[Form 4] Apogee Therapeutics, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Apogee Therapeutics (APGE) reported insider activity by its Chief Medical Officer on 11/05/2025. The officer exercised 8,060 stock options at $22.86 and sold common shares in multiple open‑market transactions: 2,300 at $53.62, 2,200 at $54.83, 5,607 at $55.58, and 678 at $56.51.

Following these trades, the officer directly owned 282,008 common shares and held 153,565 derivative securities (options). The filing notes the sales were executed under a Rule 10b5‑1 trading plan adopted on August 21, 2024, with several prices reported as weighted averages across multiple executions.

Insider Trade Summary

Net Seller: 10,785 shares ($593,903)

Net Sell 6 txns

Insider Dambkowski Carl

Role Chief Medical Officer

Sold 10,785 shs ($594K)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	8,060	$0.00	--
Exercise	Common Stock	8,060	$22.86	$184K
Sale	Common Stock	2,300	$53.62	$123K
Sale	Common Stock	2,200	$54.83	$121K
Sale	Common Stock	5,607	$55.58	$312K
Sale	Common Stock	678	$56.51	$38K

Holdings After Transaction: Stock Option (Right to Buy) — 153,565 shares (Direct); Common Stock — 292,793 shares (Direct)

Footnotes (1)

1. This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 21, 2024. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.16 to $53.97, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.24 to $55.20, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $55.25 to $56.15, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $56.31 to $56.68, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range. This option represents the right to purchase 175,345 shares of the Issuer's common stock, which will vest in forty-eight equal monthly installments through December 18, 2027, subject to the Reporting Person's continued service to the Issuer.

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^*

Dambkowski Carl

(Last) (First) (Middle)

C/O APOGEE THERAPEUTICS, INC.

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

(Street)

WALTHAM MA 02453

(City) (State) (Zip)

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 Medical Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2025

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	11/05/2025		M		8,060	A	$22.86	292,793	D
Common Stock	11/05/2025		S(1)		2,300	D	$53.62(2)	290,493	D
Common Stock	11/05/2025		S(1)		2,200	D	$54.83(3)	288,293	D
Common Stock	11/05/2025		S(1)		5,607	D	$55.58(4)	282,686	D
Common Stock	11/05/2025		S(1)		678	D	$56.51(5)	282,008	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
Stock Option (Right to Buy)	$22.86	11/05/2025		M			8,060	(6)	12/18/2033	Common Stock	8,060	$0.00	153,565	D

Explanation of Responses:

1. This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on August 21, 2024.

2. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.16 to $53.97, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range.

3. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.24 to $55.20, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

4. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $55.25 to $56.15, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

5. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $56.31 to $56.68, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

6. This option represents the right to purchase 175,345 shares of the Issuer's common stock, which will vest in forty-eight equal monthly installments through December 18, 2027, subject to the Reporting Person's continued service to the Issuer.

	/s/ Matthew Batters, as attorney-in-fact for Carl Dambkowski	11/07/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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