AlphaYouMIAX: Schafer Douglas M. JR discloses securities transactions
By AlphaYouPublished Form 4
Schafer Douglas M. JR
Reporting filer
Schafer Douglas M. JR reported Exercise or conversion in MIAMI INTERNATIONAL HOLDINGS, INC.: 40000 units of Common Stock, dated 2026-10-02. The full Form 4 contains 3 transaction entries.
- Disclosed
- Oct 6, 2026
Reported details
3 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Schafer Douglas M. JR | 2026-10-02 | M | Exercise or conversion | 40000 | 12 | 427,414 | 4 days | Filed terms
|
| Common Stock | Schafer Douglas M. JR | 2026-10-02 | S | Sale | 40000 | 33.34 | 387,414 | 4 days | Filed terms
|
| Nonqualified Stock Option (Right to Buy) (derivative) | Schafer Douglas M. JR | 2026-10-02 | M | Exercise or conversion | 40000 | 0 | 155,334 | 4 days | Filed terms
|
Common Stock
- Owner
- Schafer Douglas M. JR
- Date
- 2026-10-02
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 40000
- Price
- 12
- Following holdings
- 427,414
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-02
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- id: F1
- transaction Shares: 40000
- transaction Price Per Share: 12
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 427414
- direct Or Indirect Ownership: D
Common Stock
- Owner
- Schafer Douglas M. JR
- Date
- 2026-10-02
- Code
- S
- Action
- Sale
- Quantity
- 40000
- Price
- 33.34
- Following holdings
- 387,414
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-02
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 40000
- transaction Price Per Share: 33.34
- id: F2
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 387414
- direct Or Indirect Ownership: D
Nonqualified Stock Option (Right to Buy) (derivative)
- Owner
- Schafer Douglas M. JR
- Date
- 2026-10-02
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 40000
- Price
- 0
- Following holdings
- 155,334
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Nonqualified Stock Option (Right to Buy)
- conversion Or Exercise Price: 12
- transaction Date: 2026-10-02
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 40000
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F3
- expiration Date: 2029-07-31
- underlying Security Title: Common Stock
- underlying Security Shares: 40000
- shares Owned Following Transaction: 155334
- direct Or Indirect Ownership: D
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- Schafer Douglas M. JR: EVP and CIO.
- The filing reports a Rule 10b5-1 trading plan.
- F1: This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 16, 2025.
- F2: This transaction was executed in multiple trades throughout the day at prices ranging from $32.91 to $33.97. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F3: The options are fully vested.
Original sources
Prepared automatically from public filing data. Report a correction.