Form 4 Filing for Venkatasubramanian Somasundhar

On September 15, 2026, Venkatasubramanian Somasundhar, Vice President, Chief Information Technology Officer, acquired 300 shares of Common stock through the settlement of Restricted Stock Units (RSUs). The RSUs were granted on September 15, 2025, under the Cooper-Standard Holdings Inc. 2021 Omnibus Incentive Plan, with one-third vesting annually over three years. Concurrently, Somasundhar disposed of 86 shares of Common stock at $23.08 per share. Following these transactions, Somasundhar holds 24,668 shares of Common stock directly. The RSUs, which settled with 300 shares, resulted in 600 shares held post-transaction.