Edgar Filing: TA SUBORDINATED DEBT FUND LP

Ownership Submission

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 ^*

TA ASSOCIATES INC

2. Issuer Name and Ticker or Trading Symbol
Eagle Test Systems, Inc. [EGLT]

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)

JOHN HANCOCK TOWER, 200 CLARENDON ST, 56TH FLOOR

3. Date of Earliest Transaction (Month/Day/Year)
11/14/2008

(Street)

BOSTON, MA 02116

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)
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	11/14/2008		D		4,372,014 ⁽¹⁾	D	$ 15.65 ⁽¹¹⁾	0	I	See Footnote 6 ⁽⁶⁾
Common Stock	11/14/2008		D		1,234,603 ⁽²⁾	D	$ 15.65 ⁽¹¹⁾	0	I	See Footnote 7 ⁽⁷⁾
Common Stock	11/14/2008		D		89,492 ⁽³⁾	D	$ 15.65 ⁽¹¹⁾	0	I	See Footnote 8 ⁽⁸⁾
Common Stock	11/14/2008		D		16,060 ⁽⁴⁾	D	$ 15.65 ⁽¹¹⁾	0	I	See Footnote 9 ⁽⁹⁾
Common Stock	11/14/2008		D		347,527 ⁽⁵⁾	D	$ 15.65 ⁽¹¹⁾	0	I	See Footnote 10 ⁽¹⁰⁾

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

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
TA ASSOCIATES INC JOHN HANCOCK TOWER 200 CLARENDON ST, 56TH FLOOR BOSTON, MA 02116	X	X
TA IX LP JOHN HANCOCK TOWER 200 CLARENDON ST. 56TH FLOOR BOSTON, MA 02116				See General Remarks
TA ASSOCIATES IX LLC JOHN HANCOCK TOWER 200 CLARENDON ST. 56TH FLOOR BOSTON, MA 02116				See General Remarks
TA / ATLANTIC & PACIFIC IV LP JOHN HANCOCK TOWER 200 CLARENDON ST. 56TH FLOOR BOSTON, MA 02116				See General Remarks
TA ASSOCIATES AP IV LP JOHN HANCOCK TOWER 200 CLARENDON ST. 56TH FLOOR BOSTON, MA 02116				See General Remarks
TA ASSOCIATES STRATEGIC PARTNERS FUND A LP JOHN HANCOCK TOWER 200 CLARENDON ST 56TH FLOOR BOSTON, MA 02116				See General Remarks
TA ASSOCIATES STRATEGIC PARTNERS FUND B LP JOHN HANCOCK TOWER 200 CLARENDON ST 56TH FLOOR BOSTON, MA 02116				See General Remarks
TA ASSOCIATES SPF LP JOHN HANCOCK TOWER 200 CLARENDON ST. 56TH FLOOR BOSTON, MA 02116				See General Remarks
TA SUBORDINATED DEBT FUND LP JOHN HANCOCK TOWER 200 CLARENDON ST. 56TH FLOOR BOSTON, MA 02116				See General Remarks
TA ASSOCIATES SDF LLC JOHN HANCOCK TOWER 200 CLARENDON ST. 56TH FLOOR BOSTON, MA 02116				See General Remarks

Signatures

TA Associates, Inc., By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA IX L.P., By TA Associates IX LLC, Its General Partner, By TA Associates, Inc., Its Manager, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA Associates IX LLC, By TA Associates, Inc., Its Manager, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA/Atlantic and Pacific IV L.P., By TA Associates AP IV L.P., Its General Partner, By TA Associates, Inc., Its General Partner, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA Associates AP IV L.P., By TA Associates, Inc., Its General Partner, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA Strategic Partners Fund A L.P., By TA Associates SPF L.P., Its General Partner, By TA Associates, Inc., Its General Partner, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA Strategic Partners Fund B L.P., By TA Associates SPF L.P., Its General Partner, By TA Associates, Inc., Its General Partner, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA Associates SPF L.P., By TA Associates, Inc., Its General Partner, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA Subordinated Debt Fund L.P., By TA Associates SDF LLC, Its General Partner, By TA Associates, Inc., Its Manager, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**Signature of Reporting Person		Date
TA Associates SDF LLC, By TA Associates, Inc., Its Manager, By Thomas P. Alber, Chief Financial Officer		11/18/2008
^**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 securities were sold solely by TA IX L.P.
(2)	These securities were sold solely by TA/Atlantic and Pacific IV L.P.
(3)	These securities were sold solely by TA Strategic Partners Fund A L.P.
(4)	These securities were sold solely by TA Strategic Partners Fund B L.P.
(5)	These securities were sold solely by TA Subordinated Debt Fund L.P.
(6)	These securities were owned solely by TA IX L.P. TA Associates, Inc. is the Manager of TA Associates IX LLC, which is the General Partner of TA IX L.P.
(7)	These securities were owned solely by TA/Atlantic and Pacific IV L.P. TA Associates, Inc. is the General Partner of TA Associates AP IV L.P., which is the General Partner of TA/Atlantic and Pacific IV L.P.
(8)	These securities were owned solely by TA Strategic Partners Fund A L.P. TA Associates, Inc. is the General Partner of TA Associates SPF L.P., which is the General Partner of TA Strategic Partners Fund A L.P.
(9)	These securities were owned solely by TA Strategic Partners Fund B L.P. TA Associates, Inc. is the General Partner of TA Associates SPF L.P., which is the General Partner of TA Strategic Partners Fund B L.P.
(10)	These securities were owned solely by TA Subordinated Debt Fund L.P. TA Associates, Inc. is the Manager of TA Associates SDF LLC, which is the General Partner of TA Subordinated Debt Fund L.P.
(11)	Pursuant to the Agreement and Plan of Merger, dated as of September 1, 2008, by and among Teradyne, Inc., Turin Acquisition Corp., and Eagle Test Systems, Inc. (the "Merger Agreement"), each of these shares of Common Stock was converted at the Effective Time of the Merger Agreement into the right to receive $15.65 per share in cash, without interest and less any required withholding taxes (the "Merger Consideration").
Remarks: Due to the limit of joint filers that can be included on one form, TA Associates Inc., TA IX L.P., TA/Atlantic and Pacific IV L.P., TA Strategic Partners Fund A L.P., TA Strategic Partners Fund B L.P., TA Subordinated Debt Fund L.P., and TA Investors LLC have filed two seperate forms simultaneously, which relate to the same securities of the Issuer held by such Reporting Persons.

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