Ronald T. Hundzinski

Board Director

Director

GENTHERM Inc Borgwarner Inc InfuSystem Holdings, Inc

Insider activity · 24 months2 buys0 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 2 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Companies

▲ Purchases (2 ops.)

€146k

▼ Sales (0 ops.)

—

Latest filing published 15 May 2026 for GENTHERM Inc. Read the official filing

Filing timeline

BuySale

Ronald T. Hundzinski

Insider track record

Disclosed buys

Disclosed sells

T+90 hit rate

100%

T+90 mean return

+34.3%

Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Ronald T. Hundzinski: trading record in brief

Ronald T. Hundzinski is a declared insider at 3 companies (board member); the most frequent names are GENTHERM Inc, Borgwarner Inc and InfuSystem Holdings, Inc. Between 9 February 2016 and 14 May 2026, the trades on record add up to 11 filings.

On the market, this insider has only ever bought: 2 purchases, €146k in total. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 9 share grants.

The newest entry dates from 15 May 2026: a share grant, in GENTHERM Inc. The most recent open-market purchase was published on 20 May 2025, 516 days ago. The median gap between a trade and its publication by SEC (Form 4) is 4 days. US insiders must file a Form 4 within two business days of a trade. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.