CUSIP
No. 654145101
|
||||||
1
|
Names
of Reporting Persons.
I.R.S.
Identification Nos. of above Persons (entities only)
|
Iota
Investors LLC
|
||||
2
|
Check
the Appropriate Box if a Member of a Group
(See
Instructions)
(a) x
(b) o
|
|||||
3
|
SEC
Use Only
|
|||||
4
|
Source
of Funds (See Instructions)
|
OO
|
||||
5
|
Check
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 (see Item 5 below)
|
1,926,944
|
||||
9
|
Sole
Dispositive Power
|
0
|
||||
10
|
Shared
Dispositive Power (see Item 5 below)
|
1,926,944
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
*includes
16,841 warrants exercisable to acquire16,841 shares of common
stock
|
*1,926,944
|
||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares (See
Instructions)
o
|
|||||
13
|
Percent
of Class Represented by Amount in Row (11)
|
5.57%
|
||||
14
|
Type
of Reporting Person (See Instructions)
|
OO
|
|
CUSIP
No. 654145101
|
||||||
1
|
Names
of Reporting Persons.
I.R.S.
Identification Nos. of above Persons (entities only)
|
Wexford
Spectrum Investors LLC
|
||||
2
|
Check
the Appropriate Box if a Member of a Group
(See
Instructions)
(a) x
(b) o
|
|||||
3
|
SEC
Use Only
|
|||||
4
|
Source
of Funds (See Instructions)
|
OO
|
||||
5
|
Check
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 (see Item 5 below)
|
696,675
|
||||
9
|
Sole
Dispositive Power
|
0
|
||||
10
|
Shared
Dispositive Power (see Item 5 below)
|
696,675
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
|
696,675
|
||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares (See
Instructions)
o
|
|||||
13
|
Percent
of Class Represented by Amount in Row (11)
|
2.02%
|
||||
14
|
Type
of Reporting Person (See Instructions)
|
OO
|
|
CUSIP
No. 654145101
|
||||||
1
|
Names
of Reporting Persons.
I.R.S.
Identification Nos. of above Persons (entities only)
|
Wexford
Capital LP
|
||||
2
|
Check
the Appropriate Box if a Member of a Group
(See
Instructions)
(a) x
(b) o
|
|||||
3
|
SEC
Use Only
|
|||||
4
|
Source
of Funds (See Instructions)
|
OO
|
||||
5
|
Check
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 (see Item 5 below)
|
2,746,952
|
||||
9
|
Sole
Dispositive Power
|
0
|
||||
10
|
Shared
Dispositive Power (see Item 5 below)
|
2,746,952
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
*includes
16,841 warrants exercisable to acquire16,841 shares of common
stock
|
*2,746,952
|
||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares (See
Instructions)
o
|
|||||
13
|
Percent
of Class Represented by Amount in Row (11)
|
7.92%
|
||||
14
|
Type
of Reporting Person (See Instructions)
|
PN
|
|
CUSIP
No. 654145101
|
||||||
1
|
Names
of Reporting Persons.
I.R.S.
Identification Nos. of above Persons (entities only)
|
Wexford
GP LLC
|
||||
2
|
Check
the Appropriate Box if a Member of a Group
(See
Instructions)
(a) x
(b) o
|
|||||
3
|
SEC
Use Only
|
|||||
4
|
Source
of Funds (See Instructions)
|
OO
|
||||
5
|
Check
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 (see Item 5 below)
|
2,746,952
|
||||
9
|
Sole
Dispositive Power
|
0
|
||||
10
|
Shared
Dispositive Power (see Item 5 below)
|
2,746,952
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
*includes
16,841 warrants exercisable to acquire16,841 shares of common stock and
123,333 stock options exercisable to acquire 123,333 shares of common
stock
|
*2,746,952
|
||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares (See
Instructions)
o
|
|||||
13
|
Percent
of Class Represented by Amount in Row (11)
|
7.92%
|
||||
14
|
Type
of Reporting Person (See Instructions)
|
OO
|
|
CUSIP
No. 654145101
|
||||||
1
|
Names
of Reporting Persons.
I.R.S.
Identification Nos. of above Persons (entities only)
|
Charles
E. Davidson
|
||||
2
|
Check
the Appropriate Box if a Member of a Group
(See
Instructions)
(a) x
(b) o
|
|||||
3
|
SEC
Use Only
|
|||||
4
|
Source
of Funds (See Instructions)
|
OO
|
||||
5
|
Check
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
|
0
|
|||
8
|
Shared
Voting Power (see Item 5 below)
|
2,746,952
|
||||
9
|
Sole
Dispositive Power
|
0
|
||||
10
|
Shared
Dispositive Power (see Item 5 below)
|
2,746,952
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
*includes
16,841 warrants exercisable to acquire16,841 shares of common stock and
123,333 stock options exercisable to acquire 123,333 shares of common
stock
|
*2,746,952
|
||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares (See
Instructions)
o
|
|||||
13
|
Percent
of Class Represented by Amount in Row (11)
|
7.92%
|
||||
14
|
Type
of Reporting Person (See Instructions)
|
IN
|
|
CUSIP
No. 654145101
|
||||||
1
|
Names
of Reporting Persons.
I.R.S.
Identification Nos. of above Persons (entities only)
|
Joseph
M. Jacobs
|
||||
2
|
Check
the Appropriate Box if a Member of a Group
(See
Instructions)
(a) x
(b) o
|
|||||
3
|
SEC
Use Only
|
|||||
4
|
Source
of Funds (See Instructions)
|
OO
|
||||
5
|
Check
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
|
0
|
|||
8
|
Shared
Voting Power (see Item 5 below)
|
2,746,952
|
||||
9
|
Sole
Dispositive Power
|
0
|
||||
10
|
Shared
Dispositive Power (see Item 5 below)
|
2,746,952
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
*includes
16,841 warrants exercisable to acquire16,841 shares of common stock and
123,333 stock options exercisable to acquire 123,333 shares of common
stock
|
*2,746,952
|
||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares (See
Instructions)
o
|
|||||
13
|
Percent
of Class Represented by Amount in Row (11)
|
7.92%
|
||||
14
|
Type
of Reporting Person (See Instructions)
|
IN
|
|
Item
3.
|
Source
and Amount of Funds or Other
Consideration.
|
Item
4.
|
Purpose
of Transaction.
|
Item
5.
|
Interest
in Securities of the Issuer
|
Iota
Investors LLC
|
||||
(a) Amount
beneficially owned:
|
1,926,944
|
Percent
of class:
|
5.57%
|
|
(b) Number
of shares as to which the person has:
|
||||
(i) Sole
power to vote or to direct the vote:
|
0
|
|||
(ii) Shared
power to vote or to direct the vote:
|
1,926,944
|
|||
(iii)
Sole power to dispose or to direct the disposition of:
|
0
|
|||
(iv) Shared
power to dispose or to direct the disposition of:
|
1,926,944
|
Wexford
Spectrum Investors LLC
|
||||
(a) Amount
beneficially owned:
|
696,675
|
Percent
of class:
|
2.02%
|
|
(b) Number
of shares as to which the person has:
|
||||
(i) Sole
power to vote or to direct the vote:
|
0
|
|||
(ii) Shared
power to vote or to direct the vote:
|
696,675
|
|||
(iii)
Sole power to dispose or to direct the disposition of:
|
0
|
|||
(iv) Shared
power to dispose or to direct the disposition of:
|
696,675
|
Wexford
Capital LP
|
||||
(a) Amount
beneficially owned:
|
2,746,952
|
Percent
of class:
|
7.92%
|
|
(b) Number
of shares as to which the person has:
|
||||
(i) Sole
power to vote or to direct the vote:
|
0
|
|||
(ii) Shared
power to vote or to direct the vote:
|
2,746,952
|
|||
(iii)
Sole power to dispose or to direct the disposition of:
|
0
|
|||
(iv) Shared
power to dispose or to direct the disposition of:
|
2,746,952
|
Wexford
GP LLC
|
||||
(a) Amount
beneficially owned:
|
2,746,952
|
Percent
of class:
|
7.92%
|
|
(b) Number
of shares as to which the person has:
|
||||
(i) Sole
power to vote or to direct the vote:
|
0
|
|||
(ii) Shared
power to vote or to direct the vote:
|
2,746,952
|
|||
(iii)
Sole power to dispose or to direct the disposition of:
|
0
|
|||
(iv) Shared
power to dispose or to direct the disposition of:
|
2,746,952
|
Charles
E. Davidson
|
||||
(a) Amount
beneficially owned:
|
2,746,952
|
Percent
of class:
|
7.92%
|
|
(b) Number
of shares as to which the person has:
|
||||
(i) Sole
power to vote or to direct the vote:
|
0
|
|||
(ii) Shared
power to vote or to direct the vote:
|
2,746,952
|
|||
(iii)
Sole power to dispose or to direct the disposition of:
|
0
|
|||
(iv) Shared
power to dispose or to direct the disposition of:
|
2,746,952
|
|||
Joseph
M. Jacobs
|
||||
(a) Amount
beneficially owned:
|
2,746,952
|
Percent
of class:
|
7.92%
|
|
(b) Number
of shares as to which the person has
|
||||
(i) Sole
power to vote or to direct the vote:
|
0
|
|||
(ii) Shared
power to vote or to direct the vote:
|
2,746,952
|
|||
(iii)
Sole power to dispose or to direct the disposition of:
|
0
|
|||
(iv) Shared
power to dispose or to direct the disposition of:
|
2,746,952
|
|||
IOTA
INVESTORS LLC
|
||
By:
|
/s/
Arthur H. Amron
|
|
Name:
|
Arthur
H. Amron
|
|
Title:
|
Vice
President and Assistant Secretary
|
|
WEXFORD
SPECTRUM INVESTORS LLC
|
||
By:
|
/s/
Arthur H. Amron
|
|
Name:
|
Arthur
H. Amron
|
|
Title:
|
Vice
President and Assistant Secretary
|
|
WEXFORD
CAPITAL LP
|
||
By:
|
/s/
Arthur H. Amron
|
|
Name:
|
Arthur
H. Amron
|
|
Title:
|
Partner
and Secretary
|
|
WEXFORD
GP LLC
|
||
By:
|
/s/
Arthur H. Amron
|
|
Name:
|
Arthur
H. Amron
|
|
Title:
|
Vice
President and Assistant Secretary
|
|
/s/
Charles E. Davidson
|
||
CHARLES
E. DAVIDSON
|
||
/s/
Joseph M. Jacobs
|
||
JOSEPH
M. JACOBS
|