Table:
| Name | No. of Securities Underlying Unexercised Options (#) Exercisable No. of Securities Underlying Unexercised | No. of Securities Underlying Unexercised Options (#) Unexercisable No. of Securities Underlying Unexercised | Option Exercise Price | Option Expiration Date |
| --- | --- | --- | --- | --- |
| Garo H. Armen (1) | 500,000 | - | $1.25 | April 16, 2026 |
| Garo H. Armen (2) | 184,028 | 65,972 | $1.75 | October 16, 2027 |
| Alexander K. Arrow (3) | 100,000 | - | $1.25 | February 12, 2026 |
| Alexander K. Arrow (3) | 140,000 | - | $1.25 | April 15, 2026 |
| Alexander K. Arrow (4) | 55,208 | 19,792 | $1.75 | October 16, 2027 |
| Alexander K. Arrow (5) | 41,667 | - | $1.00 | February 1, 2029 |
Paragraphs:
Outstanding Equity Awards at Fiscal Year End
The following table summarizes the equity awards made to our named executive officers that were outstanding at December 31, 2019
Question:
How many options would expire on April 15, 2026?
Answer: 500000 + 140000  = 640000