Sarah Tomolonius

Insider

First SEC filing: Sept. 26, 2016 · Latest: Feb. 12, 2025

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

QRHC buying Nov. 30, 2017

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 31 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

31 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 13, 2026	QRHC	A	28,767	$1.46	$42,000	81,600 Direct	+54.45%	Acquired	2.5% (price as of 2026-08-19)
July 31, 2026	QRHC	A	2,755	$1.27	$3,499	52,833 Direct	+5.50%	Acquired	17.8% (price as of 2026-08-19)
June 30, 2026	QRHC	A	2,777	$1.26	$3,499	50,078 Direct	+5.87%	Acquired	18.7% (price as of 2026-08-19)
May 31, 2026	QRHC	A	2,966	$1.18	$3,500	46,676 Direct	+6.79%	Acquired	26.8% (price as of 2026-08-19)
Feb. 28, 2026	QRHC	A	1,988	$1.76	$3,499	43,710 Direct	+4.76%	Acquired	-15.0% (price as of 2026-08-19)
Jan. 31, 2026	QRHC	A	1,627	$2.15	$3,498	41,722 Direct	+4.06%	Acquired	-30.4% (price as of 2026-08-19)
Dec. 31, 2025	QRHC	A	1,881	$1.86	$3,499	40,095 Direct	+4.92%	Acquired	-19.6% (price as of 2026-08-19)
Nov. 30, 2025	QRHC	A	1,861	$1.88	$3,499	38,214 Direct	+5.12%	Acquired	-20.4% (price as of 2026-08-19)
Oct. 31, 2025	QRHC	A	2,302	$1.52	$3,499	36,353 Direct	+6.76%	Acquired	-1.6% (price as of 2026-08-19)
Sept. 30, 2025	QRHC	A	2,243	$1.56	$3,499	34,051 Direct	+7.05%	Acquired	-4.1% (price as of 2026-08-19)
Aug. 31, 2025	QRHC	A	1,871	$1.87	$3,499	31,808 Direct	+6.25%	Acquired	-20.0% (price as of 2026-08-19)
Aug. 13, 2025	QRHC	A	20,000	—	—	44,335 Direct	+82.19%	Acquired	(price as of 2026-08-19)
Aug. 12, 2025	QRHC	M	10,409	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Aug. 12, 2025	QRHC	M	10,409	—	—	24,335 Direct	+74.75%	Acquired	(price as of 2026-08-19)
July 31, 2025	QRHC	A	1,741	$2.01	$3,499	29,937 Direct	+6.17%	Acquired	-25.6% (price as of 2026-08-19)
June 30, 2025	QRHC	A	1,732	$2.02	$3,499	28,196 Direct	+6.54%	Acquired	-25.9% (price as of 2026-08-19)
May 31, 2025	QRHC	A	1,590	$2.20	$3,498	26,464 Direct	+6.39%	Acquired	-32.0% (price as of 2026-08-19)
April 30, 2025	QRHC	A	1,483	$2.36	$3,500	24,874 Direct	+6.34%	Acquired	-36.6% (price as of 2026-08-19)
March 31, 2025	QRHC	A	1,893	$2.60	$4,922	23,391 Direct	+8.81%	Acquired	-42.5% (price as of 2026-08-19)
Feb. 28, 2025	QRHC	A	765	$4.57	$3,496	21,498 Direct	+3.69%	Acquired	-67.3% (price as of 2026-08-19)
Jan. 31, 2025	QRHC	A	598	$5.85	$3,498	15,598 Direct	+3.99%	Acquired	-74.4% (price as of 2026-08-19)
Aug. 16, 2024	QRHC	M	10,176	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Aug. 16, 2024	QRHC	M	10,176	—	—	13,926 Direct	+271.36%	Acquired	(price as of 2026-08-19)
Aug. 12, 2024	QRHC	A	10,409	—	—	10,409 Direct	—	Acquired	(price as of 2026-08-19)
Aug. 16, 2023	QRHC	A	10,176	—	—	10,176 Direct	—	Acquired	(price as of 2026-08-19)
June 30, 2022	QRHC	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-19)
May 20, 2021	QRHC	A	15,000	$4.23	$63,450	15,000 Direct	—	Acquired	-64.6% (price as of 2026-08-19)
May 18, 2020	QRHC	A	37,915	—	—	37,915 Direct	—	Acquired	(price as of 2026-08-19)
April 29, 2019	QRHC	A	47,500	—	—	47,500 Direct	—	Acquired	(price as of 2026-08-19)
April 29, 2019	QRHC	A	15,735	—	—	15,735 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 30, 2017	QRHC	P	3,750	$2.03	$7,612	3,750 Direct	—	Acquired	-26.3% (price as of 2026-08-19)
Sept. 22, 2016	QRHC	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 12, 2025	QRHC	Restricted Stock Units	Common Stock (10,409)	—	—	10,409	Disposed
Aug. 16, 2024	QRHC	Restricted Stock Units	Common Stock (10,176)	—	—	10,176	Disposed
Aug. 12, 2024	QRHC	Restricted Stock Unit	Common Stock (10,409)	—	—	10,409	Acquired
Aug. 16, 2023	QRHC	Restricted Stock Unit	Common Stock (10,176)	—	—	10,176	Acquired
June 30, 2022	QRHC	Stock Option (Right to Buy)	Common Stock (25,000)	$4.09	June 30, 2032	25,000	Acquired
May 18, 2020	QRHC	Stock Option (right to buy)	Common Stock (37,915)	$1.48	May 18, 2030	37,915	Acquired
April 29, 2019	QRHC	Director Stock Option (Right to Buy)	Common Stock (47,500)	$3.12	April 29, 2026	47,500	Acquired
April 29, 2019	QRHC	Director Stock Option (Right to Buy)	Common Stock (15,735)	$2.11	April 29, 2029	15,735	Acquired
Sept. 22, 2016	QRHC	Director Stock Option (Right to Buy)	Common Stock (12,500)	$2.15	Sept. 22, 2026	12,500	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Sept. 26, 2016	QRHC	No securities are beneficially owned.	0	Direct