Pinnacle Financial Partners, Inc. 8-K

What Happened
Pinnacle Financial Partners, Inc. reported that the transactions under the Agreement and Plan of Merger dated July 24, 2025 among Synovus Financial Corp. (Legacy Synovus), Legacy Pinnacle, and the merger vehicle (formerly Steel Newco Inc.) were completed. On March 2, 2026 the company filed Legacy Pinnacle’s Annual Report on Form 10‑K for the fiscal year ended December 31, 2025, and attached Legacy Synovus’ Form 10‑K for the same period as Exhibit 99.1 to this Form 8‑K.

Key Details

• Merger agreement date: July 24, 2025; transactions have been completed (closing announced in this 8‑K).
• Filing date: March 2, 2026 — Legacy Pinnacle’s Form 10‑K was filed; Legacy Synovus’ 2025 Form 10‑K is included as Exhibit 99.1.
• The 8‑K was signed by Allan E. Kamensky, Executive VP & Chief Legal Officer, on behalf of Pinnacle Financial Partners.
• Audit-related consent (KPMG LLP) is included with the Legacy Synovus 10‑K exhibits.

Why It Matters
The filing confirms the merger closing and makes the legacy companies’ audited 2025 disclosures available to investors. Reviewing the two Form 10‑Ks will show the historical financial results, risk factors, and other disclosures for Legacy Pinnacle and Legacy Synovus that are relevant to understanding the combined company's past performance and regulatory filings. Investors should read the attached Form 10‑Ks (available on SEC EDGAR) for details on reported results, auditor opinions, and material risks.