Insider trade

CFO sold ~$448K of IBKR shares in the open market

Traded Sep 19, 2025 · Filed Oct 3, 2025

Interactive BrokersIBKR

~$448K
Reported value · 6,928 sh @ $64.66: 101K
Holds after · shares reported: +31.9%
stock since the trade · S&P 500 +15.1%, $65.03 → $85.81 on Oct 1

Why it stands out

The money chief of Interactive Brokers sold $448K of Interactive Brokers shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Sep 19, 2025
Reporting period: Not applicable
Filed with the SEC: Oct 3, 2025

CFOIndirect holding$100K–$500K

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$447,964

Shares × reported transaction price

Timing vs results

64 days after results of Jul 17, 2025, 27 days before results of Oct 16, 2025

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $65.03 on Sep 19, 2025, within 4% of its 52-week high, after a 1% rise over the previous 30 trading days

52-week range $35.655 (Oct 2, 2024) to $67.63 (Aug 12, 2025), 92% of the way up, from 242 adjusted closes. 30 trading days earlier: $64.25 on Aug 7, 2025. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+1.3%	-1.3%	+2.6%
30 days	+2.9%	+0.9%	+2.0%
90 days	+2.8%	+2.4%	+0.4%
180 days	-1.4%	-1.9%	+0.5%

Past results only. Not a forecast.

Source receipt

Record ID: 0001381197-25-000139
Filed / recorded: Oct 3, 2025, 8:05 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: Interactive Brokers Group, Inc.
Issuer CIK: 1381197
Ticker: IBKR
Reporting person: Paul Jonathan Brody
Relationship: Director, Officer
Officer title: Chief Financial Officer
Security: Class A common stock
Table: Non-derivative (Table I)
Transaction date: Sep 19, 2025
Transaction code: S
Shares / units: 6,928
Price per share: $64.66
Acquired / disposed: Disposed (D)
Shares owned after: 101,473
Ownership form: Indirect — by PJB Holdings LLC
Amendment: Yes (Form 4/A)

Footnotes from the filing

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.32 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 footnote (2) to this Form 4.
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.

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