Transaction · 0000916076-26-000088

Petro Michael J

Petro Michael J, SC, reported a transaction classified as grant at MARTIN MARIETTA MATERIALS INC involving 9331.000000 shares for an estimated $0.00. Reported holdings after the transaction were 24321.602600 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ASC
MLMMARTIN MARIETTA MATERIALS INC
Filing timeSep 02
Trade dateSep 01, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

MLM price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
MLM since 2026-09-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
grant
Code A
Identifier
0000916076-26-000088
Common Stock
Transaction date
Sep 01, 2026
Filed Sep 02, 2026, 09:19 PM · 1d delay
Shares
9.33k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
24.3k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Large Holdings Increase
-12score
Filing-only score

-12

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

SVP and CFO

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Restricted stock unit award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, which award vests pro rata in three equal installments on the sixth, seventh…

Original filing · 0000916076-26-000088
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Same reporting owner
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