ANDREWS TIMOTHY K. (General Counsel & Secretary) received a stock award from SIENNA BIOPHARMACEUTICALS, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award

ANDREWS TIMOTHY K.

Filed: 8/8/2019ACC: 0001562180-19-004219

InsiderANDREWS TIMOTHY K.CIK 1711464

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IssuerSIENNA BIOPHARMACEUTICALS, INC.CIK 1656328

Officer· General Counsel & Secretary

Since Jan 2019

+50K

Net shares

Net buyer

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

181.81K acquired · 131.81K disposed

Non-Derivative Transactions1

Common Stock

Direct

A · Award

+50K

Price / share

—

Trade value

—

% of position

52.3%

8/6/2019

95.56K→145.56K

Total

Net shares

+50K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	8/6/2019	A · Award	+50K	—	—	52.3%	95.56K	145.56K
Total			+50K		$0.00

Derivative Transactions10

Stock Options (Right to buy)

Direct

D · Disposition

Converts to

Common Stock

60K shares

−60K

Strike price

15.08

Held after

0.00

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

D · Disposition

Converts to

Common Stock

8.52K shares

−8.52K

Strike price

15.00

Held after

0.00

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

D · Disposition

Converts to

Common Stock

18.29K shares

−18.29K

Strike price

2.32

Held after

0.00

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

D · Disposition

Converts to

Common Stock

22.50K shares

−22.50K

Strike price

2.32

Held after

0.00

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

D · Disposition

Converts to

Common Stock

22.50K shares

−22.50K

Strike price

2.32

Held after

0.00

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

A · Award

Converts to

Common Stock

8.52K shares

+8.52K

Strike price

0.71

Held after

8.52K

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

A · Award

Converts to

Common Stock

60K shares

+60K

Strike price

0.71

Held after

60K

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

A · Award

Converts to

Common Stock

18.29K shares

+18.29K

Strike price

0.71

Held after

18.29K

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

A · Award

Converts to

Common Stock

22.50K shares

+22.50K

Strike price

0.71

Held after

22.50K

Exercisable

—

8/6/2019

Stock Options (Right to buy)

Direct

A · Award

Converts to

Common Stock

22.50K shares

+22.50K

Strike price

0.71

Held after

22.50K

Exercisable

—

8/6/2019

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Options (Right to buy) Direct	Common Stock60K shares	8/6/2019	D · Disposition	−60K	15.08	—	0.00
Stock Options (Right to buy) Direct	Common Stock8.52K shares	8/6/2019	D · Disposition	−8.52K	15.00	—	0.00
Stock Options (Right to buy) Direct	Common Stock18.29K shares	8/6/2019	D · Disposition	−18.29K	2.32	—	0.00
Stock Options (Right to buy) Direct	Common Stock22.50K shares	8/6/2019	D · Disposition	−22.50K	2.32	—	0.00
Stock Options (Right to buy) Direct	Common Stock22.50K shares	8/6/2019	D · Disposition	−22.50K	2.32	—	0.00
Stock Options (Right to buy) Direct	Common Stock8.52K shares	8/6/2019	A · Award	+8.52K	0.71	—	8.52K
Stock Options (Right to buy) Direct	Common Stock60K shares	8/6/2019	A · Award	+60K	0.71	—	60K
Stock Options (Right to buy) Direct	Common Stock18.29K shares	8/6/2019	A · Award	+18.29K	0.71	—	18.29K
Stock Options (Right to buy) Direct	Common Stock22.50K shares	8/6/2019	A · Award	+22.50K	0.71	—	22.50K
Stock Options (Right to buy) Direct	Common Stock22.50K shares	8/6/2019	A · Award	+22.50K	0.71	—	22.50K

Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect

Shares owned10K

Common Stock

Indirect

Shares owned15K

Total

25K indirect25K

Security Title	Shares Owned	Ownership Type
Common Stock	10K	Indirect
Common Stock	15K	Indirect
Total	25K	25K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported