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Seagen CEO Clay Siegall was arrested and charged with domestic assault after a drunken night at his suburban Seattle mansion turned violent, according to police records, raising questions about when the biotech company learned of the incident and how quickly it took action afterward.

On April 23, Siegall, 61, repeatedly shoved his wife to the ground during a late-night dispute, according to an arrest report, resulting in bruises and abrasions. The incident happened after he became enraged when he walked in on his wife in bed with another couple, according to a written statement from a witness. Siegall told police he did not assault his wife.

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