SEC Form 3 · accession 0001044321-15-000082

LIGHTBRIDGE Corp · LTBR

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

10% Owner

Period of report

Feb 10, 2015

Accepted (ET)

Feb 10, 2015 · 3:08 pm EST

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001084554

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	holding	—	—		—	3,508,789	I	By Limited Partnerships

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Warrants^F1,F2	$9.00	holding	—	—	—	Jul 23, 2010	Jul 28, 2017	Common Stock	454,546	—	I
Warrants^F1,F2	$2.30	holding	—	—	—	Apr 25, 2014	Apr 25, 2021	Common Stock	571,428	—	I
Warrants^F1,F2	$2.31	holding	—	—	—	May 17, 2015	May 17, 2022	Common Stock	2,734,590	—	I

F1This is a joint filing by Austin W. Marxe (Marxe), David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner). Special Situations Fund III QP, L.P. (SSFQP), Special Situations Cayman Fund, L.P. (CAYMAN), Special Situations Private Equity Fund, L.P. (SSPE and together with SSFQP and CAYMAN, the Funds) hold shares of Common Stock of the Issuer (the Shares). AWM Investment Company, Inc. (AWM), the investment adviser to the Funds, holds the power to vote and the power to dispose of the Shares held by each of the Funds. Marxe, Greenhouse and Stettner are the controlling principals of AWM.
F2While the Shares held by each of the Funds were previously reported by Marxe, Greenhouse and Stettner on Form 3, reference should be made to AWM (CIK #0001002856) for any future filings with the Securities and Exchange Commission relating to the Shares held by each of the Funds. Marxe, Greenhouse and Stettner disclaim beneficial ownership of the Shares, except to the extent of their pecuniary interest therein. This report shall not be deemed an admission that Marxe, Greenhouse and Stettner are the beneficial owners of the Shares and Warrants of the Issuer held by the Funds for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.