Insider at

04

Insider transactions

05
0 buys (P) 2 sells (S) Net: $-432,502 + 46 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

46 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 29, 2026 ATRC S 6,182 $38.80 $239,862 100,219 Direct -5.81% Disposed 52.0% (price as of )
Nov. 26, 2025 ATRC S 5,166 $37.29 $192,640 78,798 Direct -6.15% Disposed 58.1% (price as of )
Sept. 12, 2025 ATRC S 3,000 $36.30 $108,900 83,964 Direct -3.45% Disposed 62.5% (price as of )
May 1, 2024 ATRC S 10b5-1 1,500 $24.09 $36,135 71,284 Direct -2.06% Disposed 144.8% (price as of )
April 1, 2024 ATRC S 10b5-1 1,500 $30.39 $45,585 72,784 Direct -2.02% Disposed 94.0% (price as of )
March 12, 2024 ATRC S 10b5-1 1,500 $36.72 $55,080 74,284 Direct -1.98% Disposed 60.6% (price as of )
June 25, 2021 ATRC S 10b5-1 4,119 $80.00 $329,520 30,689 Direct -11.83% Disposed -26.3% (price as of )
June 21, 2021 ATRC S 10b5-1 15,000 $76.36 $1,145,400 40,808 Direct -26.88% Disposed -22.8% (price as of )
June 21, 2021 ATRC S 10b5-1 6,000 $76.36 $458,160 34,808 Direct -14.70% Disposed -22.8% (price as of )
Jan. 4, 2021 ATRC S 10b5-1 15,000 $53.57 $803,550 51,005 Direct -22.73% Disposed 10.1% (price as of )
Jan. 4, 2021 ATRC S 10b5-1 8,397 $53.61 $450,163 42,608 Direct -16.46% Disposed 10.0% (price as of )
April 17, 2020 ATRC S 10b5-1 10,000 $40.00 $400,000 51,255 Direct -16.33% Disposed 47.4% (price as of )
April 7, 2020 ATRC S 10b5-1 10,000 $35.00 $350,000 61,255 Direct -14.03% Disposed 68.5% (price as of )
Jan. 2, 2020 ATRC S 10b5-1 15,000 $32.89 $493,350 91,568 Direct -14.08% Disposed 79.3% (price as of )
Jan. 2, 2020 ATRC S 10b5-1 14,134 $32.89 $464,867 77,434 Direct -15.44% Disposed 79.3% (price as of )
June 17, 2019 ATRC S 10b5-1 10,000 $30.00 $300,000 94,068 Direct -9.61% Disposed 96.6% (price as of )
April 30, 2019 ATRC S 10b5-1 15,000 $30.00 $450,000 104,068 Direct -12.60% Disposed 96.6% (price as of )
April 15, 2019 ATRC S 10b5-1 12,569 $27.64 $347,407 104,068 Direct -10.78% Disposed 113.4% (price as of )
Aug. 15, 2018 ATRC S 10b5-1 4,000 $30.32 $121,280 124,920 Direct -3.10% Disposed 94.5% (price as of )
May 15, 2018 ATRC S 10b5-1 4,000 $23.05 $92,200 131,920 Direct -2.94% Disposed 155.8% (price as of )
Feb. 15, 2018 ATRC S 10b5-1 4,000 $17.03 $68,120 124,997 Direct -3.10% Disposed 246.3% (price as of )

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 21, 2021 ATRC Stock Option (right to buy) Common Stock (15,000) $18.30 Jan. 6, 2024 15,000 Disposed
Jan. 4, 2021 ATRC Stock Option (Right to Buy) Common Stock (15,000) $18.30 Jan. 6, 2024 15,000 Disposed
Jan. 2, 2020 ATRC Stock Option (right to buy) Common Stock (15,000) $18.30 Jan. 6, 2024 15,000 Disposed
April 30, 2019 ATRC Stock Option (right to buy) Common Stock (15,000) $18.30 Jan. 6, 2024 15,000 Disposed

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

Initial ownership (Form 3) 2 holdings

07

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

DateTickerSecuritySharesOwnership
Feb. 16, 2016 ATRC Common Stock · Direct
Feb. 16, 2016 ATRC Non-Qualified Stock Option (right to buy)→ Common Stock (60,000) 60,000 Direct