Sec Form 4 Filing - Shoemaker Shannon @ PSYCHEMEDICS CORP - 2023-09-21

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 Shoemaker Shannon 2. Issuer Name and Ticker or Trading Symbol PSYCHEMEDICS CORP [ PMD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Revenue Officer (Last) (First) (Middle) C/O PSYCHEMEDICS CORPORATION, 289 GREAT ROAD, SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 09/21/2023 (Street) ACTON, MA01720 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

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) $ 3.66 09/21/2023 A 40,000 ( 1 ) 09/21/2033 Common Stock, $.005 Par Value 40,000 $ 0 40,000 D Stock Option (Right to Buy) $ 3.66 09/21/2023 A 80,000 ( 2 ) 09/21/2033 Common Stock, $.005 Par Value 80,000 $ 0 80,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Shoemaker Shannon C/O PSYCHEMEDICS CORPORATION 289 GREAT ROAD, SUITE 200 ACTON, MA01720 Chief Revenue Officer Signatures Patrick J. Kinney, Jr. as attorney-in-fact for Shannon Shoemaker 09/25/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The option becomes exercisable with respect to 50% of the shares on September 18, 2024 and with respect to the remaining 50% on September 18, 2025. ( 2 )The option becomes exercisable, if at all, in two 40,000 share increments. The first increment of 40,000 shares becomes exercisable at the time the weighted average daily price of Psychemedics common stock on the Nasdaq Stock Market during any consecutive 60 calendar day period ending on or before September 21, 2026 shall have exceeded $5.50. The second increment of 40,000 shares becomes exercisable at the time the weighted average daily price of Psychemedics common stock on the Nasdaq Stock Market during any consecutive 60 calendar day period ending on or before September 21, 2027 shall have exceeded $6.50.

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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