13G Filing: Trigran Investments and CECO Environmental Corp (CECE)

CUSIP No. 125141101

13G

1.

Name of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Steven G. Simon

2.

Check the Appropriate Box if a Member of a Group

(a)

o

(b)

x

3.

SEC Use Only

4.

Citizenship or Place of Organization
U.S. Citizen

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
0

6.

Shared Voting Power
3,642,025 shares of common stock

7.

Sole Dispositive Power
0

8.

Shared Dispositive Power
3,642,025 shares of common stock

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,642,025 shares of common stock

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares  o

11.

Percent of Class Represented by Amount in Row (9)
Approximately 10.5% as of November 30, 2017 (based on 34,707,649 shares of common stock issued and outstanding per CECO Environmental Corp. Form 10-Q dated November 8, 2017).

12.

Type of Reporting Person
IN/HC