Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 58 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

58 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 20, 2018 ATRA S 10b5-1 3,000 $38.83 $116,490 88,762 Direct -3.27% Disposed -99.0% (price as of 2026-10-02)
March 19, 2018 ATRA S 10b5-1 3,000 $41.99 $125,970 91,762 Direct -3.17% Disposed -99.1% (price as of 2026-10-02)
Feb. 16, 2018 ATRA S 10b5-1 2,500 $48.08 $120,200 94,762 Direct -2.57% Disposed -99.2% (price as of 2026-10-02)
Feb. 16, 2018 ATRA S 10b5-1 4,000 $46.93 $187,720 97,262 Direct -3.95% Disposed -99.2% (price as of 2026-10-02)
Feb. 15, 2018 ATRA S 10b5-1 6,500 $46.77 $304,005 99,056 Direct -6.16% Disposed -99.2% (price as of 2026-10-02)
Jan. 12, 2018 ATRA S 10b5-1 30,000 $25.00 $750,000 89,654 Direct -25.07% Disposed -98.5% (price as of 2026-10-02)
Jan. 12, 2018 ATRA S 10b5-1 3,500 $22.32 $78,120 119,654 Direct -2.84% Disposed -98.3% (price as of 2026-10-02)
Jan. 11, 2018 ATRA S 10b5-1 3,500 $20.77 $72,695 93,154 Direct -3.62% Disposed -98.2% (price as of 2026-10-02)
Dec. 29, 2017 ATRA S 10b5-1 32,000 $20.00 $640,000 96,654 Direct -24.87% Disposed -98.1% (price as of 2026-10-02)
Aug. 16, 2017 ATRA S 10b5-1 2,100 $14.39 $30,219 120,957 Direct -1.71% Disposed -97.4% (price as of 2026-10-02)
Aug. 15, 2017 ATRA S 10b5-1 2,100 $14.23 $29,883 123,057 Direct -1.68% Disposed -97.3% (price as of 2026-10-02)
May 16, 2017 ATRA S 10b5-1 2,000 $15.27 $30,540 117,460 Direct -1.67% Disposed -97.5% (price as of 2026-10-02)
May 15, 2017 ATRA S 10b5-1 2,000 $14.95 $29,900 119,460 Direct -1.65% Disposed -97.5% (price as of 2026-10-02)
March 23, 2017 ATRA S 10b5-1 6,500 $21.08 $137,020 112,827 Direct -5.45% Disposed -98.2% (price as of 2026-10-02)
March 22, 2017 ATRA S 10b5-1 7,500 $20.27 $152,025 119,327 Direct -5.91% Disposed -98.1% (price as of 2026-10-02)
March 10, 2017 ATRA S 10b5-1 24,000 $20.00 $480,000 126,827 Direct -15.91% Disposed -98.1% (price as of 2026-10-02)
Feb. 21, 2017 ATRA S 10b5-1 9,000 $15.14 $136,260 150,827 Direct -5.63% Disposed -97.5% (price as of 2026-10-02)
Nov. 11, 2016 ATRA S 10b5-1 2,500 $19.37 $48,425 89,323 Direct -2.72% Disposed -98.0% (price as of 2026-10-02)
Nov. 10, 2016 ATRA S 10b5-1 2,500 $20.30 $50,750 91,823 Direct -2.65% Disposed -98.1% (price as of 2026-10-02)
Oct. 12, 2016 ATRA S 10b5-1 2,500 $16.41 $41,025 94,323 Direct -2.58% Disposed -97.7% (price as of 2026-10-02)
Oct. 11, 2016 ATRA S 10b5-1 2,500 $18.52 $46,300 96,823 Direct -2.52% Disposed -98.0% (price as of 2026-10-02)
May 16, 2016 ATRA S 5,395 $15.77 $85,079 88,822 Direct -5.73% Disposed -97.6% (price as of 2026-10-02)
Feb. 16, 2016 ATRA S 6,000 $15.49 $92,940 83,714 Direct -6.69% Disposed -97.6% (price as of 2026-10-02)
Nov. 30, 2015 ATRA S 10b5-1 6,000 $40.00 $240,000 36,356 Direct -14.17% Disposed -99.1% (price as of 2026-10-02)
Aug. 18, 2015 ATRA S 10b5-1 6,000 $49.38 $296,280 31,854 Direct -15.85% Disposed -99.2% (price as of 2026-10-02)
June 15, 2015 ATRA S 10b5-1 10,000 $50.00 $500,000 27,352 Direct -26.77% Disposed -99.2% (price as of 2026-10-02)
May 29, 2015 ATRA S 10b5-1 10,000 $40.00 $400,000 37,352 Direct -21.12% Disposed -99.1% (price as of 2026-10-02)

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
Feb. 15, 2018 ATRA Restricted Stock Units Common Stock (5,132) · · 5,132 Disposed
Feb. 6, 2018 ATRA Employee Stock Option (Right to Buy) Common Stock (50,000) $35.80 Feb. 6, 2025 50,000 Acquired
Jan. 12, 2018 ATRA Employee Stock Option (Right to Buy) Common Stock (30,000) $11.00 Oct. 14, 2021 30,000 Disposed
Nov. 15, 2017 ATRA Restricted Stock Units Common Stock (7,697) · · 7,697 Disposed
Aug. 15, 2017 ATRA Restricted Stock Units Common Stock (7,697) · · 7,697 Disposed
May 15, 2017 ATRA Restricted Stock Units Common Stock (7,698) · · 7,698 Disposed
May 15, 2017 ATRA Restricted Stock Units Common Stock (935) · · 935 Disposed
Feb. 15, 2017 ATRA Restricted Stock Units Common Stock (7,697) · · 7,697 Disposed
Feb. 15, 2017 ATRA Restricted Stock Units Common Stock (2,804) · · 2,804 Disposed
Nov. 15, 2016 ATRA Restricted Stock Units Common Stock (7,698) · · 7,698 Disposed
Nov. 15, 2016 ATRA Restricted Stock Units Common Stock (2,805) · · 2,805 Disposed
Aug. 15, 2016 ATRA Restricted Stock Units Common Stock (7,697) · · 7,697 Disposed
Aug. 15, 2016 ATRA Restricted Stock Units Common Stock (2,804) · · 2,804 Disposed
May 16, 2016 ATRA Restricted Stock Units Common Stock (7,698) · · 7,698 Disposed
May 16, 2016 ATRA Restricted Stock Units Common Stock (2,805) · · 2,805 Disposed
Feb. 16, 2016 ATRA Restricted Stock Units Common Stock (7,697) · · 7,697 Disposed
Feb. 16, 2016 ATRA Restricted Stock Units Common Stock (2,804) · · 2,804 Disposed
Dec. 17, 2015 ATRA Employee Stock Option (Right to Buy) Common Stock (65,000) $22.72 Dec. 17, 2022 65,000 Acquired
Nov. 16, 2015 ATRA Restricted Stock Units Common Stock (7,697) · · 7,697 Disposed
Nov. 16, 2015 ATRA Restricted Stock Units Common Stock (2,805) · · 2,805 Disposed
Aug. 17, 2015 ATRA Restricted Stock Units Common Stock (7,698) · · 7,698 Disposed
Aug. 17, 2015 ATRA Restricted Stock Units Common Stock (2,804) · · 2,804 Disposed
May 15, 2015 ATRA Restricted Stock Units Common Stock (41,052) · · 41,052 Acquired
May 15, 2015 ATRA Restricted Stock Units Common Stock (24,305) · · 24,305 Acquired
Jan. 16, 2015 ATRA Employee Stock Option (Right to Buy) Common Stock (41,333) $25.15 Jan. 16, 2022 41,333 Acquired
Oct. 21, 2014 ATRA Restricted Stock Unit Common Stock (123,158) · · 123,158 Acquired
Oct. 21, 2014 ATRA Restricted Stock Unit Common Stock (44,871) · · 44,871 Acquired
Oct. 15, 2014 ATRA Employee Stock Option (Right to Buy) Common Stock (40,000) $11.00 Oct. 14, 2021 40,000 Acquired

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

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2018 $143,512 · · · · · $212 $2,099,434

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.