Douglas M. Schafer JR
EVP and CIO · 11 filings · Latest: Oct 2, 2026
MIAMI INTERNATIONAL HOLDINGS, INC.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
MIAX | Douglas M. Schafer JR | EVP and CIO | Oct 2, 2026 | Sale | $33.34 | 40,000 | $1.3M | 387,414 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Oct 2, 2026 | Option Exercise | $12.00 | 40,000 | $480.0K | 427,414 | |
MIAX | DOUGLAS M. SCHAFER JR. | — | Oct 2, 2026 | Proposed Sale | $33.75 | 120,000 | $4.0M | — | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Sep 2, 2026 | Sale | $40.48 | 48,000 | $1.9M | 387,414 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Sep 2, 2026 | Option Exercise | $12.00 | 48,000 | $576.0K | 435,414 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Aug 4, 2026 | Sale | $45.71 | 48,000 | $2.2M | 387,414 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Aug 4, 2026 | Option Exercise | $12.00 | 48,000 | $576.0K | 435,414 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Jul 2, 2026 | Sale | $41.22 | 48,000 | $2.0M | 387,414 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Jul 2, 2026 | Option Exercise | $12.00 | 48,000 | $576.0K | 435,414 | |
MIAX | DOUGLAS M. SCHAFER JR. | — | Jul 2, 2026 | Proposed Sale | $39.05 | 144,000 | $5.6M | — | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Jun 2, 2026 | Sale | $42.84 | 48,000 | $2.1M | 396,681 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Jun 2, 2026 | Option Exercise | $12.00 | 48,000 | $576.0K | 444,681 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | May 4, 2026 | Sale | $47.25 | 48,000 | $2.3M | 396,681 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | May 4, 2026 | Option Exercise | $12.00 | 48,000 | $576.0K | 444,681 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Mar 17, 2026 | Sale | $39.74 | 48,000 | $1.9M | 396,681 | |
MIAX | Douglas M. Schafer JR | EVP and CIO | Mar 17, 2026 | Option Exercise | $12.00 | 48,000 | $576.0K | 444,681 | |
MIAX | DOUGLAS M. SCHAFER JR. | — | Mar 17, 2026 | Proposed Sale | $39.49 | 144,000 | $5.7M | — |