Rantizo

RNTZ on Nasdaq, formerly SKKWater, sewer, pipeline, comm & power line construction

Rantizo’s latest filing is a 6-K from . Every Rantizo filing is below, newest first.

Insiders No open-market insider buys or sells at Rantizo in the last 90 days; 7 filings reported awards, option exercises, tax withholding or new insiders. Every trade

Legal name
Rantizo
CIK
1991261
  • Cash$732KCash down $2.2M vs the Dec 2024 quarter
  • Shares outstanding18.8M+0% from 18.8M on Dec 31, 2024

From the 20-F 0001493152-26-016229 on EDGAR

6-K filed

Foreign issuer report

On EDGAR, not explained yet.

Key numbers

Operating margin, last year
−19.6%
Revenue growth, year on year
+15%
Cash
$732K

From the 20-F 0001493152-26-016229 for the period ended Dec 31, 2025, as tagged in its XBRL; growth is against the same period a year earlier. Not investment advice.

Every quarter as a table
Key numbers, last 8 quarters (— means no figure was tagged for that quarter; each share count is the one on the report's cover, with the cover date under it)
Mar 24Jun 24Sep 24Dec 24Mar 25Jun 25Sep 25Dec 25
Cash———$2.9M———$732K
Shares outstanding———18.8M———18.8M

Every line item over time, with Excel and CSV export

Get an email when Rantizo files

Only major filings: results, leadership changes, listing notices and other major events, each with the plain-English summary when we have one or the key facts and the EDGAR link. Routine insider filings never email. Confirm once; unsubscribe in one click.

All filings

Latest: the 34 newest filings, key filings first. Each other tab counts its kind among the 106 most recent EDGAR filings.

Results, 8-Ks and Major or Notable filings come first, then registrations and share actions, then everything else, newest first. Routine filings are kept here unmarked; insider filings are summed up in one line.

Results, 8-Ks and key filings

No open-market insider buys or sells at Rantizo in the last 90 days; 7 filings reported awards, option exercises, tax withholding or new insiders. Every RNTZ insider trade

Financing and share filings

  1. 2 more 424B5 filings, Jul 31 to May 18

Other filings

  1. 3 more 6-K filings, Sep 25 to Aug 18
  2. 2 more 6-K filings, Jun 5 to May 18
  3. 6 older filings, May 13 to Oct 14, 2025

Older filings on EDGAR

Results 2

DateFormWhat it is
Apr 10, 202620-FYear ended Dec 31, 2025: revenue $12.9M (+15%), diluted EPS −$0.16
May 15, 202520-FYear ended Dec 31, 2024: revenue $11.3M, diluted EPS $0.03

Offerings and dilution 20

DateFormWhat it is
Oct 16, 2026S-8Employee stock plan registration
Aug 14, 2026424B5Prospectus
Aug 4, 2026S-8Employee stock plan registration
Jul 31, 2026424B5Prospectus
May 18, 2026424B5Prospectus
May 15, 2026EFFECTRegistration declared effective
May 13, 2026F-3/AShelf registration (amended)

Key exhibits: Warrants or notes (EX-4.3)

May 5, 2026F-3Shelf registration

12 older offerings and dilution filings on EDGAR.

Insiders 14

DateFormWhat it is
Oct 20, 2026Form 4Teck Shen Tang (Project Director) reported 69,375 RNTZ at $7.37, worth $511K
Oct 20, 2026Form 3New insider
Oct 15, 2026Form 4Xiaoyan Liao (Director and Head of HR) reported 782,372 RNTZ at $7.37, worth $5.8M
Oct 14, 2026Form 4Chun Seong Ng (Officer) reported 233,517 SKK at $7.37, worth $1.7M
Oct 14, 2026Form 4Koon Kiat Sze (CEO) reported 1,284,960 SKK
Oct 14, 2026Form 4Marianne McInerney (President) reported 1,059,519 SKK
Oct 14, 2026Form 3New insider
May 11, 2026Form 3New insider

6 older insiders filings on EDGAR.

Ownership 8

DateFormWhat it is
Oct 20, 2026Schedule 13GPassive stake of 5% or more
Oct 20, 2026Schedule 13D/AActive stake of 5% or more (amended)
Oct 19, 2026Schedule 13G/APassive stake of 5% or more (amended)
Oct 19, 2026Schedule 13G/APassive stake of 5% or more (amended)
Oct 19, 2026Schedule 13DActive stake of 5% or more
May 6, 2025Schedule 13GPassive stake of 5% or more
Feb 27, 2025Schedule 13DActive stake of 5% or more
Feb 24, 2025Schedule 13GPassive stake of 5% or more

Other 61

DateFormWhat it is
Oct 29, 20266-KForeign issuer report

Key exhibits: Press release (EX-99.1)

Oct 22, 20266-KForeign issuer report
Oct 13, 20266-KForeign issuer report

Key exhibits: Press release (EX-99.1)

Sep 25, 20266-KForeign issuer report

Key exhibits: Press release (EX-99.1)

Aug 19, 20266-KForeign issuer report

Key exhibits: Press release (EX-99.1)

Aug 18, 20266-KForeign issuer report

Key exhibits: Material contract (EX-10.1)

Jun 24, 20266-KForeign issuer report
Jun 5, 20266-KForeign issuer report

Key exhibits: Press release (EX-99.1)

53 older other filings on EDGAR.

Listing compliance

No listing notices in the 8-K item 3.01 filings SEC Tracker has read.

Dates and rules are as stated in each 8-K item 3.01 filing; a blank means the filing did not state one. Read the filing for the full terms. All open notices

Trading halts

No trading halts for RNTZ since Feb 22, 2019, when SEC Tracker began reading the Nasdaq Trader feed.

Halt times and codes from the Nasdaq Trader trade halts feed, which lists Nasdaq and other exchange halts. Filings matched by SEC Tracker from EDGAR by company and time. Not investment advice. All recent halts

Rantizo shares and listing

From the company's own filings; each row names its source. Not investment advice.

  • Listing compliance8-K item 3.01No noticesin the filings read

Insider activity

No open-market insider buys or sells at Rantizo in the last 90 days; 7 filings reported awards, option exercises, tax withholding or new insiders.

All RNTZ insider trades

Similar companies

Companies of similar size in SIC 1623 and related industry codes: the same peer list as the financial tables.