Oriental Shiraishi Corporation Stock: price and insider trades · Japan
オリエンタル白石株式会社
1 insider bought €11.9M of shares over the last 90 days, the latest by ITOCHU Corporation, filed 29 Oct 2026.
Oriental Shiraishi Corporation: what insiders have been doing
Every trade that managers of Oriental Shiraishi Corporation disclose to EDINET (Japan FSA) is tracked on this page. The company sits in the Industrials sector. In the past year (6 November 2025 to 6 November 2026), 79 filings came from 3 insiders.
No insider sold shares on the market over the period. Instead, the filings list 63 purchases, made by 1 insider. The totals exclude 63 filings filed without an amount. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Those buying include 1 senior executive.
The most recent open-market purchase was published on 29 October 2026, 11 days ago.
With 79 filings in twelve months, the company is more active than the median of 3 filings across the 3,223 companies we follow on the same exchange. Over the whole record (from 2021), the tally stands at 92 purchases and no sales.
In the same sector, recent insider purchases at Auroora Yhtiöt Oyj and MBB SE also feature in our signals. These figures are compiled from regulatory filings published by EDINET (Japan FSA). They describe what insiders did and are not a recommendation.
Who traded when
BuySaleTransparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2026FY ended March 2026 · cache
- ShareXTKSEDINET:S100ZBS0
- ShareXTKSEDINET:S100Z54U
- 87,000 sharesShareXTKSEDINET:S100Z54U:T27Canonical exit: 18 Nov 2026 (T+90)
- 97,200 sharesShareXTKSEDINET:S100Z54U:T28Canonical exit: 19 Nov 2026 (T+90)
- 102,900 sharesShareXTKSEDINET:S100Z54U:T29Canonical exit: 22 Nov 2026 (T+90)
- 91,400 sharesShareXTKSEDINET:S100Z54U:T30Canonical exit: 23 Nov 2026 (T+90)
- 107,700 sharesShareXTKSEDINET:S100Z54U:T31Canonical exit: 24 Nov 2026 (T+90)
- 91,800 sharesShareXTKSEDINET:S100Z54U:T32Canonical exit: 25 Nov 2026 (T+90)
- 84,100 sharesShareXTKSEDINET:S100Z54U:T33Canonical exit: 26 Nov 2026 (T+90)
- 110,500 sharesShareXTKSEDINET:S100Z54U:T34Canonical exit: 29 Nov 2026 (T+90)
- 114,200 sharesShareXTKSEDINET:S100Z54U:T35Canonical exit: 30 Nov 2026 (T+90)
- 120,300 sharesShareXTKSEDINET:S100Z54U:T36Canonical exit: 1 Dec 2026 (T+90)
- 90,800 sharesShareXTKSEDINET:S100Z54U:T37Canonical exit: 2 Dec 2026 (T+90)
- 82,900 sharesShareXTKSEDINET:S100Z54U:T38Canonical exit: 3 Dec 2026 (T+90)
- 86,400 sharesShareXTKSEDINET:S100Z54U:T39Canonical exit: 6 Dec 2026 (T+90)
- 72,100 sharesShareXTKSEDINET:S100Z54U:T40Canonical exit: 7 Dec 2026 (T+90)
- 64,700 sharesShareXTKSEDINET:S100Z54U:T41Canonical exit: 8 Dec 2026 (T+90)
- ShareXTKSEDINET:S100Z54M
- ShareXTKSEDINET:S100Z54Q
- 106,200 sharesShareXTKSEDINET:S100Z54M:T24Canonical exit: 12 Oct 2026 (T+90)
- 91,500 sharesShareXTKSEDINET:S100Z54M:T25Canonical exit: 13 Oct 2026 (T+90)
- 105,100 sharesShareXTKSEDINET:S100Z54M:T26Canonical exit: 14 Oct 2026 (T+90)
- 78,100 sharesShareXTKSEDINET:S100Z54M:T27Canonical exit: 15 Oct 2026 (T+90)
- 92,000 sharesShareXTKSEDINET:S100Z54M:T28Canonical exit: 19 Oct 2026 (T+90)
- 95,700 sharesShareXTKSEDINET:S100Z54M:T29Canonical exit: 20 Oct 2026 (T+90)
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About Oriental Shiraishi Corporation
Oriental Shiraishi Co., Ltd. is a Japanese company operating in the industrial sector. It is listed on the XTKS market.
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