Table:
| Option Awards |  |  | Stock Awards |  |
| --- | --- | --- | --- | --- |
| Name | Number of Shares Acquired on Exercise (#) | Value Realized on Exercise (1)($)$) | Number of Shares Acquired on Vesting(2) (#) | Value Realized on Vesting (3)($)$) |
| Gregory S. Clark | — | — | 342,338 | 7,467,791 |
| Nicholas R. Noviello | 332,155 | 4,699,993 | 111,855 | 2,419,818 |
| Amy L. Cappellanti-Wolf | — | — | 92,644 | 1,997,239 |
| Samir Kapuria | — | — | 112,125 | 2,497,640 |
| Scott C. Taylor | — | — | 103,798 | 2,216,595 |
Paragraphs:
The following table shows for the fiscal year ended March 29, 2019, certain information regarding option exercises and stock vested during the last fiscal year with respect to our named executive officers:
Option Exercises and Stock Vested in Fiscal 2019
(1) The value realized upon option exercises is based on the difference between the closing price of our common stock at exercise and the option exercise price.
(2) The number of shares and value realized for stock awards set forth above reflect (i) RSUs that vested and settled in FY19, (ii) RSUs granted under the FY19 EAIP on 5/20/2019, which vested and settled on 6/1/2019, and (iii) PRUs that vested in FY19 and were settled in FY20.
(3) The value realized upon vesting is based on the closing price of our common stock upon vesting in the case of RSUs and the closing price of our common stock on March 29, 2019 in the case of PRUs.
Question:
What is value realized upon option exercises is based on?
Answer: the difference between the closing price of our common stock at exercise and the option exercise price.