Tarsus Pharmaceuticals sees decline amid market movements
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jan 16 2025
0mins
Tarsus Pharmaceuticals Inc. experienced a significant decline of 6.94% as it hit a 5-day low.
The stock's drop occurred amid a broader market context where the Nasdaq-100 (QQQ) fell by 1.10%, indicating sector rotation as investors shifted focus. Despite the S&P 500 (SPY) showing a slight increase of 0.16%, Tarsus faced downward pressure likely due to market sentiment surrounding biotech stocks.
This decline may raise concerns among investors about the company's short-term performance, especially as it navigates a challenging market environment.
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Analyst Views on TARS
Wall Street analysts forecast TARS stock price to rise
3 Analyst Rating
2 Buy
1 Hold
0 Sell
Moderate Buy
Current: 67.050
Low
68.00
Averages
89.33
High
100.00
Current: 67.050
Low
68.00
Averages
89.33
High
100.00
About TARS
Tarsus Pharmaceuticals, Inc. is a commercial-stage biopharmaceutical company. The Company is focused on the development and commercialization of therapeutics, starting with eye care. The Company’s lead product candidate, XDEMVY, is a lotilaner ophthalmic solution that targets and eradicates the root cause of Demodex blepharitis, Demodex mite infestation. The active pharmaceutical ingredient (API) of XDEMVY, lotilaner, paralyzes and eradicates mites and other parasites through the inhibition of parasite-specific gamma-aminobutyric acid-gated chloride channels. The Company is investigating the development of its product candidates to address targeted diseases with high unmet medical needs, which include TP-04, a novel ophthalmic gel formulation of lotilaner for the potential treatment of Ocular Rosacea, and TP-05, a novel investigational oral formulation of lotilaner, for potential Lyme disease prophylaxis and community malaria reduction.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- Strong Product Sales: Xdemvy (lotilaner ophthalmic solution) achieved net sales of $145.4 million in Q1 2026, reflecting over 85% year-over-year growth, driven by broader screening and prescribing by eye care professionals across a wider patient base.
- Global Expansion Plans: Tarsus received regulatory approval for Xdemvy in China, triggering a $15 million milestone payment, while ongoing regulatory progress in Europe and Japan supports the product's long-term commercial opportunities, highlighting its potential for global market expansion.
- Pipeline Development: The company is evaluating TP-04 and TP-05 in mid-stage studies for treating ocular rosacea and Lyme disease, with topline data expected in the first half of 2027, further enhancing investor confidence in its future growth trajectory.
See More
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- Short Seller Allegations: Culper Research has accused Tarsus Pharmaceuticals of using questionable practices to boost sales of its sole product, XDEMVY, resulting in a 5% drop in stock price on Wednesday, potentially marking its worst day since April.
- Medicare Copay Scheme: Culper claims Tarsus has funded copay assistance for Medicare patients through the HealthWell Foundation, with donations of $5.7 million in 2023 and an expected $31.2 million in 2024, arguing this violates the Anti-Kickback Statute and poses legal risks.
- Inflated Market Size: Tarsus has touted a 25 million patient opportunity for Demodex blepharitis, but a survey indicates only 18% of patients are diagnosed, leading Culper to estimate a true market size closer to 5 million, with peak annual revenues for XDEMVY projected below $800 million.
- Financial Guidance Downgrade: Culper asserts that Tarsus is likely to miss its 2026 guidance, as analysts have underestimated rising patient assistance and other SG&A costs, which could lead to further declines in stock price in the future.
See More
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- Short Interest: Culper Research disclosed its short position in Tarsus, with a current short interest of 11.6%, reflecting negative market sentiment towards the stock and potentially leading to further price volatility.
- Market Reaction: Tarsus did not promptly respond to Seeking Alpha's request for comment, and this lack of transparency may exacerbate investor anxiety, affecting its reputation and market position in the healthcare sector.
- Sales Guidance: Despite facing short-term pressures, Tarsus reiterated its 2026 net product sales guidance of $670 million to $700 million, indicating the company's confidence in future performance, which may provide some support for investors.
See More
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- Clinical Data Support: Waldman emphasized the encouraging results of Cytisinicline in clinical trials, particularly for e-cigarette cessation, indicating that the drug could become a new tool for nicotine dependence treatment, addressing the urgent needs of young patients and driving innovation in the biopharmaceutical field.
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