2 insiders bought €48.9M of shares over the last 90 days, the latest by YODOKO,Ltd., filed 07 Oct 2026.
Nakayama Steel Works, Ltd.: what insiders have been doing
Nakayama Steel Works, Ltd., classified in the Chemicals sector, is a listed company. Its insiders report their share dealings to EDINET (Japan FSA). In the past year (5 November 2025 to 5 November 2026), 6 filings came from 3 insiders.
The flow runs one way only: 2 insiders bought (2 purchases totalling €48.9M) and nobody sold on the market. Unlike grants, an open-market purchase is paid for by the insider, at the market price. On the buying side, the filings list 2 major shareholders among the declarants. At €27.6M, the purchase published on 7 October 2026 by YODOKO,Ltd. is the largest of the period (13.9% of market cap).
Compared with its exchange (3,220 companies, median 3 filings), a count of 6 filings is above the norm. Looking back to 2022, when coverage begins, insiders filed 2 purchases and 6 sales.
Within a 30-day window, 1 purchase overlapped with buying by a second insider. A cluster is several different insiders buying the same stock within a short window, a pattern studied more closely than a single purchase. The clock since the last published purchase (7 October 2026) now reads 33 days. Between a trade and the moment it shows up on EDINET (Japan FSA), the median delay is 5 days. Until a filing is published, the market cannot know about the trade.
Elsewhere in the same sector, our signals recently picked up insider purchases at Symrise AG. Every figure here comes from the filings published by EDINET (Japan FSA) and describes the past, not future prices; it is not investment advice.
Who traded when
BuySaleSince the insiders bought
- -6.3%Entry JP¥599 · Close 02 Nov 2026 JP¥561
- -7.4%Entry JP¥606 · Close 02 Nov 2026 JP¥561
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2026FY ended March 2026 · cache
- ShareXTKSEDINET:S100ZBR3
- 100.0% of flowShareXTKSEDINET:S100Z3KO
- 7,357,000 shares@ JP¥666.000113.90% mcap100.0% of flowShareXOFFEDINET:S100Z3KO:T1Canonical exit: 31 Dec 2026 (T+90)
- 100.0% of flowShareXTKSEDINET:S100Z5LR
- 5,697,000 shares@ JP¥666.000110.74% mcap100.0% of flowShareXOFFEDINET:S100Z5LR:T1Canonical exit: 31 Dec 2026 (T+90)
- 100.0% of flowShareXTKSEDINET:S100XWN3
- ShareXTKSEDINET:S100PS2M
- 100.0% of flowShareXTKSEDINET:S100PR01
- ●Unknown7EDINET2,603,400 shares17.4% of flowShareXTKSEDINET:S100N8ZV
- ▼Unknown0EDINET62,400 sharesShareXTKSEDINET:S100N8ZV:T2
- ▼Unknown0EDINET106,200 sharesShareXTKSEDINET:S100N8ZV:T4
- ▼Unknown0EDINET80,500 sharesShareXTKSEDINET:S100N8ZV:T5
- ▼Unknown0EDINET28,100 sharesShareXTKSEDINET:S100N8ZV:T1
- ▼Unknown0EDINET88,600 sharesShareXTKSEDINET:S100N8ZV:T3
- ▼Unknown0EDINET141,900 sharesShareXTKSEDINET:S100N8ZV:T6
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About Nakayama Steel Works, Ltd.
Nakayama Steel Works is a Japanese company specializing in the production of steel and metal materials. It primarily operates in the Japanese market and is listed on the Tokyo Stock Exchange.
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