MIONIS ROBERT (Chief Executive Officer) sold 41.5% of their position (55.77K shares) of CELESTICA INC on the open market

Open‑market sale worth $21.58M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 15 sales

MIONIS ROBERT

Filed: 6/18/2026ACC: 0001193125-26-274665

InsiderMIONIS ROBERTCIK 1195655

→

IssuerCELESTICA INCCIK 1030894

DirectorOfficer· Chief Executive Officer

Since Feb 2026

-55.77K

Net shares

Net seller

$21.58M

Total sold

Open market trades

0B · 15S

Total transactions

55.77K disposed

Non-Derivative Transactions15

Common Shares

Indirect

S · Sale

−4.78K

Price / share

$382.21

Trade value

$1.83M

% of position

3.6%

6/16/2026

134.33K→129.55K

Common Shares

Indirect

S · Sale

−5.89K

Price / share

$383.14

Trade value

$2.26M

% of position

4.5%

6/16/2026

129.55K→123.66K

Common Shares

Indirect

S · Sale

−5.30K

Price / share

$384.05

Trade value

$2.04M

% of position

4.3%

6/16/2026

123.66K→118.36K

Common Shares

Indirect

S · Sale

−6.84K

Price / share

$385.09

Trade value

$2.63M

% of position

5.8%

6/16/2026

118.36K→111.52K

Common Shares

Indirect

S · Sale

−5.83K

Price / share

$386.18

Trade value

$2.25M

% of position

5.2%

6/16/2026

111.52K→105.70K

Common Shares

Indirect

S · Sale

−7.02K

Price / share

$387.05

Trade value

$2.72M

% of position

6.6%

6/16/2026

105.70K→98.68K

Common Shares

Indirect

S · Sale

−4.31K

Price / share

$388.09

Trade value

$1.67M

% of position

4.4%

6/16/2026

98.68K→94.37K

Common Shares

Indirect

S · Sale

−3.15K

Price / share

$389.06

Trade value

$1.23M

% of position

3.3%

6/16/2026

94.37K→91.22K

Common Shares

Indirect

S · Sale

−3.87K

Price / share

$390.13

Trade value

$1.51M

% of position

4.2%

6/16/2026

91.22K→87.34K

Common Shares

Indirect

S · Sale

−1.79K

Price / share

$391.17

Trade value

$701.37K

% of position

2.1%

6/16/2026

87.34K→85.55K

Common Shares

Indirect

S · Sale

−2.42K

Price / share

$392.24

Trade value

$948.44K

% of position

2.8%

6/16/2026

85.55K→83.13K

Common Shares

Indirect

S · Sale

−1.59K

Price / share

$393.06

Trade value

$626.93K

% of position

1.9%

6/16/2026

83.13K→81.54K

Common Shares

Indirect

S · Sale

−868.00

Price / share

$394.05

Trade value

$342.04K

% of position

1.1%

6/16/2026

81.54K→80.67K

Common Shares

Indirect

S · Sale

−1.51K

Price / share

$394.95

Trade value

$596.77K

% of position

1.9%

6/16/2026

80.67K→79.16K

Common Shares

Indirect

S · Sale

−600.00

Price / share

$395.86

Trade value

$237.52K

% of position

0.8%

6/16/2026

79.16K→78.56K

Total

Net shares

−55.77K

Net value

-$21.58M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Indirect	6/16/2026	S · Sale	−4.78K	$382.21	$1.83M	3.6%	134.33K	129.55K
Common Shares Indirect	6/16/2026	S · Sale	−5.89K	$383.14	$2.26M	4.5%	129.55K	123.66K
Common Shares Indirect	6/16/2026	S · Sale	−5.30K	$384.05	$2.04M	4.3%	123.66K	118.36K
Common Shares Indirect	6/16/2026	S · Sale	−6.84K	$385.09	$2.63M	5.8%	118.36K	111.52K
Common Shares Indirect	6/16/2026	S · Sale	−5.83K	$386.18	$2.25M	5.2%	111.52K	105.70K
Common Shares Indirect	6/16/2026	S · Sale	−7.02K	$387.05	$2.72M	6.6%	105.70K	98.68K
Common Shares Indirect	6/16/2026	S · Sale	−4.31K	$388.09	$1.67M	4.4%	98.68K	94.37K
Common Shares Indirect	6/16/2026	S · Sale	−3.15K	$389.06	$1.23M	3.3%	94.37K	91.22K
Common Shares Indirect	6/16/2026	S · Sale	−3.87K	$390.13	$1.51M	4.2%	91.22K	87.34K
Common Shares Indirect	6/16/2026	S · Sale	−1.79K	$391.17	$701.37K	2.1%	87.34K	85.55K
Common Shares Indirect	6/16/2026	S · Sale	−2.42K	$392.24	$948.44K	2.8%	85.55K	83.13K
Common Shares Indirect	6/16/2026	S · Sale	−1.59K	$393.06	$626.93K	1.9%	83.13K	81.54K
Common Shares Indirect	6/16/2026	S · Sale	−868.00	$394.05	$342.04K	1.1%	81.54K	80.67K
Common Shares Indirect	6/16/2026	S · Sale	−1.51K	$394.95	$596.77K	1.9%	80.67K	79.16K
Common Shares Indirect	6/16/2026	S · Sale	−600.00	$395.86	$237.52K	0.8%	79.16K	78.56K
Total			−55.77K		-$21.58M

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)3

Common Shares

Indirect

Shares owned145.56K

Common Shares

Direct

Shares owned453.70K

Common Shares

Indirect

Shares owned210.44K

Total

453.70K direct·356.01K indirect809.71K

Security Title	Shares Owned	Ownership Type
Common Shares	145.56K	Indirect
Common Shares	453.70K	Direct
Common Shares	210.44K	Indirect
Total	809.71K	453.70K direct·356.01K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported