// company-profile
Phathom Pharmaceuticals, Inc.
PHATExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings98Insiders16
// api This Phathom Pharmaceuticals, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Phathom Pharmaceuticals, Inc. insiders bought $87K (8 transactions) and sold $0 (1 transaction).
- Most active insider: Parikh Asit with 5 transactions totaling $87K.
- Largest single purchase: $87K by Parikh Asit on May 20, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Phathom Pharmaceuticals, Inc. as of 2026-03-31
Total reported AUM
$743.9M
QoQ change
-22.0%
Reporting period
2026-03-31
#1
Frazier Life Sciences Management, L.P.
CIK 1892134
$138.5M
12.5M shares
#2
Medicxi Ventures Management (Jersey) Ltd
CIK 1715579
$82.9M
7.5M shares
#3
MILLENNIUM MANAGEMENT LLC
CIK 1273087
$44.7M
4.0M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 22, 2026 | Parikh Asit | PHAT | Gift | 28,000 | $0.00 | $0K |
| May 22, 2026 | Parikh Asit | PHAT | Gift | 28,000 | $0.00 | $0K |
| May 20, 2026 | Parikh Asit | PHAT | Option Exercise | 17,500 | $4.95 | $87K |
| May 20, 2026 | Parikh Asit | PHAT | Disposition | 17,500 | $0.00 | $0K |
| May 19, 2026 | Parikh Asit | PHAT | Award | 24,122 | $0.00 | $0K |
45 more transactions hidden
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