MARTIN MARIETTA MTLSInsider Trading & SEC Form 4 Analysis
Institutional analysis of internal capital flows based on SEC Form 4 filings.
-$1.0M
Buys minus sales2026.05.29
Latest Form 422
Reporting entitiesPetro Michael J
$249.9KPEREZ LAREE E
$636.6KAutomated_Intelligence_Report :: MLM
Algorithmic analysis of recent insider trading activity for MLM reveals a bearish posture among the C-suite and board members. Based on the latest SEC Form 4 filings, we have tracked capital events executed by 22 distinct corporate insiders. The aggregate nominal exposure during this reporting cycle reached $27.23M.
Market dynamics show a negative net capital flow of $1.02M when isolating open-market purchases versus open-market sales. Interestingly, a significant portion of the total volume is driven by the exercise of options or grants rather than open-market transactions, suggesting that insiders are currently prioritizing compensation-based equity accumulation or tax-related liquidation over voluntary portfolio rebalancing.
From a microstructural perspective, the landscape is fragmented. Petro Michael J led the buying pressure, while PEREZ LAREE E registered the largest single offload of shares. Continuous monitoring of these Tier-1 actors is essential, as their liquidity decisions often precede material corporate events or reflect an informed, asymmetric perspective on the future performance of MLM.
$27.23M
USD NOMINAL VALUE22
UNIQUE C-SUITE ENTITIES2026.05.29
ISO_8601 FORMATAutomated_Queries :: Frequently Asked Questions
>What is the overall insider sentiment for MLM?
The short-term structural capital flow indicates a BEARISH sentiment, with a net flow of $1.02M generated by 22 active C-Suite entities.
>When was the latest SEC Form 4 filed for MLM?
The most recent insider transaction on record was filed on 2026.05.29. InsiderAlpha monitors EDGAR filings and updates this terminal as new Form 4 documents are published.
>How many corporate insiders are active in MLM?
Our dataset currently tracks 22 distinct insiders with reported transactions for MLM in the active reporting window.