ZAUDERER MAURICE (President and CEO) purchased 510K shares of VACCINEX, INC. on the open market

Open‑market purchase worth $509.5K. The strongest form of insider conviction signal.

P · 3 purchases

ZAUDERER MAURICE

Filed: 10/5/2023ACC: 0001062993-23-019063

InsiderZAUDERER MAURICECIK 1747753

→

IssuerVACCINEX, INC.CIK 1205922

DirectorOfficer10% Owner· President and CEO

Since Aug 2018

+1.01M

Net shares

Net buyer

$509.5K

Total acquired

Open market trades

3B · 0S

Total transactions

1.01M acquired

Non-Derivative Transactions3

Common Stock

Indirect

P · Purchase

+500K

Price / share

$1.00

Trade value

$500K

% of position

104.3%

10/3/2023

479.60K→979.60K

Common Stock

Direct

P · Purchase

+5K

Price / share

$0.93

Trade value

$4.65K

% of position

41.3%

10/3/2023

12.12K→17.12K

Common Stock

Direct

P · Purchase

+5K

Price / share

$0.97

Trade value

$4.87K

% of position

29.2%

10/4/2023

17.12K→22.12K

Total

Net shares

+510K

Net value

$509.51K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	10/3/2023	P · Purchase	+500K	$1.00	$500K	104.3%	479.60K	979.60K
Common Stock Direct	10/3/2023	P · Purchase	+5K	$0.93	$4.65K	41.3%	12.12K	17.12K
Common Stock Direct	10/4/2023	P · Purchase	+5K	$0.97	$4.87K	29.2%	17.12K	22.12K
Total			+510K		$509.51K

Derivative Transactions1

Warrant (Right to Buy)

Indirect

P · Purchase

Converts to

Common Stock

500K shares

+500K

Strike price

1.0

Held after

500K

Exercisable

—

10/3/2023

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Warrant (Right to Buy) Indirect	Common Stock500K shares	10/3/2023	P · Purchase	+500K	1.0	—	500K

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Direct

Shares owned12.12K

Common Stock

Indirect

Shares owned14.14K

Common Stock

Indirect

Shares owned14.21K

Total

12.12K direct·28.36K indirect40.48K

Security Title	Shares Owned	Ownership Type
Common Stock	12.12K	Direct
Common Stock	14.14K	Indirect
Common Stock	14.21K	Indirect
Total	40.48K	12.12K direct·28.36K indirect

Derivative Holdings (Post-Transaction)8

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

172.00

Shares owned

172.00

Exercise price

223.5

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.33K

Shares owned

1.33K

Exercise price

64.35

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.89K

Shares owned

1.89K

Exercise price

100.2

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

221.00

Shares owned

221.00

Exercise price

106.5

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

172.00

Shares owned

172.00

Exercise price

223.5

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

3.73K

Shares owned

3.73K

Exercise price

6.59

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.87K

Shares owned

1.87K

Exercise price

19.35

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

933.00

Shares owned

933.00

Exercise price

43.95

Expiration

—

Exercise window

—

Total

Underlying

10.32K

Owned

10.32K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (Right to Buy) Direct	Common Stock	223.5	—	—	172.00	172.00
Stock Option (Right to Buy) Direct	Common Stock	64.35	—	—	1.33K	1.33K
Stock Option (Right to Buy) Direct	Common Stock	100.2	—	—	1.89K	1.89K
Stock Option (Right to Buy) Direct	Common Stock	106.5	—	—	221.00	221.00
Stock Option (Right to Buy) Direct	Common Stock	223.5	—	—	172.00	172.00
Stock Option (Right to Buy) Direct	Common Stock	6.59	—	—	3.73K	3.73K
Stock Option (Right to Buy) Direct	Common Stock	19.35	—	—	1.87K	1.87K
Stock Option (Right to Buy) Direct	Common Stock	43.95	—	—	933.00	933.00
Total					10.32K	10.32K