InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
2
T+90 hit rate
75%
T+90 mean return
+3.3%
Across 8 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 Tsien Matthew, Chairman & CEO. Officer active across 3 companies, notably General Motors Co. Aggregated, 21 filings have been logged. Breakdown: 0 buy · 2 sells. Total volume traded: €1.8m. History available since 7 June 2021. The latest transaction was disclosed on 14 July 2025 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations21 total
447 shares0CommonSEC:0001225208-25-006655:0
2,157 shares0Common StockSEC:0001628280-25-020321:0
1,572 shares0Common StockSEC:0001628280-24-019373:0
1,341 shares0Common StockSEC:0001209191-23-026254:0
1,296 shares0Common StockSEC:0001209191-22-026445:0
154,752 shares@ US$31.3240.9% of flowCommon StockSEC:0001467858-21-000129
154,752 shares@ US$31.320.0059% mcap40.9% of flowCommon StockSEC:0001467858-21-000129:0
16,989 shares@ US$63.950.0013% mcap9.1% of flowCommon StockSEC:0001467858-21-000125:0
16,989 shares@ US$63.959.1% of flowCommon StockSEC:0001467858-21-000125
3,651 sharesCommon StockSEC:0001467858-16-000281:0
1,519 sharesCommon StockSEC:0001467858-16-000281:1
8,098 sharesCommon StockSEC:0001467858-16-000281:2
3,369 sharesCommon StockSEC:0001467858-16-000281:3
1,760 sharesCommon StockSEC:0001467858-16-000281:4
733 sharesCommon StockSEC:0001467858-16-000281:5
98 sharesCommon StockSEC:0001467858-16-000228:0
57 sharesCommon StockSEC:0001467858-16-000228:1
41 sharesCommon StockSEC:0001467858-16-000228:2
141 sharesCommon StockSEC:0001467858-16-000228:3
82 sharesCommon StockSEC:0001467858-16-000228:4
59 sharesCommon StockSEC:0001467858-16-000228:5
21 of 21 declarations
About Tsien Matthew
Matthew Tsien is the Chairman & CEO of General Motors Co and AGCO Corp. He leads the operations and strategies of these major companies in the automotive and agricultural industries. His experience in the sector contributes to innovation and growth in these firms.
