Barbara J. Comly
CIK: 0002080878
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MIAMI INTERNATIONAL HOLDINGS, INC.
Discretionary Trading P&L
Holdings
Transaction History (43 total)
- Oct 22, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct12.3K shares at avg. $12.00$148K - Oct 22, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Sale(S)Direct12.3K shares at avg. $35.04$431K - Sep 2, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Sale(S)Direct44.4K shares at avg. $40.49$1.8M - Sep 2, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct44.4K shares at avg. $12.00$533K - Aug 18, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Tax Payment(F)Direct43.4K shares at avg. $42.41$1.8M - Aug 4, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct44.4K shares at avg. $12.00$533K - Aug 4, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Sale(S)Direct44.4K shares at avg. $45.69$2.0M - Jul 13, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct28K shares at avg. $12.00$336K - Jul 13, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Sale(S)Direct28K shares at avg. $41.98$1.2M - Jul 2, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Sale(S)Direct28K shares at avg. $41.22$1.2M - Jul 2, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct28K shares at avg. $12.00$336K - Jun 16, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Award(A)Direct39.1K shares- - Jun 2, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct28K shares at avg. $12.00$336K - Jun 2, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Sale(S)Direct28K shares at avg. $42.85$1.2M - May 4, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct28K shares at avg. $12.00$336K - May 4, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Sale(S)Direct28K shares at avg. $47.26$1.3M - Apr 15, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct29.7K shares at avg. $12.00$356K - Apr 15, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Sale(S)Direct29.7K shares at avg. $43.64$1.3M - Mar 30, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Tax Payment(F)Direct1.4K shares at avg. $37.50$54K - Mar 9, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct8.3K shares at avg. $12.00$100K - Mar 9, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct16.7K shares at avg. $12.00$200K - Mar 9, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)Direct8.3K shares at avg. $12.00$100K - Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)DirectIncentive Stock Option (Right to Buy)
8.3K shares- - Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)DirectIncentive Stock Option (Right to Buy)
13.1K shares- - Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Exercise(M)DirectIncentive Stock Option (Right to Buy)
13.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 22, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 12,306 | $12.00 | $147,672 | Direct |
| Oct 22, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Sale(S) | 12,306 | $35.04 | $431,202 | Direct |
| Sep 2, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Sale(S) | 44,445 | $40.49 | $1,799,578 | Direct |
| Sep 2, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 44,445 | $12.00 | $533,340 | Direct |
| Aug 18, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Tax Payment(F) | 43,420 | $42.41 | $1,841,442 | Direct |
| Aug 4, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 44,445 | $12.00 | $533,340 | Direct |
| Aug 4, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Sale(S) | 44,445 | $45.69 | $2,030,692 | Direct |
| Jul 13, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 28,000 | $12.00 | $336,000 | Direct |
| Jul 13, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Sale(S) | 28,000 | $41.98 | $1,175,440 | Direct |
| Jul 2, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Sale(S) | 28,000 | $41.22 | $1,154,160 | Direct |
| Jul 2, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 28,000 | $12.00 | $336,000 | Direct |
| Jun 16, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Award(A) | 39,140 | - | $0 | Direct |
| Jun 2, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 28,000 | $12.00 | $336,000 | Direct |
| Jun 2, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Sale(S) | 28,000 | $42.85 | $1,199,800 | Direct |
| May 4, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 28,000 | $12.00 | $336,000 | Direct |
| May 4, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Sale(S) | 28,000 | $47.26 | $1,323,280 | Direct |
| Apr 15, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 29,667 | $12.00 | $356,004 | Direct |
| Apr 15, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Sale(S) | 29,667 | $43.64 | $1,294,668 | Direct |
| Mar 30, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Tax Payment(F) | 1,448 | $37.50 | $54,300 | Direct |
| Mar 9, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 8,333 | $12.00 | $99,996 | Direct |
| Mar 9, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 16,666 | $12.00 | $199,992 | Direct |
| Mar 9, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) | 8,333 | $12.00 | $99,996 | Direct |
| Aug 15, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) Incentive Stock Option (Right to Buy) | 8,333 | - | - | Direct |
| Aug 15, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) Incentive Stock Option (Right to Buy) | 13,140 | - | - | Direct |
| Aug 15, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise(M) Incentive Stock Option (Right to Buy) | 13,140 | - | - | Direct |
1-25 of 43 transactions
About Comly Barbara J.
Comly Barbara J. (SEC CIK 0002080878) files insider reports with the SEC as EVP, GC & Corporate Secretary of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX).
Signal8 holds 15 ownership filings by Comly Barbara J. (1 Form 3, 14 Form 4), filed between Aug 13, 2025 and Oct 26, 2026. Those filings report 43 transactions, from Aug 13, 2025 to Oct 22, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Comly Barbara J.'s filings is in PRINCETON, NJ.
Recent filings by Comly Barbara J.
- Oct 22, 2026: Option exercise of MIAX shares (Form 4, code M).
- Oct 22, 2026: Open-market sale of MIAX shares (Form 4, code S).
- Sep 2, 2026: Open-market sale of MIAX shares (Form 4, code S).
- Sep 2, 2026: Option exercise of MIAX shares (Form 4, code M).
- Aug 18, 2026: Tax withholding of MIAX shares (Form 4, code F).
Other insiders filing for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)
- Schafer Douglas M. JR, EVP and CIO
- Jayabalan Harish, EVP, CISO and CRO
- Brown Shelly, EVP, Chief Strategy Officer
- Gallagher Thomas P., Chairman & CEO
- Deitzel Edward, EVP, CRO, CCO MIAX Exchanges
- Teekell Judson Gray, Director