Miami International Holdings, Inc. (MIAX) on GreekSoup

Miami International Holdings, Inc.: Schedule 13G/A filed by BlackRock, Inc., 6.2% of the class

Tue, 27 Oct 2026 00:00:00 +0000

Schedule 13D/13G. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Comly Barbara J. (EVP, GC & Corporate Secretary) sold 12,306 shares (under a trading plan set in advance) at $35.04 on 22 October 2026, $431,202

Mon, 26 Oct 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Schafer Douglas M. Jr (EVP and CIO) sold 8,000 shares (under a trading plan set in advance) at $35.06 on 22 October 2026, $280,480

Mon, 26 Oct 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: short interest 7,967,675 shares at the 15 October 2026 settlement, 3.66 days to cover

Thu, 15 Oct 2026 00:00:00 +0000

Short interest. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Schafer Douglas M. Jr (EVP and CIO) sold 40,000 shares (under a trading plan set in advance) at $33.34 on 2 October 2026, $1.3 million

Tue, 06 Oct 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Form 144, DOUGLAS M. SCHAFER JR. plans to sell 120,000 shares worth $4.0 million around 2 October 2026

Fri, 02 Oct 2026 00:00:00 +0000

Form 144. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: short interest 8,880,720 shares at the 30 September 2026 settlement, 4.64 days to cover

Wed, 30 Sep 2026 00:00:00 +0000

Short interest. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Brown Shelly (EVP, Chief Strategy Officer) sold 21,217 shares (under a trading plan set in advance) at $38.61 on 16 September 2026, $819,188

Thu, 17 Sep 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Form 144, SHELLY BROWN plans to sell 21,217 shares worth $838,284 around 16 September 2026

Wed, 16 Sep 2026 00:00:00 +0000

Form 144. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: short interest 6,842,367 shares at the 15 September 2026 settlement, 4.98 days to cover

Tue, 15 Sep 2026 00:00:00 +0000

Short interest. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Gallagher Thomas P. (Chairman & CEO), by Gallagher Investments, LLC, sold 47,000 shares (under a trading plan set in advance) at $42.43 on 3 September 2026, $2.0 million

Fri, 04 Sep 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Deitzel Edward (EVP, CRO, CCO MIAX Exchanges) sold 11,000 shares (under a trading plan set in advance) at $42.21 on 3 September 2026, $464,310

Fri, 04 Sep 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Comly Barbara J. (EVP, GC & Corporate Secretary) sold 44,445 shares (under a trading plan set in advance) at $40.49 on 2 September 2026, $1.8 million

Fri, 04 Sep 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Schafer Douglas M. Jr (EVP and CIO) sold 48,000 shares (under a trading plan set in advance) at $40.48 on 2 September 2026, $1.9 million

Fri, 04 Sep 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Teekell Judson Gray (Director), by estate of Byrum W. Teekell, sold 5,545 shares (under a trading plan set in advance) at $41.58 on 2 September 2026, $230,561

Fri, 04 Sep 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Teekell Judson Gray (Director) sold 3,000 shares (under a trading plan set in advance) at $40.89 on 2 September 2026, $122,670

Fri, 04 Sep 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Form 144, GALLAGHER INVESTMENTS LLC plans to sell 141,000 shares worth $5.7 million around 3 September 2026

Thu, 03 Sep 2026 00:00:00 +0000

Form 144. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: short interest 6,787,161 shares at the 31 August 2026 settlement, 5.64 days to cover

Mon, 31 Aug 2026 00:00:00 +0000

Short interest. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Gallagher Thomas P. (Chairman & CEO), by Gallagher Investments, LLC, sold 149,700 shares (under a trading plan set in advance) at $41.13 on 19 August 2026, $6.2 million

Thu, 20 Aug 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Form 144, GALLAGHER INVESTMENTS LLC plans to sell 149,700 shares worth $6.3 million around 19 August 2026

Wed, 19 Aug 2026 00:00:00 +0000

Form 144. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Schwarzkopf Cynthia (Director) sold 5,000 shares (under a trading plan set in advance) at $42.85 on 17 August 2026, $214,250

Wed, 19 Aug 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Emmons Lance (EVP and CFO) sold 35,000 shares (under a trading plan set in advance) at $42.83 on 17 August 2026, $1.5 million

Wed, 19 Aug 2026 00:00:00 +0000

Insider trade. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Form 144, Lance Emmons plans to sell 35,000 shares worth $1.5 million around 17 August 2026

Mon, 17 Aug 2026 00:00:00 +0000

Form 144. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Schedule 13G filed by T. Rowe Price Investment Management, Inc., 5.3% of the class

Fri, 14 Aug 2026 00:00:00 +0000

Schedule 13D/13G. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: short interest 7,390,843 shares at the 14 August 2026 settlement, 5.41 days to cover

Fri, 14 Aug 2026 00:00:00 +0000

Short interest. The filing. The page on GreekSoup.

Miami International Holdings, Inc. Q2 FY2025 results: revenue $328 million, net income $24 million

Fri, 07 Aug 2026 00:00:00 +0000

Results. The filing. The page on GreekSoup.

Miami International Holdings, Inc. Q2 FY2026 results: revenue $388 million, net income $44 million

Fri, 07 Aug 2026 00:00:00 +0000

Results. The filing. The page on GreekSoup.

Miami International Holdings, Inc. filed 10-Q: 10-q

Fri, 07 Aug 2026 00:00:00 +0000

SEC filing. The filing. The page on GreekSoup.

Miami International Holdings, Inc.: Eckert Kurt M. (Director) sold 1,063 shares (under a trading plan set in advance) at $45.80 on 4 August 2026, $48,685