Gerald M. Chizever - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Gerald M. Chizever has filed 3 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $296K.
Profile
Gerald M. Chizever is a corporate insider at OSI SYSTEMS INC (OSIS). Chizever has reported 4 insider filings with the SEC since 2024. The most recent filing was in July 2026.
| Role | Director |
|---|---|
| Notability | 20/100 |
Board memberships
- OSI SYSTEMS INC
Trading Pattern
InsiderAlpha's records for Gerald M. Chizever go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Gerald M. Chizever has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at OSI SYSTEMS INC (OSIS) - 1 filing, 2026
- Insider at OSI SYSTEMS INC (OSIS) - 4 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-29 | OSIS | OSI SYSTEMS INC | F - Tax withholding / forfeiture | 166 | $217.30 | $36K |
| 2026-07-21 | OSIS | OSI SYSTEMS INC | A - Grant or award | 924 | $216.65 | $200K |
| 2026-07-07 | OSIS | OSI SYSTEMS INC | F - Tax withholding / forfeiture | 231 | $221.76 | $51K |
| 2025-08-20 | OSIS | OSI SYSTEMS INC | A - Grant or award | 873 | $223.39 | $195K |
| 2024-11-12 | OSIS | OSI SYSTEMS INC | S - Open-market sale | 2.0K | $148.16 | $296K |
Companies - Last 90 Days
- OSI SYSTEMS INC (OSIS) - 3 filings, last 2026-07-29
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Gerald M. Chizever has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Deepak Chopra - $21.29M of OSIS open-market activity in the last 12 months
- Paul Keith Morben - $512K of OSIS open-market activity in the last 12 months
- James B. Hawkins - $425K of OSIS open-market activity in the last 12 months
- William Francis Ballhaus Jr. - $134K of OSIS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- GIC Private Ltd
- GILEAD SCIENCES, INC.
- John F. Givens II
- Global GP LLC
- Globalharvest Holdings Venture Ltd
- Ariel Goldblatt
- GOLDENTREE ASSET MANAGEMENT LP
- GoldenVest LLC
Frequently Asked Questions
Who is Gerald M. Chizever?
Gerald M. Chizever is a corporate insider at OSI SYSTEMS INC (OSIS). Chizever has reported 4 insider filings with the SEC since 2024. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Gerald M. Chizever submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Gerald M. Chizever been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($296K) across all tracked filings.
Where can I see all of Gerald M. Chizever's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Gerald M. Chizever profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.