FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Lacuna LLC   2. Issuer Name and Ticker or Trading Symbol TUCOWS INC /PA/ [TCX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1100 SPRUCE STREET, SUITE 202 3. Date of Earliest Transaction (Month/Day/Year) 12/13/2010 (Street) BOULDER, CO 80302 4. If Amendment, Date 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 (City) (State) (Zip) 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 Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/13/2010   S   468,611 D $ 0.74 0 I See Footnote (1) Common Stock 12/13/2010   P   468,611 A $ 0.74 8,040,720 I See Footnote (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Lacuna LLC 1100 SPRUCE STREET SUITE 202 BOULDER, CO 80302		X
Lacuna Venture Fund LLLP 1100 SPRUCE STREET SUITE 202 BOULDER, CO 80302		X
Lacuna Ventures GP LLLP 1100 SPRUCE STREET SUITE 202 BOULDER, CO 80302		X
Lacuna Hedge Fund LLLP 1100 SPRUCE STREET SUITE 202 BOULDER, CO 80302		X
Lacuna Hedge GP LLLP 1100 SPRUCE STREET SUITE 202 BOULDER, CO 80302		X

Signatures

/s/ Laura M. Medina as Attorney in Fact for Lacuna, LLC		12/15/2010
**Signature of Reporting Person		Date
/s/ Laura M. Medina as Attorney in Fact for Lacuna Venture Fund LLLP		12/15/2010
**Signature of Reporting Person		Date
/s/ Laura M. Medina as Attorney in Fact for Lacuna Ventures GP LLLP		12/15/2010
**Signature of Reporting Person		Date
/s/ Laura M. Medina as Attorney in Fact for Lacuna Hedge Fund LLLP		12/15/2010
**Signature of Reporting Person		Date
/s/ Laura M. Medina as Attorney in Fact for Lacuna Hedge GP LLLP		12/15/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	These shares were sold by Lacuna Venture Fund LLLP ("Lacuna Venture"). The shares sold by Lacuna Venture were indirectly owned by Lacuna LLC ("Lacuna LLC") and Lacuna Ventures GP LLLP ("Lacuna Ventures GP"). Lacuna LLC serves as the sole general partner of Lacuna Ventures GP, which serves as the sole general partner of Lacuna Venture. Neither Lacuna LLC nor Lacuna Ventures GP directly owns any securities of the Issuer. Each of Lacuna LLC and Lacuna Ventures GP disclaims beneficial ownership of the securities sold by Lacuna Venture, except to the extent of its pecuniary interest therein.
(2)	These shares are held by Lacuna Hedge Fund LLLP ("Lacuna Hedge") and are indirectly owned by Lacuna LLC and Lacuna Hedge GP LLLP ("Lacuna Hedge GP"). Lacuna LLC serves as the sole general partner of Lacuna Hedge GP, which serves as the sole general partner of Lacuna Hedge. Neither Lacuna LLC nor Lacuna Hedge GP directly owns any securities of the Issuer. Each of Lacuna LLC and Lacuna Hedge GP disclaims beneficial ownership of the securities held by Lacuna Hedge, except to the extent of its pecuniary interest therein.
Remarks: This Form 4 is filed by Lacuna, LLC ("Lacuna LLC"), Lacuna Venture Fund LLLP ("Lacuna Venture"), Lacuna Hedge Fund LLLP ("Lacuna Hedge"), Lacuna Ventures GP LLLP ("Lacuna Ventures GP"), and Lacuna Hedge GP LLLP ("Lacuna Hedge GP" and, together with Lacuna LLC, Lacuna Venture, Lacuna Hedge and Lacuna Ventures GP, the "Lacuna Entities"). The Lacuna Entities expressly disclaim status as a "group" for purposes of this Form 4.

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