Robert Mionis, chief executive officer of Celestica (CLS), has filed 130 Form 4 transactions across two companies, with every dollar on the sell side. His total sales value is $201.86 million, and he has recorded zero open-market purchases. The recent activity, all in CLS, shows a consistent selling pattern: 24 sales in the last reporting window, with no buys or acquisitions.
The most concentrated selling occurred on September 23, 2026, when Mionis executed eight separate sales totaling roughly $8.58 million. Individual transactions ranged from $105,793.92 to $2.47 million. A similar cluster appeared on August 13, 2026, with six sales worth about $8.42 million, and on August 5, 2026, with ten sales totaling approximately $11.29 million. The largest single transaction in the recent set was $4.96 million on August 5.
One August 11, 2026 filing shows a grant (code A) valued at $0, which is compensation and not a purchase. The pattern is unambiguous: Mionis has been a consistent seller of CLS stock, with no corresponding buys in the recent period. His total sell value across all filings is $201.86 million, and the recent trades continue that direction without interruption.
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