Interactive Brokers CFO sells 65,895 shares via LLC

Rhea-AI Filing Summary

Interactive Brokers Group, Inc.’s Chief Financial Officer, Paul Jonathan Brody, through PJB Holdings LLC, reported selling a total of 65,895 shares of Class A common stock on September 19 and 22, 2025, in open-market or private transactions at weighted-average prices between $63.48 and $65.29 per share. After these sales, he holds 93,059 shares indirectly via PJB Holdings LLC and 2,885,496 shares directly, including vested and unvested restricted stock units awarded under the amended 2007 Stock Incentive Plan.

Insights

Financial Analyst

TL;DR: CFO executed planned sales under a 10b5-1 program, trimming direct/indirect holdings while retaining significant equity tied to RSUs.

The Form 4 discloses systematic disposals across two dates with weighted-average prices in the low-$60s, consistent with sales under an established 10b5-1 trading plan as indicated on the form. The reporting lines show remaining beneficial ownership both directly/indirectly and a large position tied to vested and unvested restricted stock units totaling 2,885,496 shares, which keeps substantial economic exposure aligned with management. For investors, these sales appear procedural rather than ad hoc given the 10b5-1 disclosure, but they do reduce the reporting person’s immediately available Class A shares.

Corporate Governance Expert

TL;DR: Insider complied with disclosure rules and used a 10b5-1 plan; sales are material in size but governance processes appear followed.

The Form 4 includes clear identification of the reporting person as CFO and director and documents multiple dispositions executed at weighted-average prices. The checked 10b5-1 box and the explanatory footnotes describing price ranges and the origin of shares from a partial redemption and RSU awards demonstrate procedural transparency. From a governance perspective, the filing shows adherence to insider-trading plan protocols and full explanation of share provenance, which supports compliance but also documents meaningful share reductions in the reporting entity’s indirect holdings.

Insider Trade Summary

Net Seller: 65,895 shares

Net Sell 5 txns

Insider Brody Paul Jonathan

Role Chief Financial Officer

Sold 65,895 shs ($4.25M)

Type	Security	Shares	Price	Value
Sale	Class A common stock	14,639	$63.94	$936K
Sale	Class A common stock	563	$64.61	$36K
Sale	Class A common stock	50,553	$64.61	$3.27M
Sale	Class A common stock	140	$65.19	$9K
holding	Class A common stock	--	--	--

Holdings After Transaction: Class A common stock — 93,059 shares (Indirect, by PJB Holdings LLC); Class A common stock — 2,885,496 shares (Direct)

Footnotes (6)

1. F1. Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.16 to $65.15. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (5) to this Form 4.
3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.16 to $65.29.
4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.48 to $64.47.
5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.48 to $64.73.
6. F6. This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan") and (b) unvested restricted stock units that were awarded under the Plan.

Key Figures

Shares sold: 65,895 shares Sale price example: $63.94 per share Sale price example: $64.61 per share +4 more

7 metrics

Shares sold 65,895 shares Total Class A common stock sold on September 19 and 22, 2025

Sale price example $63.94 per share Weighted-average price for a portion of shares sold on September 22, 2025

Sale price example $64.61 per share Weighted-average price for portions of shares sold on September 19 and 22, 2025

Highest price range $65.16 to $65.29 per share Footnote range for some weighted-average sales prices

Lowest price range $63.48 to $64.47 per share Footnote range for other weighted-average sales prices

Indirect holdings after sale 93,059 shares Class A common stock held indirectly via PJB Holdings LLC after transactions

Direct holdings after sale 2,885,496 shares Direct Class A holdings including vested and unvested restricted stock units

Key Terms

weighted average price, restricted stock units, limited liability company, partial redemption, +1 more

5 terms

weighted average price financial

"The price reported in Column 4 is a weighted average price."

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.

restricted stock units financial

"This amount includes Class A common stock attributable to vested restricted stock units."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

limited liability company financial

"Represents number of securities acquired by a limited liability company."

A limited liability company (LLC) is a business structure that separates the owners’ personal assets from the company’s debts and legal obligations, like a protective shield that keeps personal savings and property distinct from business risk. For investors, that protection reduces personal financial exposure and often brings flexible rules for profit sharing and taxes, but it can also affect how easily interests are bought or sold and how decisions are made.

partial redemption financial

"acquired by a limited liability company in a partial redemption of its interest."

membership interest financial

"in exchange for membership interest in IBG LLC."

FAQ

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

How many IBKR shares did CFO Paul Jonathan Brody sell in this Form 4?

CFO Paul Jonathan Brody reported selling 65,895 shares of Interactive Brokers Group, Inc. (IBKR) Class A common stock. The sales occurred on September 19 and 22, 2025 through PJB Holdings LLC in open-market or private transactions at weighted-average prices in the mid‑$60s per share.

On what dates did the IBKR CFO’s reported share sales occur?

The reported sales by IBKR’s CFO occurred on September 19, 2025 and September 22, 2025. All transactions involved Class A common stock held indirectly through PJB Holdings LLC and were classified as open-market or private sales at weighted-average prices described in the Form 4 footnotes.

What prices were received for the IBKR shares sold by the CFO’s LLC?

The Form 4 reports weighted-average sale prices, including per-share amounts such as $63.94, $64.61, and $65.19. Footnotes state the shares were sold in multiple trades within ranges from $63.48 up to $65.29 per share across the September 19 and 22, 2025 transactions.

How many IBKR shares does the CFO still hold after these transactions?

After the reported sales, the CFO holds 93,059 IBKR Class A shares indirectly through PJB Holdings LLC and 2,885,496 shares directly. The direct holdings figure includes both vested and unvested restricted stock units awarded under the amended 2007 Stock Incentive Plan.

Were the IBKR CFO’s reported sales made directly or through an entity?

All reported sales of IBKR Class A shares were made indirectly through PJB Holdings LLC, a limited liability company associated with the CFO. The Form 4 classifies these positions as indirect ownership, while a separate holding entry shows his direct ownership of additional shares.

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

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Accepted by SEC EDGAR 09/23/2025 - 04:03 PM 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^*

Brody Paul Jonathan

(Last) (First) (Middle)

ONE PICKWICK PLAZA

(Street)

GREENWICH CT 06830

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Interactive Brokers Group, Inc. [ IBKR ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
09/19/2025

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
Class A common stock	09/19/2025		S		50,553	D	$64.61(2)	108,401(1)	I	by PJB Holdings LLC
Class A common stock	09/19/2025		S		140	D	$65.19(3)	108,261(1)	I	by PJB Holdings LLC
Class A common stock	09/22/2025		S		14,639	D	$63.94(4)	93,622(1)	I	by PJB Holdings LLC
Class A common stock	09/22/2025		S		563	D	$64.61(5)	93,059(1)	I	by PJB Holdings LLC
Class A common stock								2,885,496(6)	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. Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.16 to $65.15. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (5) to this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.16 to $65.29.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.48 to $64.47.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.48 to $64.73.

6. This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan") and (b) unvested restricted stock units that were awarded under the Plan.

	/s/ Raymond Bussiere as authorized signatory for Paul J. Brody	09/23/2025
	** 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.