MIAX MIAMI INTERNATIONAL HOLDINGS, INC.
NYSE · SEC CIK 1438472 · EDGAR
- Bought, last 12 months
- $1.04M 6 purchases by 2 insiders
- Sold, last 12 months
- $80.32M 61 sales by 12 insiders
- Filings on record
- 149 since 2025-08-15, latest 2026-09-17 16:43
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Gallagher Thomas P. | COB, CEO, Dir | — | $32.30M |
| Schafer Douglas M. JR | EVP, CIO | — | $12.35M |
| Comly Barbara J. | EVP, GC, Corp. Sec | — | $9.98M |
| HORIZON KINETICS ASSET MANAGEMENT LLC | — | $312.4K | $4.95M |
| Brown Shelly | EVP, Chief Strategy Off | — | $5.11M |
| Emmons Lance | EVP, CFO | — | $3.47M |
| Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | — | $2.93M |
| STAHL MURRAY | Dir, 10% | $722.7K | $2.19M |
| Jayabalan Harish | EVP, CRO, CISO | — | $2.56M |
| Eckert Kurt M. | Dir | — | $2.22M |
Transactions 206
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-17 16:43 | 2026-09-16 | MIAX | Brown Shelly | EVP, Chief Strategy Off | S - Sale | $38.61 | -21.2K | 316.5K | -6% | -$819.2K |
| 2026-09-11 16:23 | 2026-09-11 | MIAX | Brown Shelly | EVP, Chief Strategy Off | F - Tax | $42.54 | -16.3K | 337.7K | -5% | -$692.7K | |
| DTI | 2026-09-04 16:35 | 2026-09-03 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | M - OptEx | $12.00 | +47.0K | 1.47M | +3% | +$564.0K |
| DTI | 2026-09-04 16:35 | 2026-09-03 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | S - Sale+OE | $42.43 | -47.0K | 1.42M | -3% | -$1.99M |
| DMT | 2026-09-04 16:35 | 2026-09-03 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | M - OptEx | $14.08 | +42.6K | 786.5K | +6% | +$600.0K |
| DT | 2026-09-04 16:31 | 2026-09-02 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | M - OptEx | $12.00 | +44.4K | 884.0K | +5% | +$533.3K |
| DT | 2026-09-04 16:31 | 2026-09-02 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | S - Sale+OE | $40.49 | -44.4K | 839.6K | -5% | -$1.80M |
| DT | 2026-09-04 16:28 | 2026-09-03 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | M - OptEx | $12.00 | +11.0K | 130.6K | +9% | +$132.0K |
| DT | 2026-09-04 16:28 | 2026-09-03 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | S - Sale+OE | $42.21 | -11.0K | 119.6K | -8% | -$464.3K |
| DMT | 2026-09-04 16:25 | 2026-09-02 | MIAX | Schafer Douglas M. JR | EVP, CIO | M - OptEx | $12.00 | +48.0K | 435.4K | +12% | +$576.0K |
| DT | 2026-09-04 16:25 | 2026-09-02 | MIAX | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $40.48 | -48.0K | 387.4K | -11% | -$1.94M |
| TI | 2026-09-04 16:21 | 2026-09-02 | MIAX | Teekell Judson Gray | Dir | S - Sale | $41.58 | -5,545 | 81.0K | -6% | -$230.6K |
| T | 2026-09-04 16:21 | 2026-09-02 | MIAX | Teekell Judson Gray | Dir | S - Sale | $40.89 | -3,000 | 69.3K | -4% | -$122.7K |
| TI | 2026-08-20 16:12 | 2026-08-18 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | F - Tax | $42.41 | -150.3K | 1.57M | -9% | -$6.37M |
| TI | 2026-08-20 16:12 | 2026-08-19 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | S - Sale | $41.13 | -149.7K | 1.42M | -10% | -$6.16M |
| 2026-08-20 16:11 | 2026-08-18 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | F - Tax | $42.41 | -43.4K | 839.6K | -5% | -$1.84M | |
| DT | 2026-08-19 16:12 | 2026-08-17 | MIAX | Schwarzkopf Cynthia | Dir | M - OptEx | $12.00 | +5,000 | 93.5K | +6% | +$60.0K |
| DT | 2026-08-19 16:12 | 2026-08-17 | MIAX | Schwarzkopf Cynthia | Dir | S - Sale+OE | $42.85 | -5,000 | 88.5K | -5% | -$214.2K |
| T | 2026-08-19 16:10 | 2026-08-17 | MIAX | Emmons Lance | EVP, CFO | S - Sale | $42.83 | -35.0K | 86.5K | -29% | -$1.50M |
| DT | 2026-08-06 16:11 | 2026-08-04 | MIAX | Eckert Kurt M. | Dir | M - OptEx | $12.00 | +1,063 | 150.7K | +0.7% | +$12.8K |
| DT | 2026-08-06 16:11 | 2026-08-04 | MIAX | Eckert Kurt M. | Dir | S - Sale+OE | $45.80 | -1,063 | 149.6K | -0.7% | -$48.7K |
| T | 2026-08-06 16:10 | 2026-08-04 | MIAX | Teekell Judson Gray | Dir | S - Sale | $45.79 | -3,000 | 72.3K | -4% | -$137.4K |
| DMT | 2026-08-06 16:10 | 2026-08-04 | MIAX | Jayabalan Harish | EVP, CRO, CISO | M - OptEx | $12.94 | +20.0K | 98.1K | +26% | +$258.8K |
| DT | 2026-08-06 16:10 | 2026-08-04 | MIAX | Jayabalan Harish | EVP, CRO, CISO | S - Sale+OE | $45.90 | -20.0K | 78.1K | -20% | -$918.0K |
| DT | 2026-08-06 16:09 | 2026-08-04 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | M - OptEx | $12.00 | +44.4K | 927.4K | +5% | +$533.3K |
| DT | 2026-08-06 16:09 | 2026-08-04 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | S - Sale+OE | $45.69 | -44.4K | 883.0K | -5% | -$2.03M |
| DT | 2026-08-06 16:08 | 2026-08-04 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | M - OptEx | $12.00 | +11.0K | 130.6K | +9% | +$132.0K |
| DT | 2026-08-06 16:08 | 2026-08-04 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | S - Sale+OE | $45.78 | -11.0K | 119.6K | -8% | -$503.6K |
| DT | 2026-08-06 16:06 | 2026-08-04 | MIAX | Schafer Douglas M. JR | EVP, CIO | M - OptEx | $12.00 | +48.0K | 435.4K | +12% | +$576.0K |
| DT | 2026-08-06 16:06 | 2026-08-04 | MIAX | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $45.71 | -48.0K | 387.4K | -11% | -$2.19M |
| DTI | 2026-08-06 16:05 | 2026-08-04 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | M - OptEx | $12.00 | +48.3K | 1.77M | +3% | +$580.0K |
| DTI | 2026-08-06 16:05 | 2026-08-04 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | S - Sale+OE | $45.69 | -48.3K | 1.72M | -3% | -$2.21M |
| DT | 2026-07-16 16:15 | 2026-07-15 | MIAX | Schwarzkopf Cynthia | Dir | M - OptEx | $12.00 | +5,000 | 93.5K | +6% | +$60.0K |
| DT | 2026-07-16 16:15 | 2026-07-15 | MIAX | Schwarzkopf Cynthia | Dir | S - Sale+OE | $42.00 | -5,000 | 88.5K | -5% | -$210.0K |
| DT | 2026-07-14 16:07 | 2026-07-13 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | M - OptEx | $12.00 | +28.0K | 911.0K | +3% | +$336.0K |
| DT | 2026-07-14 16:07 | 2026-07-13 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | S - Sale+OE | $41.98 | -28.0K | 883.0K | -3% | -$1.18M |
| DTI | 2026-07-14 16:04 | 2026-07-13 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | M - OptEx | $12.00 | +70.0K | 1.79M | +4% | +$840.0K |
| DTI | 2026-07-14 16:04 | 2026-07-13 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | S - Sale+OE | $42.52 | -70.0K | 1.72M | -4% | -$2.98M |
| 2026-07-09 16:04 | 2026-07-08 | MIAX | BROWN DAVID A | Dir | F - Tax | $43.72 | -171 | 7,066 | -2% | -$7,476 | |
| DMTI | 2026-07-07 17:03 | 2026-07-06+ | MIAX | Gallagher Thomas P. | COB, CEO, Dir | M - OptEx | $12.00 | +70.0K | 1.75M | +4% | +$840.0K |
| DMTI | 2026-07-07 17:03 | 2026-07-06+ | MIAX | Gallagher Thomas P. | COB, CEO, Dir | S - Sale+OE | $42.16 | -70.0K | 1.72M | -4% | -$2.95M |
| DMT | 2026-07-07 16:14 | 2026-07-06 | MIAX | Jayabalan Harish | EVP, CRO, CISO | M - OptEx | $12.00 | +20.0K | 98.1K | +26% | +$240.0K |
| DT | 2026-07-07 16:14 | 2026-07-06 | MIAX | Jayabalan Harish | EVP, CRO, CISO | S - Sale+OE | $42.12 | -20.0K | 78.1K | -20% | -$842.4K |
| DMT | 2026-07-07 16:13 | 2026-07-06 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | M - OptEx | $12.00 | +11.0K | 130.6K | +9% | +$132.0K |
| DT | 2026-07-07 16:13 | 2026-07-06 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | S - Sale+OE | $42.04 | -11.0K | 119.6K | -8% | -$462.4K |
| DT | 2026-07-07 16:10 | 2026-07-06 | MIAX | Brown Shelly | EVP, Chief Strategy Off | M - OptEx | $12.00 | +16.0K | 370.0K | +5% | +$192.0K |
| DT | 2026-07-07 16:10 | 2026-07-06 | MIAX | Brown Shelly | EVP, Chief Strategy Off | S - Sale+OE | $42.13 | -16.0K | 354.0K | -4% | -$674.1K |
| T | 2026-07-07 16:09 | 2026-07-02 | MIAX | Teekell Judson Gray | Dir | S - Sale | $40.00 | -3,000 | 75.3K | -4% | -$120.0K |
| DT | 2026-07-07 16:08 | 2026-07-02 | MIAX | Eckert Kurt M. | Dir | M - OptEx | $12.00 | +5,250 | 154.9K | +4% | +$63.0K |
| DT | 2026-07-07 16:08 | 2026-07-02 | MIAX | Eckert Kurt M. | Dir | S - Sale+OE | $39.35 | -5,250 | 149.6K | -3% | -$206.6K |
| DT | 2026-07-07 16:06 | 2026-07-02 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | M - OptEx | $12.00 | +28.0K | 911.0K | +3% | +$336.0K |
| DT | 2026-07-07 16:06 | 2026-07-02 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | S - Sale+OE | $41.22 | -28.0K | 883.0K | -3% | -$1.15M |
| DMT | 2026-07-07 16:06 | 2026-07-02 | MIAX | Schafer Douglas M. JR | EVP, CIO | M - OptEx | $12.00 | +48.0K | 435.4K | +12% | +$576.0K |
| DT | 2026-07-07 16:06 | 2026-07-02 | MIAX | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $41.22 | -48.0K | 387.4K | -11% | -$1.98M |
| D | 2026-06-18 16:39 | 2026-06-16 | MIAX | Vermaas Cees | CEO of TISEG | A - Grant | $0.00 | +4,660 | 4,660 | New | $0 |
| D | 2026-06-18 16:31 | 2026-06-16 | MIAX | Jayabalan Harish | EVP, CRO, CISO | A - Grant | $0.00 | +4,660 | 78.1K | +6% | $0 |
| D | 2026-06-18 16:29 | 2026-06-16 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | A - Grant | $0.00 | +9,319 | 119.6K | +8% | $0 |
| D | 2026-06-18 16:26 | 2026-06-16 | MIAX | Smollen John | EVP, New Product Development | A - Grant | $0.00 | +7,455 | 178.2K | +4% | $0 |
| D | 2026-06-18 16:24 | 2026-06-16 | MIAX | Schafer Douglas M. JR | EVP, CIO | A - Grant | $0.00 | +23.3K | 387.4K | +6% | $0 |
| D | 2026-06-18 16:21 | 2026-06-16 | MIAX | Emmons Lance | EVP, CFO | A - Grant | $0.00 | +37.3K | 121.5K | +44% | $0 |
| D | 2026-06-18 16:17 | 2026-06-16 | MIAX | Brown Shelly | EVP, Chief Strategy Off | A - Grant | $0.00 | +37.3K | 354.0K | +12% | $0 |
| D | 2026-06-18 16:16 | 2026-06-16 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | A - Grant | $0.00 | +39.1K | 883.0K | +5% | $0 |
| D | 2026-06-18 16:13 | 2026-06-16 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | A - Grant | $0.00 | +233.0K | 743.9K | +46% | $0 |
| DM | 2026-06-17 17:07 | 2026-06-15+ | MIAX | BROWN DAVID A | Dir | A - Grant | $0.00 | +7,237 | 7,237 | New | $0 |
| M | 2026-06-17 17:04 | 2026-06-15+ | MIAX | Al-Bahar Talal Jassim | Dir | A - Grant | $0.00 | +7,237 | 40.9K | +22% | $0 |
| DM | 2026-06-17 16:43 | 2026-06-15+ | MIAX | Lozier Kenneth W. | Dir | A - Grant | $0.00 | +7,237 | 8,237 | +724% | $0 |
| DM | 2026-06-17 16:40 | 2026-06-15+ | MIAX | Sommers Jill E. | Dir | A - Grant | $0.00 | +6,083 | 6,083 | New | $0 |
| DM | 2026-06-17 16:39 | 2026-06-15+ | MIAX | Schwarzkopf Cynthia | Dir | A - Grant | $0.00 | +7,237 | 88.5K | +9% | $0 |
| 2026-06-17 16:35 | 2026-06-15 | MIAX | Becker Lee | Dir | A - Grant | $0.00 | +2,267 | 2,267 | New | $0 | |
| M | 2026-06-17 16:33 | 2026-06-15+ | MIAX | Massad Mark I. | Dir | A - Grant | $0.00 | +7,237 | 10.7K | +207% | $0 |
| M | 2026-06-17 16:31 | 2026-06-15+ | MIAX | Moore Lisa | Dir | A - Grant | $0.00 | +7,237 | 12.7K | +132% | $0 |
| DM | 2026-06-17 16:29 | 2026-06-15+ | MIAX | Raymond Mark F. | Dir | A - Grant | $0.00 | +7,237 | 67.1K | +12% | $0 |
| D | 2026-06-17 16:29 | 2026-06-16 | MIAX | Raymond Mark F. | Dir | M - OptEx | $12.00 | +16.0K | 62.1K | +35% | +$192.0K |
| M | 2026-06-17 16:27 | 2026-06-15+ | MIAX | Stahlin Paul | Dir | A - Grant | $0.00 | +7,237 | 42.1K | +21% | $0 |
| M | 2026-06-17 16:24 | 2026-06-15+ | MIAX | Beckelman John | Dir | A - Grant | $0.00 | +7,237 | 15.9K | +84% | $0 |
| M | 2026-06-17 16:22 | 2026-06-15+ | MIAX | Teekell Judson Gray | Dir | A - Grant | $0.00 | +7,237 | 78.3K | +10% | $0 |
| DM | 2026-06-17 16:19 | 2026-06-15+ | MIAX | Eckert Kurt M. | Dir | A - Grant | $0.00 | +7,237 | 149.6K | +5% | $0 |
| T | 2026-06-17 16:08 | 2026-06-15 | MIAX | Brown Shelly | EVP, Chief Strategy Off | S - Sale | $44.23 | -4,714 | 316.7K | -1% | -$208.5K |
| M | 2026-06-17 15:19 | 2026-06-15+ | MIAX | Sites Eric | Dir | A - Grant | $0.00 | +5,684 | 5,684 | New | $0 |
| 2026-06-12 16:19 | 2026-06-11 | MIAX | Brown Shelly | EVP, Chief Strategy Off | F - Tax | $40.79 | -3,619 | 321.4K | -1% | -$147.6K | |
| 2026-06-12 16:17 | 2026-06-11 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | F - Tax | $40.79 | -5,939 | 110.3K | -5% | -$242.3K | |
| 2026-06-12 16:16 | 2026-06-11 | MIAX | Schafer Douglas M. JR | EVP, CIO | F - Tax | $40.79 | -32.6K | 364.1K | -8% | -$1.33M | |
| DT | 2026-06-12 16:15 | 2026-06-11 | MIAX | Schwarzkopf Cynthia | Dir | M - OptEx | $12.00 | +19.5K | 100.8K | +24% | +$234.0K |
| DT | 2026-06-12 16:15 | 2026-06-11 | MIAX | Schwarzkopf Cynthia | Dir | S - Sale+OE | $41.73 | -19.5K | 81.3K | -19% | -$813.7K |
| DM | 2026-06-11 16:42 | 2026-06-09+ | MIAX | Stahlin Paul | Dir | M - OptEx | $12.00 | +11.0K | 36.1K | +44% | +$132.0K |
| D | 2026-06-11 16:42 | 2026-06-11 | MIAX | Stahlin Paul | Dir | F - Tax | $40.79 | -1,177 | 34.9K | -3% | -$48.0K |
| DMT | 2026-06-10 16:29 | 2026-06-08+ | MIAX | Jayabalan Harish | EVP, CRO, CISO | M - OptEx | $12.00 | +20.0K | 83.2K | +32% | +$240.0K |
| DMT | 2026-06-10 16:29 | 2026-06-08+ | MIAX | Jayabalan Harish | EVP, CRO, CISO | S - Sale+OE | $40.08 | -20.0K | 73.4K | -21% | -$801.6K |
| T | 2026-06-04 16:55 | 2026-06-02 | MIAX | Teekell Judson Gray | Dir | S - Sale | $42.78 | -3,000 | 71.0K | -4% | -$128.3K |
| DT | 2026-06-04 16:52 | 2026-06-02 | MIAX | Eckert Kurt M. | Dir | M - OptEx | $12.00 | +5,250 | 147.6K | +4% | +$63.0K |
| DT | 2026-06-04 16:52 | 2026-06-02 | MIAX | Eckert Kurt M. | Dir | S - Sale+OE | $42.76 | -5,250 | 142.4K | -4% | -$224.5K |
| DT | 2026-06-04 16:46 | 2026-06-02 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | M - OptEx | $12.00 | +28.0K | 871.8K | +3% | +$336.0K |
| DT | 2026-06-04 16:46 | 2026-06-02 | MIAX | Comly Barbara J. | EVP, GC, Corp. Sec | S - Sale+OE | $42.85 | -28.0K | 843.8K | -3% | -$1.20M |
| DT | 2026-06-04 16:44 | 2026-06-02 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | M - OptEx | $12.00 | +11.0K | 127.2K | +9% | +$132.0K |
| DT | 2026-06-04 16:44 | 2026-06-02 | MIAX | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | S - Sale+OE | $42.16 | -11.0K | 116.2K | -9% | -$463.8K |
| DT | 2026-06-04 16:40 | 2026-06-02 | MIAX | Schafer Douglas M. JR | EVP, CIO | M - OptEx | $12.00 | +48.0K | 444.7K | +12% | +$576.0K |
| DT | 2026-06-04 16:40 | 2026-06-02 | MIAX | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $42.84 | -48.0K | 396.7K | -11% | -$2.06M |
| DT | 2026-06-04 16:37 | 2026-06-02 | MIAX | Brown Shelly | EVP, Chief Strategy Off | M - OptEx | $12.00 | +16.0K | 341.0K | +5% | +$192.0K |
| DT | 2026-06-04 16:37 | 2026-06-02 | MIAX | Brown Shelly | EVP, Chief Strategy Off | S - Sale+OE | $42.12 | -16.0K | 325.0K | -5% | -$673.9K |
| DTI | 2026-06-04 16:37 | 2026-06-02 | MIAX | Gallagher Thomas P. | COB, CEO, Dir | M - OptEx | $12.00 | +70.0K | 1.79M | +4% | +$840.0K |
Purchase Sale Sale after option exercise All abbreviations