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Tarsus CMO sells 13,953 shares at $85–$90

Tarsus Pharmaceuticals’ chief medical officer reported pre-planned open-market sales totaling 13,953 shares of TARS common stock.

(Very High)
(Negative)
Form Type
4

Rhea-AI Filing Summary

Tarsus Pharmaceuticals, Inc. (TARS) reported that Chief Medical Officer Elizabeth Yeu Lin sold an aggregate of 13,953 shares of common stock on September 4, 2026. The sales included both directly held shares and shares held through a spouse’s Roth IRA, and were executed in the open market under pre-arranged Rule 10b5-1 trading plans adopted on May 29, 2026 and June 1, 2026. Following these transactions, an additional 12,040 shares of common stock are reported as indirectly held through a 401(k) plan.

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Insights

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Insider Lin Elizabeth Yeu
Role Chief Medical Officer
Sold 13,953 shs ($1.22M)
Type Security Shares Price Value
Sale Common Stock F1 5,387 $85.00 $458K
Sale Common Stock F1 5,386 $90.00 $485K
Sale Common Stock F2 1,590 $85.00 $135K
Sale Common Stock F2 1,590 $90.00 $143K
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 2,547 shares (Direct); Common Stock — 1,590 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 13,953 shares Aggregate common stock sales reported for September 4, 2026
Direct sales at $85 5,387 shares Directly held Tarsus Pharmaceuticals common stock sold at $85.00 per share
Direct sales at $90 5,386 shares Directly held Tarsus Pharmaceuticals common stock sold at $90.00 per share
Spouse Roth IRA sales at $85 1,590 shares Common stock sold from shares held through a spouse’s Roth IRA at $85.00 per share
Spouse Roth IRA sales at $90 1,590 shares Common stock sold from shares held through a spouse’s Roth IRA at $90.00 per share
Indirect 401(k) holdings 12,040 shares Common stock reported as indirectly held through a 401(k) plan after the transactions
Rule 10b5-1 plan adoption date May 29, 2026 Adoption date for one of the trading plans covering the reported sales
Second Rule 10b5-1 plan adoption date June 1, 2026 Adoption date for another trading plan covering the reported 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 adopted by the Reporting Person on May 29, 2026."
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
"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
"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.

FAQ

What insider transaction did TARS report for Chief Medical Officer Elizabeth Yeu Lin?

Tarsus Pharmaceuticals reported that Chief Medical Officer Elizabeth Yeu Lin sold 13,953 shares of common stock on September 4, 2026, through open-market transactions involving both directly held shares and shares held through a spouse’s Roth IRA.

At what prices were the TARS shares sold in this Form 4 filing?

The reported sales of Tarsus Pharmaceuticals common stock were executed at per-share prices of $85.00 and $90.00, with separate sale lots at each price for both directly held shares and shares held through a spouse’s Roth IRA.

How many TARS shares did the Tarsus CMO sell from direct holdings?

From directly held Tarsus Pharmaceuticals common stock, Elizabeth Yeu Lin reported sales of 5,387 shares at $85.00 per share and 5,386 shares at $90.00 per share on September 4, 2026.

How many TARS shares were sold from the spouse’s Roth IRA in this filing?

The Form 4 reports that 1,590 shares of Tarsus Pharmaceuticals common stock were sold at $85.00 per share and another 1,590 shares at $90.00 per share from shares held through a spouse’s Roth IRA.

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

Yes. The footnotes state that the reported sales of Tarsus Pharmaceuticals common stock were effected under automatic sales pursuant to Rule 10b5-1 trading plans adopted by Elizabeth Yeu Lin on May 29, 2026 and June 1, 2026.

What TARS holdings are reported after the transactions in this Form 4?

After the reported sales, the Form 4 shows 12,040 shares of Tarsus Pharmaceuticals common stock held indirectly through a 401(k) plan. The filing does not state total remaining direct holdings for the reporting person.

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)
09/04/2026
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 Stock09/04/2026S(1)5,387D$857,933D
Common Stock09/04/2026S(1)5,386D$902,547D
Common Stock09/04/2026S(2)1,590D$853,180IBy Spouse's Roth IRA
Common Stock09/04/2026S(2)1,590D$901,590IBy 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-Fact09/09/2026
** 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)

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