Mary Beth Dooley - Mar 18, 2024 Form 3 Insider Report for SYNLOGIC, INC. (SYBX)

Role
Head of Finance
Signature
/s/ Mary Beth Dooley
Stock symbol
SYBX
Transactions as of
Mar 18, 2024
Transactions value $
$0
Form type
3
Date filed
3/21/2024, 05:10 PM
Next filing
Apr 4, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding SYBX Common Stock 15.4K Mar 18, 2024 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 333 $1.85 Direct F2
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 200 $1.85 Direct F2
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 466 $1.85 Direct F2
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 625 $1.85 Direct F3
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 500 $1.85 Direct F2
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 2.08K $1.85 Direct F4
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 3.26K $1.85 Direct F5
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 3.92K $1.85 Direct F6
holding SYBX Stock Option (right to buy) Mar 18, 2024 Common Stock 3.61K $1.85 Direct F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 14,485 restricted stock awards subject to time-based vesting.
F2 The shares subject to this option are fully vested as of the date hereof.
F3 The shares subject to this option vest in approximately equal monthly installments through April 1, 2024.
F4 The shares subject to this option vest in approximately equal monthly installments through April 1, 2025.
F5 The shares subject to this option vest in approximately equal monthly installments through February 4, 2026.
F6 The shares subject to this option vest in approximately equal monthly installments through September 16, 2026.
F7 The shares subject to this option vest in approximately equal monthly installments through April 1, 2027.

Remarks:

Exhibit 24.1 - Power of Attorney