Insider Ownership Activity for SOFTBANK GROUP CORP.

SEC Forms 3/4/5 positions, issuer links, and transaction evidence for this reporting owner.

Linked issuers

13

Largest position

ARM HOLDINGS PLC /UK

Disclosed value

$31.64B

Transaction activity

Available

Ownership signals CIK-linked ownership evidence from parsed SEC filings. 1 signal
Reporting-owner positions (Forms 3/4/5)

Forms 3/4/5 connect reporting owners to issuers, positions, and transactions disclosed to the SEC. They are filing-backed ownership signals, not a complete capitalization table.

Estimated position value

3/4/5
$31.64B

Estimated from parsed Forms 3/4/5 when filings include enough share and price data.

Source: Forms 3/4/5Confidence: Estimate depends on reported shares and prices

Linked issuers

3/4/5
13

Distinct issuers connected to this reporting owner in parsed SEC filings.

Scope: Reporting-owner relationships, not all shareholders

Largest linked position

3/4/5
ARM HOLDINGS PLC /UK (ARM)

$18.45B from parsed reporting-owner filings.

Source: Linked issuer filing trail

Latest parsed filing

SEC
29 May 2026

Most recent reporting-owner filing date in the parsed SEC record.

Freshness: Most recent parsed reporting-owner filing

Symbotic Inc. (SYM)

Filing-backed value: $2.12B · 12-month value change: -$468.06M · Role: 10%+ Owner

WeWork Inc.

Filing-backed value: $51.47M · Role: 10%+ Owner

+7 more

Additional issuer positions are listed below.

How to read Forms 3/4/5 positions
  • Reported values are filing-backed estimates from parsed SEC Forms 3/4/5 when the filing includes enough share and price data.
  • Use this as reporting-owner context, not as a full capitalization table or a public-float ownership breakdown.
Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Tokyo, Japan
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
SoftBank Group Corp., By: /s/ Yuko Yamamoto, Head of Corporate Legal Department
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Source filing history
Open source filing history
Source: SEC Forms 3/4/5Freshness: Reporting-owner filing trail

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Reported issuer positions for SOFTBANK GROUP CORP.

TMUS, TMUSI Forms 3/4/5

T-Mobile US, Inc.

Relationship
Director
Holdings value
$10,085,632,643
Past year net change
Change %
Report period
28 Jan 2022
SYM Forms 3/4/5

Symbotic Inc.

Relationship
10%+ Owner
Holdings value
$2,118,706,598
Past year net change
-$468,063,600
Change %
-18%
Report period
27 May 2026
WE Forms 3/4/5

WeWork Inc.

Relationship
10%+ Owner
Holdings value
$51,474,035
Past year net change
Change %
Report period
01 Apr 2023
MTBL Forms 3/4/5

Moatable, Inc.

Relationship
10%+ Owner
Holdings value
Past year net change
Change %
Report period
29 Dec 2023

Recent insider transactions for SOFTBANK GROUP CORP.

Sym Company Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
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