SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person* SONKIN PAUL D (Last) (First) (Middle) 575 MADISON AVENUE 9TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/08/2009	3. Issuer Name and Ticker or Trading Symbol MICROWAVE FILTER CO INC /NY/ [ MFCO ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common stock, $.10 par value(1)	148,178	I	Hummingbird Value Fund, L.P.(2)
Common stock, $.10 par value(1)	200,017	I	Tarsier Nanocap Value Fund, L.P.(3)
Common stock, $.10 par value(1)	364,792	I	Hummingbird Management, LLC(4)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* SONKIN PAUL D (Last) (First) (Middle) 575 MADISON AVENUE 9TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* HUMMINGBIRD VALUE FUND LP (Last) (First) (Middle) 575 MADISON AVENUE 9TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) X Other (specify below) See explanation of responses

1. Name and Address of Reporting Person* TARSIER NANOCAP VALUE FUND, LP (Last) (First) (Middle) 575 MADISON AVENUE 9TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) X Other (specify below) See explanation of responses

1. Name and Address of Reporting Person* HUMMINGBIRD MANAGEMENT LLC (Last) (First) (Middle) 575 MADISON AVENUE 9TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* HUMMINGBIRD CAPITAL LLC (Last) (First) (Middle) 575 MADISON AVENUE 9TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. This Form 3 is filed jointly by Hummingbird Value Fund, L.P. ("Hummingbird Value"), Tarsier Nanocap Value Fund, L.P. ("Tarsier"), Hummingbird Capital, LLC ("Hummingbird Capital"), Hummingbird Management, LLC ("Hummingbird Management") and Paul D. Sonkin (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively owns more than 10% of the Issuer's outstanding Shares. Each of the Reporting Persons disclaims beneficial ownership of the Shares reported herein except to the extent of his or its pecuniary interest therein.

2. Shares owned directly by Hummingbird Value. As the general partner of Hummingbird Value, Hummingbird Capital may be deemed to beneficially own the Shares owned directly by Hummingbird Value. As the investment manager of Hummingbird Value, Hummingbird Management may be deemed to beneficially own the Shares owned directly by Hummingbird Value. As the managing member of each of Hummingbird Capital and Hummingbird Management, Mr. Sonkin may be deemed to beneficially own the Shares owned directly by Hummingbird Value.

3. Shares owned directly by Tarsier. As the general partner of Tarsier, Hummingbird Capital may be deemed to beneficially own the Shares owned directly by Tarsier. As the investment manager of Tarsier, Hummingbird Management may be deemed to beneficially own the Shares owned directly by Tarsier. As the managing member of each of Hummingbird Capital and Hummingbird Management, Mr. Sonkin may be deemed to beneficially own the Shares owned directly by Tarsier.

4. Shares held in certain accounts managed by Hummingbird Management. As the managing member of Hummingbird Management, Mr. Sonkin may be deemed to beneficially own the Shares held in such managed accounts.

	Paul D. Sonkin	03/19/2012
	Hummingbird Value Fund, L.P., By:Hummingbird Capital, LLC, By: /s/Paul D. Sonkin, Managing Member	03/19/2012
	Hummingbird Capital, LLC, By: /s/Paul D. Sonkin, Managing Member	03/19/2012
	Hummingbird Management, LLC, By: /s/Paul D. Sonkin, Managing Member	03/19/2012
	Tarsier Nanocap Value Fund, L.P., By:Hummingbird Capital, LLC, By: /s/Paul D. Sonkin, Managing Member	03/19/2012
	** 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 5 (b)(v).
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