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Phathom Pharmaceuticals, Inc. (PHAT)

Phathom Pharmaceuticals, Inc. (PHAT) Insider Trading

Directors, officers and holders of more than 10% of PHAT report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 95 transactions on file: 0 with code P, 1 with code S and 49 with other codes.

DateInsiderCodeShares
Oct 6, 2026Narula SanjeevF Tax Payment13,485
Sep 3, 2026Breedlove Robert CharlesF Tax Payment460
Jul 14, 2026Breedlove Robert CharlesF Tax Payment1,555
May 22, 2026Parikh AsitG Gift28,000
May 22, 2026Parikh AsitG Gift28,000
May 20, 2026Parikh AsitM Exercise17,500
May 20, 2026Parikh AsitD Disposition17,500
May 19, 2026Topper James NA Award24,122
May 19, 2026KARBE FRANKA Award24,122
May 19, 2026COLA MICHAEL FA Award24,122
May 19, 2026FIELDS HEIDIA Award24,122
May 19, 2026Stenhouse MarkA Award24,122
May 19, 2026Schroeder Theodore RA Award24,122
May 19, 2026Parikh AsitA Award24,122
Mar 10, 2026Parikh AsitG Gift40,000
Mar 10, 2026Parikh AsitG Gift40,000
Feb 27, 2026Breedlove Robert CharlesF Tax Payment964
Feb 27, 2026Breedlove Robert CharlesF Tax Payment414
Feb 27, 2026Breedlove Robert CharlesA Award2,790
Feb 27, 2026Breedlove Robert CharlesA Award13,000
Feb 10, 2026Cook Anne MarieA Award3,461
Feb 10, 2026Cook Anne MarieF Tax Payment1,535
Feb 10, 2026Basta Steven LA Award12,362
Feb 10, 2026Basta Steven LF Tax Payment6,277
Jan 23, 2026Parikh AsitG Gift80,500
Jan 23, 2026Parikh AsitG Gift80,500
Jan 21, 2026Breedlove Robert CharlesF Tax Payment776
Jan 13, 2026Parikh AsitM Exercise8,750
Jan 13, 2026Parikh AsitM Exercise8,750
Jan 2, 2026Cook Anne MarieA Award75,345
Jan 2, 2026Basta Steven LA Award251,034
Jan 2, 2026Narula SanjeevA Award42,848
Jan 2, 2026Cook Anne MarieA Award67,878
Jan 2, 2026Basta Steven LA Award226,156
Jan 2, 2026Narula SanjeevA Award82,715
Dec 19, 2025Parikh AsitM Exercise8,750
Dec 19, 2025Parikh AsitM Exercise8,750
Dec 18, 2025Breedlove Robert CharlesF Tax Payment230
Dec 17, 2025Cook Anne MarieF Tax Payment7,703
Dec 17, 2025Basta Steven LA Award62,038
Dec 17, 2025Basta Steven LF Tax Payment31,502
Dec 17, 2025Cook Anne MarieA Award17,370
Nov 28, 2025Basta Steven LM Exercise90,000
Nov 28, 2025Basta Steven LF Tax Payment48,375
Nov 28, 2025Basta Steven LM Exercise90,000
Nov 3, 2025Breedlove Robert CharlesS Sale524
Oct 6, 2025Narula SanjeevA Award144,000
Oct 6, 2025Narula SanjeevA Award200,000
Sep 25, 2025Basta Steven LM Exercise90,000
Sep 25, 2025Basta Steven LF Tax Payment48,375

The full Form 4 history is on the PHAT company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.