CUSIP No. 282225C103
|
SC 13D |
Page 2 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Oak Hill Capital Partners, L.P.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
CUSIP No. 282225C103
|
SC 13D |
Page 3 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Oak Hill Capital Management Partners, L.P.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
CUSIP No. 282225C103
|
SC 13D |
Page 4 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
OHCP GenPar, L.P.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
CUSIP No. 282225C103
|
SC 13D |
Page 5 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
OHCP MGP, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
|
|
14
|
TYPE OF REPORTING PERSON
OO
|
CUSIP No. 282225C103
|
SC 13D |
Page 6 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Oak Hill Venture Fund I, L.P.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
583,655(1)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
583,655(1)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
583,655(1)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.4%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
(1)
|
583,655 shares of Common Stock are owned directly by Oak Hill Venture Fund I, L.P. through its general partner, OHVF GenPar I, L.P., through OHVF GenPar I, L.P.’s general partner, OHVF MGP I, LLC. See Item 5(a) herein.
|
CUSIP No. 282225C103
|
SC 13D |
Page 7 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
OHVF GenPar I, L.P.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
583,655(2)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
583,655(2)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
583,655(2)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.4%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
(2)
|
Power is exercised by OHVF GenPar I, L.P. in its capacity as general partner to Oak Hill Venture Fund I, L.P. and through its general partner, OHVF MGP I, LLC.
|
CUSIP No. 282225C103
|
SC 13D |
Page 8 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
OHVF MGP I, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
583,655(3)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
583,655(3)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
583,655(3)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.4%
|
|
14
|
TYPE OF REPORTING PERSON
OO
|
(3)
|
See footnote (2) to page relating to OHVF GenPar I, L.P. Power is exercised by OHVF MGP I, LLC in its capacity as general partner to OHVF GenPar I, L.P. and through its sole member, Group Investors, LLC.
|
CUSIP No. 282225C103
|
SC 13D |
Page 9 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Group Investors, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
583,655(4)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
583,655(4)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
583,655(4)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.4%
|
|
14
|
TYPE OF REPORTING PERSON
CO
|
(4)
|
See footnote (3) to page relating to OHVF MGP I, LLC. Power is exercised by Group Investors, LLC in its capacity as sole member of OHVF MGP I, LLC. Group Investors, LLC is 100% owned by Mark Wolfson.
|
CUSIP No. 282225C103
|
SC 13D |
Page 10 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
FW Investors V, L.P.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
1,427,325(5)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
1,427,325(5)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,427,325(5)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.8%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
(5)
|
1,427,325 shares of Common Stock are owned directly by FW Investors V, L.P., through its general partner, FW Management II, LLC. See Item 5(a) herein.
|
CUSIP No. 282225C103
|
SC 13D |
Page 11 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
FW Management II, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
1,427,325(6)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
1,427,325(6)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,427,325(6)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.8%
|
|
14
|
TYPE OF REPORTING PERSON
OO
|
(6)
|
See footnote (5) to page relating to FW Investors V, L.P. Power is exercised by FW Management II, LLC in its capacity as general partner to FW Investors V, L.P. through its sole member, J. Taylor Crandall.
|
CUSIP No. 282225C103
|
SC 13D |
Page 12 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Robert M. Bass
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
692,607(7)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
692,607(7)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
692,607(7)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.8%
|
|
14
|
TYPE OF REPORTING PERSON
IN
|
(7)
|
Represents the shares of Common Stock that are beneficially owned as a result of a previous distribution from FW Ventures I, L.P. and the March 8, 2013 acquisition of 482,180 shares of Common Stock as a result of a pro rata, in-kind distribution by Oak Hill Capital Partners, L.P. and Oak Hill Capital Management Partners, L.P.
|
CUSIP No. 282225C103
|
SC 13D |
Page 13 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Capital Partnership, L.P.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
88,654(8)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
88,654(8)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
88,654(8)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.4%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
(8)
|
Represents the shares of Common Stock that are beneficially owned as a result of a previous distribution by FW Ventures I, L.P. and the March 8, 2013 acquisition of 36,123 shares of Common Stock as a result of a pro rata, in-kind distribution by Oak Hill Capital Partners, L.P. and Oak Hill Capital Management Partners, L.P. Power is exercised by Capital Partnership through its general partner, Capital GenPar, LLC.
|
CUSIP No. 282225C103
|
SC 13D |
Page 14 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Capital GenPar, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
88,654(9)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
88,654(9)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
88,654(9)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.4%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
(9)
|
Solely in its capacity as general partner of Capital Partnership, L.P. See footnote (8) to page relating to Capital Partnership, L.P. Power is exercised by Capital GenPar, LLC solely in its capacity as general partner of Capital Partnership, L.P. See Item 5(a) herein.
|
CUSIP No. 282225C103
|
SC 13D |
Page 15 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
David G. Brown
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
24,465(10)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
24,465(10)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
25,965(10) (11)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.1%
|
|
14
|
TYPE OF REPORTING PERSON
IN
|
(10)
|
Represents 12,007 shares of Common Stock that are beneficially owned as a result of a previous distribution by FW Ventures I, L.P. and the March 8, 2013 acquisition of 12,458 shares of Common Stock in a pro rata, in-kind distribution by Oak Hill Capital Partners, L.P. and Oak Hill Capital Management Partners, L.P.
|
(11)
|
Includes 1,500 shares of Common Stock that would be beneficially owned upon exercise of director options held by Mr. Brown.
|
CUSIP No. 282225C103
|
SC 13D |
Page 16 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Mark A. Wolfson
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
660,959(12)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
660,959(12)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
665,959(12) (13)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.7%
|
|
14
|
TYPE OF REPORTING PERSON
IN
|
(12)
|
Represents 12,007 shares of Common Stock that are beneficially owned as a result of a previous distribution from FW Ventures I, L.P. and the March 8, 2013 acquisition of 65,297 shares of Common Stock in a pro rata, in-kind distribution by Oak Hill Capital Partners, L.P. and Oak Hill Capital Management Partners, L.P. and 583,655 shares of Common Stock beneficially owned as a result of Mark Wolfson’s 100% ownership of Group Investors, LLC, the sole member of OHVF MGP I, LLC. See Footnote (4) to page relating to Group Investors, LLC.
|
(13)
|
Includes 5,000 shares of Common Stock that would be beneficially owned upon exercise of director options held by Dr. Wolfson.
|
CUSIP No. 282225C103
|
SC 13D |
Page 17 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Group III 31, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
3,001(14)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
3,001(14)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,001(14)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 0.1%
|
|
14
|
TYPE OF REPORTING PERSON
OO
|
(14)
|
Represents the shares of Common Stock that are beneficially owned as a result of a previous distribution by FW Ventures I, L.P.
|
CUSIP No. 282225C103
|
SC 13D |
Page 18 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
J. Taylor Crandall (in the capacity described herein)
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
1,475,271(15)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
1,475,271(15)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,475,271(15)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
6.0%
|
|
14
|
TYPE OF REPORTING PERSON
IN
|
(15)
|
(i) Solely in his capacity as the sole member of Group III 31, LLC with respect to 3,001 shares of Common Stock, which represents the shares of Common Stock that are beneficially owned as a result of a previous distribution by FW Ventures I, L.P.; and (ii) solely in his capacity as the sole member of FW Management II, LLC with respect to 1,427,325 shares. See footnote (6) to page relating to FW Management II, LLC. On March 8, 2013, the Reporting Person acquired 44,945 shares of Common Stock as a result of a pro rata, in-kind distribution by Oak Hill Capital Partners, L.P. and Oak Hill Capital Management Partners, L.P.
|
CUSIP No. 282225C103
|
SC 13D |
Page 19 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Woodside Partners, L.P.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
41,301(16)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
41,301(16)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
41,301(16)
|
(33) |
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.2%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
(16)
|
Represents the shares of Common Stock that are directly owned by Woodside Partners, L.P. as a result of a previous distribution by FW Ventures I, L.P. and the March 8, 2013 acquisition of 32,296 shares of Common Stock as a result of a pro rata, in-kind distribution by Oak Hill Capital Partners, L.P. and Oak Hill Capital Management Partners, L.P. Woodside Partners, L.P. owns the shares through its general partner, Tonandowah, L.L.C., of which the sole member is Caroline Jean Crandall 1998 Trust, of which John Fant is the sole trustee.
|
CUSIP No. 282225C103
|
SC 13D |
Page 20 of 28
|
1
|
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
Tonandowah, L.L.C.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
Not applicable
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
41,301(17)
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
41,301(17)
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
41,301(17)
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.2%
|
|
14
|
TYPE OF REPORTING PERSON
OO
|
(17)
|
Solely in its capacity as the general partner of Woodside Partners, L.P. See footnote (16) to page relating to Woodside Partners, L.P.
|
CUSIP No. 282225C103
|
SC 13D |
Page 21 of 28
|
CUSIP No. 282225C103
|
SC 13D |
Page 22 of 28
|
CUSIP No. 282225C103
|
SC 13D |
Page 23 of 28
|
CUSIP No. 282225C103
|
SC 13D |
Page 24 of 28
|
OAK HILL CAPITAL PARTNERS, L.P. | |||
By: | OHCP GenPar, L.P., its general partner | ||
By: | OHCP MGP, LLC, its general partner | ||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
OAK HILL CAPITAL MANAGEMENT PARTNERS, L.P. | |||
By: | OHCP GenPar, L.P., its general partner | ||
By: | OHCP MGP, LLC, its general partner | ||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
OHCP GENPAR, L.P.
|
|||
By: | OHCP MGP, LLC, its general partner | ||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
CUSIP No. 282225C103
|
SC 13D |
Page 25 of 28
|
OHCP MGP, LLC
|
|||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
OAK HILL VENTURE FUND I, L.P.
|
|||
By: | OHVF GenPar I, L.P., its general partner | ||
By: | OHVF MGP I, LLC, its general partner | ||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
OHVF GENPAR I, L.P.
|
|||
By: | OHVF MGP I, LLC, its general partner | ||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
OHVF MGP I, LLC
|
|||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
CUSIP No. 282225C103
|
SC 13D |
Page 26 of 28
|
GROUP INVESTORS, LLC
|
|||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
FW INVESTORS V, L.P.
|
|||
By: | FW Management II, LLC, its general partner | ||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
FW MANAGEMENT II, LLC
|
|||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
ROBERT M. BASS | |||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Attorney-in-Fact for: | |||
ROBERT M. BASS (1) |
(1)
|
A Power of Attorney authorizing Kevin G. Levy, et al., to act on behalf of Robert M. Bass previously has been filed with the Securities and Exchange Commission.
|
CUSIP No. 282225C103
|
SC 13D |
Page 27 of 28
|
CAPITAL PARTNERSHIP, L.P.
|
|||
By: | Capital GenPar, LLC, General Partner | ||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
CAPITAL GENPAR, LLC
|
|||
|
By:
|
/s/ Kevin G. Levy | |
Name: Kevin G. Levy | |||
Title: Vice President | |||
GROUP III 31, LLC
|
|||
By:
|
/s/ Kevin G. Levy | ||
Name: Kevin G. Levy | |||
Title: Vice President | |||
/s/ David G. Brown | |||
DAVID G. BROWN | |||
/s/ Mark A. Wolfson | |||
MARK A. WOLFSON | |||
|
/s/ Kevin G. Levy | ||
KEVIN G. LEVY | |||
Attorney-in-Fact for: | |||
J. TAYLOR CRANDALL (1) |
(1)
|
A Power of Attorney authorizing Kevin G. Levy, et al., to act on behalf of J. Taylor Crandall previously has been filed with the Securities and Exchange Commission.
|
CUSIP No. 282225C103
|
SC 13D |
Page 28 of 28
|
WOODSIDE PARTNERS, L.P.
|
|||
By: | Tonandowah, L.L.C., its general partner | ||
|
By:
|
/s/ John H. Fant | |
Name: John H. Fant | |||
Title: Vice President | |||
TONANDOWAH, L.L.C.
|
||||
|
By:
|
/s/ John H. Fant | ||
Name: | John H. Fant | |||
Title: |
Trustee of the Caroline Jean Crandall 1998 Trust, sole member of Tonandowah, L.L.C.
|
|||