How many AnaptysBio-related units does Susannah Gray hold after this Form 4 transaction?

After this reported transaction, Susannah Gray holds 11,250 restricted stock units. These units may convert into the same number of AnaptysBio common shares in the future, subject to the stated vesting schedule and her continued service to the company on each vesting date.

Director Susannah Gray receives 11,250 RSUs at AnaptysBio (ANAB)

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

GRAY SUSANNAH reported acquisition or exercise transactions in this Form 4 filing.

AnaptysBio director Susannah Gray received a grant of 11,250 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of AnaptysBio common stock for no cash consideration upon settlement.

One third of the RSUs vest on April 27, 2027, with the remaining units vesting in equal annual installments, as long as Gray continues providing services to the company on each vesting date.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider GRAY SUSANNAH

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	11,250	$0.00	--

Holdings After Transaction: Restricted Stock Unit — 11,250 shares (Direct, null)

Footnotes (1)

Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration. 1/3 of the RSUs shall vest on April 27, 2027 and 1/3 of the RSUs shall vest in equal annual installments until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Key Figures

RSUs granted: 11,250 units RSU-to-share ratio: 1 share per RSU Initial vesting portion: 1/3 of RSUs +1 more

4 metrics

RSUs granted 11,250 units Restricted stock units granted to director Susannah Gray

RSU-to-share ratio 1 share per RSU Each RSU converts into one share of common stock

Initial vesting portion 1/3 of RSUs Vests on April 27, 2027, subject to continued service

Holdings after grant 11,250 RSUs Total restricted stock units held following this transaction

Key Terms

Restricted Stock Unit, RSU, contingent right, vest

4 terms

Restricted Stock Unit financial

"security_title: "Restricted Stock Unit""

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

RSU financial

"Each restricted stock unit ("RSU") represents a contingent right"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

contingent right financial

"represents a contingent right to receive 1 share"

vest financial

"1/3 of the RSUs shall vest on April 27, 2027"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

Form 4 Insider Transactions: What Each Field Means →

04/29/2026 - 04:05 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GRAY SUSANNAH

(Last)

(First)

(Middle)

10770 WATERIDGE CIRCLE, SUITE 210

(Street)

SAN DIEGO

CALIFORNIA

92121

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/27/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit	⁽¹⁾	04/27/2026		A		11,250		⁽²⁾	⁽²⁾	Common Stock	11,250	$0	11,250	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

2. 1/3 of the RSUs shall vest on April 27, 2027 and 1/3 of the RSUs shall vest in equal annual installments until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

	/s/ Dan Faga, Attorney-in-Fact	04/29/2026
	** 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 4 (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 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did AnaptysBio (ANAB) report for director Susannah Gray?

AnaptysBio reported that director Susannah Gray received a grant of 11,250 restricted stock units. These RSUs are part of her equity compensation and give her the right to receive common shares in the future if vesting conditions tied to continued service are met.

How many restricted stock units did Susannah Gray receive at AnaptysBio (ANAB)?

Susannah Gray was granted 11,250 restricted stock units. Each RSU corresponds to one share of AnaptysBio common stock upon settlement. This grant increases her equity-based compensation and aligns her interests with shareholders through future share ownership, subject to vesting requirements.

What is the vesting schedule for Susannah Gray’s 11,250 RSUs at AnaptysBio (ANAB)?

One third of Susannah Gray’s RSUs will vest on April 27, 2027. The remaining RSUs vest in equal annual installments thereafter. Vesting is conditioned on her continued service to AnaptysBio on each vesting date, linking long-term incentives to ongoing board participation.

Does Susannah Gray pay anything to receive the RSUs from AnaptysBio (ANAB)?

No, Susannah Gray does not pay cash to receive these RSUs. Each restricted stock unit represents a contingent right to receive one share of common stock for no consideration upon settlement, provided the vesting and continued service conditions are satisfied over time.