SEC ownership of Robot Consulting Co., Ltd.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002007599.

CIK
0002007599
Symbol
LAWR on Nasdaq
Location
Tokyo, Japan
Parsed ownership evidence
13D/G, 3/4/5, and 13F
Lead holder
Hidetoshi Yokoyama
13D/G signal
Hidetoshi Yokoyama
Latest evidence date
31 Mar 2026

Ownership snapshot

Top shareholders of Robot Consulting Co., Ltd. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.

Lead holder
Hidetoshi Yokoyama
13D/G signal
Hidetoshi Yokoyama
Evidence rows
7
Latest as of
31 Mar 2026
13D/G 3/4/5 13F Lead comparable stake: 62% 13D/G row: Hidetoshi Yokoyama
Holder Evidence Ownership % Position 12M Net Δ As of
Hidetoshi Yokoyama
13D/G 3/4/5
Director
62%
$106,695,000
28,452,000 shares
$0 30 Sep 2025
HRT FINANCIAL LP
13F
Company
13F
0.14%
$236,000
62,967 shares
31 Mar 2026
MORGAN STANLEY
13F
Company
13F
0.08%
$131,250
35,000 shares
31 Mar 2026
Quadrature Capital Ltd
13F
Company
13F
0.07%
$115,151
30,707 shares
31 Mar 2026
CITADEL ADVISORS LLC
13F
Company
13F
0.06%
$78,826
28,027 shares
31 Mar 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
13F
0.03%
$48,083
12,822 shares
31 Mar 2026
RHUMBLINE ADVISERS
13F
Company
13F
0.01%
$14,733
3,929 shares
31 Mar 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

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 28 May 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 0 $0 $0 $0
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

Current reporting-owner rows connected to Robot Consulting Co., Ltd.. Open the relationship link for the CIK-to-CIK filing trail.

Rows
6
Lead holder
Koji Aoki
Net 12M change
$0
Latest report
18 Mar 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Koji Aoki Director Mixed 18 Mar 2026
Hidetoshi Yokoyama Director Mixed 18 Mar 2026
Tomoya Suzuki Director and CTO, Director Mixed 18 Mar 2026
Yukio Aida Director and CFO, Director Mixed 18 Mar 2026
Amit Thakur Director and CEO, Director Mixed 18 Mar 2026
Arisa Koga Director and COO, Director Mixed 18 Mar 2026

Recent Insider Transactions by Companies or Individuals for Robot Consulting Co., Ltd.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Hidetoshi Yokoyama LAWR Ordinary shares 0 28,452,000 18 Mar 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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