Document:

EX-4.6

 Exhibit 4.6 

[Form of Warrant Certificate] 

[FACE] 
 Number 

Warrants 
 THIS WARRANT
SHALL BE VOID IF NOT EXERCISED PRIOR TO 
 THE EXPIRATION OF THE EXERCISE PERIOD PROVIDED FOR 

IN THE WARRANT AGREEMENT DESCRIBED BELOW 

ALPHA TAU MEDICAL LTD. 

Organized Under the Laws of the 
State of Israel 
 CUSIP [•] 

Warrant Certificate 

This Warrant Certificate certifies that
                , or registered assigns, is the registered holder of warrant(s) evidenced hereby (the “Warrants” and each, a
“Warrant”) to purchase ordinary shares, no par value (“Ordinary Shares”), of Alpha Tau Medical Ltd., a company organized under the laws of the State of Israel (the “Company”).
Each Warrant entitles the holder, upon exercise during the period set forth in the Warrant Agreement referred to below, to receive from the Company that number of fully paid
and non-assessable Ordinary Shares as set forth below, at the exercise price (the “Exercise Price”) as determined pursuant to the Warrant
Agreement, payable in lawful money (or through “cashless exercise” as provided for in the Warrant Agreement) of the United States of America upon surrender of this Warrant Certificate and
payment of the Exercise Price at the office or agency of the Warrant Agent referred to below, subject to the conditions set forth herein and in the Warrant Agreement. Defined terms used in this Warrant Certificate but not defined herein shall have
the meanings given to them in the Warrant Agreement. 
 Each whole Warrant is initially exercisable for one fully paid and non-assessable Ordinary Share. No fractional shares will be issued upon exercise of any Warrant. If, upon the exercise of Warrants, a holder would be entitled to receive a fractional interest in an
Ordinary Share, the Company will, upon exercise, round down to the nearest whole number the number of Ordinary Shares to be issued to the Warrant holder. The number of Ordinary Shares issuable upon exercise of the Warrants is subject to adjustment
upon the occurrence of certain events set forth in the Warrant Agreement. 

 The initial Exercise Price per Ordinary Share for any Warrant is equal to $11.50 per whole
share. The Exercise Price is subject to adjustment upon the occurrence of certain events set forth in the Warrant Agreement. 
 Subject to
the conditions set forth in the Warrant Agreement, the Warrants may be exercised only during the Exercise Period and to the extent not exercised by the end of such Exercise Period, such Warrants shall become void. 

Reference is hereby made to the further provisions of this Warrant Certificate set forth on the reverse hereof and such further provisions
shall for all purposes have the same effect as though fully set forth at this place. 
 This Warrant Certificate shall not be valid unless
countersigned by the Warrant Agent, as such term is used in the Warrant Agreement. 
 This Warrant Certificate shall be governed by and
construed in accordance with the internal laws of the State of New York, without regard to conflicts of laws principles thereof. 
  

			
	ALPHA TAU MEDICAL LTD.
		
	By:	 	
                     
    

	Name:	 	  

	Title:	 	  

	
	CONTINENTAL STOCK TRANSFER & TRUST COMPANY, as Warrant Agent
		
	By:	 	  

	Name:	 	  

	Title:	 	  

 [Form of Warrant Certificate] 

[Reverse] 
 The Warrants
evidenced by this Warrant Certificate are part of a duly authorized issue of Warrants entitling the holder on exercise to receive Ordinary Shares and are issued or to be issued pursuant to an Amended and Restated Warrant Agreement dated as of
                , 2022 (the “Warrant Agreement”), by and among Healthcare Capital Corp., the Company and
Continental Stock Transfer & Trust Company, as warrant agent (the “Warrant Agent”), which Warrant Agreement is hereby incorporated by reference in and made a part of this instrument
and is hereby referred to for a description of the rights, limitation of rights, obligations, duties and immunities thereunder of the Warrant Agent, the Company and the holders (the words “holders” or
“holder” meaning the Registered Holders or Registered Holder, respectively) of the Warrants. A copy of the Warrant Agreement may be obtained by the holder hereof upon written request to the Company. Defined terms used in this
Warrant Certificate but not defined herein shall have the meanings given to them in the Warrant Agreement. 
 Warrants may be exercised at
any time during the Exercise Period set forth in the Warrant Agreement. The holder of Warrants evidenced by this Warrant Certificate may exercise them by surrendering this Warrant Certificate, with the form of election to purchase set forth hereon
properly completed and executed, together with payment of the Exercise Price as specified in the Warrant Agreement (or through “cashless exercise” as provided for in the Warrant Agreement) at the principal corporate trust office of the
Warrant Agent. In the event that upon any exercise of Warrants evidenced hereby the number of Warrants exercised shall be less than the total number of Warrants evidenced hereby, there shall be issued to the holder hereof or his, her or its
assignee, a new Warrant Certificate evidencing the number of Warrants not exercised. 
 Notwithstanding anything else in this Warrant
Certificate or the Warrant Agreement, no Warrant may be exercised unless at the time of exercise (i) a registration statement covering the Ordinary Shares to be issued upon exercise is effective under the Securities Act and (ii) a
prospectus thereunder relating to the Ordinary Shares is current, except through “cashless exercise” as provided for in the Warrant Agreement. 

The Warrant Agreement provides that upon the occurrence of certain events the number of Ordinary Shares issuable upon exercise of the Warrants
set forth on the face hereof may, subject to certain conditions, be adjusted. If, upon exercise of a Warrant, the holder thereof would be entitled to receive a fractional interest in an Ordinary Share, the Company shall, upon exercise, round down to
the nearest whole number of Ordinary Shares to be issued to the holder of the Warrant. 
 Warrant Certificates, when surrendered at the
principal corporate trust office of the Warrant Agent by the Registered Holder thereof in person or by legal representative or attorney duly authorized in writing, may be exchanged, in the manner and subject to the limitations provided in the
Warrant Agreement, but without payment of any service charge, for another Warrant Certificate or Warrant Certificates of like tenor evidencing in the aggregate a like number of Warrants. 

 Upon due presentation for registration of transfer of this Warrant Certificate at the office
of the Warrant Agent a new Warrant Certificate or Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee(s) in exchange for this Warrant Certificate, subject to the limitations
provided in the Warrant Agreement, without charge except for any tax or other governmental charge imposed in connection therewith. 
 The
Company and the Warrant Agent may deem and treat the Registered Holder(s) hereof as the absolute owner(s) of this Warrant Certificate (notwithstanding any notation of ownership or other writing hereon made by anyone), for the purpose of any exercise
hereof, of any distribution to the holder(s) hereof, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary. Neither the Warrants nor this Warrant Certificate entitles any holder
hereof to any rights of a stockholder of the Company. 

 Election to Purchase 

(To Be Executed Upon Exercise of Warrant) 

The undersigned hereby irrevocably elects to exercise the right, represented by this Warrant Certificate, to receive
                 Ordinary Shares and herewith tenders payment for such Ordinary Shares to the order of Alpha Tau Medical Ltd.
(the “Company”) in the amount of $                 in accordance with the terms hereof. The undersigned requests that a certificate for such
Ordinary Shares be registered in the name of                 , whose address is and that such Ordinary Shares be delivered
to                 whose address is                 . If said number of Ordinary Shares
is less than all of the Ordinary Shares purchasable hereunder, the undersigned requests that a new Warrant Certificate representing the remaining balance of such Ordinary Shares be registered in the name
of                , whose address is                 and that such Warrant Certificate be
delivered to                , whose address is                . 

In the event that the Warrant has been called for redemption by the Company pursuant to Section 6 of the Warrant Agreement and the
Company has required cashless exercise pursuant to Section 6.3 of the Warrant Agreement, the number of Ordinary Shares that this Warrant is exercisable for shall be determined in accordance with subsection 3.3.1(b) and
Section 6.3 of the Warrant Agreement. 
 In the event that the Warrant is a Private Placement Warrant or a Working Capital
Warrant that is to be exercised on a “cashless” basis pursuant to subsection 3.3.1(c) of the Warrant Agreement, the number of Ordinary Shares that this Warrant is exercisable for shall be determined in accordance with
subsection 3.3.1(c) of the Warrant Agreement. 
 In the event that the Warrant is to be exercised on a “cashless”
basis pursuant to Section 7.4 of the Warrant Agreement, the number of Ordinary Shares that this Warrant is exercisable for shall be determined in accordance with Section 7.4 of the Warrant Agreement. 

In the event that the Warrant may be exercised, to the extent allowed by the Warrant Agreement, through cashless exercise (i) the number
of Ordinary Shares that this Warrant is exercisable for would be determined in accordance with the relevant section of the Warrant Agreement which allows for such cashless exercise and (ii) the holder hereof shall complete the following: The
undersigned hereby irrevocably elects to exercise the right, represented by this Warrant Certificate, through the cashless exercise provisions of the Warrant Agreement, to receive Ordinary Shares. If said number of Ordinary Shares is less than all
of the Ordinary Shares purchasable hereunder (after giving effect to the cashless exercise), the undersigned requests that a new Warrant Certificate representing the remaining balance of such Ordinary Shares be registered in the name
of                , whose address is                  and that such Warrant Certificate
be delivered to                , whose address is                . 

[Signature Page Follows] 

							
	Date:             , 20	 		 		 	  

		 		 		 	(Signature)
				
		 		 		 	  

		 		 		 	  

		 		 		 	  

		 		 		 	(Address)
				
		 		 		 	  

		 		 		 	(Tax Identification Number)

  

	
	Signature Guaranteed:
	
	  

 THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS
AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE)).Exhibit 10.1

 

RESTRICTED STOCK AWARD

 

	Name:  Dave Schaeffer	Cogent Communications Holdings, Inc.
	Grant Date: January 3, 2022	2017 Incentive Award Plan (the “Plan”)

 

1.            Grant:
Effective as of the Grant Date specified above you have been granted 72,000 (seventy two thousand) Shares (“Time Vesting Shares”)
and up to 88,000 (eighty eight thousand) performance-vesting Shares of (the “Performance Vesting Shares” and along with the
Time Vesting Shares the “Restricted Shares”) of Cogent Communications Holdings, Inc. (the “Company”) subject
to the vesting requirements described below. Defined terms used but not otherwise defined herein will have the meaning set forth in the
Plan.

 

2.            Normal
Vesting: You will become vested in 6,000 of the Time Vesting Shares on January 1, 2025 and
in an additional 6,000 of the Time Vesting Shares on the first day of each month thereafter, with full vesting of 72,000 Time Vesting
Shares completed on December 1, 2025. The Performance Vesting Shares shall vest on April 1, 2026 as follows:

 

(a) up to 29,333 of the Performance Vesting Shares shall
vest only if the Company’s percentage growth in revenue, as set forth in the Company’s audited financial statements, (“Revenue
Growth Rate”) for the performance period beginning January 1, 2022 through December 31, 2025 (the “Performance Period”)
is positive. If Company’s Revenue Growth Rate for the Performance Period is positive, then the number of Performance Vesting Shares
that will be vested is determined by dividing (i) the Company’s actual Revenue Growth Rate, by (ii) the product of (x) the
percentage growth in the revenue for the companies comprising the Nasdaq Telecommunications Index (“NTI”) measured from the
beginning of the Performance Period against the revenue of the companies comprising the NTI at the end of the Performance Period and (y) 1.5,
and then multiplying the resulting fraction by 29,333, provided, however that the number of Performance Vesting Shares that will vest
in accordance with this clause (a) shall not exceed 29,333 Shares. If the Company’s Revenue Growth Rate for the Performance
Period is less than zero then no Performance Vesting Shares subject to this clause (a) will vest. Revenue Growth Rate for the Company
and the NTI shall be calculated using organic growth only, excluding any impact of any merger, acquisition or business combination. Any
Performance Vesting Shares subject to this clause (a) which do not vest at the end of the Performance Period will be forfeited and
cancelled;

 

(b) up to 29,333 of the Performance Vesting Shares shall
vest only if the Company’s percentage growth in cash flow from operating activities, as set forth in the Company’s audited
financial statements, (“Cash Flow Growth Rate”) during the Performance Period is positive. If Company’s Cash Flow Growth
Rate for the Performance Period is positive, then the number of Performance Vesting Shares that will be vested is determined by dividing
(i) the Company’s actual Cash Flow Growth Rate, by (ii) the product of (x) the percentage growth in cash flow from
operating activities for companies comprising the NTI at the beginning of the Performance Period as compared to the cash flow from operating
activities of the companies comprising the NTI at the end of the Performance Period and (y) 2, and then multiplying the resulting
fraction by 29,333, provided, however that the number of Performance Vesting Shares that will vest in accordance with this clause (b) shall
not exceed 29,333 Shares. If the Company’s Cash Flow Growth Rate for the Performance Period is less than zero then no Performance
Vesting Shares subject to this clause (b) will vest. Cash Flow Growth Rate for the Company and the NTI shall be calculated using
organic growth only, excluding any impact of any merger, acquisition or business combination. Any Performance Vesting Shares subject to
this clause (b) which do not vest at the end of the Performance Period will be forfeited and cancelled; and

 

     

     

    

 

(c) up to 29,334 of the Performance Vesting Shares shall
vest only if the Company’s total shareholder return (“TSR”) for the Performance Period is positive. If Company’s
TSR is positive, then the number of Performance Vesting Shares that will be vested is determined by dividing the Company’s TSR by
the TSR of the NTI for the Performance Period and multiplying that percentage by 29,334; provided, however that the number of Performance
Vesting Shares that will vest in accordance with this clause (c) shall not exceed 29,334 Shares. If the Company’s TSR for the
Performance Period is zero or negative then no Performance Vesting Shares subject to this clause (c) will vest. Any Performance Vesting
Shares subject to this clause (c) which do not vest at the end of the Performance Period will be forfeited and cancelled. TSR is
calculated by comparing an amount invested in the Company to the same amount invested in the NTI at the beginning of the performance period
with all dividends reinvested during the performance. In calculating the TSR the average price of the Company’s stock and of the
NTI in the 20 trading days prior to the measurement dates shall be used.

 

3.            Accelerated
Vesting: Notwithstanding Section 2, vesting in the Restricted Shares upon the following
events will be treated as follows:

 

(a)            Upon
the termination of your employment by reason of death, or disability you will fully vest in all unvested Time Vesting Shares and Performance
Vesting Shares. Upon termination of your employment due to retirement you will fully vest in all Time Vesting Shares and upon expiration
of the Performance Period you will vest in any Performance Vesting Shares in accordance with Section 2 based on actual performance
through and at the end of the Performance Period.

 

(b)            If
your employment is terminated entitling you to severance under the terms of your employment agreement either prior to a Change in Control
or more than six months after a Change in Control, then you will vest in (i) the number of Time Vested Shares you would have vested
in had you remained employed during the severance period, which is the number of months used to calculate severance under your employment
agreement( e.g. 6 months or 12 months) and (ii) at the end of the Performance Period you will vest in the number of Performance Vesting
Shares that vest in accordance with Section 2 above, based on actual performance through and at the end of the Performance Period,
but pro-rated based on the number of days elapsed from the beginning of the Performance Period through the last day of your severance
period.

 

(c)            Immediately
prior to a Change in Control the Performance Period will end and the number of Performance Vesting Shares in which you will be eligible
to vest in will be determined based on Revenue Growth Rate and Cash Flow Growth Rate through the most recently publicly reported fiscal
quarter ending prior to the Change in Control and TSR through the date of the Change in Control provided you remain employed through January 1,
2025; provided, however, you will be fully vested in such number of Performance Vesting Shares and fully vested in your unvested Time
Vested Shares (i) if during the six months following the Change of Control the Company terminates your employment without cause (as
defined in your employment agreement with the Company) or you terminate your employment for Good Reason (as defined in your employment
agreement with the Company) or (ii) as otherwise provided in Section 3(a) above treating the Performance Vesting Shares
which vest under the provisions of this Section 3(c) as Time Vesting Shares for such purposes.

 

    2 

     

    

 

4.            Nontransferable:
The Restricted Shares or any interest or right therein or part thereof may not be disposed of by transfer, alienation, anticipation, pledge,
hypothecation, encumbrance, assignment or any other means, whether such disposition be voluntary or involuntary or by operation of law
by judgment, levy, attachment, garnishment or any other legal or equitable proceedings (including bankruptcy), until vested, and any attempted
disposition prior thereto shall be null and void and of no effect. The foregoing notwithstanding, transfers of the Restricted Shares may
be permitted for estate planning purposes with the prior written consent of the Committee and subject in each case to the provisions of
the Plan and the same restrictions and forfeiture provisions under this Agreement that the Restricted Shares had in your hands.

 

5.            Dividends/Voting:
You will be entitled to vote the Restricted Shares. However, you will only be entitled to receive any dividends that are paid on shares
of the Restricted Shares once they are vested. Any dividends paid on unvested Restricted Shares shall be held by the Company, without
interest thereon and paid to you at the time the Restricted Shares on which such dividends were paid vest.

 

6.            Certificates:
The Company shall cause the Restricted Shares to be issued and a stock certificate or certificates representing the Restricted Shares
to be registered in your name or held in book entry form, but if a stock certificate or certificates are issued, they shall be delivered
to, and held in custody by the Company until the shares of Restricted Shares vest. You agree to give to the Company a stock power, except
for voting rights, for all unvested Restricted Shares. If issued, each such certificate will bear such legends as the Company may determine.

 

7.            No
Other Rights: The grant of Restricted Shares under the Plan is a one-time benefit and does not
create any contractual or other right to receive an award of Restricted Shares or benefits in lieu of Restricted Shares in the future.
Future awards of Restricted Shares, if any, will be at the sole discretion of the Company, including, but not limited to, the timing of
the award, the number of shares and vesting provisions. The grant of Restricted Shares under the Plan does not entitle you to any rights
to remain employed with the Company, nor does it constitute a contract of employment.

 

8.            Miscellaneous:
The shares of Restricted Shares are granted under and governed by the terms and conditions of
the Plan, as may be amended from time to time. Defined terms used herein shall have the meaning set forth in the Plan, unless otherwise
defined herein.

 

9.            280G:
Notwithstanding anything in this Agreement to the contrary, if the acceleration of vesting and
any other payments to be made you (a “Payment”) would (i) constitute a “parachute payment” under Section 280G
of the Code and (ii) but for this Section 9 be subject to the excise tax imposed by Section 4999 of the Code (the “Excise
Tax”), then either (A) such Payments shall be reduced to the maximum amount that could be paid to you without any portion of
the Payment (after reduction) being subject to the Excise Tax, or (B) the entire Payment, shall be paid if after taking into account
all applicable federal, state and local taxes and the Excise Tax would provide a more favorable net after tax benefit to you (i.e., because
the after tax proceeds to you of the reduced Payments and other benefits under this Agreement would exceed the after tax proceeds to you
of Payments in the absence of any reduction, taking into account the Excise Tax applicable to such Payments). If a reduction in a Payment
is to be made under clause (ii)(A), then the reduction will be made as determined by the Company in a manner that results in your retaining
the largest amounts of Payments which are payable in cash or equity at or as close to the event giving rise to the change in control as
possible, such as by first reducing your rights to any Payments that are contingent upon the occurrence of later events (such as severance).
Any determination of whether any portion of the Payments constitutes a “parachute payment” within the meaning of Section 280G(b) of
the Code, shall be made by a nationally recognized accounting firm selected by the Company, which may make reasonable assumptions and
approximations concerning applicable taxes and may rely on reasonable good faith interpretations concerning the application of Sections
280G and 4999 of the Code. In no event will the Company or any stockholder be liable to Executive for any amounts not paid as a result
of the operation of this Section 9.

 

    3 

     

    

 

Cogent Communications Holdings, Inc.

 

	By:	/s/John Chang	 
		John Chang on behalf of the Board of Directors and the Compensation Committee	 

 

    4

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