CHICAGO, IL
| Filer | Form | Target | Filed | Activity | |
|---|---|---|---|---|---|
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | May 13, 2026 May 13, 2026 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Feb 12, 2026 Feb 12, 2026 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Nov 12, 2025 Nov 12, 2025 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Aug 14, 2025 Aug 14, 2025 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | May 14, 2025 May 14, 2025 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Feb 14, 2025 Feb 14, 2025 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Nov 14, 2024 Nov 14, 2024 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Aug 14, 2024 Aug 14, 2024 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | May 10, 2024 May 10, 2024 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Feb 14, 2024 Feb 14, 2024 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Nov 9, 2023 Nov 9, 2023 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Aug 9, 2023 Aug 9, 2023 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | May 12, 2023 May 12, 2023 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Feb 9, 2023 Feb 9, 2023 | — | |
GROUP ONE TRADING LLCCIK · 932540 | 13F-HR Holdings | — | Nov 9, 2022 Nov 9, 2022 | — |