Sec Form 4 Filing - Tucker John H @ scPharmaceuticals Inc. - 2023-01-19

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Tucker John H 2. Issuer Name and Ticker or Trading Symbol scPharmaceuticals Inc. [ SCPH] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) C/O SCPHARMACEUTICALS INC., 2400 DISTRICT AVENUE, SUITE 310 3. Date of Earliest Transaction (MM/DD/YY) 01/19/2023 (Street) BURLINGTON, MA01803 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 01/19/2023 A 66,665( 1 ) A $ 6.14 145,589 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option (right to buy) $ 6.14 01/19/2023 A 100,000 ( 2 ) 01/19/2033 Common Stock 100,000 $ 0 100,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Tucker John H C/O SCPHARMACEUTICALS INC. 2400 DISTRICT AVENUE, SUITE 310 BURLINGTON, MA01803 X President and CEO Signatures /s/ John H. Tucker 01/23/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Consists of a restricted stock unit ("RSU") award made pursuant to the ScPharmaceuticals Inc. 2017 Stock Option and Incentive Plan. The RSUs vest as to 25% of the shares underlying the RSUs on each of the first four anniversaries of January 1, 2023, such that the RSUs will be fully vested on January 1, 2027. ( 2 )The option shares vest over a four-year period, at a rate of 25% on January 1, 2024, with the remaining option shares vesting in 36 equal monthly installments thereafter, such that the option shares will be fully vested on January 1, 2027.

Remarks: Exhibit 24 - Power of Attorney.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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