FRIEBERG JACOB B.

Filed: 4/3/2023ACC: 0001062993-23-008324

InsiderFRIEBERG JACOB B.CIK 1748346

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IssuerVACCINEX, INC.CIK 1205922

Director

Since Aug 2018

+32.11K

Net shares

Net buyer

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

32.11K acquired

Non-Derivative Transactions0

No non-derivative transactions reported

Derivative Transactions1

Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

32.11K shares

+32.11K

Strike price

.3995

Held after

32.11K

Exercisable

—

3/31/2023

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock32.11K shares	3/31/2023	A · Award	+32.11K	.3995	—	32.11K

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect

Shares owned193.05K

Common Stock

Direct

Shares owned63.52K

Common Stock

Indirect

Shares owned94.51K

Total

63.52K direct·287.56K indirect351.08K

Security Title	Shares Owned	Ownership Type
Common Stock	193.05K	Indirect
Common Stock	63.52K	Direct
Common Stock	94.51K	Indirect
Total	351.08K	63.52K direct·287.56K indirect

Derivative Holdings (Post-Transaction)21

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

7.63K

Shares owned

7.63K

Exercise price

1.78

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

28.59K

Shares owned

28.59K

Exercise price

2.15

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.80K

Shares owned

4.80K

Exercise price

2.8

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

3.34K

Shares owned

3.34K

Exercise price

4.00

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.86K

Shares owned

1.86K

Exercise price

7.17

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

7.72K

Shares owned

7.72K

Exercise price

7.78

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

12.86K

Shares owned

12.86K

Exercise price

1.04

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.74K

Shares owned

2.74K

Exercise price

4.85

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

6.40K

Shares owned

6.40K

Exercise price

13.60

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

6.54K

Shares owned

6.54K

Exercise price

2.07

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

3.76K

Shares owned

3.76K

Exercise price

3.61

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

12.06K

Shares owned

12.06K

Exercise price

1.08

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

53.25K

Shares owned

53.25K

Exercise price

1.12

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

6.23K

Shares owned

6.23K

Exercise price

2.16

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.38K

Shares owned

2.38K

Exercise price

5.52

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

10.03K

Shares owned

10.03K

Exercise price

1.32

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

26.26K

Shares owned

26.26K

Exercise price

0.495

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.54K

Shares owned

4.54K

Exercise price

2.98

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

19.85K

Shares owned

19.85K

Exercise price

0.645

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.50K

Shares owned

2.50K

Exercise price

5.26

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

15.68K

Shares owned

15.68K

Exercise price

3.95

Expiration

—

Exercise window

—

Total

Underlying

239.01K

Owned

239.01K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (Right to Buy) Direct	Common Stock	1.78	—	—	7.63K	7.63K
Stock Option (Right to Buy) Direct	Common Stock	2.15	—	—	28.59K	28.59K
Stock Option (Right to Buy) Direct	Common Stock	2.8	—	—	4.80K	4.80K
Stock Option (Right to Buy) Direct	Common Stock	4.00	—	—	3.34K	3.34K
Stock Option (Right to Buy) Direct	Common Stock	7.17	—	—	1.86K	1.86K
Stock Option (Right to Buy) Direct	Common Stock	7.78	—	—	7.72K	7.72K
Stock Option (Right to Buy) Direct	Common Stock	1.04	—	—	12.86K	12.86K
Stock Option (Right to Buy) Direct	Common Stock	4.85	—	—	2.74K	2.74K
Stock Option (Right to Buy) Direct	Common Stock	13.60	—	—	6.40K	6.40K
Stock Option (Right to Buy) Direct	Common Stock	2.07	—	—	6.54K	6.54K
Stock Option (Right to Buy) Direct	Common Stock	3.61	—	—	3.76K	3.76K
Stock Option (Right to Buy) Direct	Common Stock	1.08	—	—	12.06K	12.06K
Stock Option (Right to Buy) Direct	Common Stock	1.12	—	—	53.25K	53.25K
Stock Option (Right to Buy) Direct	Common Stock	2.16	—	—	6.23K	6.23K
Stock Option (Right to Buy) Direct	Common Stock	5.52	—	—	2.38K	2.38K
Stock Option (Right to Buy) Direct	Common Stock	1.32	—	—	10.03K	10.03K
Stock Option (Right to Buy) Direct	Common Stock	0.495	—	—	26.26K	26.26K
Stock Option (Right to Buy) Direct	Common Stock	2.98	—	—	4.54K	4.54K
Stock Option (Right to Buy) Direct	Common Stock	0.645	—	—	19.85K	19.85K
Stock Option (Right to Buy) Direct	Common Stock	5.26	—	—	2.50K	2.50K
Stock Option (Right to Buy) Direct	Common Stock	3.95	—	—	15.68K	15.68K
Total					239.01K	239.01K