InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
2
T+90 hit rate
50%
T+90 mean return
-2.0%
Across 18 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by HEINZMANN DAVID W, Chairman & CEO. Insider active across 2 companies, notably GENTHERM Inc. In total, 29 disclosures have been published. Breakdown: 0 buy · 2 sells. Total volume traded: €5m. Activity tracked since 20 May 2021. The latest transaction was filed on 14 May 2026 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations29 total
4,292 shares0Common StockSEC:0001193125-26-227268:0
4,292 shares0Common StockSEC:0001193125-26-227268
5,075 shares0Common StockSEC:0000950170-25-068121:0
2,091 shares@ US$192.592.5% of flowCommon StockSEC:0000889331-24-000167:0
8,715 shares@ US$192.5910.3% of flowCommon StockSEC:0000889331-24-000165:0
3,786 shares@ US$192.594.6% of flowCommon StockSEC:0000889331-24-000163:0
11 shares@ US$192.590.0% of flowCommon StockSEC:0000889331-24-000156:0
8,158 shares@ US$192.599.8% of flowCommon StockSEC:0000889331-24-000154:0
2,662 shares0Common StockSEC:0000950170-24-062465:0
1,434 shares@ US$231.642.1% of flowCommon StockSEC:0000889331-24-000102:0
10,917 shares0Common StockSEC:0000889331-24-000066:0
712 shares@ US$228.841.0% of flowCommon StockSEC:0000889331-24-000048:0
2,147 shares0Common StockSEC:0001209191-23-031439:0
9,708 shares0Common StockSEC:0000889331-23-000042:0
1,273 shares@ US$242.241.9% of flowCommon StockSEC:0000889331-23-000082:0
960 shares@ US$245.701.5% of flowCommon StockSEC:0000889331-23-000024:0
4,801 shares@ US$154.154.7% of flowCommon StockSEC:0001567619-23-003174:0
1,700 shares0Common StockSEC:0001209191-22-034449:0
8,619 shares0Common StockSEC:0001567619-22-009246:0
1,123 shares@ US$224.380.0021% mcap2.6% of flowCommon StockSEC:0001567619-22-009090:0
960 shares@ US$231.510.0018% mcap2.3% of flowCommon StockSEC:0001567619-22-008968:0
4,224 shares@ US$120.153.0% of flowCommon StockSEC:0001567619-21-020696
4,224 shares@ US$120.150.0040% mcap5.0% of flowCommon StockSEC:0001567619-21-020696:0
12,780 shares@ US$120.150.012% mcap14.9% of flowCommon StockSEC:0001567619-21-020563:0
12,780 shares@ US$120.159.2% of flowCommon StockSEC:0001567619-21-020563
25 of 29 declarations
About HEINZMANN DAVID W
David W. Heinzmann is Chairman and CEO of GENTHERM Inc and LITTELFUSE INC /DE. He leads the operations of these companies and is responsible for implementing the overall strategy. His leadership is essential for achieving financial and operational goals. David is committed to fostering a corporate culture focused on innovation and excellence.
