InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
2
T+90 hit rate
100%
T+90 mean return
+8.8%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the complete record of transactions filed by Zang Ling, Director. Director active across 2 companies, notably GENTEX CORP. In total, 9 reports have been recorded. Breakdown: 0 buy · 2 sells. Total volume traded: €564k. Activity tracked since 20 May 2021. The latest transaction was disclosed on 15 May 2025 (Attribution). Regulator: SEC (Form 4). All data is free.
Declarations9 total
5,939 shares0Common StockSEC:0001562180-25-003984:0
3,764 shares0Common StockSEC:0001562180-24-004133:0
4,716 shares0Common StockSEC:0001562180-23-004341:0
4,416 shares0Common StockSEC:0001562180-22-004419:0
3,397 shares0Common StockSEC:0001562180-22-004331:0
10,000 shares@ US$34.340.0058% mcap50.0% of flowCommon StockSEC:0001562180-21-004148:0
10,000 shares@ US$34.3450.0% of flowCommon StockSEC:0001562180-21-004148
2,845 shares0Common StockSEC:0001562180-21-003758:0
2,845 shares0Common StockSEC:0001562180-21-003758
9 of 9 declarations
About Zang Ling
Ling Zang is a Board Member at Gentex Corp. He brings significant experience in the technology sector. As a Board Member, he is responsible for overseeing operations and the strategic direction of the company.
