SEC Form 5
FORM 5 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
  
Form 3 Holdings Reported.
X
Form 4 Transactions Reported.
1. Name and Address of Reporting Person*
DEZWIREK PHILLIP

(Last) (First) (Middle)
2300 YONGE STREET, SUITE 1710

(Street)
TORONTO A6 M4P 1E4

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
CECO ENVIRONMENTAL CORP [ CECE ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director X 10% Owner
X Officer (give title below) Other (specify below)
Chairman
3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2010
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Amount (A) or (D) Price
Common Stock 09/01/2010 P4 1,500 A $5.82(1) 592,212 D
Common Stock 09/02/2010 P4 500 A $5.8 592,712 D
Common Stock 09/08/2010 P4 7,500 A $5.57(2) 600,212 D
Common Stock 09/09/2010 P4 1,600 A $5.71(3) 601,812 D
Common Stock 09/13/2010 P4 2,800 A $5.73(4) 604,612 D
Common Stock 09/14/2010 P4 2,000 A $5.82(5) 606,612 D
Common Stock 09/15/2010 P4 200 A $5.76(6) 606,812 D
Common Stock 09/16/2010 P4 2,600 A $5.69(7) 609,412 D
Common Stock 09/23/2010 P4 1,500 A $5.96(8) 610,912 D
Common Stock 09/28/2010 P4 4,000 A $5.92(9) 614,912 D
Common Stock 09/29/2010 P4 600 A $5.94(10) 615,512 D
Common Stock 09/30/2010 P4 2,500 A $5.94(11) 618,012 D
Common Stock 10/01/2010 P4 300 A $5.95(12) 618,312 D
Common Stock 10/04/2010 P4 6,700 A $5.86(13) 625,012 D
Common Stock 10/05/2010 P4 4,000 A $5.96(14) 629,012 D
Common Stock 10/06/2010 P4 2,800 A $6.02(15) 631,812 D
Common Stock 10/07/2010 P4 1,000 A $6.27 632,812 D
Common Stock 11/15/2010 P4 99 A $5.49 632,911 D
Common Stock 11/16/2010 P4 1,500 A $5.32(16) 634,411 D
Common Stock 4,700 I By Retirement Account of spouse
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Warrant (right to buy) $9.07 12/28/2006 12/28/2016 Common Stock 250,000 250,000 I By Icarus Investment Corp.(17)
6% Convertible Debenture (right to buy) $4 11/26/2009 11/26/2014 Common Stock 550,000 550,000 I By Icarus Investment Corp.(17)
Explanation of Responses:
1. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.80 to $5.83, inclusive. The reporting person undertakes to provide to CECO Environmental Corp., any security holder of CECO Environmental Corp., or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes 1 through 16 in this Form 5.
2. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.54 to $5.70, inclusive
3. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.70 to $5.71, inclusive
4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.55 to $5.77, inclusive.
5. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.79 to $5.84, inclusive.
6. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.65 to $5.87, inclusive.
7. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.57 to $5.76, inclusive.
8. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.95 to $5.96, inclusive.
9. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.88 to $5.98, inclusive.
10. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.94 to $5.95, inclusive.
11. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.79 to $5.99, inclusive.
12. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.90 to $5.98, inclusive.
13. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.82 to $6.00, inclusive.
14. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.87 to $6.00, inclusive.
15. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.94 to $6.08, inclusive.
16. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.29 to $5.34, inclusive.
17. Filer is President of Icarus Investment Corp. and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
Remarks:
8 of 8
/s/ Phillip DeZwirek 05/31/2011
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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