Company: STAA
Filing Date: 2025-09-26
Form Type: DEFA14A
Source: 0001193125-25-219844
Chunk: 1

Company: STAAR SURGICAL CO
Filing Date: 2025-09-26
Form: DEFA14A
Chunk 1
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| ☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 
 CFR 240.14a-12)                                                        |

| ☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |

| ☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

Securities registered pursuant to Section 12(b) of the Act:

| Title of each class |     | Trading   
 Symbol(s) |     | Name of each exchange 
 on which registered   |
| Common              |     | STAA      |     | NASDAQ                |

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2of the Securities Exchange Act of 1934 (§240.12b-2of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01. Regulation FD Disclosure. On September 26, 2025, STAAR Surgical Company, a Delaware corporation (the “Company”), issued an investor presentation discussing highlighted reasons why the proposed merger with Alcon maximizes value for Company stockholders, and issued a related press release. A copy of such investor presentation and press release are furnished as Exhibits 99.1 and 99.2 to this Current Report, respectively, and are incorporated herein by reference. The information furnished herewith pursuant to Item 7.01 of this Current Report, including Exhibits 99.1 and 99.2, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. The information in Item 7.01 of this Current Report shall not be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, whether made before or after the date of this Current Report, regardless of any general incorporation language in