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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(Print or Type Responses)

1. Name and Address of Reporting Person * Cumbaa Charles T   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, Products & Services (Last) (First) (Middle) 2000 DANIEL ISLAND DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 08/20/2007 (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 08/20/2007   M   18,382 A $ 5.44 50,908 D   Common Stock 10/24/2007   G(1)   1,500 D $ 0 49,408 D   Common Stock 10/24/2007   G(2)   750 A $ 0 750 I By Chelsea Michelle Cumbaa Irrevocable Trust Common Stock 10/24/2007   G(3)   750 A $ 0 750 I By Alexander Thomas Cumbaa Irrevocable Trust Common Stock 12/19/2008   G(1)   1,000 D $ 0 48,408 D   Common Stock 12/19/2008   G(2)   500 A $ 0 1,250 I By Chelsea Michelle Cumbaa Irrevocable Trust Common Stock 12/19/2008   G(3)   500 A $ 0 1,250 I By Alexander Thomas Cumbaa Irrevocable Trust Common Stock 07/15/2009   G(1)   1,000 D $ 0 47,408 D   Common Stock 07/15/2009   G(2)   500 A $ 0 1,750 I By Chelsea Michelle Cumbaa Irrevocable Trust Common Stock 07/15/2009   G(3)   500 A $ 0 1,750 I By Alexander Thomas Cumbaa Irrevocable Trust

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

Stock Option (Right to Buy)

$ 5.44

08/20/2007

M

18,382

(4)

10/18/2012

Common Stock

70,000

$ 0

51,618

D

Stock Appreciation Right

$ 26.75

11/09/2009

11/10/2011

Common Stock

24,774

24,774

D

Stock Appreciation Right

$ 26.11

(5)

11/07/2014

Common Stock

53,333

53,333

D

Stock Appreciation Right

$ 12.4

(6)

11/08/2015

Common Stock

26,667

26,667

D

Stock Appreciation Right

$ 22.34

(7)

11/11/2016

Common Stock

25,500

25,500

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Cumbaa Charles T 2000 DANIEL ISLAND DRIVE CHARLESTON, SC 29492			Senior VP, Products & Services

Signatures

/s/ Charles T. Cumbaa		04/22/2010
**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)	Represents a gift of securities to the Chelsea Michelle Cumbaa Irrevocable Trust for the benefit of Mr. Cumbaa's daughter and the Alexander Thomas Cumbaa Irrevocable Trust for the benefit of Mr. Cumbaa's son. Mr. Cumbaa is the trustee of both trusts.
(2)	Represents a gift of securities by Mr. Cumbaa to the Chelsea Michelle Cumbaa Irrevocable Trust.
(3)	Represents a gift of securities by Mr. Cumbaa to the Alexander Thomas Cumbaa Irrevocable Trust.
(4)	The option vested in four equal installments beginning October 18, 2003.
(5)	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.
(6)	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.
(7)	Represents a stock appreciation right which vests in four equal annual installments beginning on November 10, 2010, subject to continued employment, and shall be settled in stock at time of exercise.

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