Schafer Douglas M. JR
SEC CIK 2079445 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | EVP, CIO | 435.4K | — | $12.35M | 17 | 2025-08-15 | 2026-09-02 |
Most active insiders at MIAX, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Gallagher Thomas P. | COB, CEO, Dir | — | $32.30M |
| 2 | Schafer Douglas M. JR | EVP, CIO | — | $12.35M |
| 3 | Comly Barbara J. | EVP, GC, Corp. Sec | — | $9.98M |
| 4 | HORIZON KINETICS ASSET MANAGEMENT LLC | — | $312.4K | $4.95M |
| 5 | Brown Shelly | EVP, Chief Strategy Off | — | $5.11M |
| 6 | Emmons Lance | EVP, CFO | — | $3.47M |
| 7 | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | — | $2.93M |
| 8 | STAHL MURRAY | Dir, 10% | $722.7K | $2.19M |
| 9 | Jayabalan Harish | EVP, CRO, CISO | — | $2.56M |
| 10 | Eckert Kurt M. | Dir | — | $2.22M |
Transactions 17
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-09-04 16:25 | 2026-09-02 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | 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 | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $40.48 | -48.0K | 387.4K | -11% | -$1.94M |
| DT | 2026-08-06 16:06 | 2026-08-04 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | 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 | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $45.71 | -48.0K | 387.4K | -11% | -$2.19M |
| DMT | 2026-07-07 16:06 | 2026-07-02 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | 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 | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $41.22 | -48.0K | 387.4K | -11% | -$1.98M |
| D | 2026-06-18 16:24 | 2026-06-16 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | A - Grant | $0.00 | +23.3K | 387.4K | +6% | $0 |
| 2026-06-12 16:16 | 2026-06-11 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | F - Tax | $40.79 | -32.6K | 364.1K | -8% | -$1.33M | |
| DT | 2026-06-04 16:40 | 2026-06-02 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | 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 | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $42.84 | -48.0K | 396.7K | -11% | -$2.06M |
| DT | 2026-05-05 07:32 | 2026-05-04 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | M - OptEx | $12.00 | +48.0K | 444.7K | +12% | +$576.0K |
| DT | 2026-05-05 07:32 | 2026-05-04 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $47.25 | -48.0K | 396.7K | -11% | -$2.27M |
| D | 2026-03-18 | 2026-03-17 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | S - Sale+OE | $39.74 | -48.0K | 396.7K | -11% | -$1.91M |
| D | 2026-03-18 | 2026-03-17 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | M - OptEx | $12.00 | +48.0K | 444.7K | +12% | +$576.0K |
| 2026-02-20 | 2026-02-18 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | F - Tax | $40.89 | -32.6K | 396.7K | -8% | -$1.33M | |
| 2026-02-12 | 2026-02-10 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | F - Tax | $41.33 | -108.5K | 429.2K | -20% | -$4.49M | |
| DM | 2025-08-19 | 2025-08-15 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | EVP, CIO | C - Cnv Deriv | — | +387.8K | 537.8K | +259% | — |
Purchase Sale Sale after option exercise All abbreviations