Quanta Services, Inc.

PWR·NYSE·$742.18Share Price as of 11/2·$111BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/29/26 10-QQ2 ended 06/30/2607/30/26 10-QQ1 ended 03/31/2604/30/26 10-KFY 202502/19/26 10-QQ3 ended 09/30/2510/30/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report09/15/26 8-KCurrent report08/06/26 8-KCurrent report08/04/26 8-KCurrent report07/30/26

Prospectuses and Registrations

424B5Prospectus supplement08/05/26 FWPFree writing prospectus08/04/26 424B5Prospectus supplement08/03/26 S-8 POSPost-effective amendment (S-8)11/10/25 S-8Registration of securities for employees11/07/25

Proxies

DEF 14ADefinitive proxy04/10/26 DEFA14AAdditional proxy materials04/10/26 DEF 14ADefinitive proxy04/11/25 DEFA14AAdditional proxy materials04/11/25 DEF 14ADefinitive proxy04/12/24

Ownership

Form 3Initial insider ownership09/11/26 Form 4Insider transaction09/11/26 Form 4Insider transaction06/03/26 Form 4Insider transaction06/03/26 Form 4Insider transaction06/03/26

Other

SDConflict Minerals disclosure06/01/26 UPLOADLetter from the SEC05/06/26 CORRESPCorrespondence with the SEC05/05/26 CORRESPCorrespondence with the SEC04/17/26 UPLOADLetter from the SEC04/15/26