The alleged killer of three of chip maker SiPort’s top executives will be arraigned on Wednesday after being arrested without a fight over the weekend. The crime, reportedly perpetrated by fired engineer Jing Hua Wu, stunned Silicon Valley last Friday.

A day after he was let go, Wu allegedly returned to the company’s office and gunned down three executives — Sid Agrawal, chief executive; Brian Pugh, vice president of operations; and Marilyn Lewis, human resources chief — in the middle of a meeting. The Mercury News has an update this morning.

SiPort has established a memorial fund for the victims of the shootings, in agreement with the bereaved families. The funds will go toward charitable causes identified by the families, according to Aiman Kabakibo, founder and new chief executive. He thanked the community, customers and investors for their support.

Checks should be made out to the Silicon Valley Community Foundation, noting “SiPort Memorial Fund” on the memo line, and mailed to 3255 Scott Boulevard, Santa Clara, CA 95054. Contributions are tax deductible.