5
Breedlove Robert Charles Principal Accounting Officer Officer
Transaction date
Sale
Price
339.41
Quantity 3,508 -14.1%
Value US$570,047
1.5
Breedlove Robert Charles Principal Accounting Officer Officer
Transaction date
Sale
Price
321.13
Quantity 33,583 +20.3%
Value US$2,240,830
1.5
Breedlove Robert Charles Principal Accounting Officer Officer
Transaction date
Sale
Price
414.85
Quantity 52,916 -37.8%
Value US$3,621,527
3.7
Topper James N Non-Executive Director
Transaction date
Purchase
Price
3.86
Quantity 3,780 +6.8%
Value US$14,609
3.7
Topper James N Non-Executive Director
Transaction date
Purchase
Price
3.32
Quantity 6,300 +12.8%
Value US$20,919
3.7
Topper James N Non-Executive Director
Transaction date
Purchase
Price
3.16
Quantity 1,120 +2.3%
Value US$3,543
3.7
Topper James N Non-Executive Director
Transaction date
Purchase
Price
3.04
Quantity 12,601 +35.4%
Value US$38,301
3.7
Topper James N Non-Executive Director
Transaction date
Purchase
Price
3.62
Quantity 2,226 +6.7%
Value US$8,053
3.7
Topper James N Non-Executive Director
Transaction date
Purchase
Price
3.19
Quantity 33,376 +inf%
Value US$106,563
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
2.40
Quantity 5,000 +5.5%
Value US$11,984
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
2.60
Quantity 5,000 +5.8%
Value US$13,000
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Sale
Price
4.55
Quantity 3,678 -3.9%
Value US$16,740
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
4.42
Quantity 10,000 +13.2%
Value US$44,200
2.5
Nabulsi Azmi Chief Operating Officer Officer
Transaction date
Planned sale
Price
6.59
Quantity 7,886 -3.3%
Value US$51,957
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Planned sale
Price
6.59
Quantity 6,583 -6.6%
Value US$43,371
3.2
Curran Terrie President and Chief Executive Executive Director
Transaction date
Planned sale
Price
6.59
Quantity 19,109 -5.0%
Value US$125,884
2.5
Nabulsi Azmi Chief Operating Officer Officer
Transaction date
Sale
Price
8.00
Quantity 1,118 -0.5%
Value US$8,944
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Sale
Price
8.00
Quantity 1,291 -1.3%
Value US$10,328
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
8.12
Quantity 10,000 +15.3%
Value US$81,248
1.2
KARBE FRANK Non-Executive Director
Transaction date
Purchase
Price
7.93
Quantity 12,500 +28.1%
Value US$99,084
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Planned sale
Price
11.72
Quantity 4,325 -4.2%
Value US$50,689
3.2
Curran Terrie President and Chief Executive Executive Director
Transaction date
Planned sale
Price
11.72
Quantity 33,848 -8.2%
Value US$396,699
2.5
Nabulsi Azmi Chief Operating Officer Officer
Transaction date
Planned sale
Price
11.72
Quantity 10,901 -4.3%
Value US$127,760
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Sale
Price
11.10
Quantity 3,435 -3.5%
Value US$38,128
3.2
Curran Terrie President and Chief Executive Executive Director
Transaction date
Planned sale
Price
9.11
Quantity 16,851 -3.9%
Value US$153,513
3.6
TAKEDA PHARMACEUTICAL CO LTD Large shareholder
Transaction date
Sale
Price
8.10
Quantity 3,703,703 -49.7%
Value US$29,999,994
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Planned sale
Price
7.75
Quantity 6,307 -6.0%
Value US$48,900
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Sale
Price
7.24
Quantity 2,127 -2.0%
Value US$15,403
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
7.80
Quantity 2,500 +4.8%
Value US$19,500
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
7.76
Quantity 4,000 +8.2%
Value US$31,040
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
8.04
Quantity 1,000 +2.1%
Value US$8,040
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Sale
Price
8.95
Quantity 11,681 -10.0%
Value US$104,545
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Sale
Price
7.80
Quantity 811 -0.7%
Value US$6,326
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Planned sale
Price
11.41
Quantity 1,960 -2.8%
Value US$22,368
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Planned sale
Price
12.87
Quantity 2,110 -2.9%
Value US$27,165
2.5
Nabulsi Azmi Chief Operating Officer Officer
Transaction date
Purchase
Price
8.26
Quantity 10,000 +11.2%
Value US$82,600
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
7.55
Quantity 1,000 +4.4%
Value US$7,550
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Planned sale
Price
7.27
Quantity 3,439 -4.5%
Value US$25,002
3.2
Curran Terrie President and Chief Executive Executive Director
Transaction date
Purchase
Price
7.82
Quantity 12,919 +7.4%
Value US$101,025
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Planned sale
Price
8.53
Quantity 2,032 -2.6%
Value US$17,335
3.2
Curran Terrie President and Chief Executive Executive Director
Transaction date
Planned sale
Price
8.54
Quantity 1,436 -0.8%
Value US$12,265
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
7.73
Quantity 5,000 +28.6%
Value US$38,660
3.2
Curran Terrie President and Chief Executive Executive Director
Transaction date
Sale
Price
8.20
Quantity 5,821 -3.2%
Value US$47,729
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
7.00
Quantity 5,000 +40.0%
Value US$35,000
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Sale
Price
9.60
Quantity 2,159 -4.7%
Value US$20,726
3.2
Curran Terrie President and Chief Executive Executive Director
Transaction date
Sale
Price
9.60
Quantity 1,526 -1.8%
Value US$14,650
2.5
Nabulsi Azmi Chief Operating Officer Officer
Transaction date
Purchase
Price
8.16
Quantity 20,000 +2.6%
Value US$163,288
3.5
Henderson Molly CFO and CBO Officer
Transaction date
Purchase
Price
0.00
Quantity 6,000
Value US$0
3.2
Curran Terrie President and Chief Executive Executive Director
Transaction date
Purchase
Price
7.41
Quantity 20,500 +46.5%
Value US$151,835
3.8
Parikh Asit Non-Executive Director
Transaction date
Purchase
Price
8.00
Quantity 12,500 +inf%
Value US$100,000
3.6
TAKEDA PHARMACEUTICAL CO LTD Large shareholder
Transaction date
Sale
Price
20.85
Quantity 1,000,000 -90.9%
Value US$20,850,000
3.8
Socks David A Non-Executive Director
Transaction date
Sale
Price
32.05
Quantity 2,529 -0.2%
Value US$81,052
3.8
Socks David A Non-Executive Director
Transaction date
Planned sale
Price
32.66
Quantity 15,471 -1.3%
Value US$505,343
3.8
Socks David A Non-Executive Director
Transaction date
Sale
Price
34.00
Quantity 13,960 -1.1%
Value US$474,657
3.8
Socks David A Non-Executive Director
Transaction date
Sale
Price
35.09
Quantity 156 -0.0%
Value US$5,474
3.8
Socks David A Non-Executive Director
Transaction date
Planned sale
Price
34.07
Quantity 25,884 -2.0%
Value US$881,811
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-11-05 2025-11-03 S Sale

Principal Accounting Officer

Officer
3,508 -14.1%
339.41
US$570,047
3,508 -14.1% 339.41 US$570,047
2025-09-09 2025-09-05 S Sale

Principal Accounting Officer

Officer
33,583 +20.3%
321.13
US$2,240,830
33,583 +20.3% 321.13 US$2,240,830
2025-07-18 2025-07-16 S Sale

Principal Accounting Officer

Officer
52,916 -37.8%
414.85
US$3,621,527
52,916 -37.8% 414.85 US$3,621,527
2025-05-23 2025-05-21 B Purchase Non-Executive Director
3,780 +6.8%
3.86
US$14,609
3,780 +6.8% 3.86 US$14,609
2025-05-15 2025-05-14 B Purchase Non-Executive Director
6,300 +12.8%
3.32
US$20,919
6,300 +12.8% 3.32 US$20,919
2025-05-15 2025-05-13 B Purchase Non-Executive Director
1,120 +2.3%
3.16
US$3,543
1,120 +2.3% 3.16 US$3,543
2025-05-13 2025-05-12 B Purchase Non-Executive Director
12,601 +35.4%
3.04
US$38,301
12,601 +35.4% 3.04 US$38,301
2025-05-13 2025-05-09 B Purchase Non-Executive Director
2,226 +6.7%
3.62
US$8,053
2,226 +6.7% 3.62 US$8,053
2025-05-13 2025-05-09 B Purchase Non-Executive Director
33,376 +inf%
3.19
US$106,563
33,376 +inf% 3.19 US$106,563
2025-05-08 2025-05-07 B Purchase Non-Executive Director
5,000 +5.5%
2.40
US$11,984
5,000 +5.5% 2.40 US$11,984
2025-05-08 2025-05-06 B Purchase Non-Executive Director
5,000 +5.8%
2.60
US$13,000
5,000 +5.8% 2.60 US$13,000
2025-04-08 2025-04-07 S Sale

CFO and CBO

Officer
3,678 -3.9%
4.55
US$16,740
3,678 -3.9% 4.55 US$16,740
2025-03-17 2025-03-13 B Purchase Non-Executive Director
10,000 +13.2%
4.42
US$44,200
10,000 +13.2% 4.42 US$44,200
2025-01-23 2025-01-21 PlS Planned sale

Chief Operating Officer

Officer
7,886 -3.3%
6.59
US$51,957
7,886 -3.3% 6.59 US$51,957
2025-01-23 2025-01-21 PlS Planned sale

CFO and CBO

Officer
6,583 -6.6%
6.59
US$43,371
6,583 -6.6% 6.59 US$43,371
2025-01-23 2025-01-21 PlS Planned sale

President and Chief Executive

Executive Director
19,109 -5.0%
6.59
US$125,884
19,109 -5.0% 6.59 US$125,884
2024-12-20 2024-12-19 S Sale

Chief Operating Officer

Officer
1,118 -0.5%
8.00
US$8,944
1,118 -0.5% 8.00 US$8,944
2024-12-20 2024-12-19 S Sale

CFO and CBO

Officer
1,291 -1.3%
8.00
US$10,328
1,291 -1.3% 8.00 US$10,328
2024-12-16 2024-12-13 B Purchase Non-Executive Director
10,000 +15.3%
8.12
US$81,248
10,000 +15.3% 8.12 US$81,248
2024-12-16 2024-12-13 B Purchase Non-Executive Director
12,500 +28.1%
7.93
US$99,084
12,500 +28.1% 7.93 US$99,084
2024-07-17 2024-07-15 PlS Planned sale

CFO and CBO

Officer
4,325 -4.2%
11.72
US$50,689
4,325 -4.2% 11.72 US$50,689
2024-07-17 2024-07-15 PlS Planned sale

President and Chief Executive

Executive Director
33,848 -8.2%
11.72
US$396,699
33,848 -8.2% 11.72 US$396,699
2024-07-17 2024-07-15 PlS Planned sale

Chief Operating Officer

Officer
10,901 -4.3%
11.72
US$127,760
10,901 -4.3% 11.72 US$127,760
2024-04-10 2024-04-08 S Sale

CFO and CBO

Officer
3,435 -3.5%
11.10
US$38,128
3,435 -3.5% 11.10 US$38,128
2024-03-26 2024-03-22 PlS Planned sale

President and Chief Executive

Executive Director
16,851 -3.9%
9.11
US$153,513
16,851 -3.9% 9.11 US$153,513
2024-01-25 2024-01-24 S Sale Large shareholder
3,703,703 -49.7%
8.10
US$29,999,994
3,703,703 -49.7% 8.10 US$29,999,994
2024-01-22 2024-01-19 PlS Planned sale

CFO and CBO

Officer
6,307 -6.0%
7.75
US$48,900
6,307 -6.0% 7.75 US$48,900
2023-11-21 2023-11-20 S Sale

CFO and CBO

Officer
2,127 -2.0%
7.24
US$15,403
2,127 -2.0% 7.24 US$15,403
2023-11-08 2023-11-08 B Purchase Non-Executive Director
2,500 +4.8%
7.80
US$19,500
2,500 +4.8% 7.80 US$19,500
2023-11-08 2023-11-07 B Purchase Non-Executive Director
4,000 +8.2%
7.76
US$31,040
4,000 +8.2% 7.76 US$31,040
2023-11-08 2023-11-06 B Purchase Non-Executive Director
1,000 +2.1%
8.04
US$8,040
1,000 +2.1% 8.04 US$8,040
2023-11-03 2023-11-01 S Sale

CFO and CBO

Officer
11,681 -10.0%
8.95
US$104,545
11,681 -10.0% 8.95 US$104,545
2023-11-03 2023-11-01 S Sale

CFO and CBO

Officer
811 -0.7%
7.80
US$6,326
811 -0.7% 7.80 US$6,326
2023-06-05 2023-06-02 PlS Planned sale

CFO and CBO

Officer
1,960 -2.8%
11.41
US$22,368
1,960 -2.8% 11.41 US$22,368
2023-05-23 2023-05-22 PlS Planned sale

CFO and CBO

Officer
2,110 -2.9%
12.87
US$27,165
2,110 -2.9% 12.87 US$27,165
2023-04-11 2023-04-11 B Purchase

Chief Operating Officer

Officer
10,000 +11.2%
8.26
US$82,600
10,000 +11.2% 8.26 US$82,600
2023-04-11 2023-04-10 B Purchase Non-Executive Director
1,000 +4.4%
7.55
US$7,550
1,000 +4.4% 7.55 US$7,550
2023-04-07 2023-04-06 PlS Planned sale

CFO and CBO

Officer
3,439 -4.5%
7.27
US$25,002
3,439 -4.5% 7.27 US$25,002
2023-04-07 2023-04-06 B Purchase

President and Chief Executive

Executive Director
12,919 +7.4%
7.82
US$101,025
12,919 +7.4% 7.82 US$101,025
2023-03-03 2023-03-01 PlS Planned sale

CFO and CBO

Officer
2,032 -2.6%
8.53
US$17,335
2,032 -2.6% 8.53 US$17,335
2023-03-03 2023-03-01 PlS Planned sale

President and Chief Executive

Executive Director
1,436 -0.8%
8.54
US$12,265
1,436 -0.8% 8.54 US$12,265
2023-02-14 2023-02-13 B Purchase Non-Executive Director
5,000 +28.6%
7.73
US$38,660
5,000 +28.6% 7.73 US$38,660
2023-01-20 2023-01-20 S Sale

President and Chief Executive

Executive Director
5,821 -3.2%
8.20
US$47,729
5,821 -3.2% 8.20 US$47,729
2023-01-12 2023-01-12 B Purchase Non-Executive Director
5,000 +40.0%
7.00
US$35,000
5,000 +40.0% 7.00 US$35,000
2022-11-23 2022-11-21 S Sale

CFO and CBO

Officer
2,159 -4.7%
9.60
US$20,726
2,159 -4.7% 9.60 US$20,726
2022-11-23 2022-11-21 S Sale

President and Chief Executive

Executive Director
1,526 -1.8%
9.60
US$14,650
1,526 -1.8% 9.60 US$14,650
2022-05-16 2022-05-16 B Purchase

Chief Operating Officer

Officer
20,000 +2.6%
8.16
US$163,288
20,000 +2.6% 8.16 US$163,288
2022-05-16 2022-05-13 B Purchase

CFO and CBO

Officer
6,000
0.00
US$0
6,000 0.00 US$0
2022-05-16 2022-05-13 B Purchase

President and Chief Executive

Executive Director
20,500 +46.5%
7.41
US$151,835
20,500 +46.5% 7.41 US$151,835
2022-05-16 2022-05-12 B Purchase Non-Executive Director
12,500 +inf%
8.00
US$100,000
12,500 +inf% 8.00 US$100,000
2022-03-16 2022-03-14 S Sale Large shareholder
18 -0.0%
19.00
US$342
18 -0.0% 19.00 US$342
2021-11-08 2021-11-04 S Sale Large shareholder
1,000,000 -90.9%
20.85
US$20,850,000
1,000,000 -90.9% 20.85 US$20,850,000
2021-11-08 2021-11-04 S Sale Large shareholder
1 -0.0%
19.00
US$19
1 -0.0% 19.00 US$19
2021-10-08 2021-10-08 S Sale Non-Executive Director
2,529 -0.2%
32.05
US$81,052
2,529 -0.2% 32.05 US$81,052
2021-10-08 2021-10-07 PlS Planned sale Non-Executive Director
15,471 -1.3%
32.66
US$505,343
15,471 -1.3% 32.66 US$505,343
2021-06-29 2021-06-29 S Sale Non-Executive Director
13,960 -1.1%
34.00
US$474,657
13,960 -1.1% 34.00 US$474,657
2021-06-29 2021-06-28 S Sale Non-Executive Director
156 -0.0%
35.09
US$5,474
156 -0.0% 35.09 US$5,474
2021-06-29 2021-06-28 PlS Planned sale Non-Executive Director
25,884 -2.0%
34.07
US$881,811
25,884 -2.0% 34.07 US$881,811
2021-06-29 2021-06-28 PlS Planned sale Large shareholder
370 -0.0%
35.08
US$12,980
370 -0.0% 35.08 US$12,980
2021-06-29 2021-06-25 PlS Planned sale Large shareholder
1,250 -0.1%
36.07
US$45,088
1,250 -0.1% 36.07 US$45,088
2021-06-29 2021-06-25 PlS Planned sale Large shareholder
22,881 -2.5%
35.46
US$811,360
22,881 -2.5% 35.46 US$811,360
2021-06-25 2021-06-24 PlS Planned sale Large shareholder
10,848 -1.2%
35.14
US$381,199
10,848 -1.2% 35.14 US$381,199
2021-06-25 2021-06-23 PlS Planned sale Large shareholder
200 -0.0%
35.00
US$7,000
200 -0.0% 35.00 US$7,000
2021-06-23 2021-06-22 PlS Planned sale Large shareholder
100 -0.0%
35.00
US$3,500
100 -0.0% 35.00 US$3,500
2021-06-23 2021-06-21 PlS Planned sale Large shareholder
9,294 -1.0%
35.31
US$328,171
9,294 -1.0% 35.31 US$328,171
2021-06-21 2021-06-18 PlS Planned sale Large shareholder
5,398 -0.6%
35.13
US$189,632
5,398 -0.6% 35.13 US$189,632
2021-06-21 2021-06-17 PlS Planned sale Large shareholder
3,305 -0.4%
35.08
US$115,939
3,305 -0.4% 35.08 US$115,939
2021-06-16 2021-06-14 PlS Planned sale Large shareholder
2,826 -0.3%
35.06
US$99,080
2,826 -0.3% 35.06 US$99,080
2021-06-11 2021-06-10 PlS Planned sale Large shareholder
2,102 -0.2%
35.14
US$73,864
2,102 -0.2% 35.14 US$73,864
2021-06-11 2021-06-09 PlS Planned sale Large shareholder
1,191 -0.1%
35.28
US$42,018
1,191 -0.1% 35.28 US$42,018
2021-06-09 2021-06-08 PlS Planned sale Large shareholder
100 -0.0%
35.00
US$3,500
100 -0.0% 35.00 US$3,500
2021-06-09 2021-06-07 PlS Planned sale Large shareholder
2,264 -0.2%
35.05
US$79,353
2,264 -0.2% 35.05 US$79,353
2021-06-04 2021-06-02 PlS Planned sale Large shareholder
4,300 -0.5%
35.18
US$151,274
4,300 -0.5% 35.18 US$151,274
2021-06-02 2021-06-01 PlS Planned sale Large shareholder
3,967 -0.4%
36.20
US$143,605
3,967 -0.4% 36.20 US$143,605
2021-06-02 2021-06-01 PlS Planned sale Large shareholder
7,244 -0.8%
35.55
US$257,524
7,244 -0.8% 35.55 US$257,524