CHIZEVER GERALD M — SEC Form 4 filings
SEC reporting owner CIK 1134261. 11 Form 4 filings on record with FilingPulse; latest filed 2026-08-21.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-05-09 to 2026-08-21. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 4 legs across 4 filings — 10,701 shares, $1,642,817 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 7.
- Largest priced transaction: sale of 2,701 shares @ $195.83 ($528,937) in OSI SYSTEMS INC, filed 2025-01-27.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| OSI SYSTEMS INC (OSIS) | Director | 11 | — | 4 legs · 10,701 sh · $1,642,817 | 7 |
Form 4 filings — CHIZEVER GERALD M
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-21 | 4 | OSI SYSTEMS INC (OSIS) | Tax withholding (F): 88 @ $220.92 | EDGAR |
| 2026-08-17 | 4 | OSI SYSTEMS INC (OSIS) | Tax withholding (F): 141 @ $228.56 | EDGAR |
| 2026-07-29 | 4 | OSI SYSTEMS INC (OSIS) | Tax withholding (F): 166 @ $217.30 | EDGAR |
| 2026-07-21 | 4 | OSI SYSTEMS INC (OSIS) | Grant/award (A): 924 @ $216.65 | EDGAR |
| 2026-07-07 | 4 | OSI SYSTEMS INC (OSIS) | Tax withholding (F): 231 @ $221.76 | EDGAR |
| 2025-08-22 | 4 | OSI SYSTEMS INC (OSIS) | Grant/award (A): 873 @ $223.39 | EDGAR |
| 2025-01-27 | 4 | OSI SYSTEMS INC (OSIS) | Sale (S): 2,701 @ $195.83 | EDGAR |
| 2024-11-12 | 4 | OSI SYSTEMS INC (OSIS) | Sale (S): 2,000 @ $148.16 | EDGAR |
| 2024-09-13 | 4 | OSI SYSTEMS INC (OSIS) | Sale (S): 3,000 @ $138.41 | EDGAR |
| 2024-08-16 | 4 | OSI SYSTEMS INC (OSIS) | Grant/award (A): 1,403 @ $139.02 | EDGAR |
| 2024-05-09 | 4 | OSI SYSTEMS INC (OSIS) | Sale (S): 3,000 @ $134.11 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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