Petro Michael J bought MLM
September 1, 2026 · Form 4 insider transaction
Petro Michael J bought 9,331 shares of Martin Marietta Materials, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
9,331
Price
$0.00
Total value
N/A
InsiderPetro Michael J
Role—
SecurityCommon Stock
Transaction codeA: Grant or award
Transaction dateSeptember 1, 2026
Filing dateSeptember 2, 2026
Shares owned after24,322
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
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 and eight anniversaries of the award date, subject to continued employment and other terms and conditions specified in the award agreement.