Apellis Pharmaceuticals (APLS) CMO sells 3,020 shares for taxes

Rhea-AI Filing Summary

Apellis Pharmaceuticals Chief Medical Officer Caroline Baumal reported a sale of common stock. On January 5, 2026, she sold 3,020 shares of Apellis Pharmaceuticals, Inc. common stock at a price of $25.5287 per share. According to the disclosure, these shares were sold to cover tax withholding obligations arising from Restricted Stock Units that were released on January 3, 2026, rather than as a discretionary open-market sale. Following this transaction, Baumal beneficially owns 91,206 shares of common stock directly, which includes 925 shares acquired through an employee stock purchase plan on October 31, 2025.

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

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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^*

Baumal Caroline

(Last) (First) (Middle)

C/O APELLIS PHARMACEUTICALS, INC.

100 FIFTH AVENUE, 3RD FLOOR

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Apellis Pharmaceuticals, Inc. [ APLS ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026

4. 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 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/05/2026		S(1)		3,020	D	$25.5287	91,206(2)	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This represents shares sold to cover tax withholding on the Restricted Stock Units released on January 3, 2026.

2. This includes 925 shares from October 31, 2025 ESPP purchase.

	/s/ David Watson, attorney-in-fact for Caroline Baumal	01/06/2026
	** 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).
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FAQ

What insider transaction did Apellis Pharmaceuticals (APLS) report?

The filing reports that Chief Medical Officer Caroline Baumal sold 3,020 shares of Apellis Pharmaceuticals, Inc. common stock on January 5, 2026.

At what price were the Apellis (APLS) shares sold in this Form 4?

The 3,020 shares of Apellis Pharmaceuticals common stock were sold at a price of $25.5287 per share.

Why did Apellis CMO Caroline Baumal sell 3,020 shares?

The filing explains that the 3,020 shares were sold to cover tax withholding on Restricted Stock Units that were released on January 3, 2026.

How many Apellis (APLS) shares does Caroline Baumal own after the sale?

After the reported transaction, Caroline Baumal beneficially owns 91,206 shares of Apellis Pharmaceuticals common stock directly.

Does the Apellis insider holding include employee stock purchase plan shares?

Yes. The reported 91,206 shares beneficially owned by Caroline Baumal include 925 shares from an October 31, 2025 employee stock purchase plan purchase.

What is Caroline Baumal’s role at Apellis Pharmaceuticals (APLS)?

Caroline Baumal is reported as an officer of Apellis Pharmaceuticals, Inc., serving as its Chief Medical Officer.