Laflin Steve 4

4 · INTERNATIONAL ISOTOPES INC · Filed Apr 30, 2021

Form 4

Period: 2021-01-20

DirectorPres. & CEO

Transactions

Exercise/Conversion
Common Stock
2021-01-20$0.04/sh+2,000,000$70,000→ 7,903,485 total
Exercise/Conversion
Common Stock
2021-01-20$0.04/sh+750,000$33,750→ 8,653,485 total
Tax Payment
Common Stock
2021-01-20$0.28/sh−250,000$70,000→ 8,282,949 total
Exercise/Conversion
Stock Option (Right to Buy)
2021-01-20$0.04/sh−2,000,000$70,000→ 2,000,000 total
Exercise: $0.04Exp: 2024-10-27→ Common Stock (2,000,000 underlying)
Tax Payment
Common Stock
2021-02-28$0.14/sh−77,489$11,081→ 8,401,264 total
Tax Payment
Common Stock
2021-01-20$0.28/sh−120,536$33,750→ 8,532,949 total
Award
Common Stock
2021-02-28+195,804→ 8,478,753 total
Exercise/Conversion
Class O Warrants (Right to Buy)
2021-01-20$0.04/sh−750,000$33,750→ 0 total
Exercise: $0.04From: 2019-12-30Exp: 2024-12-30→ Common Stock (750,000 underlying)

Footnotes (5)

[F1]Represents shares withheld by the issuer to cover the exercise price of the warrants; not an open market transaction.
[F2]Represents shares withheld by the issuer to cover the exercise price of the equity award; not an open market transaction.
[F3]Represents an equity award granted to the reporting person under the 2015 Equity Incentive Plan.
[F4]Represents shares withheld by the issuer to cover withholding taxes on the equity award; not an open market transaction.
[F5]The stock option was vested and exercisable on October 24, 2016.

Documents

1 file