Materion Corp SEC Filings

Insider transaction by Director Craig S. Shular at Materion Corp (MTRN). On 10/06/2025 the reporting person acquired 195 shares of common stock at a price of $124.42 per share and disposed of 5,908.972 shares. After the transactions, the reporting person beneficially owned 52,328.979 shares indirectly, held in a directors' deferred compensation plan. The form was signed by an attorney-in-fact on 10/07/2025.

Emily M. Liggett, a director of Materion Corporation (MTRN), reported transactions on 09/05/2025. The filing discloses the acquisition of 2 restricted stock units that each represent a right to one share and were recorded at a price of $0; those units will vest in line with the related restricted stock units (vesting no later than May 8, 2026 or the next annual meeting). The report also shows 2,002 shares beneficially owned following the reported derivative transactions (direct) and 1,267.944 shares held indirectly in the Directors Deferred Compensation Plan. The Form 4 was signed by an attorney-in-fact on 09/09/2025.

Gregory R. Chemnitz, Vice President, General Counsel & Secretary of Materion Corporation (MTRN), reported a small grant of 5 restricted stock units (RSUs) on 09/05/2025 that were acquired upon reinvestment of dividend equivalents. Each RSU represents a right to one share of common stock and will vest at the same time as the related RSUs. Following the transaction, he beneficially owns 3,961 shares directly. The reported RSUs carry a $0 purchase price. The Form 4 was signed by an attorney-in-fact, Michelle R. Mekinda, on 09/09/2025.

Insider report summary: Craig S. Shular, a director of Materion Corporation (MTRN), reported transactions dated 09/05/2025. The filing shows non-derivative common stock activity including an acquisition (Code A) of 65.698 shares at $0 with 52,133.979 shares reported as indirectly beneficially owned through the Directors Deferred Compensation Plan, and a disposition (D) of 5,908.972 shares. The report also shows acquisition of 2 restricted stock units (RSUs) that convert 1-for-1 to common shares, increasing direct RSU holdings to 2,002. The RSUs were acquired upon reinvestment of dividend equivalents and vest no later than May 8, 2026 (or the next annual meeting).

Robert B. Toth, a director of Materion Corp (MTRN), acquired 2 restricted stock units (RSUs) on 09/05/2025 through the reinvestment of dividend equivalents. Each RSU converts to one share of common stock. The new units vest concurrently with the related RSUs (the earlier of May 8, 2026 or the next annual shareholders meeting). Following this transaction, Mr. Toth directly beneficially owns 2,002 shares. The reported price for the acquisition was $0.

Reporting person: Melissa A. Fashinpaur, listed as an officer (Chief Accounting Officer) and director of Materion Corporation (MTRN).
Transaction: On 09/05/2025 she was issued 3 restricted stock units (RSUs) at a reported price of $0, acquired upon reinvestment of dividend equivalents. These RSUs will vest at the same time as the related restricted stock units to which they pertain, and each RSU represents the right to one share of MTRN common stock. After the transaction she beneficially owned 2,212 common shares in a direct ownership form. The Form 4 filing was signed by an attorney-in-fact on 09/09/2025.

Materion Corporation (MTRN) director Robert J. Phillippy reported transactions dated 09/05/2025 showing routine compensation-related activity. He acquired 15.125 shares of common stock at a $0 price and received 2 restricted stock units (each converting to one share) credited with a $0 price after reinvestment of dividend equivalents; the RSUs vest by the earlier of May 8, 2026 or the next annual meeting. He disposed of 5,158 shares. After the reported transactions, Mr. Phillippy beneficially owned 12,002.506 shares indirectly (held in a directors' deferred compensation plan) and 2,002 shares directly related to the RSUs.

Reddy N. Mohan, a director of Materion Corporation (MTRN), reported acquisitions on 09/05/2025. The filing shows 56.848 shares of common stock were acquired into a directors' deferred compensation plan at a reported price of $0, increasing indirect beneficial ownership to 45,111.525 shares held in the plan. In addition, 2 restricted stock units (each converting to one share) were acquired and are shown as 2 direct shares. The restricted stock units were issued as reinvested dividend equivalents and will vest on the earlier of May 8, 2026 or the next annual meeting of shareholders. The form was signed by an attorney-in-fact on 09/09/2025.

Patrick M. Prevost, a director of Materion Corporation (MTRN), reported acquisitions on 09/05/2025. He indirectly acquired 19.93 shares of MTRN common stock through the companys directors deferred compensation plan at a reported price of $0, increasing indirect beneficial ownership to 15,815.179 shares. Separately, he directly received 2 restricted stock units (RSUs) acquired as reinvested dividend equivalents; each RSU converts to one share and these units will vest the earlier of May 8, 2026 or the next annual shareholder meeting. The Form 4 was signed by an attorney-in-fact on 09/09/2025.