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Who

Herbert K. Parker

Director

Company insider

Files Form 4 as: Director, TriMas; Director, Apogee Enterprises; Director, nVent Electric; Director, Dauch; EVP, Operational Excellence, Harman International Industries Inc /de/; Director, TMS International.

In numbers

Trades disclosed
191
Buys
14
Sells
16
Bought
$2.2M
Sold
$24.3M
Companies
6
Companies where not an officer
5
First trade
2 Jun 2008
Last trade
30 Jun 2026
Last filed
1 Jul 2026

Companies traded

Where they are an officer
Harman International Industries Inc /de/Officer · last 10 Mar 20170 buys · 10 sells
Everywhere else they filed: board seats, 10% stakes, other companies
TRS TriMasDirector · Machinery · last 30 Jun 20268 buys · 3 sells
APOG Apogee EnterprisesDirector · Building Products & Timber · last 24 Jun 20262 buys · 2 sells
NVT nVent ElectricDirector · Machinery · last 15 May 20263 buys · 1 sell
DCH DauchDirector · Auto Parts & Dealers · last 30 Apr 20261 buy · 0 sells
TMS InternationalDirector · last 16 Oct 20130 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
30 Jun 2026filed 1 Jul 2026TRS TriMasMachinerySEC FORM 4 Sold$675K15,000 at $45.03filing
30 Jun 2026filed 1 Jul 2026TRS TriMasMachinerySEC FORM 4 Sold$675K15,000 at $45.03filing
24 Jun 2026filed 26 Jun 2026APOG Apogee EnterprisesBuilding Products & TimberSEC FORM 4 Code A$115K2,741 at $41.96filing
24 Jun 2026filed 26 Jun 2026APOG Apogee EnterprisesBuilding Products & TimberSEC FORM 4 Code A$115K2,741 at $41.96filing
15 May 2026filed 19 May 2026NVT nVent ElectricMachinerySEC FORM 4 Code A—976 at $0.00filing
15 May 2026filed 19 May 2026NVT nVent ElectricMachinerySEC FORM 4 Code F$102K602 at $169.01filing
15 May 2026filed 19 May 2026NVT nVent ElectricMachinerySEC FORM 4 Code A—976 at $0.00filing
15 May 2026filed 19 May 2026NVT nVent ElectricMachinerySEC FORM 4 Code F$102K602 at $169.01filing
30 Apr 2026filed 1 May 2026DCH DauchAuto Parts & DealersSEC FORM 4 Code A—29,773 at $0.00filing
30 Apr 2026filed 1 May 2026DCH DauchAuto Parts & DealersSEC FORM 4 Code A—29,773 at $0.00filing
14 Mar 2026filed 16 Mar 2026TRS TriMasMachinerySEC FORM 4 Code A—2,853 at $0.00filing
14 Mar 2026filed 16 Mar 2026TRS TriMasMachinerySEC FORM 4 Code A—2,853 at $0.00filing
4 Aug 2025filed 6 Aug 2025NVT nVent ElectricMachinerySEC FORM 4 Sold$1.9M20,597 at $89.88filing
25 Jun 2025filed 27 Jun 2025APOG Apogee EnterprisesBuilding Products & TimberSEC FORM 4 Code A—2,954 at $0.00filing
16 May 2025filed 19 May 2025NVT nVent ElectricMachinerySEC FORM 4 Code A—2,368 at $0.00filing
16 May 2025filed 19 May 2025NVT nVent ElectricMachinerySEC FORM 4 Code F$49K732 at $67.56filing
1 May 2025filed 2 May 2025DCH DauchAuto Parts & DealersSEC FORM 4 Code A$150K39,474 at $3.80filing
14 Mar 2025filed 18 Mar 2025TRS TriMasMachinerySEC FORM 4 Code A—4,140 at $0.00filing
28 Feb 2025filed 3 Mar 2025TRS TriMasMachinerySEC FORM 4 Bought$304K14,612 at $20.81filing
15 Aug 2024filed 15 Aug 2024NVT nVent ElectricMachinerySEC FORM 4 Bought$497K7,566 at $65.71filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Industrials15
Materials4
Consumer Discretionary1
Not placed10

Buys in green, sells in red, by the company’s sector.

Related people

Daniel P. TredwellDirector · Also traded TRS in the last 90 days
Robert J. van der KolkPresident of EMEA and APAC · Also traded NVT in the last 90 days
Beth WozniakChair & CEO · Also traded NVT in the last 90 days
Randolph A. WackerSVP & Chief Accounting Officer · Also traded NVT in the last 90 days