Dennis B Maier

Insider

First SEC filing: May 19, 2021 · Latest: June 8, 2023

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

AORT selling June 6, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 39 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

39 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 6, 2023	AORT	S	378	$15.34	$5,799	34,724 Direct	-1.08%	Disposed	83.1% (price as of 2026-08-21)
June 6, 2023	AORT	S	15,876	$15.27	$242,427	35,102 Direct	-31.14%	Disposed	84.0% (price as of 2026-08-21)
March 2, 2023	AORT	S	1,121	$13.41	$15,033	50,978 Direct	-2.15%	Disposed	109.5% (price as of 2026-08-21)
March 1, 2023	AORT	A	3,663	—	—	52,099 Direct	+7.56%	Acquired	(price as of 2026-08-21)
Feb. 27, 2023	AORT	S	982	$12.94	$12,707	48,436 Direct	-1.99%	Disposed	117.1% (price as of 2026-08-21)
Feb. 27, 2023	AORT	S	1,348	$12.94	$17,443	43,100 Direct	-3.03%	Disposed	117.1% (price as of 2026-08-21)
Feb. 23, 2023	AORT	A	6,318	—	—	49,418 Direct	+14.66%	Acquired	(price as of 2026-08-21)
Feb. 23, 2023	AORT	A	3,770	—	—	44,448 Direct	+9.27%	Acquired	(price as of 2026-08-21)
Feb. 19, 2023	AORT	F	282	$13.96	$3,937	40,678 Direct	-0.69%	Disposed	101.2% (price as of 2026-08-21)
Feb. 19, 2023	AORT	F	1,125	$13.96	$15,705	40,960 Direct	-2.67%	Disposed	101.2% (price as of 2026-08-21)
Feb. 17, 2023	AORT	F	380	$13.96	$5,305	42,085 Direct	-0.89%	Disposed	101.2% (price as of 2026-08-21)
Nov. 8, 2022	AORT	A	46,630	—	—	46,630 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 8, 2022	AORT	A	19,447	—	—	42,254 Direct	+85.27%	Acquired	(price as of 2026-08-21)
Aug. 9, 2022	AORT	S	1,025	$21.61	$22,150	22,807 Direct	-4.30%	Disposed	30.0% (price as of 2026-08-21)
Aug. 9, 2022	AORT	S	374	$21.61	$8,082	23,832 Direct	-1.55%	Disposed	30.0% (price as of 2026-08-21)
Aug. 9, 2022	AORT	S	540	$21.61	$11,669	24,206 Direct	-2.18%	Disposed	30.0% (price as of 2026-08-21)
Aug. 9, 2022	AORT	S	3,678	$21.61	$79,482	24,746 Direct	-12.94%	Disposed	30.0% (price as of 2026-08-21)
Aug. 9, 2022	AORT	S	145	$21.66	$3,141	28,424 Direct	-0.51%	Disposed	29.7% (price as of 2026-08-21)
March 5, 2022	AORT	F	170	$21.69	$3,687	28,569 Direct	-0.59%	Disposed	29.5% (price as of 2026-08-21)
March 5, 2022	AORT	F	920	$21.69	$19,955	28,739 Direct	-3.10%	Disposed	29.5% (price as of 2026-08-21)
Feb. 23, 2022	AORT	A	18,972	—	—	18,972 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 23, 2022	AORT	A	7,140	—	—	29,659 Direct	+31.71%	Acquired	(price as of 2026-08-21)
Feb. 19, 2022	AORT	F	282	$17.75	$5,006	22,519 Direct	-1.24%	Disposed	58.3% (price as of 2026-08-21)
Feb. 17, 2022	AORT	F	703	$17.50	$12,302	22,801 Direct	-2.99%	Disposed	60.5% (price as of 2026-08-21)
Feb. 17, 2022	AORT	A	1,985	—	—	23,504 Direct	+9.22%	Acquired	(price as of 2026-08-21)
Feb. 17, 2022	AORT	F	760	$17.50	$13,300	21,519 Direct	-3.41%	Disposed	60.5% (price as of 2026-08-21)
Feb. 17, 2022	AORT	A	4,290	—	—	22,279 Direct	+23.85%	Acquired	(price as of 2026-08-21)
Aug. 23, 2021	AORT	S	2,715	$25.64	$69,613	17,677 Direct	-13.31%	Disposed	9.6% (price as of 2026-08-21)
April 30, 2021	AORT	M	3,314	$21.55	$71,417	0 Direct	-100.00%	Disposed	30.4% (price as of 2026-08-21)
April 30, 2021	AORT	S 10b5-1	3,314	$28.00	$92,792	20,392 Direct	-13.98%	Disposed	0.3% (price as of 2026-08-21)
April 30, 2021	AORT	M	3,314	$21.55	$71,417	23,706 Direct	+16.25%	Acquired	30.4% (price as of 2026-08-21)
April 30, 2021	AORT	S 10b5-1	547	$28.00	$15,316	20,392 Direct	-2.61%	Disposed	0.3% (price as of 2026-08-21)
March 12, 2021	AORT	F	233	$25.05	$5,837	20,939 Direct	-1.10%	Disposed	12.2% (price as of 2026-08-21)
March 12, 2021	AORT	F	1,152	$25.05	$28,858	21,172 Direct	-5.16%	Disposed	12.2% (price as of 2026-08-21)
March 5, 2021	AORT	F	205	$24.44	$5,010	22,324 Direct	-0.91%	Disposed	15.0% (price as of 2026-08-21)
Feb. 23, 2021	AORT	F	563	$25.41	$14,306	22,529 Direct	-2.44%	Disposed	10.6% (price as of 2026-08-21)
Feb. 23, 2021	AORT	A	3,176	—	—	23,092 Direct	+15.95%	Acquired	(price as of 2026-08-21)
Feb. 17, 2021	AORT	A	11,017	—	—	11,017 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 17, 2021	AORT	M	6,630	$21.55	$142,876	0 Direct	-100.00%	Disposed	30.4% (price as of 2026-08-21)
Feb. 17, 2021	AORT	A	3,902	—	—	19,916 Direct	+24.37%	Acquired	(price as of 2026-08-21)
Feb. 17, 2021	AORT	S	567	$24.64	$13,971	16,014 Direct	-3.42%	Disposed	14.0% (price as of 2026-08-21)
Feb. 17, 2021	AORT	S	6,630	$24.73	$163,960	16,581 Direct	-28.56%	Disposed	13.6% (price as of 2026-08-21)
Feb. 17, 2021	AORT	M	6,630	$21.55	$142,876	23,211 Direct	+39.99%	Acquired	30.4% (price as of 2026-08-21)
Dec. 14, 2020	AORT	S	1,843	$21.85	$40,270	16,240 Direct	-10.19%	Disposed	28.6% (price as of 2026-08-21)
Nov. 2, 2020	AORT	F	1,585	$17.62	$27,928	18,083 Direct	-8.06%	Disposed	59.4% (price as of 2026-08-21)
May 5, 2020	AORT	A	1,526	—	—	19,668 Direct	+8.41%	Acquired	(price as of 2026-08-21)
March 12, 2020	AORT	F	226	$20.24	$4,574	19,668 Direct	-1.14%	Disposed	38.8% (price as of 2026-08-21)
March 5, 2020	AORT	F	411	$24.93	$10,246	19,894 Direct	-2.02%	Disposed	12.7% (price as of 2026-08-21)
March 5, 2020	AORT	A	2,320	—	—	20,305 Direct	+12.90%	Acquired	(price as of 2026-08-21)
Feb. 19, 2020	AORT	A	9,645	—	—	9,645 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 19, 2020	AORT	A	3,176	—	—	17,985 Direct	+21.45%	Acquired	(price as of 2026-08-21)
March 14, 2019	AORT	F	452	$29.82	$13,479	14,583 Direct	-3.01%	Disposed	-5.8% (price as of 2026-08-21)
March 14, 2019	AORT	A	3,092	—	—	15,035 Direct	+25.89%	Acquired	(price as of 2026-08-21)
March 5, 2019	AORT	A	7,265	—	—	7,265 Direct	—	Acquired	(price as of 2026-08-21)
March 5, 2019	AORT	A	2,813	—	—	11,943 Direct	+30.81%	Acquired	(price as of 2026-08-21)

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
Nov. 8, 2022	AORT	Common Stock	Common Stock (46,630)	$11.03	Nov. 8, 2029	46,630	Acquired
Feb. 23, 2022	AORT	Common Stock	Common Stock (18,972)	$18.44	Feb. 23, 2029	18,972	Acquired
April 30, 2021	AORT	StockOption(Right to Buy)	Common Stock (3,314)	$21.55	March 12, 2025	3,314	Disposed
Feb. 17, 2021	AORT	Stock Options (Right to Buy)	Common Stock (11,017)	$24.90	Feb. 17, 2028	11,017	Acquired
Feb. 17, 2021	AORT	Stock Options (Right to Buy)	Common Stock (6,630)	$21.55	March 12, 2025	6,630	Disposed
May 5, 2020	AORT	Phantom Stock	Phantom Stock (1,526)	—	—	1,526	Acquired
Feb. 19, 2020	AORT	Stock Option(Right to Buy)	Common Stock (9,645)	$26.24	Feb. 19, 2027	9,645	Acquired
March 5, 2019	AORT	Stock Options (Right to Buy)	Common Stock (7,265)	$29.62	March 5, 2026	7,265	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
May 19, 2021	AORT	Common Stock	—	Direct
June 5, 2018	AORT	Common Stock	9,130	Direct
June 5, 2018	AORT	Stock Option (Right to Buy)→ Common Stock (9,944)	9,944	Direct