# ALARMGUARD HOLDINGS INC

ALARMGUARD HOLDINGS INC is a company headquartered in Orange, CT, United States.

## Company overview

- **Legal name:** ALARMGUARD HOLDINGS INC
- **Former names in filing history:** TRITON GROUP LTD (1995-11-08 to 1997-02-10); TRITON GROUP LTD /DE/ (1994-03-16 to 1995-02-16)
- **Classification:** Company
- **Industry (SIC):** 5900 — Retail-Miscellaneous Retail
- **Headquarters:** Orange, CT, United States
- **Incorporated in:** DE
- **Fiscal year end:** March 31
- **SEC CIK:** 0000319250

## About

ALARMGUARD HOLDINGS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000319250, and its reported industry is Retail-Miscellaneous Retail. The retained history contains 12 filings, including SC 13G filed on 2000-02-11. 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 2000-02-11
- Form SC 13G — filed 1999-02-11
- Form 10-Q — filed 1998-11-16 — period 1998-09-30 — ALARMGUARD HOLDINGS, INC.
- Form 10-Q — filed 1998-08-11 — period 1998-06-30
- Form SC 13G — filed 1998-07-09
- Form SC 13G — filed 1998-07-09
- Form SC 13G — filed 1998-07-09
- Form SC 13G — filed 1998-05-29 — SCHEDULE 13G
- Form 10-Q — filed 1998-05-15 — period 1998-03-31
- Form DEF 14A — filed 1998-05-08 — period 1998-06-30
- Form 8-K — filed 1998-04-27 — period 1998-04-24
- Form SC 13G — filed 1998-04-14 — SCHEDULE 13G

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Updated: 2026-10-23T22:14:22Z

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