Comparable stake leader
Ryuichi Sasaki
SEC ownership of CTW Cayman
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002047148.
Disclosed value leader
Ryuichi Sasaki
Comparable rows
6/7
Latest evidence
27 May 2026
- Symbol
- CTW on Nasdaq
- SEC evidence covered
- 13D/G, 3/4/5, and 13F
- Largest SEC-reported holder
- Ryuichi Sasaki
- Latest 13D/G holder
- Ryuichi Sasaki
- Latest parsed evidence date
- 27 May 2026
- CIK
- 0002047148
- Location
- Tokyo
Ownership snapshot
2 signals
Issuer
2 identity fields
Ownership snapshot
Top shareholders of CTW Cayman (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Ryuichi Sasaki
Disclosed value leader
Ryuichi Sasaki
Comparable rows
6/7
Latest evidence
27 May 2026
13D/G
3/4/5
13F
Lead comparable stake: 96%
1 rows are not safely comparable across share classes.
13D/G row: Ryuichi Sasaki
Quick read
Ryuichi Sasaki leads the comparable SEC ownership view at 96%.
6 of 7 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
Ryuichi Sasaki
96%
Zhixian Liu
0.04%
XTX Topco Ltd
0.03%
PINNACLE ASSOCIATES LTD
0.02%
UBS Group AG
0%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-7 of 7 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ryuichi Sasaki |
13D/G
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
96%
|
$136,200,000
60,000,000 shares
|
$0 | 30 Sep 2025 |
| Zhixian Liu |
3/4/5
Chief Financial Officer
|
0.04%
|
$36,000
24,000 shares
|
— | 18 Mar 2026 |
| XTX Topco Ltd |
13F
Company
|
0.03%
|
$39,409
19,318 shares
|
— | 31 Mar 2026 |
| PINNACLE ASSOCIATES LTD |
13F
Company
|
0.02%
|
$30,600
15,000 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
0%
|
$2,411
1,182 shares
|
— | 31 Mar 2026 |
| Caitong International Asset Management Co., Ltd |
13F
Company
|
0%
|
$6
3 shares
|
— | 31 Mar 2026 |
| Hairihan Tong |
3/4/5
Chief Technology Officer
|
—
mixed-class rows
|
$289
116,352 shares
mixed-class rows
|
-$1,478 | 27 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$1,478.
Buys
$0
Insiders: 0
Sells
$1,478
Insiders: 1
Net
-$1,478
Shares: -669
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 669
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 669 | $0 | $1,478 | -$1,478 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-7 of 7 reporting-owner rows connected to CTW Cayman. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
Ryuichi Sasaki
Net 12M change
-$1,478
Latest report
27 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Ryuichi Sasaki | Chief Executive Officer, Director, 10%+ Owner | $72,000,000 | Mixed | 18 Mar 2026 | ||
| Zhixian Liu | Chief Financial Officer | $36,000 | Mixed | 18 Mar 2026 | ||
| Hairihan Tong | Chief Technology Officer | $289 | -$1,478 | -84% | Filing P/S | 27 May 2026 |
| Akihiro Ishiwata | Executive Vice President, Director | Mixed | 01 Apr 2026 | |||
| Kevin Dean Vassily | Director | Mixed | 01 Apr 2026 | |||
| Koichiro Yamashita | Director | Mixed | 01 Apr 2026 | |||
| Naoto Hattori | Director | Mixed | 01 Apr 2026 |
Recent insider transactions for CTW Cayman
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Hairihan Tong | CTW | Class A ordinary shares | Sale | -83.6% | $1,478 | $2.21 | -669 | 131 | 27 May 2026 | Direct |
| Hairihan Tong | CTW | Class A ordinary shares | Options Exercise | 800 | 800 | 27 May 2026 | Direct | |||
| Hairihan Tong | CTW | Stock Options | Options Exercise | -0.68% | -800 | 116,221 | 27 May 2026 | Direct |
* marks a reported price that did not pass the local price check.