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Shigeyuki Hamamatsu

SVP & Chief Financial Officer

Shigeyuki Hamamatsu (SVP & Chief Financial Officer) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in Ooma, Inc. (OOMA). The largest single filing was $489K of OOMA (27,696 sh × $17.64, as filed), executed Jun 2.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
3
0 buys · 3 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$749K
shares × price, as filed
Last traded
Sep 1
Filed Sep 3

Median ADV $7.5M across their filed names

Open performance
Volume by month
$548K$274K$0Oct 2024Apr 2025Oct 2025Apr 2026Dec 2024 · sells $548KJun 2025 · sells $142KMar 2026 · sells $153KJun 2026 · sells $489KSep 2026 · sells $107K
Buys $0 Sells $1.4M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Technology 3 filings

Sector per market data · by filing · past 12 months

Most traded names
OOMA Ooma, Inc. OOMA · 0 buys · 5 sells 5 filings
Recent filings
OOMASALE Ooma, Inc. View filing → $107K
4,807 sh × $22.33
Exec Sep 1
Filed Sep 3 · 7:16 PM ET
OOMASALE Ooma, Inc. View filing → $489K
27,696 sh × $17.64
Exec Jun 2
Filed Jun 3 · 5:30 PM ET
OOMASALE Ooma, Inc. View filing → $153K
10,790 sh × $14.22
Exec Mar 6
Filed Mar 9 · 5:30 PM ET
OOMASALE Ooma, Inc. View filing → $142K
10,704 sh × $13.31
Exec Jun 9 2025
Filed Jun 10 2025 · 5:30 PM ET
OOMASALE Ooma, Inc. View filing → $548K
35,313 sh × $15.51
Exec Dec 10 2024
Filed Dec 12 2024 · 5:30 PM ET