REPUBLIC AIRWAYS HOLDINGS INC. 8-K

What Happened

• Republic Airways Holdings Inc. announced on April 22, 2026 that its Board promoted Matthew J. Koscal to President and Chief Executive Officer (principal executive officer), effective June 15, 2026. Current Chairman and CEO David Grizzle will resume the role of non-executive Chairman of the Board on that date. The company issued a press release on April 28, 2026 announcing the leadership transition (Exhibit 99.1) and incorporated biographical details from its April 9, 2026 proxy statement by reference.

Key Details

• Board action date: April 22, 2026; CEO effective date: June 15, 2026.
• David Grizzle previously served as non-executive Chair from 2017 until he became CEO prior to Republic’s merger with Mesa Air Group, Inc. on November 25, 2025.
• The company states Mr. Koscal was not appointed pursuant to any arrangement with another person, has no family ties to officers/directors, and no transactions requiring Item 404(a) disclosure.
• Republic intends to file an amendment to this 8-K to provide any additional information required.

Why It Matters

• Leadership transitions can affect strategy, operations and investor confidence. This filing confirms a planned, board-approved CEO succession with a known effective date, and clarifies governance roles (CEO vs. non-executive Chair) following the recent merger. Investors should note the personnel change and review the company’s proxy and press release for further background on Mr. Koscal’s experience and potential strategic priorities.