# AXT INC — DEFA14A

AXT INC of FREMONT, CA filed a DEFA14A with the SEC on 2026-05-15. Industry: Semiconductors & Related Devices.

## Filing

- Filed: 2026-05-15
- Form: DEFA14A
- Accession: 0001213900-26-057123
- Registrant: AXT INC
- CIK: 0001051627
- Industry (SIC): Semiconductors & Related Devices (3674)
- State of incorporation: DE
- Location: FREMONT, CA

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS |

## Filing timeline for this registrant (56)

_Showing 12 of 56 filings._

| Filed | Form |
| --- | --- |
| [2026-05-18](https://search.stillhousedata.com/proxy/0001213900-26-058419) | DEFA14A |
| 2026-05-15 | DEFA14A |
| [2026-03-31](https://search.stillhousedata.com/proxy/0001437749-26-010683) | DEFA14A |
| [2026-03-31](https://search.stillhousedata.com/proxy/0001437749-26-010661) | DEF 14A |
| [2026-03-20](https://search.stillhousedata.com/proxy/0001213900-26-032328) | PRE 14A |
| [2025-04-03](https://search.stillhousedata.com/proxy/0001558370-25-004395) | DEFA14A |
| [2025-04-03](https://search.stillhousedata.com/proxy/0001558370-25-004393) | DEF 14A |
| [2024-04-05](https://search.stillhousedata.com/proxy/0001558370-24-004783) | DEFA14A |
| [2024-04-05](https://search.stillhousedata.com/proxy/0001558370-24-004782) | DEF 14A |
| [2023-04-07](https://search.stillhousedata.com/proxy/0001558370-23-005621) | DEF 14A |
| [2022-04-08](https://search.stillhousedata.com/proxy/0001558370-22-005220) | DEFA14A |
| [2022-04-08](https://search.stillhousedata.com/proxy/0001558370-22-005218) | DEF 14A |

## More

- [CIK 1051627 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1051627&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001213900-26-057123.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.