Merck & Co. 8-K

PositiveEarningsGuidance raisedImpairment / charge

Cidara acquisition charge drove quarterly losses; KEYTRUDA and WINREVAIR fueled sales growth.

Filed 2026-04-30 06:53 ET

Summary

Q1 2026 results with a raised and narrowed FY2026 outlook. Worldwide sales grew 5% (3% excluding foreign exchange), led by oncology, Animal Health and newer launches; reported losses reflected a $9.0B Cidara acquisition charge. Merck also agreed to acquire Terns Pharmaceuticals, adding the Phase 1/2 chronic myeloid leukemia candidate TERN-701, and reported FDA approval of IDVYNSO and positive Phase 3 data for KEYTRUDA plus Padcev in bladder cancer.

Key Figures

Metric Q1 2026 Q1 2025 Y/Y
Sales $16.3B $15.5B 5%
Net loss attributable to Merck & Co., Inc. $(4.24)B $5.08B n/m
Non-GAAP net loss attributable to Merck & Co., Inc. $(3.16)B $5.61B n/m
Diluted EPS $(1.72) $2.01 n/m
Non-GAAP diluted EPS $(1.28) $2.22 n/m
  • Sales growth was driven by KEYTRUDA/KEYTRUDA QLEX ($8.03B, +12%), WINREVAIR ($525M, +88%) and Animal Health ($1.79B, +13%). Gardasil/Gardasil 9 sales fell 19%, primarily on lower demand in China and Japan.
  • The Cidara acquisition charge was $9.0B in research and development expense and $3.62 per share; it drove the quarterly GAAP and non-GAAP losses.
  • The proposed Terns acquisition is expected to close in May and result in a one-time charge of ≈$5.8B (≈$2.35 per share). Merck also expects an ≈$0.12 EPS impact over the remainder of 2026 after closing, including operational investment and financing costs.

Guidance

Metric Period Guidance Prior Direction
Sales FY2026 $65.8B-$67.0B; ≈1% positive foreign-exchange impact $65.5B-$67.0B Raised; narrowed
Non-GAAP gross margin FY2026 ≈82% ≈82% Reaffirmed
Non-GAAP operating expenses FY2026 $36.0B-$36.8B $35.9B-$36.9B Narrowed
Non-GAAP other (income) expense, net FY2026 ≈$1.3B expense ≈$1.3B expense Reaffirmed
Non-GAAP effective income tax rate FY2026 23.5%-24.5% 23.5%-24.5% Reaffirmed
Non-GAAP EPS FY2026 $5.04-$5.16; includes ≈$0.10/share positive foreign-exchange impact $5.00-$5.15 Raised; narrowed
Diluted share count FY2026 ≈2.48B ≈2.48B Reaffirmed

Investor Takeaways

  • The Terns transaction is expected to close in May; its completion and resulting costs are not reflected in the FY2026 outlook.
  • Upcoming FDA decisions include WELIREG combinations (6/19/2026 and 10/04/2026), KEYTRUDA/Padcev (8/17/2026), and I-DXd (10/10/2026).

The summary is written by an AI model reading the filing.

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