Copied from May 5th "S&P Capital IQ's Stock Report"
May-17-2017 End of Lock-Up Period - Certain Options of Sigma Labs, Inc. are subject to a Lock-Up Agreement Ending on 17-MAY-2017. May-17-2017 End of Lock-Up Period - Certain Common Stock of Sigma Labs, Inc. are subject to a Lock-Up Agreement Ending on 17-MAY-2017. May-17-2017 End of Lock-Up Period - Certain Warrants of Sigma Labs, Inc. are subject to a Lock-Up Agreement Ending on 17-MAY-2017.