Ownership stake disclosure (amended)
On EDGAR, not explained yet
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
From the 20-F 0001493152-26-016229 on EDGAR
On EDGAR, not explained yet.
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.
| Mar 24 | Jun 24 | Sep 24 | Dec 24 | Mar 25 | Jun 25 | Sep 25 | Dec 25 | |
|---|---|---|---|---|---|---|---|---|
| Cash | — | — | — | $2.9M | — | — | — | $732K |
| Shares outstanding | — | — | — | 18.8M | — | — | — | 18.8M |
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.
Ownership stake disclosure (amended)
On EDGAR, not explained yet
On EDGAR, not explained yet
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
Prospectus for shares being sold
On EDGAR, not explained yet
Prospectus for shares being sold
On EDGAR, not explained yet
Prospectus for shares being sold
On EDGAR, not explained yet
Registration declared effective May 15
On EDGAR, not explained yet
On EDGAR, not explained yet
On EDGAR, not explained yet
On EDGAR, not explained yet
Ownership stake disclosure (amended)
Employee stock plan registration
On EDGAR, not explained yet
On EDGAR, not explained yet
Employee stock plan registration
On EDGAR, not explained yet
On EDGAR, not explained yet
| Date | Form | What it is |
|---|---|---|
| Oct 16, 2026 | S-8 | Employee stock plan registration |
| Aug 14, 2026 | 424B5 | Prospectus |
| Aug 4, 2026 | S-8 | Employee stock plan registration |
| Jul 31, 2026 | 424B5 | Prospectus |
| May 18, 2026 | 424B5 | Prospectus |
| May 15, 2026 | EFFECT | Registration declared effective |
| May 13, 2026 | F-3/A | Shelf registration (amended) Key exhibits: Warrants or notes (EX-4.3) |
| May 5, 2026 | F-3 | Shelf registration |
12 older offerings and dilution filings on EDGAR.
| Date | Form | What it is |
|---|---|---|
| Oct 20, 2026 | Form 4 | Teck Shen Tang (Project Director) reported 69,375 RNTZ at $7.37, worth $511K |
| Oct 20, 2026 | Form 3 | New insider |
| Oct 15, 2026 | Form 4 | Xiaoyan Liao (Director and Head of HR) reported 782,372 RNTZ at $7.37, worth $5.8M |
| Oct 14, 2026 | Form 4 | Chun Seong Ng (Officer) reported 233,517 SKK at $7.37, worth $1.7M |
| Oct 14, 2026 | Form 4 | Koon Kiat Sze (CEO) reported 1,284,960 SKK |
| Oct 14, 2026 | Form 4 | Marianne McInerney (President) reported 1,059,519 SKK |
| Oct 14, 2026 | Form 3 | New insider |
| May 11, 2026 | Form 3 | New insider |
6 older insiders filings on EDGAR.
| Date | Form | What it is |
|---|---|---|
| Oct 20, 2026 | Schedule 13G | Passive stake of 5% or more |
| Oct 20, 2026 | Schedule 13D/A | Active stake of 5% or more (amended) |
| Oct 19, 2026 | Schedule 13G/A | Passive stake of 5% or more (amended) |
| Oct 19, 2026 | Schedule 13G/A | Passive stake of 5% or more (amended) |
| Oct 19, 2026 | Schedule 13D | Active stake of 5% or more |
| May 6, 2025 | Schedule 13G | Passive stake of 5% or more |
| Feb 27, 2025 | Schedule 13D | Active stake of 5% or more |
| Feb 24, 2025 | Schedule 13G | Passive stake of 5% or more |
| Date | Form | What it is |
|---|---|---|
| Apr 30, 2025 | NT 20-F | NT 20-F |
| Date | Form | What it is |
|---|---|---|
| Oct 29, 2026 | 6-K | Foreign issuer report Key exhibits: Press release (EX-99.1) |
| Oct 22, 2026 | 6-K | Foreign issuer report |
| Oct 13, 2026 | 6-K | Foreign issuer report Key exhibits: Press release (EX-99.1) |
| Sep 25, 2026 | 6-K | Foreign issuer report Key exhibits: Press release (EX-99.1) |
| Aug 19, 2026 | 6-K | Foreign issuer report Key exhibits: Press release (EX-99.1) |
| Aug 18, 2026 | 6-K | Foreign issuer report Key exhibits: Material contract (EX-10.1) |
| Jun 24, 2026 | 6-K | Foreign issuer report |
| Jun 5, 2026 | 6-K | Foreign issuer report Key exhibits: Press release (EX-99.1) |
53 older other filings on EDGAR.
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
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
From the company's own filings; each row names its source. Not investment advice.
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.
Companies of similar size in SIC 1623 and related industry codes: the same peer list as the financial tables.