Apogee Therapeutics (APGE) CFO sells 2,000 shares in planned trade

Rhea-AI Filing Summary

Apogee Therapeutics’ Chief Financial Officer Jane Henderson reported an open‑market sale of 2,000 shares of common stock at $85.00 per share. The transaction took place on March 25, 2026. After this sale, she directly holds 179,371 shares of Apogee common stock.

According to a footnote, this transaction was executed under a pre‑arranged Rule 10b5‑1 trading plan adopted on September 2, 2025. Such plans allow insiders to sell shares according to a preset schedule, reducing the role of day‑to‑day discretion in timing.

Insider Trade Summary 10b5-1

Net Seller: 2,000 shares ($170,000)

Net Sell 1 txn

Insider Henderson Jane

Role Chief Financial Officer

Sold 2,000 shs ($170K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,000	$85.00	$170K

Holdings After Transaction: Common Stock — 179,371 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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).

X

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^*

Henderson Jane

(Last) (First) (Middle)

C/O APOGEE THERAPEUTICS, INC.

221 CRESCENT ST., BLDG. 17, STE. 102B

(Street)

WALTHAM MASSACHUSETTS 02453

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Apogee Therapeutics, Inc. [ APGE ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/25/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/25/2026		S(1)		2,000	D	$85	179,371	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 transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on September 2, 2025.

	/s/ Matthew Batters, as attorney-in-fact for Jane Pritchett Henderson	03/27/2026
	** 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)

FAQ

What insider transaction did Apogee Therapeutics (APGE) report for its CFO?

Apogee Therapeutics’ CFO Jane Henderson reported selling 2,000 shares of common stock. The open‑market sale occurred at $85.00 per share, and she continues to hold 179,371 shares directly after the transaction, according to the Form 4 disclosure.

At what price did the Apogee Therapeutics (APGE) CFO sell shares?

Jane Henderson sold 2,000 Apogee Therapeutics common shares at $85.00 per share. This price reflects the execution level for the reported open‑market trade on March 25, 2026, as disclosed in the insider transaction filing.

How many Apogee Therapeutics (APGE) shares does the CFO still own after the sale?

Following the reported sale, Jane Henderson directly owns 179,371 Apogee Therapeutics common shares. This post‑transaction holding amount is listed in the Form 4 and represents her remaining direct ownership stake after selling 2,000 shares.

Was the Apogee Therapeutics (APGE) CFO’s sale under a Rule 10b5-1 plan?

Yes. The filing states the transaction was executed under a Rule 10b5‑1 trading plan adopted on September 2, 2025. Such plans pre‑schedule trades, helping separate routine diversification from discretionary market‑timing decisions by insiders.

What type of transaction did the Apogee Therapeutics (APGE) CFO execute?

The CFO executed an open‑market sale of common stock, coded as “S” in the Form 4. This indicates a standard sale transaction rather than an option exercise, tax withholding, gift, or other non‑market transfer type.