Vinayak Doraiswamy

Insider

First SEC filing: May 24, 2021 · Latest: May 24, 2021

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

ATRC selling July 28, 2026

Insider transactions

0 buys (P) 1 sells (S) Net: $-233,280 + 19 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

19 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 28, 2026	ATRC	S	6,000	$38.88	$233,280	86,511 Direct	-6.49%	Disposed	21.6% (price as of 2026-08-21)
June 30, 2026	ATRC	A	636	$23.78	$15,124	92,511 Direct	+0.69%	Acquired	98.9% (price as of 2026-08-21)
June 30, 2025	ATRC	A	822	$25.84	$21,240	74,372 Direct	+1.12%	Acquired	83.0% (price as of 2026-08-21)
May 28, 2025	ATRC	S	2,500	$33.44	$83,600	73,550 Direct	-3.29%	Disposed	41.4% (price as of 2026-08-21)
March 1, 2025	ATRC	A	19,359	—	—	79,143 Direct	+32.38%	Acquired	(price as of 2026-08-21)
March 1, 2025	ATRC	A	6,579	—	—	85,722 Direct	+8.31%	Acquired	(price as of 2026-08-21)
March 1, 2025	ATRC	F	9,672	$38.74	$374,693	76,050 Direct	-11.28%	Disposed	22.1% (price as of 2026-08-21)
June 28, 2024	ATRC	A	707	$19.35	$13,680	59,784 Direct	+1.20%	Acquired	144.4% (price as of 2026-08-21)
March 1, 2024	ATRC	A	19,294	—	—	58,604 Direct	+49.08%	Acquired	(price as of 2026-08-21)
March 1, 2024	ATRC	A	9,328	—	—	67,932 Direct	+15.92%	Acquired	(price as of 2026-08-21)
March 1, 2024	ATRC	F	8,855	$36.28	$321,259	59,077 Direct	-13.04%	Disposed	30.4% (price as of 2026-08-21)
June 30, 2023	ATRC	A	557	$38.11	$21,227	39,310 Direct	+1.44%	Acquired	24.1% (price as of 2026-08-21)
March 1, 2023	ATRC	A	8,036	—	—	27,442 Direct	+41.41%	Acquired	(price as of 2026-08-21)
March 1, 2023	ATRC	A	16,104	—	—	43,546 Direct	+58.68%	Acquired	(price as of 2026-08-21)
March 1, 2023	ATRC	F	4,793	$38.81	$186,016	38,753 Direct	-11.01%	Disposed	21.9% (price as of 2026-08-21)
Sept. 15, 2022	ATRC	S	4,983	$45.99	$229,168	19,406 Direct	-20.43%	Disposed	2.8% (price as of 2026-08-21)
June 30, 2022	ATRC	A	350	$34.73	$12,156	24,389 Direct	+1.46%	Acquired	36.2% (price as of 2026-08-21)
March 1, 2022	ATRC	A	7,789	—	—	24,688 Direct	+46.09%	Acquired	(price as of 2026-08-21)
March 1, 2022	ATRC	A	6,825	—	—	31,513 Direct	+27.65%	Acquired	(price as of 2026-08-21)
March 1, 2022	ATRC	F	7,474	$69.59	$520,116	24,039 Direct	-23.72%	Disposed	-32.0% (price as of 2026-08-21)
Dec. 31, 2021	ATRC	A	24	$59.10	$1,418	16,899 Direct	+0.14%	Acquired	-20.0% (price as of 2026-08-21)
July 12, 2021	ATRC	S 10b5-1	7,672	$83.12	$637,697	16,875 Direct	-31.25%	Disposed	-43.1% (price as of 2026-08-21)
June 30, 2021	ATRC	A	428	$45.72	$19,568	24,547 Direct	+1.77%	Acquired	3.4% (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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
May 24, 2021	ATRC	Common Stock	—	Direct