Welcome to our dedicated page for Osi Systems SEC filings (Ticker: OSIS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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William F. Ballhaus Jr., a director of OSI Systems, reported changes in his beneficial ownership on Form 4. On 08/20/2025 he purchased 1,007 shares of OSIS common stock at $223.39 per share and, following the transaction, beneficially owned 26,162 shares indirectly through the Ballhaus Trust. The filing also reports a disposition of 3,701 shares (reported on the same table). The Ballhaus Trust is identified as U/A 1/25/02 with William Ballhaus Jr. and Jane K. Ballhaus as trustees. The Form 4 was signed on 08/22/2025.
William F. Ballhaus Jr., a director of OSI Systems, Inc. (OSIS), reported insider transactions on Form 4 covering activity dated 08/20/2025. The filing shows an acquisition of 1,007 shares of OSIS common stock at a price of $223.39 per share, and a contemporaneous disposition of 3,701 shares. After the reported acquisition, the filing discloses beneficial ownership of 26,162 shares held indirectly through the Ballhaus Trust U/A 1/25/02, for which Dr. William Ballhaus Jr. and Jane K. Ballhaus are trustees. The Form 4 is signed by Mr. Ballhaus on 08/22/2025.
William Francis Ballhaus Jr., a director of OSI Systems, purchased 1,007 shares of OSIS common stock on 08/20/2025 at a reported price of $223.39 per share under transaction code A (acquisition). After the transaction, the filing shows beneficial ownership of 26,162 shares held indirectly through the Ballhaus Trust U/A 1/25/02 (with Dr. William Ballhaus Jr. and Jane K. Ballhaus as trustees). The filing also reports a separate disposition of 3,701 shares (no price shown). The Form 4 was signed by Mr. Ballhaus on 08/22/2025 and lists his relationship as a director.
James B. Hawkins, a director of OSI Systems, reported an open-market purchase of 895 shares of OSIS common stock on 08/20/2025 at a reported price of $223.39 per share. After the transaction he beneficially owned 6,536 shares, held directly. The Form 4 was signed on 08/22/2025 and contains no additional explanatory remarks.
Gerald M. Chizever, a director of OSI Systems, reported transactions in the company's common stock on 08/20/2025. The filing shows an acquisition of 873 shares at a price of $223.39 and a separate disposition of 4,276 shares on the same date. After these transactions the report lists 5,873 shares beneficially owned indirectly through The G&C Chizever Family Trust, for which Gerald and Caroline Chizever are trustees. The Form 4 is signed 08/22/2025 and indicates the filing was made by one reporting person.
OSI Systems director Bernard Kelli purchased 783 shares of OSI Systems Inc. (OSIS) at a price of $223.39 per share on 08/20/2025, increasing his direct beneficial ownership to 10,412 shares. The Form 4 reports this non-derivative acquisition and is signed by the reporting person.
Bernard Kelli, a director of OSI Systems, Inc. (OSIS), reported a transaction dated 08/14/2025 in which 126 shares of the company's common stock were tendered as part of a net settlement to cover tax withholding obligations; no shares were sold. Following the withholding, Mr. Kelli beneficially owns 9,629 shares directly. The transaction price per share for the withholding is reported as $236.05. The Form 4 is filed as an individual report by one reporting person and is signed on 08/15/2025.
Insider transaction summary: James B. Hawkins, a director of OSI Systems, tendered shares on 08/14/2025 to satisfy tax withholding related to an equity award. The filing reports no open-market sale; instead, shares were net-settled under a plan, with a reported transaction code of F 144(1) D at a price of $236.05 per share. After the net settlement, Mr. Hawkins beneficially owns 5,641 shares directly. The filing is a routine Section 16 disclosure documenting the reduction in his beneficial holdings due solely to tax withholding.
Janus Henderson Group plc filed Amendment No. 11 to a Schedule 13G reporting beneficial ownership of OSI Systems, Inc. common stock. The filing discloses an aggregate holding of 1,052,726 shares (6.3% of the class) and identifies an indirect subsidiary, JHIUS, as beneficially owning 976,812 shares (5.8%). The filing references the event date requiring disclosure as 06/30/2025 and is signed on 08/14/2025.
The filing includes the issuer address and the filer’s principal office, a certification that the securities were acquired and are held in the ordinary course of business and not to influence control, and a power of attorney authorizing company officers to file required ownership reports. The document contains ownership totals and administrative details but does not describe purchase terms, transactions, or changes in control.
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