Exhibit
4.2


 


DESCRIPTION
OF REGISTRANT’S SECURITIES


REGISTERED
PURSUANT TO SECTION 12 OF THE


SECURITIES
EXCHANGE ACT OF 1934


 


Set
forth below is the description of the common stock, par value $0.01 per share (the “Common Stock”) of Pressure BioSciences,
Inc. (“we” or “our”). The following description summarizes the most important terms of these securities.
This summary does not purport to be complete and is qualified in its entirety by the provisions of our Restated Articles of Organization,
as amended (the “Articles”), and our Amended and Restated By-laws, as amended (the “By-laws”), copies
of which have been previously filed with the Securities and Exchange Commission and are incorporated by reference into the Annual
Report on Form 10-K for the year ended December 31, 2020. You should refer to our Articles, By-laws and the applicable provisions
of the Massachusetts General Laws, for a complete description.


 


The
Common Stock is the only class of our securities currently registered under Section 12 of the Securities Exchange Act of 1934.
Our Common Stock is quoted on the OTCQB under the symbol “PBIO.”


 


Authorized
Common Stock


 


Our
authorized Common Stock consists of 100,000,000 shares.


 


Dividend
Rights


 


Subject
to limitations under the Massachusetts General Laws and to preferences that may apply to any shares of preferred stock outstanding
at the time, the holders of our Common Stock are entitled to receive dividends out of funds legally available if our Board of
Directors, in its discretion, determines to declare and pay dividends and then only at the times and in the amounts that our Board
of Directors may determine.


 


Voting
Rights


 


Holders
of our Common Stock are entitled to one vote for each share held on all matters properly submitted to a vote of stockholders on
which holders of Common Stock are entitled to vote. We have not provided for cumulative voting for the election of directors in
our Certificate. The directors are elected by a plurality of the outstanding shares entitled to vote on the election of directors.
On all other matters the affirmative vote of a majority of the voting power of the shares present or represented by proxy at the
meeting and entitled to vote on the subject matter constitutes the act of the stockholders, except as otherwise expressly provided
by the Nevada Revised Statutes.


 


No
Preemptive or Similar Rights


 


Our
Common Stock is not entitled to preemptive rights, and is not subject to conversion, redemption or sinking fund provisions.


 


Right
to Receive Liquidation Distributions


 


If
we become subject to a liquidation, dissolution or winding-up, the assets legally available for distribution to our stockholders
would be distributable ratably among the holders of our Common Stock and any participating preferred stock outstanding at that
time, subject to prior satisfaction of all outstanding debt and liabilities and the preferential rights of and the payment of
liquidation preferences, if any, on any outstanding shares of preferred stock.


 


Transfer
Agent and Registrar


 


Computershare
Trust Company NA is the transfer agent and registrar in respect of the common stock.