AnaptysBio (NASDAQ: ANAB) CFO Christopher Murphy files initial Form 3

Rhea-AI Filing Summary

ANAPTYSBIO, INC executive Christopher M. Murphy, the company’s Chief Financial Officer, has filed an initial Form 3 reporting his beneficial ownership status. In this filing, he does not report any transactions or existing holdings, indicating no reportable equity position or activity at the time of this statement.

Key Terms

Form 3, Chief Financial Officer, beneficial ownership

3 terms

Form 3 regulatory

"Please analyze the following financial content according to the instructions above. Form 3"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

Chief Financial Officer financial

"officer_title": "Chief Financial Officer""

A Chief Financial Officer (CFO) is the person in charge of a company's money and financial planning. They decide how to spend, save, and invest funds to help the company grow and stay stable. Their role is important because good financial decisions keep the company healthy and successful.

beneficial ownership financial

"initial Form 3 reporting his beneficial ownership status"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/13/2026 - 05:48 PM Learn about SEC filing dates

FAQ

What does Christopher M. Murphy’s Form 3 filing for ANAB show?

The Form 3 for ANAPTYSBIO, INC shows Christopher M. Murphy, Chief Financial Officer, reporting his initial beneficial ownership. In this filing, he lists no transactions or share holdings, indicating no reportable equity position at the time of the report.

Who is the insider in the ANAPTYSBIO (ANAB) Form 3 filing?

The insider is Christopher M. Murphy, serving as Chief Financial Officer of ANAPTYSBIO, INC. The Form 3 establishes him as a reporting person for SEC purposes, even though he reports no current transactions or holdings in this particular filing.

Does the ANAB Form 3 show any share purchases or sales by Christopher M. Murphy?

No, the Form 3 reports zero buy, sell, or other transaction counts for Christopher M. Murphy. It is purely an initial ownership statement, with no reported trading activity or derivative exercises included in the disclosed data.

Does Christopher M. Murphy report any ANAPTYSBIO share holdings on this Form 3?

No, the filing shows no reportable holdings for Christopher M. Murphy, with holding entries and derivative positions both at zero. This indicates he had no SEC-reportable equity stake in ANAPTYSBIO at the time of this initial statement.

What is the purpose of Christopher M. Murphy’s Form 3 for ANAB?

The purpose of the Form 3 is to record Christopher M. Murphy as an insider—specifically Chief Financial Officer—subject to SEC reporting rules. It establishes his reporting status even though no securities ownership or transactions are disclosed yet.

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^*

Murphy Christopher M.

(Last) (First) (Middle)

10770 WATERIDGE CIRCLE, SUITE 210

(Street)

SAN DIEGO CALIFORNIA 92121

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
05/11/2026

3. Issuer Name and Ticker or Trading Symbol
ANAPTYSBIO, INC [ ANAB ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

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)

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:

No securities are beneficially owned.

	/s/ Dan Faga, Attorney-in-fact	05/13/2026
	** 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.
* Form 3: SEC 1473 (03-26)