{"filing":{"accession_number":"0001193125-26-234610","cik":"0000704532","ticker":"ONTO","company_name":"ONTO INNOVATION INC.","form":"8-K","filing_date":"2026-05-21","report_date":null,"primary_document":"d17904d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/704532/000119312526234610/d17904d8k.htm"},"events":[{"id":9420,"run_id":8260,"accession_number":"0001193125-26-234610","anchor_item_number":"1.01","event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"summary":"Onto Innovation issued $1.7 billion in aggregate principal amount of 0.00% Convertible Senior Notes due 2031, convertible into common stock at an initial conversion price of approximately $381.80 per share, with net proceeds of approximately $205 million used to repurchase 805,325 shares. The convertible notes represent a significant dilutive capital raise with substantial equity component and conversion potential affecting shareholder equity.","company_name":"ONTO INNOVATION INC.","ticker":"ONTO","filing_date":"2026-05-21","form":"8-K","submitted_at":null,"items":[{"id":1052,"accession_number":"0001193125-26-234610","item_number":"1.01","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"Onto Innovation issued $1.7 billion in aggregate principal amount of 0.00% Convertible Senior Notes due 2031 on May 21, 2026, with a conversion rate of 2.6192 shares per $1,000 principal amount (initial conversion price ~$381.80). The notes are convertible into common stock under specified circumstances, creating significant dilution potential. While this is technically debt issuance, the convertible feature and the substantial equity component make it a dilutive capital raise, fitting the dilutive_issuance category more closely than a pure debt event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:55:23.020295+00:00","company_name":"","ticker":null,"filing_date":""},{"id":1053,"accession_number":"0001193125-26-234610","item_number":"2.03","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Item 2.03 discloses creation of a direct financial obligation and incorporates Item 1.01 by reference. Item 1.01 typically covers material acquisitions, dispositions, or changes of control. The cross-reference structure indicates a significant transaction creating financial obligations, most likely M\u0026A activity. Without access to Item 1.01 content, ma_activity is the most probable classification given the Item 2.03 context and incorporation language.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:55:23.020295+00:00","company_name":"","ticker":null,"filing_date":""},{"id":1054,"accession_number":"0001193125-26-234610","item_number":"3.02","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"Item 3.02 discloses an unregistered sale of convertible notes issued to qualified institutional buyers under Rule 144A, with a maximum of 5,893,200 shares of Common Stock potentially issuable upon conversion at a conversion rate of 3.9288 shares per $1,000 principal. This is a classic dilutive issuance involving convertible securities that will result in equity dilution to existing shareholders upon conversion.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:55:23.020295+00:00","company_name":"","ticker":null,"filing_date":""},{"id":1055,"accession_number":"0001193125-26-234610","item_number":"8.01","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"The filing discloses pricing of convertible notes (\"Notes\") with net proceeds of approximately $205 million used to repurchase 805,325 shares at $254.53 per share. The convertible notes are explicitly stated to be \"issuable upon conversion,\" indicating a dilutive equity instrument. This is a material capital-raising event affecting the company's capital structure and shareholder equity.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:55:23.020295+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":1052,"accession_number":"0001193125-26-234610","item_number":"1.01","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"Onto Innovation issued $1.7 billion in aggregate principal amount of 0.00% Convertible Senior Notes due 2031 on May 21, 2026, with a conversion rate of 2.6192 shares per $1,000 principal amount (initial conversion price ~$381.80). The notes are convertible into common stock under specified circumstances, creating significant dilution potential. While this is technically debt issuance, the convertible feature and the substantial equity component make it a dilutive capital raise, fitting the dilutive_issuance category more closely than a pure debt event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:55:23.020295+00:00","company_name":"ONTO INNOVATION INC.","ticker":"ONTO","filing_date":"2026-05-21"},{"id":1053,"accession_number":"0001193125-26-234610","item_number":"2.03","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Item 2.03 discloses creation of a direct financial obligation and incorporates Item 1.01 by reference. Item 1.01 typically covers material acquisitions, dispositions, or changes of control. The cross-reference structure indicates a significant transaction creating financial obligations, most likely M\u0026A activity. Without access to Item 1.01 content, ma_activity is the most probable classification given the Item 2.03 context and incorporation language.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:55:23.020295+00:00","company_name":"ONTO INNOVATION INC.","ticker":"ONTO","filing_date":"2026-05-21"},{"id":1054,"accession_number":"0001193125-26-234610","item_number":"3.02","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"Item 3.02 discloses an unregistered sale of convertible notes issued to qualified institutional buyers under Rule 144A, with a maximum of 5,893,200 shares of Common Stock potentially issuable upon conversion at a conversion rate of 3.9288 shares per $1,000 principal. This is a classic dilutive issuance involving convertible securities that will result in equity dilution to existing shareholders upon conversion.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:55:23.020295+00:00","company_name":"ONTO INNOVATION INC.","ticker":"ONTO","filing_date":"2026-05-21"},{"id":1055,"accession_number":"0001193125-26-234610","item_number":"8.01","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"The filing discloses pricing of convertible notes (\"Notes\") with net proceeds of approximately $205 million used to repurchase 805,325 shares at $254.53 per share. The convertible notes are explicitly stated to be \"issuable upon conversion,\" indicating a dilutive equity instrument. This is a material capital-raising event affecting the company's capital structure and shareholder equity.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:55:23.020295+00:00","company_name":"ONTO INNOVATION INC.","ticker":"ONTO","filing_date":"2026-05-21"}]}