Frank Thomas AJ — SEC Form 4 filings
SEC reporting owner CIK 1391401. 16 Form 4 filings on record with FilingPulse; latest filed 2026-05-28.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2024-01-09 to 2026-05-28. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 48 legs across 11 filings — 539,879 shares, $49,183,914 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 5.
- Largest priced transaction: sale of 46,001 shares @ $90.57 ($4,166,311) in Interactive Brokers Group, Inc., filed 2024-01-30.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Interactive Brokers Group, Inc. (IBKR) | Executive Vice President | 16 | — | 48 legs · 539,879 sh · $49,183,914 | 5 |
Form 4 filings — Frank Thomas AJ
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-28 | 4 | Interactive Brokers Group, Inc. (IBKR) | Tax withholding (F): 31,730 @ $84.42 | EDGAR |
| 2026-01-07 | 4 | Interactive Brokers Group, Inc. (IBKR) | Grant/award (A): 13,944 @ $0 | EDGAR |
| 2025-06-03 | 4 | Interactive Brokers Group, Inc. (IBKR) | Tax withholding (F): 8,212 @ $185.60 | EDGAR |
| 2025-01-07 | 4 | Interactive Brokers Group, Inc. (IBKR) | Grant/award (A): 6,709 @ $0 | EDGAR |
| 2024-05-24 | 4 | Interactive Brokers Group, Inc. (IBKR) | Tax withholding (F): 8,127 @ $119.13 | EDGAR |
| 2024-02-07 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 34,345 @ $95.60 · Sale (S): 1,922 @ $96.42 · Sale (S): 2,672 @ $94.13 · Sale (S): 995 @ $94.91 | EDGAR |
| 2024-02-05 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 36,883 @ $90.64 · Sale (S): 229 @ $91.94 · Sale (S): 765 @ $92.87 · Sale (S): 536 @ $94.02 · Sale (S): 765 @ $95.08 · Sale (S): 29,704 @ $96.18 · +1 more | EDGAR |
| 2024-02-01 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 6,987 @ $90.07 · Sale (S): 1,621 @ $90.66 | EDGAR |
| 2024-01-30 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 30,888 @ $91.08 · Sale (S): 18,193 @ $91.69 · Sale (S): 46,001 @ $90.57 · Sale (S): 708 @ $91.49 | EDGAR |
| 2024-01-26 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 29,200 @ $91.53 · Sale (S): 15,443 @ $91.80 · Sale (S): 41,537 @ $90.69 · Sale (S): 6,779 @ $91.37 | EDGAR |
| 2024-01-24 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 37,132 @ $90.33 · Sale (S): 13,168 @ $91.09 · Sale (S): 36,637 @ $91.55 · Sale (S): 9,991 @ $92.26 | EDGAR |
| 2024-01-22 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 12,917 @ $88.68 · Sale (S): 1,626 @ $89.12 · Sale (S): 90 @ $89.60 | EDGAR |
| 2024-01-18 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 9,043 @ $87.45 · Sale (S): 4,146 @ $88.01 · Sale (S): 90 @ $85 · Sale (S): 90 @ $86.19 · Sale (S): 181 @ $87.32 · Sale (S): 1,445 @ $88.58 · +2 more | EDGAR |
| 2024-01-16 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 10,117 @ $87.54 · Sale (S): 3,071 @ $88.35 · Sale (S): 13,007 @ $88.30 | EDGAR |
| 2024-01-11 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 12,827 @ $87.39 · Sale (S): 361 @ $88.26 · Sale (S): 12,827 @ $86.95 | EDGAR |
| 2024-01-09 | 4 | Interactive Brokers Group, Inc. (IBKR) | Sale (S): 10,930 @ $87.67 · Sale (S): 1,264 @ $88.57 · Sale (S): 633 @ $89.31 · Sale (S): 5,690 @ $86.45 · Sale (S): 7,227 @ $87.33 · Sale (S): 271 @ $87.95 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-09 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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