Filing search / Underwriting / Ceco Environmental Corp.

SC 13G/A

EX-1

CECO Ceco Environmental Corp.

26 Jan 23

CECO ENVIRONMENTAL / Trigran Investments ownership change

12:00am

SC 13G/A

EX-1

Trigran Investments, Inc.

10 Feb 22

CECO ENVIRONMENTAL / Trigran Investments ownership change

2:11pm

SC 13G/A

EX-1

CECO Ceco Environmental Corp.

12 Feb 20

Beneficial ownership report (amended)

4:11pm

SC 13G/A

EX-1

Trigran Investments, Inc.

27 Aug 19

Ceco Environmental Corp

4:49pm

SC 13G/A

EX-1

CECO Ceco Environmental Corp.

14 Feb 19

Ceco Environmental Corp

4:15pm

SC 13G/A

EX-1

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14 Feb 18

Ceco Environmental Corp

12:00am

SC 13G

EX-1

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11 Dec 17

Ceco Environmental Corp

12:00am

SC 13G/A

EX-1

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13 Feb 17

Ceco Environmental Corp

12:00am

SC 13G

EX-1

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11 Feb 16

Ceco Environmental Corp

12:00am

8-K

EX-1

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8 Feb 05

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

12:00am