13D·WATCH Activist + Insider Intelligence Live feed Blog About Pilot
ISSUER PROFILE · CIK 0001783183

Phathom Pharmaceuticals, Inc.PHAT

6 13D/G filings 2 distinct filers 34 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
6
6 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
34
15 buys · 3 sales
Latest short DTC
9.41
as of 2026-05-29

13D/G Filings Timeline · 6 total

FiledFormFilerStakeSharesIntent
2024-04-01 SC TAKEDA PHARMACEUTICAL CO LTD view →
2022-09-26 SC Frazier Life Sciences IX, L.P. view →
2021-11-12 SC TAKEDA PHARMACEUTICAL CO LTD view →
2021-04-06 SC TAKEDA PHARMACEUTICAL CO LTD view →
2021-04-01 SC TAKEDA PHARMACEUTICAL CO LTD view →
2020-01-27 SC TAKEDA PHARMACEUTICAL CO LTD view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-03-10 Parikh Asit director Gift 40,000
2026-02-27 Breedlove Robert Charles officer Award 13,000
2026-02-27 Breedlove Robert Charles officer Award 2,790
2026-02-27 Breedlove Robert Charles officer F 964 $12.56 $12K
2026-02-27 Breedlove Robert Charles officer F 414 $12.56 $5K
2026-02-10 Cook Anne Marie officer Award 3,461
2026-02-10 Basta Steven L director, officer Award 12,362
2026-02-10 Basta Steven L director, officer F 6,277 $12.82 $80K
2026-02-10 Cook Anne Marie officer F 1,535 $12.82 $20K
2026-01-23 Parikh Asit director Gift 80,500
2026-01-21 Breedlove Robert Charles officer F 776 $13.61 $11K
2026-01-13 Parikh Asit director Option exercise 8,750 $10.30 $90K
2026-01-02 Basta Steven L director, officer Award 251,034
2026-01-02 Cook Anne Marie officer Award 75,345
2026-01-02 Narula Sanjeev officer Award 82,715
2026-01-02 Narula Sanjeev officer Award 42,848 $15.71 $673K
2026-01-02 Cook Anne Marie officer Award 67,878 $15.71 $1.07M
2026-01-02 Basta Steven L director, officer Award 226,156 $15.71 $3.55M
2025-12-19 Parikh Asit director Option exercise 8,750 $10.30 $90K
2025-12-18 Breedlove Robert Charles officer F 230 $16.28 $4K
2025-12-17 Cook Anne Marie officer Award 17,370
2025-12-17 Basta Steven L director, officer Award 62,038
2025-12-17 Basta Steven L director, officer F 31,502 $15.36 $484K
2025-12-17 Cook Anne Marie officer F 7,703 $15.36 $118K
2025-11-28 Basta Steven L director, officer Option exercise 90,000
Showing 25 of 34

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 10,352,426 9.41 +0.6%
2026-05-15 10,288,317 8.68 +5.7%
2026-04-30 9,736,465 5.88 +2.5%
2026-04-15 9,502,963 9.92 -10.7%
2026-03-31 10,637,936 9.23 -8.8%
2026-03-13 11,657,728 10.93 +4.4%
2026-02-27 11,169,289 9.81 -4.7%
2026-02-13 11,718,291 14.85 +2.8%
2026-01-30 11,396,304 10.88 +8.3%
2026-01-15 10,523,193 6.48 -2.4%
2025-12-31 10,780,383 10.51 -15.0%
2025-12-15 12,677,843 15.98 -0.5%

Alert me when any activist files on Phathom Pharmaceuticals, Inc.

Free. We email you when criteria match. One-click unsubscribe in every email.

Track every activist who touches this name.

Custom alerts · full feed · daily intelligence · API. $1,500/mo. Pilots welcome.

Request a pilot →