Silvaco CEO Babak Taheri departs; Walden Rhines appointed as new CEO

Silvaco Group, Inc.

Dr. Babak Taheri steps down as CEO effective Aug 19, 2025; separation includes $975,484 cash severance, 126,161 RSUs accelerated.
Board appoints Dr. Walden Rhines as CEO; he previously served on Silvaco board and led Mentor Graphics for 23 years.
Rhines employment term through March 31, 2027; base salary $160,000; eligible for PRSUs worth up to $6.25M based on stock price.
Rhines severance ranges from $500,000 (6 months) to $1,000,000 (12+ months) plus accelerated PRSUs.

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