# Filing Detail

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000950170-25-052320
Filing Date
2025-04-09
Accepted
2025-04-09 08:55:18
Documents
3

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFA14A | onto_defa14a_2025.htm | DEFA14A | 18390
2 | GRAPHIC | img235976323_0.jpg | GRAPHIC | 502232
3 | GRAPHIC | img235976323_1.jpg | GRAPHIC | 404138
| Complete submission text file | 0000950170-25-052320.txt |  | 1267467

Mailing Address 16 JONSPIN ROAD WILMINGTON MA 01887
Business Address 16 JONSPIN ROAD WILMINGTON MA 01887 9782536200
ONTO INNOVATION INC. (Filer) CIK: 0000704532 (see all company filings)

EIN.: 942276314 | State of Incorp.: DE | Fiscal Year End: 1226
Type: DEFA14A | Act: 34 | File No.: 001-39110 | Film No.: 25823935
SIC: 3829 Measuring & Controlling Devices, NEC
(CF Office: 08 Industrial Applications and Services)