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IBKR Net selling
CIK 0001381197 #255 in the set updated 17 Sep 2026
Bought (120 mo)
$199.64K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$1.35B
$242.55M on a plan · $0.00 straight out of an exercise
Sold at will
$1.11B
1962 of 2235 sales
Net
−$1.35B
−$1.11B against sales at will

By person

15 insiders · 2,250 transactions
515×

Milan Galik holds 515 times base salary in stock. $303.95M of shares against $590.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Milan Galik last reported holding, valued at $94.53, the price Class A common stock was last bought or sold at on the open market here, on 1 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Peterffy Thomas
Chairman
$632.48M (1017)
−$632.48M
1,516,182
$143.32M
Frank Thomas AJ
Executive Vice President
$436.19M (654)
−$436.19M
1,066,976
$100.86M
−55.5%
Brody Paul Jonathan
Chief Financial Officer
$136.87M (400) scheduled
−$136.87M
2,863,734
$270.71M
+4.2%
Nemser Earl H
Vice Chairman
$133.39M (150)
−$133.39M
1,232,912
$116.55M
+61.0%
Uhde Philip
Director
$8.97M (5)
−$8.97M
4,224
$399.29K
−99.8%
Harris Lawrence E
Director
$5.77M (6)
−$5.77M
173,482
$16.40M
−31.3%
Mendonca Denis
Chief Accounting Officer
$701.55K (2)
−$701.55K
145,071
$13.71M
+27.1%
Galik Milan
Chief Executive Officer
$125.64K (5)
$34.52 (1)
+$125.61K
3,215,389
$303.95M
−16.3%
Bright Jill
Director
$56.01K (2)
+$56.01K
11,082
$1.05M
+38.0%
Conkling Lori A
Director
$17.98K (8)
+$17.98K
2,559
$241.90K
Peterffy William
Director
10,126
$957.21K
+44.4%
Yuen Nicole
Director
10,126
$957.21K
+44.4%
Repetto Richard H
Director
3,046
$287.94K
+79.1%
Damgard John M.
Director
2,188
$206.83K
+337.6%
Katz Gary
Director
1,928
$182.25K

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Insider
Date
Role
Action
Shares
Price
Amount
Harris Lawrence E
28 Apr 2026
Director
Sell
26,000
$76.93
$2.00M
Nemser Earl H
27 Jan 2026
Vice Chairman
Sell indirect
20,469
$75.75
$1.55M
Nemser Earl H
27 Jan 2026
Vice Chairman
Sell indirect
39,731
$75.07
$2.98M
Nemser Earl H
26 Jan 2026
Vice Chairman
Sell indirect
3,101
$77.98
$241.82K
Nemser Earl H
26 Jan 2026
Vice Chairman
Sell indirect
30,817
$76.72
$2.36M
Nemser Earl H
26 Jan 2026
Vice Chairman
Sell indirect
60,882
$75.83
$4.62M
Nemser Earl H
23 Jan 2026
Vice Chairman
Sell indirect
60,065
$78.14
$4.69M
Nemser Earl H
23 Jan 2026
Vice Chairman
Sell indirect
84,935
$77.65
$6.60M
Nemser Earl H
22 Jan 2026
Vice Chairman
Sell indirect
100,000
$76.81
$7.68M
Harris Lawrence E
29 Oct 2025
Director
Sell
10,645
$69.00
$734.51K
Harris Lawrence E
28 Oct 2025
Director
Sell
6,855
$69.15
$474.02K
Harris Lawrence E
27 Oct 2025
Director
Sell
7,500
$69.73
$522.98K
Harris Lawrence E
24 Oct 2025
Director
Sell
8,000
$68.50
$548.00K
Harris Lawrence E
23 Oct 2025
Director
Sell
22,000
$67.63
$1.49M
Nemser Earl H
28 Jul 2025
Vice Chairman
Sell indirect
100
$65.90
$6.59K
Showing 250 of 2,250 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 783
Amendments (4/A) skipped 11
Filings about a different issuer 0
Unreadable filings 0
Joint filings 1
Sales on a Rule 10b5-1 plan 273
Sales straight out of an exercise 0
Sales at will 1,962
Transactions with no price 0
Shares from compensation/vesting 28,801,076
Sales filed before the plan box existed 1,943
History held since 4 Jan 2017