Form4insider filings, from the source

Company · CIK 0001030894 · SIC 3672 — Printed Circuit Boards · NYSE

CELESTICA INC · CLS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $151.0M · 12net −$151.0M
$10k$10k$1M$1M$100M$100MbuyssalesJun 14Jul 1Jul 18Aug 4Aug 21Sep 7Sep 24

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 SForm 4 →Sep 24, 5:33 pm EDTTodd C CooperPresident20,118$360.00$7,242,48073,252−21.5%10b5-1
Sep 23, 2026 SForm 4 →Sep 24, 5:33 pm EDTRobert MionisChief Executive Officer, Director23,396$364.22$8,521,2170−100%10b5-1
Aug 13, 2026 SForm 4 →Aug 14, 4:12 pm EDTRobert MionisChief Executive Officer, Director23,496$362.39$8,514,64423,396−50.1%10b5-1
Aug 5, 2026 SForm 4 →Aug 6, 8:20 pm EDTRobert MionisChief Executive Officer, Director51,061$368.41$18,811,13346,892−52.1%10b5-1
Aug 4, 2026 SForm 4 →Aug 6, 8:19 pm EDTRobert MionisChief Executive Officer, Director98,453$368.99$36,328,09297,953−50.1%10b5-1
Aug 4, 2026 SForm 4 →Aug 6, 8:18 pm EDTMandeep ChawlaChief Financial Officer16,117$369.32$5,952,34865,444−19.8%10b5-1
Jul 31, 2026 SForm 4 →Aug 3, 6:19 pm EDTRobert MionisChief Executive Officer, Director9,543$367.49$3,506,91850,841−15.8%10b5-1
Jul 31, 2026 SForm 4 →Aug 3, 6:16 pm EDTMandeep ChawlaChief Financial Officer883$366.52$323,63581,561−1.07%10b5-1
Jun 30, 2026 FMForm 4 →Jul 2, 4:17 pm EDTRobert CascellaDirector89$343.25$1,716226—
Jun 30, 2026 FMForm 4 →Jul 2, 4:17 pm EDTJill KaleDirector164$343.25$3,089416—
Jun 17, 2026 SForm 4 →Jun 17, 8:54 pm EDTRobert MionisChief Executive Officer, Director18,176$385.17$7,000,83560,384−23.1%10b5-1
Jun 16, 2026 SForm 4 →Jun 17, 8:54 pm EDTRobert MionisChief Executive Officer, Director55,768$386.96$21,580,05078,560−41.5%10b5-1
Jun 15, 2026 SForm 4 →Jun 17, 8:53 pm EDTRobert MionisChief Executive Officer, Director66,056$400.06$26,426,178134,328−33.0%10b5-1
Jun 15, 2026 SForm 4 →Jun 17, 8:52 pm EDTMandeep ChawlaChief Financial Officer17,000$399.65$6,794,07882,444−17.1%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 11, 2026 AForm 4 →Aug 12, 4:46 pm EDTRobert MionisChief Executive Officer, Director1,271——1,271—
Aug 11, 2026 AForm 4 →Aug 12, 4:46 pm EDTDavid ReederDirector133——700—
Aug 11, 2026 AForm 4 →Aug 12, 4:46 pm EDTChristopher W. ColpittsDirector190——1,000—
Aug 11, 2026 AForm 4 →Aug 12, 4:46 pm EDTAmar MaletiraDirector142——781—
Aug 11, 2026 AForm 4 →Aug 12, 4:46 pm EDTLaurette T KoellnerDirector317——1,127—
Aug 11, 2026 AForm 4 →Aug 12, 4:46 pm EDTJill KaleDirector190——1,000—
Aug 11, 2026 AForm 4 →Aug 12, 4:45 pm EDTFrancoise ColpronDirector203——1,072—
Aug 11, 2026 AForm 4 →Aug 12, 4:44 pm EDTRobert CascellaDirector142——761—
Aug 11, 2026 AForm 4 →Aug 12, 4:44 pm EDTKulvinder AhujaDirector133——700—
Jun 30, 2026 MForm 4 →Jul 2, 4:17 pm EDTRobert CascellaDirector84——169—
Jun 30, 2026 MForm 4 →Jul 2, 4:17 pm EDTJill KaleDirector155——311—