FINKELSTEIN J J

Filed: 8/4/2021ACC: 0000914190-21-000202

InsiderFINKELSTEIN J JCIK 1125610

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IssuerREGENERX BIOPHARMACEUTICALS INCCIK 707511

DirectorOfficer· President and CEO

Since Jul 2018

+600K

Net shares

Net buyer

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

600K acquired

Non-Derivative Transactions0

No non-derivative transactions reported

Derivative Transactions1

Stock Option (right to buy)

Direct

A · Award

Converts to

Common Stock

600K shares

+600K

Strike price

0.28

Held after

600K

Exercisable

—

8/2/2021

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (right to buy) Direct	Common Stock600K shares	8/2/2021	A · Award	+600K	0.28	—	600K

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct

Shares owned1.71M

Total

1.71M direct1.71M

Security Title	Shares Owned	Ownership Type
Common Stock	1.71M	Direct
Total	1.71M	1.71M direct

Derivative Holdings (Post-Transaction)14

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

250K

Shares owned

250K

Exercise price

0.21

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

200K

Shares owned

200K

Exercise price

0.64

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

500K

Shares owned

500K

Exercise price

0.36

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

150K

Shares owned

150K

Exercise price

0.28

Expiration

—

Exercise window

—

Common Stock Warrant (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

78.13K

Shares owned

78.13K

Exercise price

0.18

Expiration

—

Exercise window

—

Convertible Promissory Note (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

104.17K

Shares owned

N/A

Exercise price

0.12

Expiration

—

Exercise window

—

Series B Common Stock Warrant (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

56.25K

Shares owned

56.25K

Exercise price

0.28

Expiration

—

Exercise window

—

Convertible Promissory Note (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

104.17K

Shares owned

N/A

Exercise price

0.12

Expiration

—

Exercise window

—

Common Stock Warrant (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

20.88K

Shares owned

20.88K

Exercise price

0.45

Expiration

—

Exercise window

—

Convertible Promissory Note (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

27.84K

Shares owned

N/A

Exercise price

0.36

Expiration

—

Exercise window

—

Series A Common Stock Warrant (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

56.25K

Shares owned

56.25K

Exercise price

0.24

Expiration

—

Exercise window

—

Common Stock Warrant (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

78.13K

Shares owned

78.13K

Exercise price

0.18

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

500K

Shares owned

500K

Exercise price

0.30

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

650K

Shares owned

650K

Exercise price

0.21

Expiration

—

Exercise window

—

Total

Underlying

2.78M

Owned

2.54M

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (right to buy) Direct	Common Stock	0.21	—	—	250K	250K
Stock Option (right to buy) Direct	Common Stock	0.64	—	—	200K	200K
Stock Option (right to buy) Direct	Common Stock	0.36	—	—	500K	500K
Stock Option (right to buy) Direct	Common Stock	0.28	—	—	150K	150K
Common Stock Warrant (right to buy) Direct	Common Stock	0.18	—	—	78.13K	78.13K
Convertible Promissory Note (right to buy) Direct	Common Stock	0.12	—	—	104.17K	N/A
Series B Common Stock Warrant (right to buy) Direct	Common Stock	0.28	—	—	56.25K	56.25K
Convertible Promissory Note (right to buy) Direct	Common Stock	0.12	—	—	104.17K	N/A
Common Stock Warrant (right to buy) Direct	Common Stock	0.45	—	—	20.88K	20.88K
Convertible Promissory Note (right to buy) Direct	Common Stock	0.36	—	—	27.84K	N/A
Series A Common Stock Warrant (right to buy) Direct	Common Stock	0.24	—	—	56.25K	56.25K
Common Stock Warrant (right to buy) Direct	Common Stock	0.18	—	—	78.13K	78.13K
Stock Option (right to buy) Direct	Common Stock	0.30	—	—	500K	500K
Stock Option (right to buy) Direct	Common Stock	0.21	—	—	650K	650K
Total					2.78M	2.54M