Table:
0
A
B
C
D
E
1
Name of Beneficial Owner
Shares of Common Stock (a)
Restricted Stock Units Vesting within 60 days
Stock Options currently exercisable or becoming exercisable within 60 days (1)
Percent of Common Stock
2
Richard Leeds (2)
14,526,816
-
-
38%
3
Bruce Leeds (3)
13,686,090
-
-
36%
4
Robert Leeds (4)
13,013,992
-
-
34%
5
Barry Litwin
5,098
1,259
-
*
6
Robert D. Rosenthal
69,401
1,259
10,000
*
7
Chad M. Lindbloom
680
1,259
-
*
8
Paul S. Pearlman
-
849
-
*
9
Lawrence Reinhold
159,344 (5)
849
-
*
10
Thomas Clark
18,233
-
53,737
*
11
Robert Dooley
70,264
-
45,348
*
12
Eric Lerner
4,147
-
18,750
*
13
Manoj Shetty
2,922
-
51,063
*
14
All of our current directors and executive officers (16 persons)
25,181,435
5,475
196,496
67%

Questions and formulas:
Question: What is the total shares of common stock owned by the top three shareholders of the company?
Formula: B2 + B3 + B4
Formula2: B2 + B3 + B4
Level: Calculation
Question: What percentage of the total restricted stock units vesting within 60 days are owned by Barry Litwin? 
Formula: C5/C14
Formula2: C5/C14
Level: Calculation