A senior Celestica Inc. insider sold his remaining 23,396 shares for $8.5 million on September 23, 2026, leaving him with no reported holdings, according to a SEDI filing.
What the filing shows
Robert Andrew Mionis, who holds the roles of Director of Issuer and 5 - Senior Officer of Issuer at Celestica Inc. (TSX:CLS), sold 23,396 shares of the company at an average price of $364.22 per share, for a total value of $8.5 million, according to a filing on SEDI (System for Electronic Disclosure by Insiders).
The transaction took place on September 23, 2026, and was reported to SEDI on September 25, 2026. Insiders of Canadian public companies, including directors and senior officers, generally must report trades within five calendar days, according to background on the SEDI system.
Following the sale, Mionis was left with no reported holdings in Celestica Inc. The filing described the change simply: the sale left the insider with no reported holdings.
Robert Andrew Mionis's trading at Celestica Inc.
Over the last 12 months, Mionis has recorded 9 sale transactions at Celestica Inc. totalling $130.7 million, according to SEDI records.
The September 23, 2026 sale, which reduced his position to zero, was the most recent of those transactions and brought his reported ownership at the company to nil.
Other insider activity at Celestica Inc.
Todd Christopher Cooper, a Senior Officer of Issuer at Celestica Inc., also sold shares in the company in the same period, with a total value of $7.2 million, according to SEDI. His latest reported trade date was September 23, 2026, the same date as the Mionis transaction.
Looking more broadly at the company over the past 12 months, SEDI records show 8 insiders at Celestica Inc. reported sales totalling $257.9 million, while 1 insider reported purchases totalling $2.1 million.
In the last 90 days, SEDI recorded 2 insider trade reports of $100k or more at Celestica Inc., both classified as sales. No purchases of that size were reported in the same period.
Share price context
Celestica Inc. shares closed the week at $527.94 as of September 24, 2026, according to weekly closing price data.
Over the past 52 weeks, the stock's weekly closing price has ranged from a high of $636.06 to a low of $332.02.
The September 23, 2026 sale by Mionis, at an average price of $364.22 per share, was completed at a price below that week's closing level and within the 52-week trading range reported for the stock.
