EX-4.2
from S-1/A
1 page
0i5n IN&25325$TED 8nde5 T+e /$Ws 2) T+e St$te 2) De/$W$5e Cusip 60470j 10 3 See Reverse for Certain Definitions This Certifies That Is the Record Holder of Fully Paid and Nonassessable Shares of Common Stock, $0.001 Par Value Per Share, of Mirna Therapeutics, Inc. Wudqvihudeoh Rq Wkh Errnv Ri Wkh Frusrudwlrq Lq Shuvrq Ru E\ Gxo\ Dxwkrul]hg Dwwruqh\ Xsrq Vxuuhqghu Ri Wklv &HUWL¿FDWH Surshuo\ Hqgruvhg. 7klv &HUWL¿FDWH LV Qrw Ydolg Xqwlo Frxqwhuvljqhg E\ Wkh 7udqvihu $Jhqw Dqg Uhjlvwhuhg E\ Wkh 5hjlvwudu. Witness Wkh Idfvlploh Vhdo Ri Wkh &RUSRUDWLRQ Dqg Wkh Idfvlploh Vljqdwxuhv Ri Lwv Gxo\ Dxwkrul]hg Ri¿fhuv. Dated: 3uevldeqt & &KLE &KLEI )Lqaqflao 2i¿feu & Sefuetau\ Seal December 20, 2007 I E[efxtlye 2i¿f Eu &28NTE5SI*NED $Nd 5e*iste5ed: American Stock Transfer & Trust Company, LLC (%522./<n, N<) T5$ns)e5 $*Ent $Nd 5e*ist5$5 %<: $8t+25i=ed Si*n$t85e
12/34/56