InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (9 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
9
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the complete record of transactions filed by Zhang Shuo. Director active across 2 companies, notably Grid Dynamics Holdings, INC.. Cumulatively, 21 reports have been recorded. Breakdown: 0 buy · 9 sells. Total volume traded: €1.2m. Activity tracked since 8 September 2021. The latest transaction was disclosed on 12 August 2026 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Zhang Shuo
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations21 total
1,501 shares@ US$51.470.0037% mcap10.3% of flowCommon StockSEC:0001437749-26-027449:0
5,134 shares0Common StockSEC:0001628280-26-055376:0
11,413 shares0Common StockSEC:0000899140-25-001477:0
3,000 shares@ US$9.753.9% of flowCommon StockSEC:0000899140-25-001445:0
7,429 sharesCommon StockSEC:0001437749-25-021964:0
3,672 shares@ US$20.426.3% of flowCommon StockSEC:0000899140-24-001401:0
4,382 sharesCommon StockSEC:0001415889-24-018716:0
4,000 shares@ US$9.34123.0% of flowCommon StockSEC:0001415889-24-015661:0
5,500 shares@ US$34.6629.9% of flowCommon StockSEC:0001415889-24-015448:0
5,559 shares0Common StockSEC:0001209191-23-059736:0
3,047 shares@ US$33.7516.2% of flowCommon StockSEC:0001415889-23-012446:0
3,354 sharesCommon StockSEC:0001415889-23-010698:0
6,811 shares0Common StockSEC:0001209191-22-062737:0
2,000 shares@ US$29.849.9% of flowCommon StockSEC:0001415889-22-011486:0
7,212 sharesCommon StockSEC:0001415889-22-007428:0
11,017 shares@ US$25.5044.0% of flowCommon StockSEC:0001415889-22-003093:0
2,050 shares0Common StockSEC:0001209191-21-070927:0
7,000 shares@ US$39.379537.8% of flowCommon StockSEC:0001209191-21-067357:0
402 shares@ US$10.190.5% of flowCommon StockSEC:0001209191-21-061003:0
10,000 shares@ US$31.628641.4% of flowCommon StockSEC:0001209191-21-055325:0
4,688 sharesCommon StockSEC:0001104659-21-088946:0
21 of 21 declarations
About Zhang Shuo
Zhang Shuo is a declarant linked to Grid Dynamics Holdings, INC. and PDF Solutions INC, where he is a Director. He has 12 filings in total, and across the sampled recent filings from 2021-07-02 to 2025-12-29, the activity consists of 827593 EUR of sales, with the modal transaction nature indicated as Attribution.
