OSIS

OSI SYSTEMS INC

Semiconductors & Related DevicesNasdaqLarge accelerated filer

Total Trades

64

Buys

0

Sells

64

Largest Trade

$1M+

Insiders

13

Institutional Funds

295

Inst. Value

$1M+

Activist Filings

19

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Morben Paul KeithPRES.SELL$50K–$100K967$83.44Nov 4, 2022
CHOPRA DEEPAKPRESIDENT AND CEOSELL$100K–$500K5K$82.14Nov 4, 2022
SZE VICTOR SGENERAL COUNSELSELL$500K+10K$75.34Oct 6, 2022
Morben Paul KeithPRES.SELL$50K–$100K1K$78.59Sep 9, 2022
CHOPRA DEEPAKPRESIDENT AND CEOSELL$1M+20K$77.78Sep 9, 2022
CHOPRA DEEPAKPRESIDENT AND CEOSELL$1M+12K$85.08Sep 1, 2022
Maginnis Malcolm PeterPRES.SELL$100K–$500K2K$87.81Aug 29, 2022
Grindstaff GlennCHIEF HUMAN RESOUR…SELL$1K–$15K47$83.18May 31, 2022
SZE VICTOR SGENERAL COUNSELSELL$500K+10K$80.78May 17, 2022
SZE VICTOR SGENERAL COUNSELSELL$15K–$50K580$80.03May 13, 2022
SZE VICTOR SGENERAL COUNSELSELL$100K–$500K5K$80.17May 11, 2022
CHOPRA DEEPAKPRESIDENT AND CEOSELL$100K–$500K5K$80.66May 6, 2022
SZE VICTOR SGENERAL COUNSELSELL$1M+15K$80.17Feb 9, 2022
CHOPRA DEEPAKPRESIDENT AND CEOSELL$100K–$500K5K$82.26Feb 3, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Mawer Investment Management Ltd.

SC 13G/A · Feb 11, 2026

4.7%

804K shares

FMR LLC

SC 13G/A · Jan 8, 2026

10.0%

1.7M shares

JANUS HENDERSON GROUP PLC

SC 13G/A · Nov 14, 2025

5.9%

1.0M shares

Mawer Investment Management Ltd.

SC 13G · Nov 12, 2025

5.1%

856K shares

JANUS HENDERSON GROUP PLC

SC 13G/A · Aug 14, 2025

6.3%

1.1M shares

BlackRock, Inc.

SC 13G/A · Jul 19, 2025

14.2%

2.4M shares

JANUS HENDERSON GROUP PLC

SC 13G/A · May 14, 2025

7.4%

1.2M shares

FMR LLC

SC 13G/A · May 12, 2025

7.3%

1.2M shares

JANUS HENDERSON GROUP PLC

SC 13G/A · Feb 14, 2025

7.4%

1.2M shares

FMR LLC

SC 13G · Feb 12, 2025

5.1%

848K shares

7.3%

1.2M shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

12.3%

2.1M shares

7.2%

1.2M shares

BlackRock, Inc.

SC 13G/A · Jan 22, 2024

15.6%

2.6M shares

10.9%

1.8M shares

BlackRock, Inc.

SC 13G · Jan 23, 2023

19.5%

3.3M shares

10.2%

1.8M shares

BlackRock, Inc.

SC 13G/A · Jan 27, 2022

19.2%

3.4M shares

BlackRock, Inc.

SC 13G · Jan 25, 2022

19.2%

3.4M shares

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