SYNLOGIC, INC. — Director's Dealing 2015

Oct 1, 2015

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Mirna Therapeutics, Inc. (MIRN)
CIK: 0001527599
Period of Report: 2015-09-30

Reporting Person: Jones Elaine V (Director)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$6.45	2025-06-04	Common Stock (4000)		Direct

Footnotes

F1: The option vests with respect to 20% of the shares subject thereto on May 1, 2015, with the remaining shares vesting with respect to 1/8 of the remaining shares subject thereto on each six month anniversary thereafter, subject to the Reporting Person continuing to provide services to the Issuer through each such vesting date.