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Companies
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Latest filing published 15 May 2026 for GENTHERM Inc. Read the official filing
Filing timeline
BuySaleDavid W. Heinzmann
Insider track record
Disclosed buys
0
Disclosed sells
1
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
David W. Heinzmann: trading record in brief
Filings by David W. Heinzmann span 2 companies, the busiest being Littelfuse INC /de and GENTHERM Inc. In total, 24 filings cover trades dated from 20 May 2021 to 14 May 2026.
On the market, this insider has only sold: 1 sale, €2.5M in total. Besides market trades, the filings include 15 share grants and 8 option exercises.
The record was last updated on 15 May 2026 with a share grant in GENTHERM Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. For comparison, the SEC allows two business days to file a Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Companies and markets linked to David W. Heinzmann
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations24 total
4,292 shares0Common StockSEC:0001193125-26-227268:0
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
1,273 shares@ US$242.241.9% of flowCommon StockSEC:0000889331-23-000082:0
9,708 shares0Common StockSEC:0000889331-23-000042:0
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$120.154.3% of flowCommon StockSEC:0001567619-21-020696:0
12,780 shares@ US$120.1513.0% of flowCommon StockSEC:0001567619-21-020563:0
9,867 shares@ US$294.0024.1% of flowCommon StockSEC:0001567619-21-018564:0
1,422 shares0Common StockSEC:0001209191-21-035298:0
24 of 24 declarations
