MARKET_TICKER: MLM

MARTIN MARIETTA MTLSInsider Trading & SEC Form 4 Analysis

Institutional analysis of internal capital flows based on SEC Form 4 filings.

Executive Sentiment
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED

Automated_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 $27.69M.

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.

Volume_30D

$27.69M

USD NOMINAL VALUE
Active_Insiders

22

UNIQUE C-SUITE ENTITIES
Last_Entry

2026.05.14

ISO_8601 FORMAT
INITIALIZING_CHART_ENGINE...
Entity / TimelineMethodologyPositionNet Value
WAJSGRAS DAVID C2026.05.14
ACQUISITION313$0
SLAGER DONALD W2026.05.14
ACQUISITION313$0
Pike Thomas2026.05.14
ACQUISITION313$0
PEREZ LAREE E2026.05.14
ACQUISITION313$0
Mack Mary T2026.05.14
ACQUISITION313$0
LYONS MARTIN J2026.05.14
ACQUISITION313$0
Foxx Anthony R2026.05.14
ACQUISITION313$0
DELLY GAYLA J2026.05.14
ACQUISITION313$0
Ables Dorothy M2026.05.14
ACQUISITION313$0
Samborski Christopher William2026.05.01
ACQUISITION8,101$0
Schoen George Frederick2026.03.01
ACQUISITION23,673$0
Petro Michael J2026.03.01
ACQUISITION2,960$0
Nye C Howard2026.03.01
ACQUISITION5,919$0
McCunniff Donald A.2026.03.01
ACQUISITION2,960$0
WAJSGRAS DAVID C2026.02.27
ACQUISITION56$37,887.92
Pike Thomas2026.02.27
ACQUISITION47$31,798.79
KORALESKI JOHN J2026.02.27
ACQUISITION69$46,683.33
Petro Michael J2026.02.24
ACQUISITION94$65,503.9
Nye C Howard2026.02.24
ACQUISITION1,221$850,853.85
Flynn Jason Paul2026.02.24
ACQUISITION30$20,905.5
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Automated_Queries :: Frequently Asked Questions

>Who is currently buying MLM stock?

Based on the latest SEC Form 4 filings, Petro Michael J (Officer/Other) has been actively acquiring shares. The total recent insider buying volume stands at $0.25M.

>Are MLM insiders selling their shares?

Yes, we have tracked $1.27M in recent insider liquidations. The most notable recent seller is PEREZ LAREE E, who executed the largest single offload.

>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.

SECTOR_PEERS :: Industrials