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 * KAMIN PETER H   2. Issuer Name and Ticker or Trading Symbol SEITEL INC [SELA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 265 FRANKLIN STREET, 16TH FLOOR,  3. Date of Earliest Transaction (Month/Day/Year) 04/21/2006 (Street) BOSTON, MA 02110 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, par value $.01 04/21/2006   A   20,833 (1) A (2) 51,222,179 D (4)   Common Stock, par value $.01 04/21/2006   A   20,833 (3) A (2) 51,243,012 I See Footnote (4)

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
KAMIN PETER H 265 FRANKLIN STREET, 16TH FLOOR BOSTON, MA 02110	X	X
VA PARTNERS LLC 435 PACIFIC AVENUE FOURTH FLOOR SAN FRANCISCO, CA 94133	X	X
ValueAct Capital Management, L.P. 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO, CA 94133	X	X
ValueAct Capital Management, LLC 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO, CA 94133	X	X
UBBEN JEFFREY W 435 PACIFIC AVENUE, FOURTH FLOOR SAN FRANCISCO, CA 94133		X

Signatures

/s/ Peter H. Kamin		04/25/2006
**Signature of Reporting Person		Date
VA PARTNERS, L.L.C. By:/s/ George F. Hamel. Jr., Managing Member		04/25/2006
**Signature of Reporting Person		Date
VALUEACT CAPITAL MASTER FUND, L.P. By: VA PARTNERS, L.L.C., its General Partner, By:/s/ George F. Hamel. Jr., Managing Member		04/25/2006
**Signature of Reporting Person		Date
VALUEACT CAPITAL MANAGEMENT, L.P., By: VALUEACT CAPITAL MANAGEMENT, LLC, its General Partner, By:/s/ George F. Hamel. Jr., Managing Member		04/25/2006
**Signature of Reporting Person		Date
VALUEACT CAPITAL MANAGEMENT, LLC, By:/s/ George F. Hamel. Jr., Managing Member		04/25/2006
**Signature of Reporting Person		Date
/s/ Jeffrey W. Ubben		04/25/2006
**Signature of Reporting Person		Date
/s/ George F. Hamel, Jr.		04/25/2006
**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)	Received as Peter H. Kamin's compensation for services as director. Grant is of restricted stock that vests as follows: one-third of the restricted stock vests one year from the date of grant, an additional one-third vests two years from date of grant, and the remaining one-third vests three years from the date of the grant.
(2)	Not a required reportable field.
(3)	Received by Gregory P. Spivy as compensation for services as director. Grant is of restricted stock that vests as follows: one-third of the restricted stock vests one year from the date of grant, an additional one-third vests two years from date of grant, and the remaining one-third vests three years from the date of the grant.
(4)	Under an agreement with ValueAct Capital Master Fund, L.P., each of Peter H. Kamin and Gregory P. Spivy is deemed to hold the restricted stock for the benefit of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners, L.L.C. as General Partner of ValueAct Capital Master Fund, L.P. (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P. and (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P. Peter H. Kamin is a director of Seitel, Inc. and Managing Member of VA Partners, LLC and ValueAct Capital Management, L.P. Jeffrey W. Ubben and George F. Hamel, Jr. are Managing Members of VA Partners, L.L.C. and ValueAct Capital Management, LLC. Gregory P. Spivy is a director of Seitel, Inc. and Non-Managing Member of VA Partners, L.L.C. and ValueAct Capital Management, LLC. The reporting persons disclaim beneficial ownership of the reported stock except to the extent of their pecuniary interest therein.
Remarks: Joint Filer Information: Name: ValueAct Capital Master Fund, L.P., Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Seitel, Inc. (SELA) Date of Event Requiring Statement: April 21, 2006 Name: ValueAct Capital Management, L.P. Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Seitel, Inc. (SELA) Date of Event Requiring Statement: April 21, 2006 Name: ValueAct Capital Management, LLC Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Seitel, Inc. (SELA) Date of Event Requiring Statement: April 21, 2006 Name: VA Partners, L.L.C. Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Seitel, Inc. (SELA) Date of Event Requiring Statement: April 21, 2006 Name: Jeffrey W. Ubben Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Seitel, Inc. (SELA) Date of Event Requiring Statement: April 21, 2006 Name: George F. Hamel, Jr. Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Seitel, Inc. (SELA) Date of Event Requiring Statement: April 21, 2006

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