Jill E. Sommers

Insider

First SEC filing: March 31, 2026 · Latest: June 17, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 3 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 16, 2026	MIAX	A	2,571	—	—	2,571 Direct	—	Acquired	(price as of 2026-08-19)
June 16, 2026	MIAX	A	4,970	—	—	6,083 Direct	+446.54%	Acquired	(price as of 2026-08-19)
June 15, 2026	MIAX	A	1,113	—	—	1,113 Direct	—	Acquired	(price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 16, 2026	MIAX	Nonqualified Stock Option (Right to Buy)	Common Stock (2,571)	$40.24	June 15, 2036	2,571	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 31, 2026	MIAX	Nonqualified Stock Option (Right to Buy)→ Common Stock (2,709)	2,709	Direct
March 31, 2026	MIAX	Nonqualified Stock Option (Right to Buy)→ Common Stock (8,792)	8,792	Direct
March 31, 2026	MIAX	Nonqualified Stock Option (Right to Buy)→ Common Stock (8,306)	8,306	Direct