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Hangzhou GreatStar Industrial Co., Ltd. Stock: price and insider trades · Switzerland
No insider purchase over the last 90 days. The latest was filed 01 Jul 2026.
Hangzhou GreatStar Industrial Co., Ltd.: what insiders have been doing
Hangzhou GreatStar Industrial Co., Ltd. is a Industrials company. Its directors and officers file their transactions with SIX SER. From 18 October 2025 to 18 October 2026, the disclosure feed for Hangzhou GreatStar Industrial Co., Ltd. logged 6 filings by 2 insiders.
The flow runs one way only: 2 insiders bought (6 purchases totalling €275.2M) and nobody sold on the market. Unlike grants, an open-market purchase is paid for by the insider, at the market price. One trade stands out by size: a purchase of €136.8M, disclosed on 1 July 2026, or 0.36% of market capitalisation. Those buying include 2 senior executives.
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 (1 July 2026) now reads 108 days. Half of the filings or more reach the SIX SER feed on the day of the trade. Until a filing is published, the market cannot know about the trade.
Compared with its exchange (178 companies, median 9 filings), a count of 6 filings is below the norm. Our records for Hangzhou GreatStar Industrial Co., Ltd. go back to 2025, with 6 purchases and 2 sales on the open market in total.
Other companies in the same sector with recent insider buying flagged by our signals: Tennant Co and Butler National Corp. Source: insider filings from SIX SER. Past trades are no guide to future returns.
Insider Decl.
8
Thresholds
n/a
Buy Volume
€275M
6 ops. · all time
Sell Volume
€1M
2 ops. · all time
Who traded when
BuySaleAnonymous (Executive member of the board of directors / member of senior management)5 buys2 sales
Anonymous (an executive member of the board of directors / member of senior management)1 buy
Since the insiders bought
- Anonymous (an executive member of the board of directors / member of senior management)-10.1%Entry 33.20 · Close at T+30 29.85
- Anonymous (Executive member of the board of directors / member of senior management)-7.3%Entry 32.20 · Close at T+30 29.85
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.
Financial data
· cache
Last declaration on 1 July 2026
Declarations8 total
▲
Anonymous (an executive member of the board of directors / member of senior management)
3,500,000 shares@ CHF 36.090.36% mcap100.0% of flowSIX:https://www.ser-ag.com/en/resources/notifications-market-participants/management-transactions.html#/transaction-details/T1Q7100027
Canonical exit: 29 Sept 2026 (T+90)
▲
Anonymous (Executive member of the board of directors / member of senior management)
3,500,000 shares@ CHF 36.093398.0% of flowISIN CNE100000RC5SIX:T1Q7100027
Canonical exit: 29 Sept 2026 (T+90)
▲
Anonymous (Executive member of the board of directors / member of senior management)
100,000 shares@ CHF 3.91970.3% of flowISIN CNE100000RC5SIX:T1PC400072
Canonical exit: 4 Mar 2026 (T+90)
▲
Anonymous (Executive member of the board of directors / member of senior management)
100,000 shares@ CHF 3.80770.3% of flowISIN CNE100000RC5SIX:T1PC3000D7
Canonical exit: 3 Mar 2026 (T+90)
▲
Anonymous (Executive member of the board of directors / member of senior management)
100,000 shares@ CHF 3.65050.3% of flowISIN CNE100000RC5SIX:T1PC200068
Canonical exit: 2 Mar 2026 (T+90)
▲
Anonymous (Executive member of the board of directors / member of senior management)
100,000 shares@ CHF 3.57470.3% of flowISIN CNE100000RC5SIX:T1PC1000D9
Canonical exit: 1 Mar 2026 (T+90)
▼
Anonymous (Executive member of the board of directors / member of senior management)
169,000 shares@ CHF 3.6640.5% of flowISIN CNE100000RC5SIX:T1P7T000A1
▼
Anonymous (Executive member of the board of directors / member of senior management)
130,000 shares@ CHF 3.70360.4% of flowISIN CNE100000RC5SIX:T1P7T00094
8 of 8 declarations
About Hangzhou GreatStar Industrial Co., Ltd.
Hangzhou GreatStar Industrial Co., Ltd. is a company specializing in the manufacturing of industrial tools and equipment. It is listed on the XSWX stock exchange.
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