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Who

Sarah Tomolonius

Director

Company insider

Files Form 4 as: Director, Quest Resource Holding.

In numbers

Trades disclosed
54
Buys
1
Sells
0
Bought
$7,613
Sold
$0
Companies
1
Companies where not an officer
1
First trade
22 Sep 2016
Last trade
30 Sep 2026
Last filed
2 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
QRHC Quest Resource HoldingDirector · Waste & Environmental · last 30 Sep 20261 buy · 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 Sep 2026filed 2 Oct 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4992,573 at $1.36filing
31 Aug 2026filed 2 Sep 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,5002,500 at $1.40filing
31 Aug 2026filed 2 Sep 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,5002,500 at $1.40filing
13 Aug 2026filed 17 Aug 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$42K28,767 at $1.46filing
13 Aug 2026filed 17 Aug 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$42K28,767 at $1.46filing
31 Jul 2026filed 4 Aug 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4992,755 at $1.27filing
31 Jul 2026filed 4 Aug 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4992,755 at $1.27filing
30 Jun 2026filed 2 Jul 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4992,777 at $1.26filing
30 Jun 2026filed 2 Jul 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4992,777 at $1.26filing
31 May 2026filed 2 Jun 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,5002,966 at $1.18filing
31 May 2026filed 2 Jun 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,5002,966 at $1.18filing
28 Feb 2026filed 3 Mar 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4991,988 at $1.76filing
28 Feb 2026filed 3 Mar 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4991,988 at $1.76filing
31 Jan 2026filed 3 Feb 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4981,627 at $2.15filing
31 Jan 2026filed 3 Feb 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4981,627 at $2.15filing
31 Dec 2025filed 5 Jan 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4991,881 at $1.86filing
31 Dec 2025filed 5 Jan 2026QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4991,881 at $1.86filing
30 Nov 2025filed 2 Dec 2025QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4991,861 at $1.88filing
31 Oct 2025filed 4 Nov 2025QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4992,302 at $1.52filing
30 Sep 2025filed 1 Oct 2025QRHC Quest Resource HoldingWaste & EnvironmentalSEC FORM 4 Code A$3,4992,243 at $1.56filing

News

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

Sectors

Industrials1

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

Related people

Daniel M. FriedbergDirector and 10% owner · Director and 10% owner at Quest Resource Holding, filing Form 4 there in the last year
Audrey DunningDirector · Director at Quest Resource Holding, filing Form 4 there in the last year
Glenn CulpepperDirector · Director at Quest Resource Holding, filing Form 4 there in the last year
Stephen A. NolanDirector · Director at Quest Resource Holding, filing Form 4 there in the last year
Robert J. LipsteinDirector · Director at Quest Resource Holding, filing Form 4 there in the last year