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Who

David D. Harrison

Director

Company insider

Files Form 4 as: Director, Nov; Director, Navistar International; Executive Vice President, CFO, Pentair plc.

In numbers

Trades disclosed
124
Buys
4
Sells
10
Bought
$191K
Sold
$5.3M
Companies
3
Companies where not an officer
2
First trade
3 Jan 2006
Last trade
31 Jul 2026
Last filed
31 Jul 2026

Companies traded

Where they are an officer
PNR Pentair plcOfficer · Machinery · last 28 Feb 20070 buys · 3 sells
Everywhere else they filed: board seats, 10% stakes, other companies
NOV NovDirector · Oilfield services · last 31 Jul 20262 buys · 7 sells
Navistar InternationalDirector · last 30 Sep 20122 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
31 Jul 2026filed 31 Jul 2026NOV NovOilfield servicesSEC FORM 4 Sold$184K9,594 at $19.21filing
31 Jul 2026filed 31 Jul 2026NOV NovOilfield servicesSEC FORM 4 Sold$184K9,594 at $19.21filing
20 May 2026filed 22 May 2026NOV NovOilfield servicesSEC FORM 4 Code A—9,457 at $0.00filing
20 May 2026filed 22 May 2026NOV NovOilfield servicesSEC FORM 4 Code A—9,457 at $0.00filing
20 May 2025filed 22 May 2025NOV NovOilfield servicesSEC FORM 4 Code A—15,949 at $0.00filing
20 Nov 2024filed 21 Nov 2024NOV NovOilfield servicesSEC FORM 4 Sold$29K1,784 at $16.10filing
15 May 2024filed 16 May 2024NOV NovOilfield servicesSEC FORM 4 Code A—9,550 at $0.00filing
17 May 2023filed 18 May 2023NOV NovOilfield servicesSEC FORM 4 Code A—12,000 at $0.00filing
1 Sep 2022filed 1 Sep 2022NOV NovOilfield servicesSEC FORM 4 Sold$53K3,112 at $17.01filing
24 May 2022filed 26 May 2022NOV NovOilfield servicesSEC FORM 4 Code A—8,473 at $0.00filing
19 May 2021filed 20 May 2021NOV NovOilfield servicesSEC FORM 4 Code A—9,819 at $0.00filing
20 May 2020filed 21 May 2020NOV NovOilfield servicesSEC FORM 4 Code A—12,462 at $0.00filing
28 May 2019filed 29 May 2019NOV NovOilfield servicesSEC FORM 4 Code A—8,219 at $0.00filing
11 May 2018filed 14 May 2018NOV NovOilfield servicesSEC FORM 4 Code A—4,429 at $0.00filing
17 May 2017filed 18 May 2017NOV NovOilfield servicesSEC FORM 4 Code A—5,243 at $0.00filing
18 May 2016filed 19 May 2016NOV NovOilfield servicesSEC FORM 4 Code A—5,565 at $0.00filing
9 Nov 2015filed 10 Nov 2015NOV NovOilfield servicesSEC FORM 4 Code M$533K17,352 at $30.70filing
9 Nov 2015filed 10 Nov 2015NOV NovOilfield servicesSEC FORM 4 Sold$634K16,352 at $38.79filing
9 Nov 2015filed 10 Nov 2015NOV Novoption or derivative · Oilfield servicesSEC FORM 4 Code M—17,352 at $0.00filing
13 May 2015filed 14 May 2015NOV NovOilfield servicesSEC FORM 4 Code A—3,374 at $0.00filing

News

Head-To-Head Comparison: NOV (NYSE:NOV) and Borr Drilling (NYSE:BORR)NOV · themarketsdaily.com · 19 Oct 2026

0 headlines in the last 90 days name David D. Harrison; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Energy9
Industrials3
Not placed2

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

Related people

Louis Pinkham VDirector · Director at Pentair, filing Form 4 there in the last year
Robert P. FishmanInterim EVP and CFO · Interim EVP and CFO at Pentair, filing Form 4 there in the last year
Jennifer M. HensleySVP, CAO & Controller · SVP, CAO & Controller at Pentair, filing Form 4 there in the last year
Heather M. HausmannEVP, CIO and CISO · EVP, CIO and CISO at Pentair, filing Form 4 there in the last year
Nicholas J. BrazisExecutive Vice President, CFO · Executive Vice President, CFO at Pentair, filing Form 4 there in the last year