William Ballhaus

Insider Reports History

Location
12525 Chadron Ave, Hawthorne, CA
Signature
/s/ William Ballhaus
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by William Ballhaus:

Stock Role Class Num Shares Value Price $ Report Date Ownership
OSI SYSTEMS INC Director Common Stock 26.2K $5.84M $223.39 Aug 20, 2025 Indirect
OSI SYSTEMS INC Director Common Stock 3.7K $848K $229.12 Aug 20, 2025 Direct

Insider Reports Filed by William Ballhaus

Symbol Company Period Transactions Value $ Form Type Date Filed Role
OSIS OSI SYSTEMS INC Sep 12, 2025 1 -$134K 4 Sep 15, 2025 Director
OSIS OSI SYSTEMS INC Aug 20, 2025 1 $225K 4 Aug 22, 2025 Director
OSIS OSI SYSTEMS INC Aug 20, 2025 1 $225K 4 Aug 22, 2025 Director
OSIS OSI SYSTEMS INC Aug 20, 2025 1 $225K 4 Aug 22, 2025 Director
OSIS OSI SYSTEMS INC Jul 9, 2025 1 $0 4 Jul 18, 2025 Director
OSIS OSI SYSTEMS INC May 21, 2025 1 -$172K 4 May 22, 2025 Director
OSIS OSI SYSTEMS INC May 6, 2025 1 -$205K 4 May 7, 2025 Director
OSIS OSI SYSTEMS INC Feb 10, 2025 1 $0 4 Feb 11, 2025 Director
OSIS OSI SYSTEMS INC Dec 10, 2024 2 -$123K 4 Dec 12, 2024 Director
OSIS OSI SYSTEMS INC Dec 4, 2024 1 $0 4 Dec 6, 2024 Director
OSIS OSI SYSTEMS INC Nov 13, 2024 1 $0 4 Nov 15, 2024 Director
OSIS OSI SYSTEMS INC Aug 14, 2024 1 $225K 4 Aug 16, 2024 Director
OSIS OSI SYSTEMS INC May 21, 2024 3 $0 4 Oct 8, 2024 Director
OSIS OSI SYSTEMS INC May 8, 2024 1 -$90.4K 4 May 9, 2024 Director
OSIS OSI SYSTEMS INC Jul 28, 2023 1 $225K 4 Aug 1, 2023 Director
OSIS OSI SYSTEMS INC Jun 14, 2023 1 -$129K 4 Jun 15, 2023 Director
OSIS OSI SYSTEMS INC Jun 8, 2023 1 $0 4 Jun 21, 2023 Director
OSIS OSI SYSTEMS INC Feb 1, 2023 1 -$38K 4 Feb 3, 2023 Director
OSIS OSI SYSTEMS INC Aug 16, 2022 1 $0 4 Aug 18, 2022 Director
OSIS OSI SYSTEMS INC Jul 6, 2022 1 $0 4 Jul 8, 2022 Director
OSIS OSI SYSTEMS INC Nov 23, 2021 1 $0 4 Nov 30, 2021 Director
OSIS OSI SYSTEMS INC Jul 8, 2021 1 $0 4 Jul 9, 2021 Director