Form 4 for MIAX MIAMI INTERNATIONAL HOLDINGS, INC.
Accepted 2026-04-01 16:42:43 ET · period of report 2026-03-30 · accession 0002080477-26-000004 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | 2026-04-01 16:42 | 2026-03-30 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | F - Tax | $37.50 | -20.9K | 1.83M | -1% | -$782.8K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-30 | F | D | 20,875 | $37.50 | 1,827,399 | I By Gallagher Investments, LLC | — | — | (F1) Represents shares that have been surrendered to the Company to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock awards and does not represent a sale by the reporting person. (F2) Mr. Gallagher maintains beneficial ownership, including dispositive and voting control, over Gallagher Investments, LLC. (F2) Mr. Gallagher maintains beneficial ownership, including dispositive and voting control, over Gallagher Investments, LLC. |