FINKELSTEIN J J (President and CEO) purchased 4.6% of their position (75K shares) of REGENERX BIOPHARMACEUTICALS INC on the open market

Open‑market purchase worth $15.0K — a small addition. The strongest form of insider conviction signal.

P · 1 purchase

FINKELSTEIN J J

Filed: 7/6/2021ACC: 0000914190-21-000193

InsiderFINKELSTEIN J JCIK 1125610

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IssuerREGENERX BIOPHARMACEUTICALS INCCIK 707511

DirectorOfficer· President and CEO

Since Jul 2018

+187.50K

Net shares

Net buyer

$15.0K

Total acquired

Open market trades

1B · 0S

Total transactions

187.50K acquired

Non-Derivative Transactions1

Common Stock

Direct

P · Purchase

+75K

Price / share

$0.20

Trade value

$15K

% of position

4.6%

6/30/2021

1.64M→1.71M

Total

Net shares

+75K

Net value

$15K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	6/30/2021	P · Purchase	+75K	$0.20	$15K	4.6%	1.64M	1.71M
Total			+75K		$15K

Derivative Transactions2

Series A Common Stock Warrant (right to buy)

Direct

P · Purchase

Converts to

Common Stock

56.25K shares

+56.25K

Strike price

0.24

Held after

56.25K

Exercisable

—

6/30/2021

Series B Common Stock Warrant (right to buy)

Direct

P · Purchase

Converts to

Common Stock

56.25K shares

+56.25K

Strike price

0.28

Held after

56.25K

Exercisable

—

6/30/2021

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Series A Common Stock Warrant (right to buy) Direct	Common Stock56.25K shares	6/30/2021	P · Purchase	+56.25K	0.24	—	56.25K
Series B Common Stock Warrant (right to buy) Direct	Common Stock56.25K shares	6/30/2021	P · Purchase	+56.25K	0.28	—	56.25K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)12

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

200K

Shares owned

200K

Exercise price

0.64

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

—

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

—

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

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

150K

Shares owned

150K

Exercise price

0.28

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

—

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

500K

Shares owned

500K

Exercise price

0.36

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

—

Total

Underlying

2.66M

Owned

2.43M

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Common Stock Warrant (right to buy) Direct	Common Stock	0.18	—	—	78.13K	78.13K
Stock Option (right to buy) Direct	Common Stock	0.64	—	—	200K	200K
Common Stock Warrant (right to buy) Direct	Common Stock	0.45	—	—	20.88K	20.88K
Stock Option (right to buy) Direct	Common Stock	0.30	—	—	500K	500K
Stock Option (right to buy) Direct	Common Stock	0.21	—	—	650K	650K
Convertible Promissory Note (right to buy) Direct	Common Stock	0.12	—	—	104.17K	N/A
Common Stock Warrant (right to buy) Direct	Common Stock	0.18	—	—	78.13K	78.13K
Stock Option (right to buy) Direct	Common Stock	0.28	—	—	150K	150K
Convertible Promissory Note (right to buy) Direct	Common Stock	0.36	—	—	27.84K	N/A
Stock Option (right to buy) Direct	Common Stock	0.21	—	—	250K	250K
Stock Option (right to buy) Direct	Common Stock	0.36	—	—	500K	500K
Convertible Promissory Note (right to buy) Direct	Common Stock	0.12	—	—	104.17K	N/A
Total					2.66M	2.43M