Legal & General Investment Management Ltd - 31 Dec 2021 SCHEDULE 13G/A Report for A10 NETWORKS, INC. Common stock, $0.00001 par value per share (ATEN)

Filing manager
Legal & General Investment Management Ltd
Reporting owner
Legal & General Group Plc
Security
A10 NETWORKS, INC. Common stock, $0.00001 par value per share
Beneficially owned shares
2,405,702 shares
Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13G/A

Passive or exempt beneficial ownership filing.

Ownership

3.1%

Beneficial ownership of this reported class.

Shares

2,405,702 shares

Shares beneficially owned as disclosed.

Event date

31 Dec 2021

Date tied to the ownership event or amendment.

Accepted by SEC

09 Jul 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership
3.1%
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
ATEN
Shares outstanding
77,603,290 shares
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
SCHEDULE 13G/A
Accepted by SEC
09 Jul 2025, 10:19:57 UTC
Event date
31 Dec 2021
Source filing
View source filing

Key filing fact

Legal & General Investment Management Ltd disclosed 3.1% ownership in A10 NETWORKS, INC. Common stock, $0.00001 par value per share (ATEN) on 31 Dec 2021.

Key facts

  • Legal & General Investment Management Ltd filed SCHEDULE 13G/A for A10 NETWORKS, INC. Common stock, $0.00001 par value per share (ATEN).
  • Disclosed ownership: 3.1%.
  • Date of event: 31 Dec 2021.

Change

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 09 Jul 2025, 10:19.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (5)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
Legal & General Group Plc 3.1% 2,405,702 0 2,388,253 Mary Ann Colledge Head of Conduct Advisory
Legal & General Investment Management Ltd 3.1% 2,388,253 0 2,388,253 Mary Ann Colledge Head of Conduct Advisory
LGIM Managers (Europe) Limited 3.1% 2,386,395 0 2,386,395 Mary Ann Colledge Head of Conduct Advisory
Legal & General UCITS ETF Plc 3.1% 2,386,395 0 2,386,395 Mary Ann Colledge Head of Conduct Advisory
Legal & General Investment Management America Inc 0.02% 17,449 0 0 Mary Ann Colledge Head of Conduct Advisory
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