Douglas M. Schafer JR

MIAX

Douglas M. Schafer JR serves as officer: 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

7 trades

$13.68M

Net Position

Net Seller

$13.68M

Companies Traded

MIAX

Active Period

Feb 2026 – Sep 2026

7 total trades

Most Recent

Sell MIAX

Sep 4, 2026 · $1.94M

Douglas M. Schafer JR's Insider Trading at Miami International Holdings, Inc. (MIAX)

Buys

0 · $0.00

Sells

7 · $13.68M

Total Shares Bought

Total Shares Sold

320,565

MIAX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 4, 2026	Sell	48,000	$40.48	$1.94M	387,414
Aug 6, 2026	Sell	48,000	$45.71	$2.19M	387,414
Jul 7, 2026	Sell	48,000	$41.22	$1.98M	387,414
Jun 4, 2026	Sell	48,000	$42.84	$2.06M	396,681
May 5, 2026	Sell	48,000	$47.25	$2.27M	396,681
Mar 18, 2026	Sell	48,000	$39.74	$1.91M	396,681
Feb 18, 2026	Sell	32,565	$40.89	$1.33M	0