Michael J Petro

MLM

Michael J Petro serves as SVP and CFO at Martin Marietta Materials, Inc. (MLM). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$249.9K

Total Sells

3 trades

$1.25M

Net Position

Net Seller

$1.00M

Companies Traded

MLM

Active Period

Feb 2025 – Feb 2026

4 total trades

Most Recent

Sell MLM

Feb 19, 2026 · $505.2K

Michael J Petro's Insider Trading at Martin Marietta Materials, Inc. (MLM)

Buys

1 · $249.9K

Sells

3 · $1.25M

Total Shares Bought

550

Total Shares Sold

2,169

MLM Price Chart

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Date	Type	Shares	Avg Price	Value
Feb 19, 2026	Sell	758	$666.53	$505.2K
Mar 5, 2025	Buy	550	$454.37	$249.9K
Feb 25, 2025	Sell	200	$490.64	$98.1K
Feb 20, 2025	Sell	1,211	$533.99	$646.7K

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