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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Attanasi Louis J   2. Issuer Name and Ticker or Trading Symbol BLACKBAUD INC [BLKB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Senior VP of Product Dev (Last) (First) (Middle) 2000 DANIEL ISLAND DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 05/10/2011 (Street) CHARLESTON, SC 29492 4. If Amendment, Date 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 (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 05/10/2011   M   6,000 A $ 26.75 76,483 D   Common Stock 05/10/2011   D   5,733 D $ 28 70,750 D   Common Stock 05/10/2011   F(1)   90 D $ 28 70,660 D   Common Stock 05/10/2011   S(2)   166 D $ 28 70,494 D   Common Stock 05/10/2011   M   12,000 A $ 26.75 82,494 D   Common Stock 05/10/2011   D   11,167 D $ 28.77 (3) 71,327 D   Common Stock 05/10/2011   F(1)   280 D $ 28.77 (3) 71,047 D   Common Stock 05/10/2011   S(2)   518 D $ 28.77 (3) 70,529 D   Common Stock               20,078 I GRAT

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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

Stock Appreciation Right

$ 26.75

05/10/2011

M(2)

18,000

11/09/2009

11/10/2011

Common Stock

18,000

$ 0

0

D

Stock Appreciation Right

$ 26.11

(4)

11/07/2014

Common Stock

43,333

43,333

D

Stock Appreciation Right

$ 12.4

(5)

11/08/2015

Common Stock

10,834

10,834

D

Stock Appreciation Right

$ 26.79

(6)

11/07/2017

Common Stock

24,182

24,182

D

Stock Appreciation Right

$ 22.34

(7)

11/10/2019

Common Stock

23,500

23,500

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Attanasi Louis J 2000 DANIEL ISLAND DRIVE CHARLESTON, SC 29492			Senior VP of Product Dev

Signatures

/s/ Donald R. Reynolds, Attorney-in-Fact		05/12/2011
**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)	Represents shares forfeited to the company in connection with the satisfaction of tax liabilities incurred upon the exercise of stock appreciation rights.
(2)	The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 21, 2011 and effective on February 24, 2011.
(3)	This transaction was executed in multiple trades at prices ranging from $28.50 to $29.00. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
(4)	Represents a stock appreciation right which vests in four equal annual installments beginning on November 6, 2008, subject to continued employment, and shall be settled in stock at time of exercise.
(5)	Represents a stock appreciation right which vests in four equal installments beginning on November 7, 2009, subject to continued employment, and shall be settled in stock at time of exercise.
(6)	Represents a stock appreciation right which vests in four equal annual installments beginning on November 8, 2011, subject to continued employment, and shall be settled in stock at time of exercise.
(7)	Represents a stock appreciation right which vests in four equal annual installments beginning on November 10, 2010, subject to continued employment.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.