Document:

Exhibit 10.8

 

THIS UNSECURED CONVERTIBLE PROMISSORY NOTE
AND ANY SECURITIES INTO WHICH THIS UNSECURED CONVERTIBLE PROMISSORY NOTE IS CONVERTIBLE HAVE BEEN ACQUIRED FOR INVESTMENT AND HAVE NOT
BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR QUALIFIED UNDER ANY STATE SECURITIES LAWS. SUCH
SECURITIES MAY NOT BE SOLD OR OFFERED FOR SALE OR OTHERWISE DISTRIBUTED EXCEPT (I) IN CONJUNCTION WITH AN EFFECTIVE REGISTRATION STATEMENT
FOR THE SECURITIES UNDER THE ACT, (II) IN COMPLIANCE WITH RULE 144, OR (III) PURSUANT TO AN OPINION OF COUNSEL, REASONABLY SATISFACTORY
TO THE COMPANY, THAT SUCH REGISTRATION OR COMPLIANCE IS NOT REQUIRED AS TO SAID SALE, OFFER OR DISTRIBUTION. THIS UNSECURED CONVERTIBLE
PROMISSORY NOTE AND ANY SECURITIES INTO WHICH THIS UNSECURED CONVERTIBLE PROMISSORY NOTE IS CONVERTIBLE ARE SUBJECT TO RESTRICTIONS ON
TRANSFER CONTAINED IN THAT CERTAIN NOTE PURCHASE AGREEMENT, DATED JUNE 17, 2020, WHICH RESTRICTIONS ON TRANSFER ARE INCORPORATED HEREIN
BY REFERENCE.

 

UNSECURED CONVERTIBLE PROMISSORY NOTE

$________

_________, 202_

 

FOR VALUE RECEIVED, TIVIC HEALTH
SYSTEMS INC., a California corporation (the “Company”), promises to pay to the order of ________________, or his, her
or its permitted registered assigns (“Holder”) the principal sum of ________________ Dollars ($__________.00) (the
 “Principal Amount”) with simple interest thereon at the rate of the lesser of (i) 3.0% per annum (computed on the basis
of actual calendar days elapsed and a year of 365 days) or (ii) the highest rate of interest then permitted under applicable law. Interest
shall commence with the date hereof and shall continue on the outstanding Principal Amount of this Unsecured Convertible Promissory Note
(this “Note”) until paid or converted in accordance with the provisions hereof.

 

The following is a statement
of the rights of Holder and the conditions to which this Note is subject, and to which the Holder, by the acceptance of this Note, agrees:

 

1.                  
Definitions. For purposes of this Note, capitalized terms used herein but not otherwise defined herein shall
have the meaning set forth in this Section 1:

 

1.1              
“Business Day” means any day which is not a Saturday or Sunday or a legal holiday on which banks are
authorized or required to be closed in California.

 

1.2              
“Cap” means an amount of $40,000,000.

 

1.3              
 “Change in Control” means, unless otherwise determined by the Company and the holders of at least a
majority of the aggregate Principal Amount of all of the then issued and outstanding Bridge Notes:

 

(a)               
The direct or indirect sale or transfer, in a single transaction or a series of related transactions, by the shareholders
of the Company of voting securities, in which the holders of the outstanding voting securities of the Company immediately prior to such
transaction or series of transactions hold, as a result of holding Company securities prior to such transaction, in the aggregate, securities
possessing less than fifty percent (50%) of the total combined voting power of all outstanding voting securities of the Company or of
the acquiring entity immediately after such transaction or series of related transactions;

     

     

    

 

(b)               
A merger or consolidation in which the Company is not the surviving entity, except for a transaction in which the holders
of the outstanding voting securities of the Company immediately prior to such merger or consolidation hold as a result of holding Company
securities prior to such transaction, in the aggregate, securities possessing more than fifty percent (50%) of the total combined voting
power of all outstanding voting securities of the surviving entity (or the parent of the surviving entity) immediately after such merger
or consolidation;

 

(c)               
A reverse merger in which the Company is the surviving entity but in which the holders of the outstanding voting securities
of the Company immediately prior to such merger hold as a result of holding Company securities prior to such transaction, in the aggregate,
securities possessing less than fifty percent (50%) of the total combined voting power of all outstanding voting securities of the Company
or of the acquiring entity immediately after such merger; or

 

(d)               
The sale, transfer or other disposition (in one transaction or a series of related transactions) of all or substantially
all of the assets of the Company, except for a transaction in which the holders of the outstanding voting securities of the Company immediately
prior to such transaction(s) receive as a distribution with respect to securities of the Company, in the aggregate, securities possessing
more than fifty percent (50%) of the total combined voting power of all outstanding voting securities of the acquiring entity immediately
after such transaction(s), provided however, that the term “Change in Control” shall not include, for the purposes of this
Note, (A) a merger of the Company effected exclusively for the purpose of changing the domicile of the Company, or (B) the transfer of
more than fifty percent (50%) of the total combined voting power of all outstanding voting securities in an equity financing for bona
fide capital raising purposes.

 

1.4              
“Common Stock” means the Common Stock of the Company.

 

1.5              
“Conversion” means any conversion of this Note in connection with a Qualified Financing, Change in Control
or Mandatory Conversion, as the case may be, in accordance with the provisions hereof.

 

1.6              
“Convertible Securities” means evidences of convertible indebtedness, shares of Preferred Stock of the
Company, or other securities or instruments (other than Options) which are, directly or indirectly, convertible into or exchangeable for
shares of Common Stock, either immediately or upon the arrival of a specified date or the occurrence of a specified event.

 

1.7              
“Fully Diluted Basis” means the sum of (i) the total number of shares of Common Stock issued and outstanding
immediately prior to the applicable Conversion, and (ii) the total number of shares of Common Stock issuable, directly or indirectly,
upon conversion of all outstanding Options and Convertible Securities (other than the Bridge Notes and other Convertible Securities that
will convert into Qualified Securities, Shadow Preferred or Preferred Conversion Stock, as the case may be, in connection with a Conversion),
and (iii) shares of Common Stock reserved and available for future grant under the Company’s equity incentive or similar plans,
in each case, immediately prior to such Conversion

 

1.8              
“Options” means any rights, warrants, options or similar rights to subscribe for or to purchase Common
Stock or Convertible Securities, whether vested or unvested.

 

1.9              
“Preferred Conversion Price” means a price per share of Preferred Conversion Stock of $1.4034, as adjusted
for as adjusted for any stock splits, stock dividends, combinations, subdivisions, recapitalizations or the like.

 

1.10          
“Preferred Conversion Stock” means Series Seed-1 Preferred.

 

    2

     

    

 

1.11          
“Qualified Financing” means the closing of an equity financing undertaken by the Company after the date
hereof and before the Maturity Date, principally for capital raising purposes, in which the aggregate amount of gross proceeds (not including
cancellation of the indebtedness represented by all Bridge Notes and other Convertible Securities that will convert into shares of Qualified
Securities or Shadow Preferred, as the case may be, in connection with such Conversion) received by the Company from the sale of any series
of its equity securities totals at least $2,000,000 in the aggregate.

 

1.12          
“Qualified Securities” means the securities sold by the Company, and purchased by investors, in a Qualified
Financing (other than Shadow Preferred).

 

1.13          
“Series Seed-1 Preferred” means the shares of Series Seed-1 Preferred stock of the Company.

 

1.14          
“Series Seed Transaction Documents” means, collectively (i) the Series Seed-1, Seed-2, Seed-3 and Seed-4
Preferred Stock Investment Agreement, dated as of July 16, 2019, by and among the Company and the investors who are a party thereto, and
(ii) the Voting Agreement, dated as of July 16, 2019, by and among the Company and the investors who are a party thereto.

 

1.15          
“Shadow Preferred” means the shares of a series of Preferred Stock issued to Holder and the holders of
the other Bridge Notes in the Qualified Financing, having identical rights, privileges, preferences and restrictions as the shares of
Qualified Securities, other than with respect to: (i) the per share liquidation preference and the conversion price for purposes of price-based
anti-dilution protection, which will equal the applicable conversion price determined to effect a Conversion of this Note in accordance
with the provisions hereof; and (ii) the basis used to determine any dividend rights, which shall be the same percentage of the conversion
price determined to effect a Conversion of this Note in accordance with the provisions hereof as applied to determine the per share dividend
rights of purchasers of Qualified Securities, relative the purchase price paid by the purchasers thereof.

 

1.16          
 “Transaction Documents” means the Note Purchase Agreement and the Bridge Notes.

 

2.                  
Note. This Note is issued pursuant to the terms of that certain Note Purchase Agreement dated as of June 17,
2020, by and among the Company and the investors who are parties thereto (the “Note Purchase Agreement”). This Note
is one of a series of convertible promissory notes (the “Bridge Notes”) having like tenor and effect (except for variations
necessary to express the name of the holder thereof, the principal amount of each of the Bridge Notes the dates upon which each Bridge
Note is issued by the Company in accordance with the terms of the Note Purchase Agreement and such variations as may be agreed upon by
the Company and the holder of a Bridge Note).

 

3.                  
Maturity. Unless sooner paid or converted in accordance with the terms hereof, the entire unpaid Principal
Amount and all unpaid accrued interest shall become fully due and payable on June 1, 2022 (the “Maturity Date”).

 

    3

     

    

 

4.                  
Payments.

 

4.1              
Form of Payment. All payments of interest and principal (other than payment by way of conversion) shall be in lawful
money of the United States of America to Holder, at the address specified in the Note Purchase Agreement, or at such other address as
may be specified from time to time by Holder in a written notice delivered to the Company. All payments shall be applied first to accrued
interest, and thereafter to the Principal Amount.

 

4.2              
Prepayment. The Principal Amount may not be prepaid by the Company prior to the Maturity Date without the consent
of Holder.

 

5.                  
Automatic Conversion Upon Qualified Financing.

 

5.1              
Conversion. This Note shall be automatically canceled on the date of the initial closing of a Qualified Financing,
and the outstanding Principal Amount and all accrued but unpaid interest thereon shall be automatically converted, at the initial closing
and on the same terms and conditions of the Qualified Financing (including compliance with securities laws), into shares of Qualified
Securities (or Shadow Preferred, as applicable) (which, in each case, will be rounded down to the closest whole number), at a conversion
price per share equal to the lesser of (x) seventy-five percent (75%) of the price per share of Qualified Securities sold to the investors
in a Qualified Financing (other than the holders of Bridge Notes or Convertible Securities converting into Qualified Securities or Shadow
Preferred, as applicable), and (y) the quotient resulting from dividing (A) the Cap, by (B) the Company’s capitalization on a Fully
Diluted Basis, as of immediately prior to such conversion of this Note. Notwithstanding the foregoing or anything herein contained to
the contrary, in the event of a conversion of the Notes in connection with a Qualified Financing in accordance with the provisions of
this Section 5.1, the Company may, solely at its option, elect to convert the Notes into Shadow Preferred.

 

5.2              
Ancillary Documents. In connection with any conversion of this Note pursuant to a Qualified Financing, Holder agrees
to execute and deliver to the Company any documents reasonably requested by the Company to be executed by the investors purchasing Qualified
Securities (that are not otherwise the holders of Bridge Notes), including without limitation, a stock purchase agreement, an investors’
rights agreement, a right of first refusal and co-sale agreement and a voting agreement, thereby agreeing to be bound by all obligations
and receive all rights thereunder.

 

6.                  
Conversion Upon Change in Control. In the event of a Change in Control prior to the Maturity Date or prior
to the conversion of this Note pursuant to Section 5.1, at the election of the holders of a majority of the aggregate Principal Amount
of all of the then issued and outstanding Bridge Notes (the “Requisite Holders”), (i) the outstanding Principal Amount
and all accrued but unpaid interest thereon, as of the date of conversion pursuant to this Section 6, will be converted, immediately prior
to the consummation of the transaction constituting a Change in Control, into that number of shares of Preferred Conversion Stock (which
will be rounded down to the closest whole number) equal to the quotient obtained by dividing (x) the outstanding Principal Amount and
all accrued but unpaid interest thereon, immediately prior to such Conversion, by (y) the Preferred Conversion Price, or (ii) Holder shall
receive an amount equal to one and one half times (1.5X) the Principal Amount outstanding as of the date thereof concurrent with the consummation
of the transaction constituting a Change in Control (the “Cash Distribution”). Notwithstanding the foregoing or anything
herein contained to the contrary, to the extent that the consideration received as part of a Change in Control consists, in whole or in
part, of stock or other non-cash consideration (“Other Consideration”), and Holder elects to receive a Cash Distribution
as herein contemplated, the Company may, at its option, pay such Cash Distribution in cash or Other Consideration
in the same proportion as such Other Consideration is being paid to other holders of the Company’s securities. If any of the Company’s
securityholders are given a choice as to the form and amount of consideration to be received in a Change in Control, the Holder will be
given the same choice, provided that the Holder may not choose to receive a form of consideration that the Holder would be ineligible
to receive as a result of the Holder’s failure to satisfy any requirement or limitation generally applicable to the Company’s
securityholders, or under any applicable laws.

 

6.1              
Ancillary Agreements. In connection with a Conversion in connection with a Change in Control, other than in the case
of the Cash Distribution, Holder agrees to execute and deliver to the Company the Series Seed Transaction Documents and/or any documents
reasonably requested by the Company, including without limitation, a stock purchase agreement, an investors’ rights agreement, a
right of first refusal and co-sale agreement and a voting agreement, thereby agreeing to be bound by all obligations and receive all rights
thereunder.

 

    4

     

    

 

7.                  
Conversion at Maturity Date.

 

7.1              
Maturity Date Conversion. In the event that neither a Qualified Financing nor a Change in Control shall have occurred
on or before the Maturity Date then, notwithstanding anything herein contained to the contrary, the outstanding Principal Amount and all
accrued but unpaid interest thereon as of the Maturity Date shall be automatically converted into shares of Preferred Conversion Stock
as of the Maturity Date (the “Mandatory Conversion”). The number of shares (which will be rounded down to the closest
whole number) of Preferred Conversion Stock to be issued upon such conversion shall be equal to the quotient obtained by dividing (x)
the outstanding Principal Amount and all accrued but unpaid interest thereon immediately prior to the Maturity Date, by (y) the Preferred
Conversion Price.

 

7.2              
Ancillary Agreements. In connection with the Mandatory Conversion, Holder agrees to execute and deliver to the Company
the Series Seed Transaction Documents and/or any documents reasonably requested by the Company, including without limitation, a stock
purchase agreement, an investors’ rights agreement, a right of first refusal and co-sale agreement and a voting agreement, thereby
agreeing to be bound by all obligations and receive all rights thereunder.

 

8.                  
Conversion Mechanics.

 

8.1              
Issuance of Certificates. As soon as is reasonably practicable after a Conversion has been effected, the Company
shall deliver to Holder a certificate or certificates representing the number of shares of capital stock (excluding any fractional share)
issuable by reason of such conversion in such name or names and such denomination or denominations as Holder has specified. In furtherance
of, and not in limitation of any of the provisions of this Note, Holder acknowledges and agrees that, upon conversion of this Note as
herein contemplated, this Note shall be cancelled, and of no further force and effect, whether or not the Company received this Note or
instructions for the cancelation of this Note from Holder and neither the Company nor any successor in interest shall have any obligations
hereunder or in respect hereof.

 

8.2              
No Fractional Shares. If any fractional share of capital stock would, except for the provisions hereof, be deliverable
upon conversion of this Note, the Company, in lieu of delivering such fractional share, shall pay an amount equal to the value of such
fractional share, as determined by the per share conversion price used to effect such conversion.

 

8.3              
Compliance with Laws and Regulations. The Company shall take all such actions as may be necessary to assure that
all shares of capital stock issued upon conversion may be so issued without violation of any applicable law or governmental regulation
or any requirement of any domestic securities exchange upon which such shares of capital stock may be listed (except for official notice
of issuance which shall be immediately delivered by the Company upon such issuance).

 

    5

     

    

 

9.                  
Events of Default. The occurrence of any of the following shall constitute
an “Event of Default” under this Note and the other Transaction Documents:

 

9.1              
Failure to Pay. The Company shall fail to pay (i) when due any principal payment
on the due date hereunder or (ii) any interest payment or other payment required under the terms of this Note or any other Transaction
Document on the date due and such payment shall not have been made within five (5) Business Days of the Company’s receipt of written
notice to the Company of such failure to pay.

 

9.2              
Voluntary Bankruptcy or Insolvency Proceedings. The Company shall (i) apply
for or consent to the appointment of a receiver, trustee, liquidator or custodian of itself or of all or a substantial part of its property,
(ii) make a general assignment for the benefit of its or any of its creditors, (iii) be dissolved or liquidated, (iv) commence
a voluntary case or other proceeding seeking liquidation, reorganization or other relief with respect to itself or its debts under any
bankruptcy, insolvency or other similar law now or hereafter in effect or consent to any such relief or to the appointment of or taking
possession of its property by any official in an involuntary case or other proceeding commenced against it, or (v) take any action
for the purpose of effecting any of the foregoing.

 

9.3              
Involuntary Bankruptcy or Insolvency Proceedings. Proceedings for the appointment
of a receiver, trustee, liquidator or custodian of the Company, or of all or a substantial part of the property thereof, or an involuntary
case or other proceedings seeking liquidation, reorganization or other relief with respect to the Company or the debts thereof under any
bankruptcy, insolvency or other similar law now or hereafter in effect shall be commenced and an order for relief entered or such proceeding
shall not be dismissed or discharged within 45 days of commencement; or

 

9.4              
Judgments. A final judgment or order for the payment of money in excess of $500,000
(exclusive of amounts covered by insurance) shall be rendered against the Company and the same shall remain undischarged for a period
of 30 days during which execution shall not be effectively stayed, or any judgment, writ, assessment, warrant of attachment, or execution
or similar process shall be issued or levied against a substantial part of the property of the Company and such judgment, writ, or similar
process shall not be released, stayed, vacated or otherwise dismissed within 30 days after issue or levy.

 

10.              
Rights of Holder upon Default. Upon the occurrence of any Event of Default (other than an Event of Default
described in Section 9.2 or Section 9.3) and at any time thereafter during the continuance of such Event of Default, Holder may, with
the written consent of the Requisite Holders, by written notice to the Company, declare all outstanding obligations payable by the Company
hereunder to be immediately due and payable without presentment, demand, protest or any other notice of any kind, all of which are hereby
expressly waived, anything contained herein or in the other Transaction Documents to the contrary notwithstanding. Upon the occurrence
of any Event of Default described in Section 9.2 and Section 9.3, immediately and without notice, all outstanding obligations payable
by the Company hereunder shall automatically become immediately due and payable, without presentment, demand, protest or any other notice
of any kind, all of which are hereby expressly waived, anything contained herein or in the other Transaction Documents to the contrary
notwithstanding. In addition to the foregoing remedies, upon the occurrence and during the continuance of any Event of Default, Holder
may, with the written consent of the Requisite Holders, exercise any other right power or remedy granted to it by the Transaction Documents
or otherwise permitted to it by law, either by suit in equity or by action at law, or both.

 

    6

     

    

 

11.              
Lost, Stolen, Destroyed or Mutilated Notes. Upon receipt of evidence reasonably satisfactory to the Company
of the loss, theft, destruction, or mutilation of this Note and, in the case of any such loss, theft or destruction, upon receipt of an
indemnity reasonably satisfactory to the Company, or in the case of any such mutilation, upon surrender and cancellation of such Note,
the Company, at its expense, will make and deliver a new Note, of like tenor, in lieu of the lost, stolen, destroyed or mutilated Note.

 

12.              
Governing Law; Jurisdiction; Venue. This Note and all acts and transactions pursuant hereto and the rights
and obligations of the parties hereto shall be governed, construed and interpreted in accordance with the laws of the State of California,
without giving effect to principles of conflicts of law. In addition, each of the parties hereto irrevocably and unconditionally (a) consents
to submit itself to the exclusive personal jurisdiction of the state and Federal courts located in Santa Clara County, California, in
the event any dispute arises out of this Note or any of the transactions contemplated by this Note, (b) agrees that it will not attempt
to deny or defeat such personal jurisdiction by motion or other request for leave from such court or assert that such court is an inconvenient
forum, (c) agrees that it will not bring any action relating to this Note or any of the acts and transactions contemplated by this Note
in any forum other than the state and Federal courts located in Santa Clara County, California, and (d) to the fullest extent permitted
by law, consents to service being made through the notice procedures contemplated pursuant to Section 6.4 of the Note Purchase Agreement.
Each party hereto hereby agrees that, to the fullest extent permitted by law, service of any process, summons, notice or document by U.S.
registered mail to the respective addresses contemplated pursuant to Section 6.4 of the Note Purchase Agreement shall be effective service
of process for any suit or proceeding in connection with this Note or the transactions contemplated hereby.

 

13.              
Amendment and Waiver. Any provision of this Note may be amended, waived or modified (either generally or in
a particular instance and either retroactively or prospectively) only upon the written consent of, or a written instrument signed by,
the Company and Holder; provided, however, that this Note may be amended, together with all other Bridge Notes, by agreement of the Company,
and the Requisite Holders, so long as such amendment and/or waivers (i) are applicable to all Bridge Notes; (ii) do not modify this Section
13; or (iii) do not reduce the Principal Amount of this Note or the rate of interest thereon.

 

14.              
Unsecured, Subordination. Holder acknowledges and agrees that this Note (i) is not secured by any of the assets
of the Company, and (ii) will be subordinate in right of payment to all current and future indebtedness, including bank (and other financial
institutions of a similar nature) indebtedness, of the Company, but excluding any indebtedness convertible into equity securities of the
Company.

 

15.              
Notices. Except as may be otherwise provided herein, all notices, requests, waivers and other communications
made pursuant to this Note shall be made in accordance with Section 6.4 of the Note Purchase Agreement.

 

16.              
Severability. In case any one or more of the provisions contained in this Note shall, for any reason, be held
to be invalid, illegal or unenforceable in any respect, (i) the remaining terms and provisions hereof shall be unimpaired and shall remain
in full force and effect, and (ii) the invalid or unenforceable provision or term shall be replaced by a term or provision that is valid
and enforceable and that comes closest to expressing the intention of such invalid or unenforceable term or provision, and, if the foregoing
provision of this clause (ii) is not permitted pursuant to applicable law, then (iii) this Note shall be construed as if such invalid,
illegal or unenforceable provision had never been contained herein.

 

17.              
Remedies Cumulative; Failure or Indulgence Not a Waiver. The remedies provided in this Note shall be cumulative
and in addition to all other remedies available under this Note and any of the other Transaction Documents. No failure or delay on the
part of Holder in the exercise of any power, right or privilege hereunder shall operate as a waiver thereof, nor shall any single or partial
exercise of any such power, right or privilege preclude other or further exercise thereof or of any other right, power or privilege.

 

    7

     

    

 

18.              
Entire Agreement. This Note and the Note Purchase Agreement represents the entire agreement between the parties
hereto with respect to this Note and its terms and conditions.

 

19.              
Headings; References. All headings used herein are used for convenience only and shall not be used to construe
or interpret this Note. Except where otherwise indicated, all references herein to Sections refer to Sections hereof.

 

20.              
Restrictions on Transfer; Assignment. Except as otherwise set forth in the Note Purchase Agreement, Holder
may not transfer or assign all or any part of this Note without the approval of the Company. This Note may only be transferred in compliance
with applicable state and federal laws. Holder shall notify the Company in writing in advance of any proposed transfer. All rights and
obligations of the Company and Holder shall be binding upon and benefit the successors, assigns, heirs, and administrators of the parties.
Neither this Note nor any of the rights, interests or obligations hereunder may be assigned, by operation of law or otherwise, in whole
or in part, by the Company without the prior written consent of the Requisite Holders.

 

21.              
Excessive Interest. Notwithstanding any other provision herein to the contrary, this Note is hereby expressly
limited so that the interest rate charged hereunder shall at no time exceed the maximum rate permitted by applicable law. If, for any
circumstance whatsoever, the interest rate charged exceeds the maximum rate permitted by applicable law, the interest rate shall be reduced
to the maximum rate permitted, and if Holder shall have received an amount that would cause the interest rate charged to be in excess
of the maximum rate permitted, such amount that would be excessive interest shall be applied to the reduction of the Principal Amount
owing hereunder and not to the payment of interest, or if such excessive interest exceeds the unpaid balance of principal, such excess
shall be refunded to the Company.

 

22.              
Pari Passu Notes. The Holder acknowledges and agrees that the payment of all
or any portion of the outstanding Principal Amount of this Note and all interest hereon shall be pari passu in right of payment
and in all other respects to the other Bridge Notes. In the event the Holder receives payments in excess of the Holder’s pro
rata share of the Company’s payments to the holders of all of the Bridge Notes, then the Holder shall hold in trust all such
excess payments for the benefit of the holders of the other Bridge Notes and shall pay such amounts held in trust to such other holders
upon demand by such holders.

 

23.              
Waiver of Notice. To the extent permitted by law, the Company hereby waives demand, notice, protest and all
other demands and notices in connection with the delivery, acceptance, performance, default or enforcement of this Note and the other
Transaction Documents.

 

24.              
Fees and Expenses. All expenses incurred in connection with this Note, including attorneys’ fees, shall
be paid by the parties incurring such expenses.

 

[Remainder of Page Intentionally
Left Blank]

 

    8

     

    

 

IN WITNESS WHEREOF, the Company
has caused this Unsecured Convertible Promissory Note to be issued as of the date first set forth above.

 

 

	COMPANY:	 Tivic Health Systems Inc.,
	 	a California corporation
	 	 
	 	By:	 
	 	 	Jennifer Ernst
	 	 	Chief Executive Officer

 

AGREED AND ACCEPTED
BY HOLDER:

 

	If Holder is an Individual 	 	If Holder is a Corporation, Partnership or Other Entity:
	 	 	 
	 	 	 
	 	 	Name of Entity
	 	 	 
	 	 	 
	Signature	 	Signature of Authorized Person
	 	 	 
	 	 	 
	Print Name	 	Print Name of Authorized Person
	 	 	 
	 	 	 

	Telephone ( Day ): 	 	 	Title

 

	 	 	 
	Email Address: 	 	 	Telephone ( Day ):	 
	 	 	 
	Address:	 	 	Email Address:	 
	 	 	Address:	 
	 	 	 
	 	 	 
	 	 	 
	 	 	 
	 	 	 

 

    9Exhibit 10.9

 

AMENDMENT
Agreement

 

This Amendment Agreement (this
“Amendment”) is made and entered into with intended effectiveness as of October 14, 2020, by and among Tivic
Health Systems Inc., a California corporation (the “Company”), and the parties who are signatories hereto (the
“Investors”).

 

Recitals

 

	A.	The Company and certain investors (including the Investors) have entered into a Note Purchase Agreement
dated as of June 17, 2020 (the “Purchase Agreement”), pursuant to which the Company issued Notes (as such term
is defined in the Purchase Agreement) to certain investors.

 

	B.	Section 6.5 of the Purchase Agreement provides that the Purchase Agreement may be amended with the written
consent of the Company and holders of Notes representing more than 50% of the aggregate principal amount of all Notes (the “Requisite
Holders”). The undersigned Investors constitute the Requisite Holders.

 

	C.	The Company and the undersigned Investors desire to amend the Purchase Agreement so as to, among other
things, increase the aggregate principal amount of Notes that can be issued under the Purchase Agreement.

 

Agreement

 

NOW, THEREFORE, in consideration
of the foregoing premises and the mutual covenants and conditions set forth below, and for other good and valuable consideration, the
receipt and sufficiency of which is hereby acknowledged, the parties to this Amendment hereby agree as follows:

 

1.                 
Amendment of Aggregate Note Amount.

 

(a)              
Section 1.1 of the Purchase Agreement is hereby amended and restated in its entirety and shall
read as follows:

 

“1.1               Issuance of Notes. Subject to the terms and conditions of this Agreement, at each Closing (as defined below), the Company shall
issue and sell to each Investor participating in such Closing, an unsecured convertible promissory note (each such note, a “Note”
and collectively, the “Notes”) in the principal amount set forth opposite each such Investor’s name on Exhibit
A attached hereto (the “Principal Amount”), against payment by such Investor to the Company of the Principal Amount.
The Company may issue and sell Notes with an aggregate Principal Amount of up to $2,000,000 under this Agreement. The Notes shall each
be in substantially the form of Exhibit B attached hereto, except as may otherwise be agreed upon by the Company and an Investor.”

 

(b)             
Section 2.2 of the Purchase Agreement is hereby amended and restated in its entirety and shall
read as follows:

 

“2.2
               Subsequent Closings. Subsequent to the Initial Closing, until such time as the aggregate Principal Amount evidenced by all
of the Notes equals a total of $2,000,000, the Company may sell additional Notes to such persons or entities as determined by the Company
(each such closing, a “Subsequent Closing” and, together with the Initial Closing, each a “Closing”).
For purposes of this Agreement, and all other agreements contemplated hereby, any additional purchaser so acquiring Notes shall be deemed
to be an “Investor” for purposes of this Agreement, and any Notes so acquired by such additional purchaser shall be deemed
to be “Notes” for all purposes hereunder. Exhibit A shall be revised by the Company, without the consent of any other
person or entity, to reflect the sale of Notes at all Subsequent Closings. The closing of the purchase and sale of such additional Notes
hereunder shall take place on such date as is mutually agreeable to the Company and Investors that are identified on Exhibit A
as purchasing Notes representing a majority of the aggregate Principal Amounts of all Notes to be issued at such Subsequent Closing (or
at such other time and place as is mutually agreed upon by the Company and such parties)).”

 

     

     

    

 

2.                 
Miscellaneous.

 

(a)              
The parties hereto agree that this Amendment will be governed by and construed under the internal
laws of the State of California, as applicable to agreements made and to be performed in such state, without regard to principles of conflicts
of law. The parties hereto agree that any dispute arising in connection with the interpretation or validity of, or otherwise arising out
of, this Amendment, will be subject to the exclusive jurisdiction of the California State and Federal Courts in and for Santa Clara County,
California. The parties hereto hereby agree to submit to the personal and exclusive jurisdiction and venue of such courts and agree that
process may be served in the manner provided herein for the giving of notices or otherwise as allowed by applicable law. Each party hereto
waives any defense of inconvenient forum to the maintenance of any action so brought and waives any bond, surety, or other security that
might be required of any other party hereto with respect thereto. In the event that any action, suit or other proceeding is instituted
concerning or arising out of this Amendment or any transaction contemplated hereunder, the prevailing party shall recover all of such
party’s costs and attorneys’ fees incurred in each such action, suit or other proceeding, including any and all appeals or
petitions therefrom.

 

(b)             
Except as specifically amended by this Amendment, the terms and conditions of the Purchase Agreement
shall remain in full force and effect.

 

(c)              
From and after the date hereof, all references in the Notes or the Purchase Agreement to the
Purchase Agreement shall mean, and be a reference to, the Purchase Agreement, as amended by this Amendment, and as may be further amended
from time to time in accordance with the provisions thereof.

 

(d)             
Each party hereto agrees to execute and deliver, or cause to be executed and delivered, such
further instruments or documents or take such other actions as may be reasonably necessary to consummate the transactions contemplated
by this Amendment.

 

(e)              
This Amendment may be executed in two (2) or more counterparts, each of which shall be deemed
an original, but all of which together shall constitute one and the same instrument. Counterparts may be delivered via facsimile, electronic
mail (including pdf or any electronic signature complying with the U.S. federal ESIGN Act of 2000, e.g., www.docusign.com) or other transmission
method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.

 

[Remainder of Page Left Blank
Intentionally]

 

    2

     

    

 

In Witness Whereof, the parties
hereto have executed this Amendment Agreement with intended effectiveness as of the date set forth in the first paragraph hereof.

 

	Company:	TIVIC HEALTH SYSTEMS, INC.,
	 	a California corporation
	 	 
	 	By:	         
	 	Name: Jennifer Ernst
	 	Title: Chief Executive Officer

 

INVESTORS:

 

	
    If Investor is a Corporation,
    Partnership or Other Entity:

     
	 	IF INVESTOR IS AN INDIVIDUAL:
	
    Name of Entity

     
	 	Print Name of Individual
	
    Signature of Authorized Person

     
	 	Signature of Individual
	
    Print Name of Authorized Person

     
	 	Print Name of Individual (If more than one signatory)
	
    Title

    
	 	Signature of Individual (If more than one signatory)

 

[SIGNATURE
PAGE TO AMENDMENT AGREEMENT]

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