Li Wei

Trupanion, Inc.CStone Pharmaceuticals - B

Insider activity · 24 months1 buy0 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 1 buy · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Companies

▲ Purchases (1 ops.)

€50k

▼ Sales (0 ops.)

—

Latest filing published 16 Jun 2026 for CStone Pharmaceuticals - B, €50k.

Filing timeline

BuySale

Li Wei

Insider track record

Disclosed buys

Disclosed sells

Signal history

Closed purchases

Market purchases

Not enough history yet: 1 closed purchase, at least 2 are needed.

Purchases by company

CStone Pharmaceuticals - B 1 purchase · last 16 Jun 2026

Since each purchase

CStone Pharmaceuticals - B
Filed 16 Jun 2026 · 132 days ago · €50k
+6.8%
Entry HK$4.56 · Close 23 Oct 2026 HK$4.87

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.

Li Wei: trading record in brief

Li Wei is a declared insider at 2 companies; the most frequent names are Trupanion, Inc. and CStone Pharmaceuticals - B. We count 13 filings; the first trade dates from 25 August 2023 and the latest from 12 June 2026.

The open-market record is one-sided, with 1 purchase worth €50k and not one sale. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Other entries cover 6 share grants and 6 option exercises. Since January 2026: 1 purchase and no sales on the market.

The record was last updated on 16 June 2026 with an open-market purchase (€50k) in CStone Pharmaceuticals - B. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 4 days. Section 16 rules allow two business days to file each Form 4. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.