AXT INC files with the SEC under CIK 0001051627 and is classified as semiconductors and related devices. It is grouped with Information Technology companies on this site.
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.38 to $116.69,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (shares): The reporting person is subject to a lock-up agreement that expires on June 20, 2026 that was entered into with the representative of the underwriters (the "Representative") in connection with an underwritten public offering of the Issuer's common stock (the "Offering"). This… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.38 to $89.50,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.70 to $103.33,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.12 to $95.88,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.00 to $90.00,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.68 to $114.36,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.32 to $112.26,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F3 (price): Represents an annual equity grant of common stock calculated based upon $105.99, which was the closing price of the Issuer's common stock on June 4, 2026 (the "Grant Date"), and vests on May 14, 2027.
Footnote F1 (price): Represents an annual equity grant of common stock calculated based upon $105.99, which was the closing price of the Issuer's common stock on June 4, 2026 (the "Grant Date"), and vests on May 14, 2027.
Footnote F1 (price): Represents an annual equity grant of common stock calculated based upon $105.99, which was the closing price of the Issuer's common stock on June 4, 2026 (the "Grant Date"), and vests on May 14, 2027.
Footnote F1 (shares): Represents the exercise of options which were originally granted on 10/28/2016 and became first exercisable on 10/28/2017. All of the shares subject to this option are fully vested.
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions pursuant to the cashless exercise/same-say sale of the options reported in footnote 1 at prices ranging from $110.00 to $115.64,inclusive. Upon request by the Securities… Full note on SEC EDGAR
Footnote F3 (shares): Represents the exercise of options which were originally granted on 10/28/2016 and became first exercisable on 10/28/2017. All of the shares subject to this option are fully vested.
Footnote F4 (shares): Of the total shares sold, 11,806 shares were sold pursuant to the cashless exercise/same-say sale of the options reported in footnote 3.
Footnote F5 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.70 to $121.48,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.2609 to $115.38,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.685 to $111.38,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (shares): Represents a bona-fide gift as a charitable contribution to a donor advised fund. The reporting person is subject to a lock-up agreement that expires on June 20, 2026 that was entered into with the representative of the underwriters (the "Representative") in connection with an… Full note on SEC EDGAR
Footnote F2 (shares): Represents a bona-fide gift as a charitable contribution to a charitable foundation. The reporting person is subject to a lock-up agreement that expires on June 20, 2026 that was entered into the Representative in connection with the Offering. This charitable contribution is a… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.72 to $49.825,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.39 to $51.38,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.87 to $51.45,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.02 to $50.72,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.19 to $51.38,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.52 to $46.63,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.60 to $46.63,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.83 to $47.68,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.10 to $39.85,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.00 to $38.81,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.29 to $38.30,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.53 to $39.13,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.00 to $38.69, inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.39 to $45.83,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.09 to $41.0951, inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (shares): Represents the exercise of options which were originally granted on 10/28/2016 and became first exercisable on 10/28/2017. All of the shares subject to this option are fully vested.
Footnote F2 (shares): Represents the exercise of options which were originally granted on 10/27/2017 and became first exercisable on 10/27/2018. All of the shares subject to this option are fully vested.
Footnote F3 (shares): Represents the exercise of options which were originally granted on 11/5/2018 and became first exercisable on 11/5/2019. All of the shares subject to this option are fully vested.
Footnote F4 (shares): Represents the exercise of options which were originally granted on 11/6/2019 and became first exercisable on 11/6/2020. All of the shares subject to this option are fully vested.
Footnote F1 (shares): Represents an award of at-risk, performance shares ("PSAs") under the Issuer's 2015 Equity Incentive Plan. The PSAs were originally approved to the Reporting Person on February 18, 2025 and are eligible to vest upon the achievement of certain target financial metrics for fiscal… Full note on SEC EDGAR
Footnote F1 (shares): Represents an award of at-risk, performance shares ("PSAs") under the Issuer's 2015 Equity Incentive Plan. The PSAs were originally approved to the Reporting Person on February 18, 2025 and are eligible to vest upon the achievement of certain target financial metrics for fiscal… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.71 to $10.75,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.33 to $12.38,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.15 to $10.81,inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the… Full note on SEC EDGAR
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
AXT INC (AXTI) had 1 insider filing in the last 90 days, with the most recent on 2026-08-19. The full record for AXTI runs to 48 Form 4 filings, the earliest from 2024-10-31. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying AXTI stock?
No insider purchases of AXTI were filed in the last 90 days.
How many insiders are selling AXTI stock?
1 insider sale of AXTI was filed in the last 90 days, totaling $384K.
Where can I see AXTI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects AXTI Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Leonard J. Leblanc - DirectorOpen-market sale$384K
