NAGENDRAN SUKUMAR (Sr. VP & Chief Medical Officer) reported 1 transaction at AVEXIS, INC.

Review the transaction codes below to understand the nature of each event.

NAGENDRAN SUKUMAR

Filed: 5/15/2018ACC: 0001209191-18-030126

InsiderNAGENDRAN SUKUMARCIK 1665124

→

IssuerAVEXIS, INC.CIK 1652923

Officer· Sr. VP & Chief Medical Officer

Since May 2018

-260.24K

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

9.91K acquired · 270.15K disposed

Non-Derivative Transactions1

Common Stock

Direct

D · Disposition

−3.80K

Price / share

—

Trade value

—

% of position

New position

5/15/2018

3.80K→0.00

Total

Net shares

−3.80K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	5/15/2018	D · Disposition	−3.80K	—	—	New position	3.80K	0.00
Total			−3.80K		$0.00

Derivative Transactions6

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

178.49K shares

−178.49K

Strike price

18.47

Held after

0.00

Exercisable

—

5/15/2018

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

37.75K shares

−37.75K

Strike price

42.61

Held after

0.00

Exercisable

—

5/15/2018

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

25.20K shares

−25.20K

Strike price

77.24

Held after

0.00

Exercisable

—

5/15/2018

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

15K shares

−15K

Strike price

133.80

Held after

0.00

Exercisable

—

5/15/2018

Performance Stock Units (Right to Buy)

Direct

A · Award

Converts to

Common Stock

9.91K shares

+9.91K

Strike price

Held after

9.91K

Exercisable

—

5/15/2018

Performance Stock Units (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

9.91K shares

−9.91K

Strike price

Held after

0.00

Exercisable

—

5/15/2018

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock178.49K shares	5/15/2018	D · Disposition	−178.49K	18.47	—	0.00
Stock Option (Right to Buy) Direct	Common Stock37.75K shares	5/15/2018	D · Disposition	−37.75K	42.61	—	0.00
Stock Option (Right to Buy) Direct	Common Stock25.20K shares	5/15/2018	D · Disposition	−25.20K	77.24	—	0.00
Stock Option (Right to Buy) Direct	Common Stock15K shares	5/15/2018	D · Disposition	−15K	133.80	—	0.00
Performance Stock Units (Right to Buy) Direct	Common Stock9.91K shares	5/15/2018	A · Award	+9.91K		—	9.91K
Performance Stock Units (Right to Buy) Direct	Common Stock9.91K shares	5/15/2018	D · Disposition	−9.91K		—	0.00