MARTIN MARIETTA MATERIALS INC (MLM): Entry into a Material Definitive Agreement
MARTIN MARIETTA MATERIALS INC (MLM) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. EX-4.2 2 d103352dex42.htm EX-4.2 EX-4.2 Exhibit 4.2 MARTIN MARIETTA MATERIALS, INC., as Issuer and Regions Bank, as Trustee SIXTH SUPPLEMENTAL INDENTURE Dated as of August 14, 2026 to INDENTURE Dated as of May 22, 2017 4.850% Senior Notes due 2029 5.200% Senior Notes due 2032 5.4
How this was made
The 30-second read
Why it matters
The supplemental indenture sets terms for multiple new series of senior notes (4.850% due 2029, 5.200% due 2032, 5.400% due 2034, 5.625% due 2036, 6.375% due 2056) and modifies the prior indenture only for these notes.
Market read
Debt-structure disclosures can move credit-sensitive names, but without proceeds, pricing, or use-of-funds details, the trading signal is limited.
What to watch
Traders will need the full 8-K exhibits to confirm whether this is new money, refinancing, or a note re-opening, and the coupon/pricing versus prior tranches.
Background
The 8-K reports entry into a material definitive agreement and creation of a direct financial obligation via a sixth supplemental indenture to an existing 2017 indenture.
Ticker impact
Martin Marietta Materials entered a sixth supplemental indenture with Regions Bank, establishing new senior note series due 2029-2056.
Likely modest, with focus on whether the new notes imply higher or lower cost of capital versus prior issuance.
The article is a primary SEC 8-K disclosure but the excerpt does not include pricing, proceeds, or use of funds, limiting the ability to forecast magnitude.
Market effects
Adds incremental datapoint on construction materials issuers’ ability to access long-dated credit markets.
No clear regional transmission beyond US credit markets.
Limited, as the disclosure is company-specific debt documentation.
Counterpoint
If the supplemental indenture is largely administrative (e.g., refinancing or re-opening existing structures), equity impact may be negligible.
Key entities
- issuerMartin Marietta Materials, Inc.
Subject of the 8-K, entering the supplemental indenture and issuing/establishing senior note series.
- trusteeRegions Bank
Trustee under the indenture and supplemental indenture for the senior notes.
