Document:

Exhibit 10.1

 

Confidential Materials
omitted and filed separately with the

Securities and Exchange
Commission. Double asterisks denote omissions.

 

AMENDMENT

TO SEVERANCE AND CHANGE OF CONTROL AGREEMENT

 

THIS AMENDMENT TO CHANGE OF CONTROL AGREEMENT between
Elizabeth A. Tarka, M.D. (the "Executive") and Idera Pharmaceuticals, Inc. (''the Company'') shall be effective May 28, 2021
(the “Date of Termination”).

 

WHEREAS, the Executive and the Company have the
authority to amend the Severance and Change of Control Agreement between the Executive and the Company dated June 26, 2019 (“Agreement”),
and now wish to do so;

 

NOW, THEREFORE, for good and valuable consideration,
the receipt and

sufficiency of which are hereby acknowledged, the
Executive and the Company agree to amend the Agreement as follows:

 

		1.	A Section 6(h) of the Agreement is hereby added to the Agreement
as follows:

 

Consulting. For six (6) months from
the Date of Termination (the “Consultancy Term”), Executive shall provide up to ten (10) hours of consulting services (the
 “Consulting Hours”) per calendar month to Company, upon request, on projects and issues related, directly and indirectly,
to her responsibilities when employed by Idera subject to her reasonable availability. Company agrees that the Consulting Hours may be
rendered after normal business hours. Company acknowledges that the Consulting Hours must be used within a calendar month and do not accrue
to future periods during the Term. In exchange for the consulting services, Executive shall be entitled to the benefits set forth under
Section 6(e) of the Agreement and Executive’s Incentive Stock Options, Non-Statutory Stock Options and Restricted Stock Units under
the Company’s 2013 Stock Incentive Plan, as amended, shall continue to vest during the Consultancy Term. Further, any options that
are vested as of the end of the Consultancy Term shall be exercisable until the later of: (i) March 31, 2022, or (ii) ninety (90) days
from the end of the Consultancy Period, as set forth in the Company’s 2013 Stock Incentive Plan, as amended.

 

2.        Section
13(c) of the Agreement shall be stricken in its entirety and replaced as follows:

 

(c) Executive certifies to the Company within ten (10) days
of the Date of Termination or the end of the Consultancy Term, whichever is later, that she has returned all Company property, confidential
information and documentation to the Company.

 

		3.	Exhibit A hereto shall constitute Idera’s Release Agreement
under paragraph 13 of the Agreement.

 

		4.	In all other respects, the Agreement is hereby ratified and confirmed.

 

     

     

    

 

IN WITNESS WHEREOF, the Executive and the Company
have caused this Amendment to be signed and effective on the date set forth above.

 

	EXECUTIVE	 	IDERA PHARMACEUTICALS, INC.
	 	 	 	 
	/s/ Elizabeth A. Tarka, M.D.	 	/s/ Vincent J. Milano
	Elizabeth A. Tarka, M.D.	 	By: 	Vincent J. Milano               
	 	 	 	Chief Executive Officer 
	 	 	 	 
	Date: May 18, 2021	 	Date: May 18, 2021

 

     

     

    

 

Exhibit A

 

GENERAL RELEASE

 

This General Release (“Agreement”)
is entered into by and between Elizabeth A. Tarka, M.D. (“Executive) and Idera Pharmaceuticals, Inc. (“Company”)
effective as of May 28, 2021 (the “Date of Termination”). All terms not defined herein shall have the meanings set
forth in the Severance Agreement (defined below).

 

WHEREAS, the Executive and Company have entered into a Severance and
Change of Control Agreement dated October 2, 2019 but effective as of July 22, 2019 (the “Severance Agreement”), which
provides for payment conditioned upon Executive executing a Release Agreement in the form and scope determined by the Company.

 

WHEREAS, the Executive and Company agree that this Agreement shall
constitute the Release Agreement referred to in the Severance and Change of Control Agreement.

 

NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which is hereby acknowledged, and intending to be legally bound hereby, the parties hereto agree as follows:

 

		1.	Release.

 

		a.	Executive represents, warrants and covenants that Executive has not filed any charges, complaints or lawsuits against the Company,
its parent, subsidiary or any related companies, or any of its or their officers, directors, principals, shareholders, employees, agents,
or representatives (collectively “Releasees”) with any governmental agency, tribunal or court. While nothing in this
Section is intended to prohibit Executive from initiating contact, filing a charge, or otherwise cooperating with, or assisting any governmental
agency in any lawful investigation, by signing this Agreement, Executive agrees and acknowledges that he/she is waiving, and will not
be entitled to any other or further monetary, financial or equitable relief. 

 

		b.	Employee represents and warrants that to the best of her knowledge, she has reported any violations known by Employee to Employee’s
manager or Human Resources of Idera’s Code of Business Conduct (the “Code”) or of any law by the Company or any Company
employee or agent, as required by the Code.

 

		c.	Upon payment of and in consideration for the compensation and benefits set forth in Section 2 of this Agreement, Executive, on behalf
of Executive, Executive’s heirs, estate, executors, administrators, agents, beneficiaries, trustees, legal and other representatives,
successors and assigns, hereby irrevocably and unconditionally releases, acquits and forever discharges the Releasees, from any and all
charges, promises, actions, causes of actions, covenants, contracts, controversies, agreements, complaints, claims, liabilities, obligations,
suits, demands, grievances, arbitrations, costs, losses, debts and expenses, including attorney’s, of any nature whatsoever (hereinafter
 “Claims”), known or unknown, or foreseen or unforeseen which Executive has or may have against Releasees, or any of
them, arising at any time prior to and including the date Executive signs this Agreement; further including, without limitation, any and
all Claims which relate directly or indirectly to Executive’s employment with Company and Executive’s separation from that
employment; and further including without limitation, Claims, whether statutory, at common law or otherwise, for wrongful termination
of employment, breach of contract, detrimental reliance, promissory estoppel, infliction of emotional distress, defamation, fraud, misrepresentation
or any other tort, and Claims under the laws of the United States, the state of Executive’s employment, or any other state,
for discrimination based upon sex, race, age, national origin, religion, handicap, disability, retaliation, or on any other basis,
including, without limitation, Claims based on Title VII of the Civil Rights Act of 1964, the Age Discrimination in Employment Act,
the Americans with Disabilities Act, the Family and Medical Leave Act, and any related state or local laws otherwise covering Executive’s
employment and separation (the “Release”).

 

     

     

    

 

		d.	Executive agrees and acknowledges that this Agreement constitutes a knowing and voluntary waiver of all rights or Claims Executive
may have as of the date Executive signs this Agreement and that Executive has no physical or mental impairment of any kind that has interfered
with Executive’s ability to read and understand the meaning of this Agreement or its terms.

 

		e.	Executive also agrees and acknowledges that, in the event that Executive breaches any obligation under this Section, except as it
relates to any lawful challenge of the enforceability of this Release under the Older Workers Benefit Protection Act; the filing of any
claim for unemployment compensation; the filing of any claim for benefits under any worker’s compensation law; or the exception
noted above dealing with the filing of any charge with any governmental agency, including cooperation with such agency; then, in the event
of such a breach, Executive will no longer be entitled to receive any amounts which would otherwise be due and also be obligated to repay
Company any amounts paid under Section 2 above.

 

		f.	Return of Company Property: Executive shall return within 10 business days of the end of Executive’s employment or consulting
arrangement with Company, all Company property, including but not limited to all credit and telephone call cards, computers and computer-related
equipment (i.e. hardware, software, diskettes, etc.), keys, automobiles and all originals and copies of books, records, lists (including
all customer lists), printouts, Company intellectual property and any other documents. The failure to do so will be deemed a material
breach of this Agreement by Employee and will relieve the Company of its obligations to pay Employee the severance and benefits continuation
as provided for herein.

 

		2.	Severance. In exchange for the Release set forth in Section 1(b) above, and notwithstanding anything to the contrary in the Severance
Agreement, the Company shall:

 

		a.	pay the Executive within 30 days after the Date of Termination (A) the Executive's Annual Base Salary through the Date of Termination
to the extent not theretofore paid, and (B) any accrued and unpaid Annual Bonus amounts, compensation or vacation pay, in each case, to
the extent not yet paid by the Company

 

		b.	pay the Executive within 30 days after the Date of Termination the product of (1) the greater of (a) the average bonus paid or that
has been earned and accrued, but unpaid to the Executive by the Company and its affiliated companies in respect of the three fiscal years
immediately preceding the fiscal year in which the Date of Termination occurs, and (b) the Annual Bonus paid for the fiscal year immediately
preceding the Date of Termination (both (a) and (b) annualized for any fiscal year consisting of less than twelve full months or with
respect to which the Executive has been employed by the Company for less than twelve full months) and (2) a fraction, the numerator of
which is the number of days in the current fiscal year through the Date of Termination, and the denominator of which is 365,

 

		c.	pay the Executive within 30 days after the Date of Termination a lump sum payment equal to [**]; and

 

		d.	to the extent the Executive participated in the Company’s group medical/dental insurance immediately prior to the Date of Termination,
if Executive elects to continue receiving group medical and/or dental insurance under the continuation coverage rules known as COBRA,
the Company shall pay the Company share of the premium for such coverage that it pays for active and similarly-situated employees who
receive the same type of coverage (single, family, or other) until the end of the period for which the Company is paying Executive her
current base salary pursuant to Section 2(c) above.

 

		e.	The Executive shall not be required to mitigate the amount of any payment provided for in this Agreement
by seeking other employment or otherwise and no such payment shall be offset or reduced by the amount of any compensation or benefits
provided to the Executive in any subsequent employment.

 

     

     

    

 

		3.	Non-Released Claims. The Release does not apply to:

 

		a.	any Claims to require the Company to honor its commitments set forth in this Agreement or under the terms of the stock options and
RSU granted to Executive prior to the date hereof, including the extension of the exercise period such options approved by the Company
in March 2021;

 

		b.	any Claims for indemnification related to Executive’s role as an officer of the Company for the period beginning on Executive’s
date of employment and continuing through the Date of Termination, including, without limitation, its obligations under that certain Indemnification
Agreement between Executive and the Company dated October 2, 2019 but effective as of July 22, 2019 which the Company acknowledges and
agrees remains in full force and effect;

 

		c.	any Claims that arise after the Executive signed this Agreement; and

 

		d.	any Claims for worker's compensation benefits or unemployment compensation benefits.

 

		4.	If Executive executes this Agreement prior to the Date of Termination, this Agreement shall be re-executed where indicated below within
seven (7) business days of the Date of Termination. . By Executive’s re-execution of this Agreement, the Release shall be deemed
to extend from the date on which Executive first executes this Agreement to the date on which Executive re-executes this Agreement.

 

		5.	Confidentiality

 

		a.	Executive represents and agrees that Executive will keep the terms of this Agreement, including the existence of the Agreement itself,
completely confidential, except that Executive may discuss this Agreement with Executive’s attorney, tax advisor/accountant and
spouse.

 

		b.	Executive shall not use or disclose or allow the use or disclosure by any third party, of any Company
financial, proprietary, personnel or corporation information, including but not limited to data, information, decisions, and testing
related to the Company, without the prior express written consent of the Company. These rights of the
Company are in addition to and without limitation to those rights available to the Company under common law. In view of the nature of
Executive’s employment and the nature of the information that Executive has received during the course of Executive’s employment,
Executive agrees that any unauthorized disclosure of such information to third parties or the use of such information by Executive would
cause irreparable damage to the Company; therefore, the Company shall be entitled to an injunction prohibiting Executive from any use, disclosure
or attempted use or disclosure. All agreements Executive has signed with the Company relating to Executive’s confidentiality obligations,
Executive’s inventions and Executive’s obligations to refrain from soliciting or attempting to entice away any employee or
customer of the Company remain in full force and effect, are not abrogated by this Agreement, and are incorporated herein by this reference.

 

     

     

    

 

		6.	Non-Disparagement

 

		a.	Executive agrees to refrain from making any disparaging or false statements, oral or written, about
any or all of the Releasees. If contacted for a reference or other information with respect to Executive, Company agrees to refrain from
making any disparaging or false statements, oral or written, about the Executive. Company and Executive will mutually agree on the language
of any press release or other communication regarding Executive’s departure from the Company. Notwithstanding anything herein to
the contrary, nothing in this Agreement shall prohibit Executive from making truthful and complete disclosures required by law.

 

		b.	Executive agrees not to hereafter encourage, or in any way, assist or cooperate with any private person or entity (except as expressly
required and compelled by law) in any matter or proceeding of any kind against any or all of the Releasees relating to any matter arising
out of Executive’s employment with the Company or separation therefrom, or with regard to the employment or separation of any other
individuals by the Company or any Releasee and except as required and compelled by law, Executive shall not provide information to any
other private person for such purposes. Executive agrees that Executive will not initiate, facilitate, or engage in communication or conduct
with any private person or entity for the purpose of doing anything prohibited by this paragraph. Executive agrees that Executive shall
not communicate either orally or in writing with any print or broadcast media (including, without limitation, TV, radio, internet, newspaper,
books, magazines) about any matter arising out of Executive’s employment with the Company or separation therefrom.

 

		7.	Cooperation: Upon request by the Company, Executive shall provide advice and information to the Company concerning matters that arose
during Executive’s employment and shall assist and cooperate with the Company (at reasonable dates, times and places) in any litigation
or local, state or federal administrative proceedings concerning matters that arose during Executive’s employment. In the event
that Executive incurs expenses in connection with such litigation or administrative proceedings at the request of the Company, the
Company shall promptly reimburse Executive such reasonable expenses.

 

		8.	Non-Admission: Executive acknowledges and agrees that neither this Agreement nor any actions or statements taken hereunder constitute
nor are they to be construed as an acknowledgement, evidence or admission of any liability or violation of any law or statute, the common
law, or any agreement which exists or which allegedly may exist by and among Executive and any or all of the Releasees. Releasees specifically
deny and disclaim any liability.

 

		9.	Hold Harmless: If the Company contends that a breach of this Agreement has occurred, Company will notify Executive of the nature of
the alleged breach. Executive will have thirty (30) days to respond to cure or provide evidence that such alleged breach did not occur.
If such alleged breach is not cured within such thirty (30) day period, any and all future financial obligations under this Agreement
shall be held in abeyance until resolution of the alleged breach. If the breach is proven, and in addition to any other damages the Company
can prove, Employee shall forfeit any and all future financial obligations that were due and owing after the breach and agrees to immediately
repay any and all monies Employee received from the Company. Employee shall indemnify and hold Releasees harmless
from and against any and all loss, costs, damage or expense, including without limitation, reasonable attorneys’ fees, incurred
by any or all of the Releasees that arise out of any breach of this Agreement by Employee. In the event Employee is able to prove a breach
of this Agreement by the Company, or the Company’s alleged breach is not proven, the Company shall indemnify Employee for reasonable
attorneys’ fees Employee incurs in enforcing this Agreement.

 

     

     

    

 

		10.	Alteration/Choice of Law

 

		a.	This Agreement may not be altered or modified except by the mutual agreement of the parties, evidenced in writing executed by both
parties and specifically identified as an amendment to this Agreement. This Agreement shall be governed by and interpreted in accordance
with the laws of the Commonwealth of Pennsylvania without giving effect to its conflict of laws provisions. If, for any reason, any part
or language within any part of this Agreement shall be deemed invalid or unenforceable, all remaining parts shall remain binding and in
full force and effect.

 

		b.	Executive represents and acknowledges that in executing this Agreement Executive does not rely upon any representation or statement
made by any Company representative with regard to the subject matter, basis or effect of this Agreement. Executive has read the Agreement,
understands its terms and has entered into this Agreement freely and voluntarily.

 

		11.	Review and Revocation Rights. Pursuant to and in compliance with the Older Workers Benefit Protections Act, Executive:

 

		a.	acknowledges that Executive voluntarily waives any or all rights or claims under the Age Discrimination in Employment Act;

 

		b.	acknowledges that Executive has been advised that he/she should consult with an attorney or other third party at Executive’s
sole expense in deciding whether to sign this Agreement, acknowledges that he/she has in fact consulted with an attorney, and also agrees
that this Agreement is written in a manner that enables Executive fully to understand its content and meaning;

 

		c.	agrees and acknowledges that Executive has been given at least fifty-two (52) days within which to consider this Agreement. To the
extent the Executive executes this Agreement prior to the expiration of the 52-day period, Executive hereby waives her right to the balance
of such period of consideration and acknowledges that her waiver of this period is knowing, voluntary and has not been induced by any
fraud, misrepresentation, or a threat to withdraw or alter the terms of this Agreement by Releases or anyone else. Executed agreements
should be returned to: Idera Human Resources, 505 Eagleview Blvd., Suite 212, Exton PA 19341; and

 

		d.	acknowledges that Executive may revoke this Agreement during the seven (7) days following its execution,
and that this Agreement shall not become effective or enforceable until the revocation period has expired. Therefore, Executive acknowledges
that she is not waiving any rights or claims that may arise after the date she executes this waiver of ADEA rights. To
be effective, Executive’s revocation of this Agreement must be in writing and delivered to: Idera Human Resources, 505 Eagleview
Blvd., Suite 212, Exton PA 19341 on or before the effective date of revocation.

 

		12.	No Employment. Executive agrees that she is not eligible for future employment or any employment
or contract, consulting or advisor relationship with Company or any other Releasee, and that Executive will not seek or accept any
such relationship; and that Company and all other Releasees are entitled to reject without cause any application, offer or proposal made
by Executive.

 

		13.	Conflict. In the event of a conflict between this Agreement and the Severance Agreement, this Agreement shall control.

 

     

     

    

 

This Agreement is binding upon Executive and upon Executive’s
respective heirs, administrators, representatives, executors, assigns and shall inure to the benefit of Releasees and their respective
heirs, administrators, representatives, executors, successors and assigns.

 

By signing below, the parties signify that they have read the terms
of this Agreement, fully understand its terms, are voluntarily agreeing to those terms, and intend to be legally bound.

 

IN WITNESS WHEREOF, the foregoing is agreed to by each party.

 

	EXECUTIVE	 	IDERA PHARMACEUTICALS, INC.
	 	 	 	 
	/s/ Elizabeth A. Tarka, M.D.	 	/s/ Vincent J. Milano
	Elizabeth A. Tarka, M.D.	 	By: 	Vincent J. Milano               
	 	 	 	Chief Executive Officer 
	 	 	 	 
	Date: May 18, 2021	 	Date: May 18, 2021

 

EXECUTIVE RE-EXECUTION IN ACCORDANCE WITH SECTION 4. 

	 	 	 	 

 

	Date:EX-4.1

 Exhibit 4.1 

SECOND AMENDMENT TO RIGHTS AGREEMENT 

This Second Amendment to Rights Agreement (this “Amendment”), dated as of May 17, 2021 (the “Effective
Date”), between R. R. Donnelley & Sons Company, a Delaware corporation (the “Company”), and Computershare Trust Company, N.A., a federally chartered trust company (the “Rights Agent”), amends the
Rights Agreement, dated as of August 28, 2019, between the Company and the Rights Agent, as amended by the First Amendment to Rights Agreement, dated as of August 17, 2020, between the Company and the Rights Agent (the “Rights
Agreement”). 
 W I T N E S S E T H 

WHEREAS, the Company and the Rights Agent are party the Rights Agreement; 

WHEREAS, pursuant to Section 27 of the Rights Agreement, prior to the Distribution Date, the Company and the Rights Agent shall, if the
Company so directs, supplement or amend any provision of the Rights Agreement (including the Final Expiration Date) without the approval of any holders of shares of Common Stock; 

WHEREAS, the board of directors of the Company has determined that it is in the best interests of the Company and its stockholders to amend
the Rights Agreement on the terms set forth herein; 
 WHEREAS, the Company hereby directs the Rights Agent to enter into this Amendment;
and 
 WHEREAS, the Company has delivered to the Rights Agent a certificate from an Authorized Officer that states that this Amendment is in
compliance with the terms of Section 27 of the Rights Agreement. 
 NOW, THEREFORE, in consideration of the premises and the mutual
agreements herein set forth, the parties agree as follows: 
 Section 1. Amendment of Section 1 of Rights
Agreement. Paragraph (a) and paragraph (t) of Section 1 of the Rights Agreement are hereby amended by removing each reference therein to “ten percent (10%)” and replacing each such reference with “fifteen percent
(15%).” 
 Section 2. Amendment of Exhibit C to Rights Agreement. The second and third paragraphs in
Exhibit C to the Rights Agreement are hereby amended by removing each reference therein to “ten percent (10%)” and replacing each such reference with “fifteen percent (15%).” 

Section 3. No Other Amendment; Effect of Amendment. The parties acknowledge and agree that, except as specifically amended hereby,
the Rights Agreement shall remain in full force and effect in accordance with its terms. This Amendment is an amendment to 

 
the Rights Agreement and shall become effective on the Effective Date. All references to the Rights Agreement shall, from and after the Effective Date, be deemed to be references to the Rights
Agreement as amended hereby, provided that, notwithstanding anything to the contrary, references to “public announcement of this Agreement” and the “first public announcement of this Agreement” are to such announcement on
August 28, 2019, and references to “the date of this Agreement” are to August 28, 2019. 
 Section 4.
Severability. If any term, provision, covenant or restriction of this Amendment is held by a court of competent jurisdiction or other authority to be invalid, void or unenforceable, the remainder of the terms, provisions, covenants and
restrictions of this Amendment shall remain in full force and effect and shall in no way be affected, impaired or invalidated; provided, however, that, notwithstanding anything in this Amendment or the Rights Agreement to the contrary,
if any such term, provision, covenant or restriction is held by such court or authority to be invalid, void or unenforceable and the Board determines in its good faith judgment that severing the invalid language from this Amendment would adversely
affect the purpose or effect of the Rights Agreement as amended hereby, the right of redemption set forth in Section 23 of the Rights Agreement shall be reinstated and shall not expire until the close of business on the tenth Business Day
following the date of such determination by the Board. 
 Section 5. Governing Law. This Amendment shall be deemed to be a
contract made under the laws of the State of Delaware and for all purposes shall be governed by and construed in accordance with the laws of such state applicable to contracts made and to be performed entirely within such state; provided,
however, that all provisions regarding the rights, duties and obligations of the Rights Agent shall be governed by and construed in accordance with the laws of the State of New York applicable to contracts made and to be performed entirely
within the State of New York, without regard to the principles or rules concerning conflicts of laws which might otherwise require application of the substantive laws of another jurisdiction. 

Section 6. Counterparts. This Amendment may be executed in any number of counterparts and each of such counterparts shall for all
purposes be deemed to be an original, and all such counterparts shall together constitute but one and the same instrument. A signature to this Amendment transmitted electronically shall have the same authority, effect and enforceability as an
original signature. 
 Section 7. Descriptive Headings; Interpretation. Descriptive headings of the several sections of this
Amendment are inserted for convenience only and shall not control or affect the meaning or construction of any of the provisions hereof. Whenever the words “include,” “includes” or “including” are used in this
Amendment, they shall be deemed to be followed by the words “without limitation.” 
 Section 8. Defined Terms. Except
as otherwise expressly provided herein, or unless the context otherwise requires, all capitalized terms used herein have the meanings assigned to them in the Rights Agreement. 

[Signature page follows.] 

  
 2 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed and
effective as of the day and year above written. 
  

			
	R. R. DONNELLEY & SONS COMPANY
		
	By:	 	 /s/ Deborah L. Steiner

	Name:	 	Deborah L. Steiner
	Title:	 	Executive Vice President, General Counsel
	
	COMPUTERSHARE TRUST COMPANY, N.A.
		
	By:	 	 /s/ Fred Papenmeier

	Name:	 	Fred Papenmeier
	Title:	 	Vice President & Manager

 [SECOND AMENDMENT TO RIGHTS
AGREEMENT]

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