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Who

Thomas W. Hill

Director

Company insider

Files Form 4 as: Director, Knife Riv Holding Co; President & CEO, Summit Materials; Director, Astec Industries.

In numbers

Trades disclosed
213
Buys
2
Sells
111
Bought
$688K
Sold
$42.0M
Companies
3
Companies where not an officer
2
First trade
24 Jul 2008
Last trade
20 May 2026
Last filed
21 May 2026

Companies traded

Where they are an officer
Summit MaterialsDirector, Officer · last 20 Jul 20202 buys · 111 sells
Everywhere else they filed: board seats, 10% stakes, other companies
KNF Knife Riv Holding CoDirector · Diversified & Base Metal Miners · last 20 May 20260 buys · 0 sells
ASTE Astec IndustriesDirector · Machinery · last 27 Jul 20090 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
20 May 2026filed 21 May 2026KNF Knife Riv Holding CoDiversified & Base Metal MinersSEC FORM 4 Code A—2,040 at $0.00filing
20 May 2026filed 21 May 2026KNF Knife Riv Holding CoDiversified & Base Metal MinersSEC FORM 4 Code A—2,040 at $0.00filing
22 May 2025filed 27 May 2025KNF Knife Riv Holding CoDiversified & Base Metal MinersSEC FORM 4 Code A—1,551 at $0.00filing
15 May 2024filed 16 May 2024KNF Knife Riv Holding CoDiversified & Base Metal MinersSEC FORM 4 Code A—1,905 at $0.00filing
20 Jul 2020filed 22 Jul 2020Summit Materialsoption or derivativeSEC FORM 4 Code A—150,916 at $0.00filing
17 Jun 2020filed 22 Jul 2020Summit Materialsoption or derivativeSEC FORM 4 Code G—200,000 at $0.00filing
17 Jun 2020filed 22 Jul 2020Summit Materialsoption or derivativeSEC FORM 4 Code G—200,000 at $0.00filing
28 Feb 2020filed 3 Mar 2020Summit MaterialsSEC FORM 4 Code M—10,252filing
28 Feb 2020filed 3 Mar 2020Summit MaterialsSEC FORM 4 Code M—17,252filing
28 Feb 2020filed 3 Mar 2020Summit MaterialsSEC FORM 4 Code M—35,179filing
28 Feb 2020filed 3 Mar 2020Summit MaterialsSEC FORM 4 Code A—20,829 at $0.00filing
28 Feb 2020filed 3 Mar 2020Summit MaterialsSEC FORM 4 Code F$397K20,314 at $19.54filing
28 Feb 2020filed 3 Mar 2020Summit Materialsoption or derivativeSEC FORM 4 Code M—10,252 at $0.00filing
28 Feb 2020filed 3 Mar 2020Summit Materialsoption or derivativeSEC FORM 4 Code M—17,252 at $0.00filing
28 Feb 2020filed 3 Mar 2020Summit Materialsoption or derivativeSEC FORM 4 Code M—35,179 at $0.00filing
28 Feb 2020filed 3 Mar 2020Summit Materialsoption or derivativeSEC FORM 4 Code A—69,231 at $0.00filing
28 Feb 2019filed 4 Mar 2019Summit Materialsoption or derivativeSEC FORM 4 Code M—10,252 at $0.00filing
28 Feb 2019filed 4 Mar 2019Summit Materialsoption or derivativeSEC FORM 4 Code M—17,252 at $0.00filing
28 Feb 2019filed 4 Mar 2019Summit Materialsoption or derivativeSEC FORM 4 Code A—105,537 at $0.00filing
28 Feb 2019filed 4 Mar 2019Summit MaterialsSEC FORM 4 Code M—10,252filing

News

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

Sectors

Not placed113

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

Related people

Nobody else traded the same names lately.