MLM · ISSUER CIK 916076
MARTIN MARIETTA MATERIALS INC
Between Aug 1, 2026 and Oct 29, 2026, 5 MARTIN MARIETTA MATERIALS INC insiders reported $0.00 of open-market purchases and $0.00 of sales on SEC Form 4.
↗5 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. No open-market sales in the window.
$0.00Insider buying
$0.00Insider selling
$0.00Net open-market
Sep 2, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 2, 202617:19 | Sep 1, 2026 | MLM | SVP and CFO | A · Grant | — | +9,331 | 24,322 | +62% | — | ||
| Sep 2, 202616:35 | Aug 31, 2026 | MLM | Director | A · Grant | $518.70 | +78 | 5,106 | +2% | $40K | ||
| Sep 2, 202616:31 | Aug 31, 2026 | MLM | Director | A · Grant | $518.70 | +66 | 5,029 | +1% | $34K | ||
| Sep 2, 202616:29 | Aug 31, 2026 | MLM | Director | A · Grant | $518.70 | +68 | 442 | +18% | $35K | ||
| Aug 25, 202616:15 | Aug 21, 2026 | MLM | Director | A · Grant | — | +337 | 337 | New | — | ||
| Aug 4, 202616:23 | Aug 3, 2026 | MLM | SVP and CFO | F · Tax | $542.27 | −368 | 14,991 | -2% | $200K |