SEC FORM 4/A

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

1. Name and Address of Reporting Person^*

GEORGE MARCUS J

(Last)

(First)

(Middle)

10 SOUTH WACKER DRIVE

(Street)

CHICAGO

60606

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Thermon Group Holdings, Inc. [ THR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
05/10/2011

4. If Amendment, Date of Original Filed (Month/Day/Year)
05/10/2011

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/10/2011		S		4,305,008	D	$11.16⁽¹⁾	9,552,017	I	See Footnote⁽²⁾
Common Stock⁽⁴⁾	05/10/2011		J		72,458	D	$0	9,479,559	I	See Footnote⁽³⁾
Common Stock⁽⁵⁾	05/10/2011		P		3,000	A	$12	3,842	D

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This amount represents the $12.00 initial public offering price per share less the underwriting discount of $0.84 per share.

2. CHS Private Equity V LP is the record holder of these securities. Reporting person is a limited partner of CHS Management V LP, which is the general partner of CHS Private Equity V LP. Reporting person disclaims beneficial ownership of the securities except to the extent of a pecuniary interest therein.

3. CHS Private Equity V LP made a distribution of the net proceeds received by it from the initial public offering of the Issuer to its partners. CHS Management V LP, its general partner, elected to receive a portion of its distribution in the form of the Issuer's common stock and received 72,458 shares in respect thereof. Reporting person has a direct interest in 842 of those shares. Reporting person disclaims beneficial ownership of the other 71,616 shares distributed to CHS Management V LP, except to the extent of a pecuniary interest therein.

4. This transaction was omitted from the reporting person's original Form 4.

5. These shares were omitted from the reporting person's original Form 4.

	/s/ Marcus George, by Sarah Alexander as attorney-in-fact	03/20/2012
	** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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