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SYNLOGIC, INC. Director's Dealing 2023

Nov 15, 2023

35028_dirs_2023-11-14_53490512-7353-4781-806a-8d9804498cbd.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNLOGIC, INC. (SYBX)
CIK: 0001527599
Period of Report: 2023-11-10

Reporting Person: Awad Antoine (N/A)

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2023-11-10 Stock Option (right to buy) $130.35 D 3666 Disposed 2029-02-28 Common Stock (3666) Direct
2023-11-10 Stock Option (right to buy) $128.85 D 666 Disposed 2029-03-05 Common Stock (666) Direct
2023-11-10 Stock Option (right to buy) $9.30 D 6666 Disposed 2033-03-16 Common Stock (6666) Direct
2023-11-10 Stock Option (right to buy) $25.50 D 4666 Disposed 2030-03-10 Common Stock (4666) Direct
2023-11-10 Stock Option (right to buy) $27.75 D 4666 Disposed 2030-07-14 Common Stock (4666) Direct
2023-11-10 Stock Option (right to buy) $52.50 D 4666 Disposed 2031-03-10 Common Stock (4666) Direct
2023-11-10 Stock Option (right to buy) $29.25 D 11031 Disposed 2032-02-04 Common Stock (11031) Direct
2023-11-10 Stock Option (right to buy) $9.30 D 16666 Disposed 2033-03-16 Common Stock (16666) Direct
2023-11-10 Stock Option (right to buy) $1.85 A 3666 Acquired 2029-02-28 Common Stock (3666) Direct
2023-11-10 Stock Option (right to buy) $1.85 A 666 Acquired 2029-03-05 Common Stock (666) Direct
2023-11-10 Stock Option (right to buy) $1.85 A 6666 Acquired 2033-03-16 Common Stock (6666) Direct
2023-11-10 Stock Option (right to buy) $1.85 A 4666 Acquired 2030-03-10 Common Stock (4666) Direct
2023-11-10 Stock Option (right to buy) $1.85 A 4666 Acquired 2030-07-14 Common Stock (4666) Direct
2023-11-10 Stock Option (right to buy) $1.85 A 4666 Acquired 2031-03-10 Common Stock (4666) Direct
2023-11-10 Stock Option (right to buy) $1.85 A 11031 Acquired 2032-02-04 Common Stock (11031) Direct
2023-11-10 Stock Option (right to buy) $1.85 A 16666 Acquired 2033-03-16 Common Stock (16666) Direct

Footnotes

F1: In accordance with the terms of the Synlogic, Inc. 2015 Equity Incentive Award Plan and the Company's 2017 Stock Incentive Plan (together the "Plans"), the Board of Directors of Synlogic, Inc. approved a stock option repricing pursuant to which option awards granted under the Plans were amended to reduce the exercise price to $1.85 per share, the closing stock price of the Company's Common Stock on November 10, 2023. Except for the modified exercise price, all other terms and conditions of each of the option awards will continue as set forth in the Plan and the applicable award agreements.

F2: The shares subject to this option are fully vested as of the date hereof.

F3: These performance-based stock options, granted on March 16, 2023, vest when the achievement of certain clinical and regulatory development milestones are met.

F4: The shares subject to this option vest in approximately equal monthly installments beginning on April 1, 2020 through April 1, 2024.

F5: The shares subject to this option vest in approximately equal monthly installments beginning on July 1, 2020 through July 1, 2024.

F6: The shares subject to this option vest in approximately equal monthly installments beginning on April 1, 2021 through April 1, 2025.

F7: The shares subject to this option vest in approximately equal monthly installments beginning on February 4, 2022 through February 4, 2026.

F8: The shares subject to this option vest in approximately equal monthly installments beginning on April 1, 2023 through April 1, 2027.