Kimberly Ann Box

Insider

First SEC filing: June 4, 2026 · Latest: June 4, 2026

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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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 23 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

23 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 2, 2026	CBUS	A	77,586	$1.39	$107,845	—	—	—	20.0% (price as of 2026-08-20)
Aug. 6, 2025	MGRC	S	1,500	$118.50	$177,750	7,000 Direct	-17.65%	Disposed	-1.6% (price as of 2026-08-20)
April 1, 2025	MGRC	M	1,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 1, 2025	MGRC	M	1,000	—	—	8,500 Direct	+13.33%	Acquired	(price as of 2026-08-20)
Feb. 27, 2025	MGRC	S	1,000	$124.69	$124,690	7,500 Direct	-11.76%	Disposed	-6.5% (price as of 2026-08-20)
Feb. 21, 2025	MGRC	A	1,000	—	—	8,500 Direct	+13.33%	Acquired	(price as of 2026-08-20)
Nov. 1, 2024	MGRC	S	1,000	$114.62	$114,620	7,500 Direct	-11.76%	Disposed	1.8% (price as of 2026-08-20)
April 1, 2024	MGRC	M	1,200	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 1, 2024	MGRC	M	1,200	—	—	8,500 Direct	+16.44%	Acquired	(price as of 2026-08-20)
Feb. 23, 2024	MGRC	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
April 3, 2023	MGRC	M	1,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 3, 2023	MGRC	M	1,500	—	—	7,300 Direct	+25.86%	Acquired	(price as of 2026-08-20)
Feb. 28, 2023	MGRC	S	500	$103.39	$51,695	5,800 Direct	-7.94%	Disposed	12.8% (price as of 2026-08-20)
Feb. 24, 2023	MGRC	A	1,200	—	—	1,200 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2022	MGRC	M	1,500	—	—	6,300 Direct	+31.25%	Acquired	(price as of 2026-08-20)
April 1, 2022	MGRC	M	1,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 25, 2022	MGRC	A	1,500	—	—	1,500 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2021	MGRC	M	1,700	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 1, 2021	MGRC	M	1,700	—	—	4,800 Direct	+54.84%	Acquired	(price as of 2026-08-20)
Feb. 25, 2021	MGRC	A	1,500	—	—	1,500 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2020	MGRC	M	2,000	—	—	3,100 Direct	+181.82%	Acquired	(price as of 2026-08-20)
April 1, 2020	MGRC	M	2,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 27, 2020	MGRC	A	1,700	—	—	1,700 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2019	MGRC	M	1,100	—	—	1,100 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2019	MGRC	M	1,100	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 28, 2019	MGRC	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-20)
July 23, 2018	MGRC	A	1,100	—	—	1,100 Direct	—	Acquired	(price as of 2026-08-20)

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
April 1, 2025	MGRC	Restricted Stock Unit	Common Stock (1,000)	$0.00	Feb. 24, 2031	1,000	Disposed
April 1, 2024	MGRC	Restricted Stock Unit	Common Stock (1,200)	$0.00	Feb. 24, 2030	1,200	Disposed
Feb. 23, 2024	MGRC	Restricted Stock Unit	Common Stock (1,000)	$0.00	Feb. 23, 2031	1,000	Acquired
April 3, 2023	MGRC	Restricted Stock Unit	Common Stock (1,500)	$0.00	Feb. 25, 2029	1,500	Disposed
Feb. 24, 2023	MGRC	Restricted Stock Unit	Common Stock (1,200)	$0.00	Feb. 24, 2030	1,200	Acquired
April 1, 2022	MGRC	Restricted Stock Unit	Common Stock (1,500)	$0.00	Feb. 25, 2028	1,500	Disposed
Feb. 25, 2022	MGRC	Restricted Stock Unit	Common Stock (1,500)	$0.00	Feb. 25, 2029	1,500	Acquired
April 1, 2021	MGRC	Restricted Stock Unit	Common Stock (1,700)	$0.00	Feb. 27, 2027	1,700	Disposed
Feb. 25, 2021	MGRC	Restricted Stock Units	Common Stock (1,500)	$0.00	Feb. 25, 2028	1,500	Acquired
April 1, 2020	MGRC	Restricted Stock Units	Common Stock (2,000)	$0.00	Feb. 28, 2026	2,000	Disposed
Feb. 27, 2020	MGRC	Restricted Stock Units	Common Stock (1,700)	$0.00	Feb. 27, 2027	1,700	Acquired
April 1, 2019	MGRC	Restricted Stock Units	Common Stock (1,100)	$0.00	July 23, 2025	1,100	Disposed
Feb. 28, 2019	MGRC	Restricted Stock Units	Common Stock (2,000)	$0.00	Feb. 28, 2026	2,000	Acquired
July 23, 2018	MGRC	Restricted Stock Units	Common Stock (1,100)	$0.00	July 23, 2025	1,100	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, 2025	CBUS	Class A Common Stock	0	Direct