InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (6 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
6
T+90 hit rate
33%
T+90 mean return
-20.4%
Across 6 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Zhang Shuo. Director active across 2 companies, notably Grid Dynamics Holdings, INC.. Cumulatively, 15 reports have been recorded. Breakdown: 0 buy · 6 sells. Total volume traded: €1.3m. Activity tracked since 8 September 2021. The latest transaction was disclosed on 23 December 2024 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations15 total
3,672 shares@ US$20.426.3% of flowCommon StockSEC:0000899140-24-001401:0
4,000 shares@ US$9.34123.0% of flowCommon StockSEC:0001415889-24-015661:0
5,559 shares0Common StockSEC:0001209191-23-059736:0
6,811 shares0Common StockSEC:0001209191-22-062737:0
11,017 shares@ US$25.500.023% mcap100.0% of flowCommon StockSEC:0001415889-22-003093:0
2,050 shares0Common StockSEC:0001209191-21-070927:0
2,050 shares0Common StockSEC:0001209191-21-070927
7,000 shares@ US$39.379521.5% of flowCommon StockSEC:0001209191-21-067357
7,000 shares@ US$39.37950.043% mcap23.7% of flowCommon StockSEC:0001209191-21-067357:0
402 shares@ US$10.190.0006% mcap0.3% of flowCommon StockSEC:0001209191-21-061003:0
402 shares@ US$10.190.3% of flowCommon StockSEC:0001209191-21-061003
10,000 shares@ US$31.62860.048% mcap26.0% of flowCommon StockSEC:0001209191-21-055325:0
10,000 shares@ US$31.628623.5% of flowCommon StockSEC:0001209191-21-055325
4,688 sharesCommon StockSEC:0001104659-21-088946
4,688 sharesCommon StockSEC:0001104659-21-088946:0
15 of 15 declarations
About Zhang Shuo
Zhang Shuo is a director at PDF Solutions INC and also involved with Grid Dynamics Holdings, INC.
