DOOLEY MARY BETH

PrivateCIK: 2015112

Location

CAMBRIDGE, MA

DOOLEY MARY BETH enters SYNLOGIC, INC. with 15.42K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Derivatives

DOOLEY MARY BETH

Filed: 3/21/2024ACC: 0000950170-24-034867

InsiderDOOLEY MARY BETHCIK 2015112

→

IssuerSYNLOGIC, INC.CIK 1527599

Officer· Head of Finance

Since Mar 2024

15.42K

Baseline shares

100% direct

15.42K

Direct ownership

1 position

14.99K

Derivative underlying

9 instruments

1

Security positions

All direct

Non-Derivative Holdings1

Common Stock

Direct

Shares owned15.42K

Total

15.42K direct15.42K

Security Title	Shares Owned	Ownership Type
Common Stock	15.42K	Direct
Total	15.42K	15.42K direct

Derivative Holdings9

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

3.25K

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

3.61K

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

200.00

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

2.08K

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

466.00

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

500.00

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

625.00

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

333.00

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

3.92K

Shares owned

N/A

Exercise price

1.85

Expiration

—

Exercise window

—

Total

Underlying

14.99K

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	3.25K	N/A
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	3.61K	N/A
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	200.00	N/A
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	2.08K	N/A
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	466.00	N/A
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	500.00	N/A
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	625.00	N/A
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	333.00	N/A
Stock Option (right to buy) Direct	Common Stock	1.85	—	—	3.92K	N/A
Total					14.99K	0.00

DOOLEY MARY BETH — Initial Ownership Disclosure (Form 3) Filed Mar 21, 2024 | Finecho