CHIZEVER GERALD M has filed 9 insider transactions across 1 company since May 2023.
Most recent transaction: a grant/award of 873 shares of OSI SYSTEMS INC ($OSIS) on August 20, 2025.
Activity breakdown: 0 open-market purchases and 6 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug. 20, 2025 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | A | Common Stock | 873 | $223.39 | 10,149.0000 | 17,178,000 | 9.41% | 0.01% |
| Jan. 27, 2025 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | S | Common Stock | 2701 | $195.83 | 9,276.0000 | 17,040,000 | 22.55% | 0.02% |
| Nov. 7, 2024 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | S | Common Stock | 2000 | $148.16 | 11,977.0000 | 17,055,000 | 14.31% | 0.01% |
| Sept. 11, 2024 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | S | Common Stock | 3000 | $138.41 | 13,977.0000 | 17,354,000 | 17.67% | 0.02% |
| Aug. 14, 2024 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | A | Common Stock | 1403 | $139.02 | 16,977.0000 | 17,354,000 | 9.01% | 0.01% |
| May 8, 2024 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | S | Common Stock | 3000 | $134.11 | 15,574.0000 | 17,425,000 | 16.15% | 0.02% |
| July 28, 2023 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | A | Common Stock | 1658 | $117.63 | 18,574.0000 | 17,190,000 | 9.80% | 0.01% |
| June 1, 2023 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | S | Common Stock | 1500 | $118.59 | 16,916.0000 | 17,184,000 | 8.15% | 0.01% |
| May 17, 2023 | OSI SYSTEMS INC | $OSIS | CHIZEVER GERALD M | Not found | S | Common Stock | 1500 | $117.04 | 18,416.0000 | 17,184,000 | 7.53% | 0.01% |