# SIS BANCORP INC

SIS BANCORP INC is a company headquartered in Springfield, MA, United States.

## Company overview

- **Legal name:** SIS BANCORP INC
- **Classification:** Company
- **Industry (SIC):** 6036 — Savings Institutions, Not Federally Chartered
- **Headquarters:** Springfield, MA, United States
- **Incorporated in:** MA
- **Fiscal year end:** December 31
- **SEC CIK:** 0001013049

## About

SIS BANCORP INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001013049, and its reported industry is Savings Institutions, Not Federally Chartered. The retained history contains 12 filings, including SC 13G filed on 1999-02-09. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form SC 13G — filed 1999-02-09
- Form 10-Q — filed 1998-11-13 — period 1998-09-30
- Form 10-Q — filed 1998-08-14 — period 1998-06-30
- Form 8-K — filed 1998-07-21 — period 1998-07-20
- Form 10-Q — filed 1998-05-14 — period 1998-03-31
- Form 10-K/A — filed 1998-04-30 — period 1997-12-31
- Form DEF 14A — filed 1998-03-31 — period 1998-05-07 — NOTICE & PROXY
- Form 10-K — filed 1998-03-31 — period 1997-12-31 — FORM 10-K
- Form SC 13G — filed 1998-03-06
- Form 8-K — filed 1998-02-13 — period 1998-01-31
- Form SC 13G — filed 1998-02-10
- Form 8-K — filed 1997-12-31 — period 1997-12-17

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Updated: 2026-10-23T22:19:15Z

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