Phathom Pharmaceuticals, Inc.
Phathom Pharmaceuticals, Inc. (PHAT) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · PHAT · as of Jun 9, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
3
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Phathom Pharmaceuticals, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 9, 2026
PHAT insider buying and selling by quarter
PHAT insider selling · PHAT insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 9, 2026
Active insiders
Most active in past 12 months · PHAT ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
PHAT executive sell shares · PHAT board member insider trading · PHAT insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 22, 2026 | Parikh Asit Director | Gift | 28,000 | — | Form 4 |
| May 22, 2026 | Parikh Asit Director | Gift | 28,000 | — | Form 4 |
| May 20, 2026 | Parikh Asit Director | Option | 17,500 | $87K | Form 4 |
| May 19, 2026 | Parikh Asit Director | Award | 24,122 | — | Form 4 |
| May 19, 2026 | Topper James N Director | Award | 24,122 | — | Form 4 |
| May 19, 2026 | Stenhouse Mark Director | Award | 24,122 | — | Form 4 |
| May 19, 2026 | FIELDS HEIDI Director | Award | 24,122 | — | Form 4 |
| May 19, 2026 | COLA MICHAEL F Director | Award | 24,122 | — | Form 4 |
| May 19, 2026 | KARBE FRANK Director | Award | 24,122 | — | Form 4 |
| May 19, 2026 | Schroeder Theodore R Director | Award | 24,122 | — | Form 4 |
| Mar 10, 2026 | Parikh Asit Director | Gift | 40,000 | — | Form 4 |
| Mar 10, 2026 | Parikh Asit Director | Gift | 40,000 | — | Form 4 |
| Feb 27, 2026 | Breedlove Robert Charles PAO | Award | 2,790 | — | Form 4 |
| Feb 27, 2026 | Breedlove Robert Charles PAO | Other | 964 | $12K | Form 4 |
| Feb 27, 2026 | Breedlove Robert Charles PAO | Other | 414 | $5K | Form 4 |
| Feb 27, 2026 | Breedlove Robert Charles PAO | Award | 13,000 | — | Form 4 |
| Feb 10, 2026 | Cook Anne Marie Chief Legal Off. & Corp. Sec. | Award | 3,461 | — | Form 4 |
| Feb 10, 2026 | Cook Anne Marie Chief Legal Off. & Corp. Sec. | Other | 1,535 | $20K | Form 4 |
| Feb 10, 2026 | Basta Steven L President and CEO · Director | Award | 12,362 | — | Form 4 |
| Feb 10, 2026 | Basta Steven L President and CEO · Director | Other | 6,277 | $80K | Form 4 |
| Jan 23, 2026 | Parikh Asit Director | Gift | 80,500 | — | Form 4 |
| Jan 23, 2026 | Parikh Asit Director | Gift | 80,500 | — | Form 4 |
| Jan 21, 2026 | Breedlove Robert Charles PAO | Other | 776 | $11K | Form 4 |
| Jan 13, 2026 | Parikh Asit Director | Option | 8,750 | $90K | Form 4 |
| Jan 2, 2026 | Basta Steven L President and CEO · Director | Award | 251,034 | — | Form 4 |
Cook Anne Marie
Chief Legal Off. & Corp. Sec.
Date
Feb 10
Shares
3,461
Price
—
Value
—
Cook Anne Marie
Chief Legal Off. & Corp. Sec.
Date
Feb 10
Shares
1,535
Price
$12.82
Value
$20K
Basta Steven L
President and CEO · Director
Date
Feb 10
Shares
12,362
Price
—
Value
—
Basta Steven L
President and CEO · Director
Date
Feb 10
Shares
6,277
Price
$12.82
Value
$80K
Basta Steven L
President and CEO · Director
Date
Jan 2
Shares
251,034
Price
—
Value
—
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About PHAT insider trading
PHAT insider trades
Phathom Pharmaceuticals, Inc. (PHAT) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Parikh Asit (Director), Breedlove Robert Charles (PAO), Basta Steven L (President and CEO · Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. PHAT insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Phathom Pharmaceuticals, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
PHAT insider trading · 5 questionsThe insiders of Phathom Pharmaceuticals, Inc. (PHAT) include executives and directors such as Parikh Asit (Director), Breedlove Robert Charles (PAO), Basta Steven L (President and CEO · Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026