QuidelOrtho Corp 10-K

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities Our common stock is traded on the Nasdaq Global Select Market under the symbol “QDEL.” As of February 11, 2026, we had approximately 85 common stockholders of record and we do not anticipate paying any cash dividends in the foreseeable future. Issuer Purchases of Equity Securities None. 53 STOCKHOLDER RETURN PERFORMANCE GRAPH Set forth below is a line graph comparing the yearly percentage change in the cumulative total stockholder return on our common stock with the cumulative total returns of the Nasdaq Composite Index and Nasdaq Health Care Composite Index for the five years ended December 28, 2025. The graph assumes (i) an initial investment of $100 as of the market close on December 31, 2020 in our common stock, the Nasdaq Composite Index and the Nasdaq Health Care Composite Index and (ii) reinvestment of dividends. The graph represents stock price performance of Quidel, from fiscal year ended 2021 through May 27, 2022, and QuidelOrtho following the closing date of the Combinations. The stock price performance of our common stock depicted in the graph represents past performance only and is not necessarily indicative of future performance. COMPARISON OF 5 YEAR TOTAL CUMULATIVE RETURN Among QuidelOrtho Corporation, the Nasdaq Composite and the Nasdaq Health Care Composite Indices Base Period Company/Index 12/31/2020 12/31/2021 12/31/2022 12/31/2023 12/31/2024 12/31/2025 QuidelOrtho Corporation $ 100.00 $ 75.14 $ 47.69 $ 41.02 $ 24.80 $ 15.90 Nasdaq Composite Index $ 100.00 $ 122.18 $ 82.43 $ 119.22 $ 154.48 $ 187.14 Nasdaq Health Care Composite Index $ 100.00 $ 96.45 $ 76.75 $ 81.77 $ 81.07 $ 99.39 Item 6. [Reserved]