STOCK TITAN

Tarsus CMO sells 11,578 shares in plan trades

Tarsus Pharmaceuticals’ chief medical officer disclosed pre-planned open-market stock sales totaling 11,578 shares over two days in early September 2026.

(Moderate)
(Negative)
Form Type
4

Rhea-AI Filing Summary

Tarsus Pharmaceuticals, Inc. (TARS) reported that Chief Medical Officer Elizabeth Yeu Lin sold a total of 11,578 shares of common stock on September 1–2, 2026, at prices between $73.86 and $80.00 per share, including indirect sales through a spouse’s Roth IRA, under Rule 10b5-1 trading plans.

Positive

  • None.

Negative

  • None.
Insider Lin Elizabeth Yeu
Role Chief Medical Officer
Sold 11,578 shs ($898K)
Type Security Shares Price Value
Sale Common Stock F1 5,387 $80.00 $431K
Sale Common Stock F2 1,590 $80.00 $127K
Sale Common Stock F1 4,601 $73.86 $340K
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 13,320 shares (Direct); Common Stock — 4,770 shares (Indirect, By Spouse's Roth IRA); Common Stock — 12,040 shares (Indirect, By 401(k) Plan)
Footnotes (2)
  1. F1. The sales reported in this Form 4 were effected by an automatic sale pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026.
  2. F2. The sales reported in this Form 4 were effected by an automatic sale pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 1, 2026.
Total shares sold 11,578 shares Net shares sold by Chief Medical Officer over September 1–2, 2026
Sale on September 1, 2026 4,601 shares at $73.86 per share Direct sale of common stock
Direct sale on September 2, 2026 5,387 shares at $80.00 per share Directly held common stock sold in open-market or private transaction
Indirect sale on September 2, 2026 1,590 shares at $80.00 per share Common stock held by spouse's Roth IRA sold
Post-transaction Roth IRA holdings 4,770 shares Indirect ownership by spouse's Roth IRA after September 2, 2026 sale
401(k) Plan holdings 12,040 shares Indirect ownership by 401(k) Plan as of September 1, 2026
Rule 10b5-1 plan adoption dates May 29, 2026 and June 1, 2026 Dates the reporting person adopted trading plans governing the sales
Rule 10b5-1 trading plan regulatory
"The sales reported in this Form 4 were effected by an automatic sale pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Roth IRA financial
"Common Stock held indirectly with nature of ownership "By Spouse's Roth IRA""
A Roth IRA is a retirement savings account you fund with money that’s already been taxed, and withdrawals taken in retirement under the account rules are tax-free. It matters to investors because it shifts the tax bill to today instead of retirement, potentially increasing after-tax income later—think of it like paying for a lifetime subscription now so you can use it without extra charges in the future—helpful for long-term tax planning and flexibility.
401(k) Plan financial
"Common Stock reported as indirectly owned with nature of ownership "By 401(k) Plan""
A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.
indirect ownership financial
"Indirect ownership indicated where shares are held by spouse's Roth IRA or 401(k) Plan"

FAQ

What insider activity did TARS disclose for Chief Medical Officer Elizabeth Yeu Lin?

Tarsus Pharmaceuticals disclosed that Chief Medical Officer Elizabeth Yeu Lin reported sales of 11,578 shares of common stock on September 1–2, 2026, consisting of both direct holdings and shares held indirectly through a spouse’s Roth IRA.

How many TARS shares did the insider sell on September 1, 2026?

On September 1, 2026, Elizabeth Yeu Lin sold 4,601 shares of Tarsus Pharmaceuticals common stock at a price of $73.86 per share, from her directly held shares, in an open-market or private transaction.

What TARS share sales occurred on September 2, 2026?

On September 2, 2026, Elizabeth Yeu Lin reported selling 5,387 shares of Tarsus common stock held directly and 1,590 shares held indirectly through a spouse’s Roth IRA, each at $80.00 per share, in open-market or private transactions.

Were the September 2026 TARS insider sales made under a Rule 10b5-1 plan?

Yes. The filing states the sales were effected by automatic sales pursuant to Rule 10b5-1 trading plans, adopted by the reporting person on May 29, 2026 and June 1, 2026, which pre-arranged the sale instructions.

What indirect TARS holdings does the Form 4 show after the transactions?

After the reported sales, the Form 4 shows 4,770 shares of Tarsus common stock held indirectly through a spouse’s Roth IRA and a separate indirect position of 12,040 shares held through a 401(k) Plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Lin Elizabeth Yeu

(Last)(First)(Middle)
C/O TARSUS PHARMACEUTICALS, INC.
17700 LAGUNA CANYON ROAD, FLOOR 4

(Street)
IRVINE CALIFORNIA 92618

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Tarsus Pharmaceuticals, Inc. [ TARS ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Medical Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)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)
CodeVAmount(A) or (D)Price
Common Stock09/01/2026S(1)4,601D$73.8618,707D
Common Stock09/02/2026S(1)5,387D$8013,320D
Common Stock09/02/2026S(2)1,590D$804,770IBy Spouse's Roth IRA
Common Stock12,040IBy 401(k) Plan
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 (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)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 (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The sales reported in this Form 4 were effected by an automatic sale pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026.
2. The sales reported in this Form 4 were effected by an automatic sale pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 1, 2026.
Remarks:
/s/ Jeffrey Farrow, Attorney-in-Fact09/03/2026
** Signature of Reporting PersonDate
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)