Updated Jul 16, 2026
Hamamatsu Shigeyuki has filed 4 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.28M.
Shigeyuki Hamamatsu is the Chief Financial Officer of Ooma Inc, a communications services company known for its software-as-a-service and unified communications platform. He has been involved in various SEC filings related to his role, indicating active participation in the company's financial management.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-16 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 3.0K | $17.15 | $51K |
| 2026-06-11 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 3.0K | $17.53 | $52K |
| 2026-06-10 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 3.1K | $16.73 | $52K |
| 2026-06-03 | OOMA | OOMA INC | S — Open-market sale | 27.7K | $17.64 | $489K |
| 2026-06-03 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 2.9K | $18.14 | $53K |
| 2026-03-17 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 2.4K | $13.68 | $33K |
| 2026-03-12 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 2.3K | $14.24 | $33K |
| 2026-03-09 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 2.5K | $14.40 | $36K |
| 2026-03-09 | OOMA | OOMA INC | S — Open-market sale | 10.8K | $14.22 | $153K |
| 2026-03-04 | OOMA | OOMA INC | A — Grant or award | 70.0K | $0.00 | |
| 2026-03-04 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 1.2K | $12.36 | $15K |
| 2025-12-17 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 3.2K | $11.50 | $37K |
| 2025-12-12 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 3.2K | $11.39 | $37K |
| 2025-12-10 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 3.3K | $12.45 | $41K |
| 2025-12-03 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 1.7K | $10.98 | $18K |
| 2025-09-10 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 5.1K | $12.73 | $64K |
| 2025-09-10 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 2.4K | $12.51 | $29K |
| 2025-09-04 | OOMA | OOMA INC | S — Open-market sale | 7.3K | $12.89 | $95K |
| 2025-09-01 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 1.2K | $12.92 | $15K |
| 2024-12-17 | OOMA | OOMA INC | F — Tax withholding / forfeiture | 4.4K | $14.63 | $64K |
Shigeyuki Hamamatsu is the Chief Financial Officer of Ooma Inc, a communications services company known for its software-as-a-service and unified communications platform. He has been involved in various SEC filings related to his role, indicating active participation in the company's financial management.…
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 4 open-market sales ($1.28M) across all tracked 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.
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