MLM
Martin Marietta Materials Inc
6 disclosed insider filings · 5 distinct insiders · latest Sep 2, 2026
Total filings
6
5 insiders
Insider buys
0
$0
Insider sells
0
$0
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026 | Sep 1, 2026 | Michael J Petro OFFICER | OTHER | 9,331 | — | — | — | EDGAR |
| Sep 2, 2026 | Aug 31, 2026 | Martin J Lyons DIRECTOR | OTHER | 68 | $518.7 | $35K | — | EDGAR |
| Sep 2, 2026 | Aug 31, 2026 | Thomas Pike DIRECTOR | OTHER | 66 | $518.7 | $34K | — | EDGAR |
| Sep 2, 2026 | Aug 31, 2026 | David C Wajsgras DIRECTOR | OTHER | 78 | $518.7 | $40K | — | EDGAR |
| Aug 25, 2026 | Aug 21, 2026 | Philipp Niemann DIRECTOR | OTHER | 337 | — | — | — | EDGAR |
| Aug 4, 2026 | Aug 3, 2026 | Michael J Petro OFFICER | OTHER | 368 | $542.27 | $200K | — | EDGAR |