Apogee CFO sells 2,000 shares under 10b5-1 plan

Apogee Therapeutics, Inc. Chief Financial Officer Jane Henderson reported routine open-market stock sales under a pre-arranged Rule 10b5-1 trading plan.

Rhea-AI Filing Summary

Apogee Therapeutics, Inc. Chief Financial Officer Jane Henderson reported routine open-market stock sales under a pre-arranged Rule 10b5-1 trading plan. On April 1, 2026, she sold 900 shares of common stock at a weighted average price of $84.46 and 1,100 shares at a weighted average price of $85.46, across multiple trades within disclosed price ranges. After these sales, she held 177,371 shares of common stock directly.

Insider Trade Summary 10b5-1

Net Seller: 2,000 shares

Net Sell 2 txns

Insider Henderson Jane

Role Chief Financial Officer

Sold 2,000 shs ($170K)

Type	Security	Shares	Price	Value
Sale	Common Stock	900	$84.46	$76K
Sale	Common Stock	1,100	$85.46	$94K

Holdings After Transaction: Common Stock — 177,371 shares (Direct)

Footnotes (3)

1. F1. This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on September 2, 2025.
2. F2. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $84.15 to $85.05, 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 ("SEC"), upon request, full information regarding the number of shares sold at each separate price within the range.
3. F3. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.17 to $85.79, 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.

Key Figures

Shares sold: 2,000 shares First sale average price: $84.46 per share Second sale average price: $85.46 per share +2 more

5 metrics

Shares sold 2,000 shares Total common stock sold on April 1, 2026

First sale average price $84.46 per share Weighted average for 900 shares sold

Second sale average price $85.46 per share Weighted average for 1,100 shares sold

Post-transaction holdings 177,371 shares Common stock held directly after sales

Transactions under 10b5-1 plan Plan adopted September 2, 2025 Covers the reported April 1, 2026 sales

Key Terms

Rule 10b5-1 trading plan, weighted average price, open-market sale, Common Stock

4 terms

Rule 10b5-1 trading plan regulatory

"This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on September 2, 2025."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The price reported above is a weighted average price. The shares were sold in multiple transactions..."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

Apogee Therapeutics reported that CFO Jane Henderson sold 2,000 shares of common stock in open-market transactions. The sales occurred on April 1, 2026 under a pre-arranged Rule 10b5-1 trading plan, and she retained 177,371 shares directly after the transactions.

How many Apogee Therapeutics (APGE) shares did the CFO sell and at what prices?

Jane Henderson sold 900 Apogee Therapeutics shares at a weighted average price of $84.46 and 1,100 shares at a weighted average price of $85.46. Footnotes state these were executed in multiple trades within price ranges between $84.15 and $85.79 per share.

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

Yes. The filing specifies the transactions were executed pursuant to a Rule 10b5-1 trading plan adopted on September 2, 2025. Such plans pre-schedule trades, indicating the sales were planned in advance rather than timed in response to short-term market developments.

How many Apogee Therapeutics (APGE) shares does the CFO hold after the reported sale?

Following the April 1, 2026 transactions, CFO Jane Henderson directly held 177,371 shares of Apogee Therapeutics common stock. This figure reflects her position after selling a total of 2,000 shares in the disclosed open-market transactions under her Rule 10b5-1 trading plan.

What do the weighted average prices mean in the Apogee Therapeutics (APGE) Form 4 filing?

The reported prices of $84.46 and $85.46 are weighted averages of multiple individual trades. The filing notes sales occurred in ranges from $84.15 to $85.05 and $85.17 to $85.79, and offers to provide full trade-by-trade detail to the issuer, shareholders, or SEC staff upon request.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 04/03/2026 - 08:00 PM EDT Learn about SEC filing dates

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)
04/01/2026

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	04/01/2026		S(1)		900	D	$84.46(2)	178,471	D
Common Stock	04/01/2026		S(1)		1,100	D	$85.46(3)	177,371	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.

2. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $84.15 to $85.05, 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 ("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 $85.17 to $85.79, 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.

	/s/ Matthew Batters, as attorney-in-fact for Jane Pritchett Henderson	04/03/2026
	** 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)