STOCK TITAN
  1. Home
  2. Sec-filings
  3. PHAT
  4. [Form 3] Phathom Pharmaceuticals, Inc. Initial Statement of Beneficial Ownership

Biotech Firm Phathom Strengthens Leadership Team with New Legal Executive

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Anne Marie Cook has filed an initial Form 3 Statement of Beneficial Ownership following her appointment as Chief Legal Officer & Corporate Secretary at Phathom Pharmaceuticals (PHAT). The filing, dated June 28, 2025, discloses her beneficial ownership status as of June 23, 2025.

Key details of the filing:

  • Cook currently owns no securities of Phathom Pharmaceuticals
  • No derivative securities (options, warrants, etc.) are reported as beneficially owned
  • The filing is made as an individual submission, not as part of a group
  • Direct ownership form is indicated for the zero securities position

This Form 3 filing is a standard regulatory requirement for new officers, directors, and 10% shareholders under Section 16(a) of the Securities Exchange Act of 1934, establishing a baseline for future transaction reporting.

Positive

  • None.

Negative

  • None.
Insider Cook Anne Marie
Role Chief Legal Off. & Corp. Sec.
Type Security Shares Price Value
holding No securities are beneficially owned. -- -- --
Holdings After Transaction: No securities are beneficially owned. — 0 shares (Direct)
Footnotes (1)
Understanding Insider Trading Forms →
SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Cook Anne Marie
(Last) (First) (Middle)
C/O PHATHOM PHARMACEUTICALS, INC.
100 CAMPUS DRIVE, SUITE 102
(Street)
FLORHAM PARK NJ 07932
(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
06/23/2025 		3. Issuer Name and Ticker or Trading Symbol
Phathom Pharmaceuticals, Inc. [ PHAT ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Legal Off. & Corp. Sec.
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
No securities are beneficially owned. 0 D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
/s/ Anne Marie Cook 06/24/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

How many shares does Anne Marie Cook own in PHAT upon appointment?

According to the Form 3 filing, Anne Marie Cook owns no securities (0 shares) beneficially in Phathom Pharmaceuticals (PHAT) at the time of her appointment as Chief Legal Officer.