Exhibit
4.3


 


DESCRIPTION
OF SECURITIES


 


Under
the Amended and Restated Articles of Incorporation (the “Articles”) of Pluristem Therapeutics Inc. (the “Company”),
the Company is authorized to issue up to thirty million (30,000,000) shares of common stock, par value $0.00001 per share (the
“Common Stock”) and one million (1,000,000) shares of preferred stock, par value $0.00001 per share (the “Preferred
Stock”).


 


The
following is a summary of some of the terms of the Company’s Common Stock, which is the Company’s only class of securities
registered under Section 12 of the Securities Exchange Act of 1934, as amended. The Common Stock is listed on the Nasdaq Capital
Market under the symbol “PSTI”. This summary is not complete, and is subject to and qualified by the provisions of
the Company’s Articles and the Company’s Amended and Restated Bylaws (the “Bylaws”). The terms of the
Common Stock are also subject to and qualified by the applicable provisions of the Nevada Revised Statues.


 


Common
Stock


 


The
holders of shares of Common Stock vote together as one class on all matters as to which holders of Common Stock are entitled to
vote. Except as otherwise required by applicable law and subject to the preferential rights of any outstanding Preferred Stock,
all voting rights are vested in and exercised by the holders of Common Stock with each share of our Common Stock being entitled
to one vote, including in all elections of directors. The Company does not have a classified board of directors (the “Board”).
Subject to preferences that may be applicable to any outstanding Preferred Stock, the holders of Common Stock are entitled to
receive ratably such dividends, if any, as may be declared from time to time by the Board out of legally available funds therefore.
The Company has not declared any dividends on its Common Stock and does not anticipate paying any dividends on its Common Stock
in the foreseeable future. In the event of the Company’s liquidation, dissolution or winding up, holders of the Common Stock
are entitled to share ratably in all assets remaining after payment of liabilities, subject to prior liquidation rights of Preferred
Stock, if any, then outstanding. The Common Stock has no cumulative voting rights and no preemptive or other rights to subscribe
for shares of the Company. There are no redemption or sinking fund provisions applicable to the Common Stock. All shares of Common
Stock currently outstanding are fully paid and non-assessable.


 


Anti-Takeover
Effects of the Company’s Articles and Bylaws


 


Certain
provisions of the Company’s Articles and Bylaws could have the effect of delaying, deterring or preventing another party
from acquiring or seeking to acquire control of the Company. For example, the Company’s Articles and Bylaws include provisions
that:


 


		●	allow
the Board, subject to a majority vote of the entire Board, to amend the Company’s Bylaws at any meeting;





 





		●	provide
that only stockholders owning thirty three and thirty four hundredths percent (33.34%) in amount of the entire capital stock of
the Company’s issued and outstanding and entitled to vote may call a special meeting of the Company’s stockholders;



 





		●	the
Board may from time to time increase or decrease the number of directors then comprising the Board, and may from time to time
fill any vacancies, if any, on the Board; and



 


		●	empower
the Board to issue from time to time one or more series of Preferred Stock, with such designations, rights, preferences and limitations
as the Board may determine by resolution. The rights, preferences and limitations of separate series of Preferred Stock may differ
with respect to such matters among such series of Preferred Stock as may be determined by the Board, including, without limitation,
the rate of dividends, method and nature of payment of dividends, terms of redemption, amounts payable on liquidation, sinking
fund provisions (if any), conversion rights (if any) and voting rights.