This is a standard initial ownership filing with no securities reported. Monitor future Form 4 filings for any open-market purchases or grants that could signal insider conviction.
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Executive Summary
Mary C. Henry filed an initial statement of beneficial ownership (Form 3) with the SEC, reporting no securities owned in A10 Networks, Inc. This is a routine administrative filing required upon becoming a reporting person, with no trading or economic impact.
Key Facts
- Form 3 filed by Mary C. Henry as a new reporting person of A10 Networks, Inc.
- The filing reports zero shares beneficially owned as of the event date (October 5, 2026).
- A power of attorney (Exhibit 24) was included, authorizing certain individuals to file Section 16 reports on her behalf.
Financial Impact
No financial impact — zero shares reported, no transactions disclosed.
Risk Factors
- No material risks identified from this filing.
Investment Themes
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 3 Filing (Primary) | 0001784794-26-000006 |
| Document: 0001784794-26-000006-index-headers.html | 0001784794-26-000006 |
| Document: 0001784794-26-000006-index.html | 0001784794-26-000006 |
| Document: 0001784794-26-000006.txt | 0001784794-26-000006 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 20, 2026 6d ago | Institutional Cluster | $25.05 | awaiting T+20 | — | $26.98 (+7.70%) |
Oct 7, 2026 19d ago | 3 | $27.96 | awaiting T+20 | — | $26.98 (−3.51%) |
Sep 14, 2026 6w ago | 8-K | $25.61 $28.72 | ▲ +12.14% | ▲ +9.88% | $26.98 (+5.35%) |
Aug 16, 2026 10w ago | Institutional Cluster | $27.35 $26.75 | ▼ −2.19% | ▼ −0.22% | $26.98 (−1.35%) |
Aug 6, 2026 11w ago | 8-K | $26.84 $24.59 | ▼ −8.38% | ▼ −7.99% | $26.98 (+0.52%) |
Jun 11, 2026 19w ago | Institutional Cluster | $32.66 $38.11 | ▲ +16.69% | ▲ +14.80% | $26.98 (−17.39%) |
May 5, 2026 24w ago | 144 | $26.72 $31.44 | ▲ +17.66% | ▲ +14.88% | $26.98 (+0.97%) |
May 1, 2026 25w ago | 8-K | $27.04 $31.54 | ▲ +16.64% | ▲ +11.00% | $26.98 (−0.22%) |
Apr 28, 2026 25w ago | 8-K | $26.63 $29.15 | ▲ +9.46% | ▲ +4.00% | $26.98 (+1.31%) |
Apr 8, 2026 28w ago | DEFA14A | $25.03 $27.13 | ▲ +8.39% | ▼ −0.15% | $26.98 (+7.79%) |
US Market Status
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