Douglas M. Schafer JR

MIAX

Douglas M. Schafer JR serves as EVP and CIO at MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

1 trades

$1.33M

Net Position

Net Seller

$1.33M

Companies Traded

MIAX

Active Period

Feb 2026

1 total trades

Most Recent

Sell MIAX

Feb 18, 2026 · $1.33M

Douglas M. Schafer JR's Insider Trading at MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)

Buys

0 · $0.00

Sells

1 · $1.33M

Total Shares Bought

Total Shares Sold

32,565

MIAX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 18, 2026↗	Sell	32,565	$40.89	$1.33M	0

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