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Sandrock Alfred

Insider CIK 1577061 · VYGR President and CEO, Director · BIIB Head of Research & Development · NBIX Director

Track record PRO

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Track record
See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.
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Trades across companies

TickerCodeTradeFiledSharesPriceValueOwned after
VYGR Voyager Therapeutics, Inc. S Sale2026-04-022026-04-0311,511$3.87 $44.5K472,549SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2026-02-242026-02-2614,197$3.79 $53.8K484,060SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2026-02-182026-02-2011,732$3.41 $40.0K498,257SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2026-02-102026-02-1112,192$3.78 $46.1K509,989SEC↗
VYGR Voyager Therapeutics, Inc. A Award deriv2026-02-062026-02-10402,500— $0402,500SEC↗
VYGR Voyager Therapeutics, Inc. A Award2026-02-062026-02-1086,250— $0522,181SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2025-04-022025-04-0410,885$3.43 $37.3K430,931SEC↗
VYGR Voyager Therapeutics, Inc. A Award deriv2025-02-212025-02-24290,000— $0290,000SEC↗
VYGR Voyager Therapeutics, Inc. A Award2025-02-212025-02-24145,000— $0441,816SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2025-02-202025-02-2411,702$4.24 $49.6K296,816SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2025-02-112025-02-1216,644$4.45 $74.1K308,518SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2024-04-022024-04-0312,115$9.86 $119.5K322,839SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2024-02-212024-02-2213,033$7.46 $97.2K334,954SEC↗
VYGR Voyager Therapeutics, Inc. A Award deriv2024-02-092024-02-16260,000— $0260,000SEC↗
VYGR Voyager Therapeutics, Inc. A Award2024-02-092024-02-16130,000— $0347,987SEC↗
VYGR Voyager Therapeutics, Inc. S Sale2023-04-032023-04-057,437$7.83 $58.2K214,618SEC↗
VYGR Voyager Therapeutics, Inc. A Award deriv2023-02-172023-02-22240,000— $0240,000SEC↗
VYGR Voyager Therapeutics, Inc. A Award2023-02-172023-02-22120,000— $0222,055SEC↗
VYGR Voyager Therapeutics, Inc. A Award deriv2022-03-222022-03-23940,600— $0940,600SEC↗
VYGR Voyager Therapeutics, Inc. A Award2022-03-222022-03-23100,000— $0100,000SEC↗
VYGR Voyager Therapeutics, Inc. A Award deriv2022-02-072022-02-0944,000— $044,000SEC↗
BIIB BIOGEN INC. S Sale2021-06-072021-06-097,672$440.00 $3.38M10,169SEC↗
BIIB BIOGEN INC. A Award deriv2021-02-182021-02-2214,500— $014,500SEC↗
BIIB BIOGEN INC. M Exercise deriv2021-02-122021-02-171,446— $05,442SEC↗
BIIB BIOGEN INC. J Other deriv2021-02-122021-02-171,996— $03,446SEC↗
BIIB BIOGEN INC. M Exercise deriv2021-02-122021-02-171,708— $010,352SEC↗
BIIB BIOGEN INC. M Exercise deriv2021-02-122021-02-171,300— $01,466SEC↗
BIIB BIOGEN INC. J Other deriv2021-02-122021-02-171,466— $00SEC↗
BIIB BIOGEN INC. J Other deriv2021-02-122021-02-172,310— $08,042SEC↗
BIIB BIOGEN INC. F Tax w/h2021-02-122021-02-17577$278.03 $160.4K19,138SEC↗
BIIB BIOGEN INC. F Tax w/h2021-02-122021-02-17642$278.03 $178.5K18,496SEC↗
BIIB BIOGEN INC. F Tax w/h2021-02-122021-02-17758$278.03 $210.7K17,738SEC↗
BIIB BIOGEN INC. M Exercise2021-02-122021-02-171,708— $019,715SEC↗
BIIB BIOGEN INC. F Tax w/h2021-02-122021-02-171,533$278.03 $426.2K15,261SEC↗
BIIB BIOGEN INC. M Exercise2021-02-122021-02-171,300— $016,561SEC↗
BIIB BIOGEN INC. M Exercise2021-02-122021-02-171,446— $018,007SEC↗
BIIB BIOGEN INC. A Award2021-01-272021-01-293,728— $016,794SEC↗
BIIB BIOGEN INC. S Sale2020-11-042020-11-061,500$350.00 $525.0K13,066SEC↗
BIIB BIOGEN INC. M Exercise deriv2020-02-152020-02-191,213— $0915SEC↗
BIIB BIOGEN INC. J Other deriv2020-02-152020-02-19915— $00SEC↗
BIIB BIOGEN INC. M Exercise2020-02-152020-02-191,213— $015,019SEC↗
BIIB BIOGEN INC. F Tax w/h2020-02-152020-02-19538$333.00 $179.2K14,481SEC↗
BIIB BIOGEN INC. M Exercise deriv2020-02-122020-02-141,422— $04,106SEC↗
BIIB BIOGEN INC. A Award deriv2020-02-122020-02-1412,060— $012,060SEC↗
BIIB BIOGEN INC. M Exercise deriv2020-02-122020-02-142,211— $00SEC↗
BIIB BIOGEN INC. J Other deriv2020-02-122020-02-141,340— $02,766SEC↗
BIIB BIOGEN INC. M Exercise deriv2020-02-122020-02-141,583— $08,747SEC↗
BIIB BIOGEN INC. J Other deriv2020-02-122020-02-141,859— $06,888SEC↗
BIIB BIOGEN INC. M Exercise2020-02-122020-02-142,211— $012,702SEC↗
BIIB BIOGEN INC. F Tax w/h2020-02-122020-02-14660$331.76 $219.0K12,042SEC↗
BIIB BIOGEN INC. F Tax w/h2020-02-122020-02-14538$331.76 $178.5K12,926SEC↗
BIIB BIOGEN INC. M Exercise2020-02-122020-02-141,583— $014,509SEC↗
BIIB BIOGEN INC. F Tax w/h2020-02-122020-02-14703$331.76 $233.2K13,806SEC↗
BIIB BIOGEN INC. M Exercise2020-02-122020-02-141,422— $013,464SEC↗
NBIX NEUROCRINE BIOSCIENCES INC A Award deriv2019-05-222019-05-2310,000— $010,000SEC↗
BIIB BIOGEN INC. J Other deriv2019-02-222019-02-26819— $00SEC↗
BIIB BIOGEN INC. M Exercise deriv2019-02-222019-02-261,663— $0819SEC↗
BIIB BIOGEN INC. F Tax w/h2019-02-222019-02-26739$325.33 $240.4K10,409SEC↗
BIIB BIOGEN INC. M Exercise2019-02-222019-02-261,663— $011,148SEC↗
BIIB BIOGEN INC. J Other deriv2019-02-152019-02-20808— $02,128SEC↗
BIIB BIOGEN INC. M Exercise deriv2019-02-152019-02-201,318— $02,936SEC↗
BIIB BIOGEN INC. M Exercise2019-02-152019-02-201,318— $010,071SEC↗
BIIB BIOGEN INC. F Tax w/h2019-02-152019-02-20586$332.87 $195.1K9,485SEC↗
BIIB BIOGEN INC. M Exercise deriv2019-02-122019-02-141,104— $02,211SEC↗
BIIB BIOGEN INC. J Other deriv2019-02-122019-02-141,188— $05,528SEC↗
BIIB BIOGEN INC. M Exercise deriv2019-02-122019-02-141,965— $01,453SEC↗
BIIB BIOGEN INC. J Other deriv2019-02-122019-02-141,453— $00SEC↗
BIIB BIOGEN INC. M Exercise deriv2019-02-122019-02-141,574— $06,716SEC↗
BIIB BIOGEN INC. A Award deriv2019-02-122019-02-1410,330— $010,330SEC↗
BIIB BIOGEN INC. F Tax w/h2019-02-122019-02-14873$319.43 $278.9K7,878SEC↗
BIIB BIOGEN INC. M Exercise2019-02-122019-02-141,965— $08,751SEC↗
BIIB BIOGEN INC. F Tax w/h2019-02-122019-02-14699$319.43 $223.3K8,753SEC↗
BIIB BIOGEN INC. F Tax w/h2019-02-122019-02-14358$319.43 $114.4K7,374SEC↗
BIIB BIOGEN INC. M Exercise2019-02-122019-02-141,104— $07,732SEC↗
BIIB BIOGEN INC. M Exercise2019-02-122019-02-141,574— $09,452SEC↗
BIIB BIOGEN INC. F Tax w/h2019-02-122019-02-14588$319.43 $187.8K6,786SEC↗
NBIX NEUROCRINE BIOSCIENCES INC A Award deriv2018-05-242018-05-2512,500— $012,500SEC↗
BIIB BIOGEN INC. S Sale2018-02-272018-02-28259$290.83 $75.3K6,553SEC↗
BIIB BIOGEN INC. M Exercise deriv2018-02-232018-02-27467— $0595SEC↗
BIIB BIOGEN INC. J Other deriv2018-02-232018-02-27595— $00SEC↗
BIIB BIOGEN INC. F Tax w/h2018-02-232018-02-27208$292.78 $60.9K6,812SEC↗
BIIB BIOGEN INC. M Exercise2018-02-232018-02-27467— $07,020SEC↗
BIIB BIOGEN INC. S Sale2018-02-232018-02-27908$293.44 $266.4K6,553SEC↗
BIIB BIOGEN INC. J Other deriv2018-02-222018-02-26843— $02,482SEC↗
BIIB BIOGEN INC. M Exercise deriv2018-02-222018-02-261,635— $03,325SEC↗
BIIB BIOGEN INC. F Tax w/h2018-02-222018-02-26727$284.81 $207.1K7,461SEC↗
BIIB BIOGEN INC. M Exercise2018-02-222018-02-261,635— $08,188SEC↗
BIIB BIOGEN INC. S Sale2018-02-202018-02-21743$292.00 $217.0K6,553SEC↗
BIIB BIOGEN INC. M Exercise deriv2018-02-152018-02-201,339— $05,041SEC↗
BIIB BIOGEN INC. J Other deriv2018-02-152018-02-20787— $04,254SEC↗
BIIB BIOGEN INC. F Tax w/h2018-02-152018-02-20596$299.38 $178.4K8,590SEC↗
BIIB BIOGEN INC. M Exercise2018-02-152018-02-201,339— $09,186SEC↗
BIIB BIOGEN INC. S Sale2018-02-152018-02-201,294$298.85 $386.7K7,296SEC↗
BIIB BIOGEN INC. J Other deriv2018-02-122018-02-141,398— $03,418SEC↗
BIIB BIOGEN INC. M Exercise deriv2018-02-122018-02-142,012— $04,816SEC↗
BIIB BIOGEN INC. A Award deriv2018-02-122018-02-148,290— $08,290SEC↗
BIIB BIOGEN INC. A Award deriv2018-02-122018-02-143,315— $03,315SEC↗
BIIB BIOGEN INC. F Tax w/h2018-02-122018-02-14598$316.63 $189.3K6,553SEC↗
BIIB BIOGEN INC. F Tax w/h2018-02-122018-02-14718$316.63 $227.3K7,847SEC↗
BIIB BIOGEN INC. M Exercise2018-02-122018-02-142,012— $08,565SEC↗
NBIX NEUROCRINE BIOSCIENCES INC A Award deriv2017-05-222017-06-0815,000— $015,000SEC↗
BIIB BIOGEN INC. S Sale2017-04-032017-04-041,981$274.08 $543.0K7,060SEC↗
BIIB BIOGEN INC. S Sale2017-03-012017-03-03973$290.07 $282.2K9,041SEC↗
BIIB BIOGEN INC. J Other deriv2017-02-282017-03-021,103— $06,335SEC↗
BIIB BIOGEN INC. M Exercise deriv2017-02-282017-03-02628— $00SEC↗
BIIB BIOGEN INC. M Exercise deriv2017-02-282017-03-021,569— $06,828SEC↗
BIIB BIOGEN INC. M Exercise deriv2017-02-282017-03-02398— $01,062SEC↗
BIIB BIOGEN INC. M Exercise deriv2017-02-282017-03-021,375— $04,960SEC↗
BIIB BIOGEN INC. J Other deriv2017-02-282017-03-02662— $01,460SEC↗
BIIB BIOGEN INC. M Exercise deriv2017-02-282017-03-02815— $00SEC↗
BIIB BIOGEN INC. J Other deriv2017-02-282017-03-02738— $0628SEC↗
BIIB BIOGEN INC. J Other deriv2017-02-282017-03-021,841— $08,397SEC↗
BIIB BIOGEN INC. M Exercise2017-02-282017-03-021,375— $09,585SEC↗
BIIB BIOGEN INC. F Tax w/h2017-02-282017-03-02647$287.63 $186.1K8,938SEC↗
BIIB BIOGEN INC. M Exercise2017-02-282017-03-02398— $09,336SEC↗
BIIB BIOGEN INC. F Tax w/h2017-02-282017-03-02188$284.75 $53.5K9,148SEC↗
BIIB BIOGEN INC. F Tax w/h2017-02-282017-03-02727$274.76 $199.8K8,421SEC↗
BIIB BIOGEN INC. M Exercise2017-02-282017-03-021,569— $09,990SEC↗
BIIB BIOGEN INC. F Tax w/h2017-02-282017-03-02384$274.76 $105.5K10,014SEC↗
BIIB BIOGEN INC. M Exercise2017-02-282017-03-02815— $010,398SEC↗
BIIB BIOGEN INC. F Tax w/h2017-02-282017-03-02296$274.60 $81.3K9,583SEC↗
BIIB BIOGEN INC. M Exercise2017-02-282017-03-02628— $09,879SEC↗
BIIB BIOGEN INC. F Tax w/h2017-02-282017-03-02739$274.76 $203.0K9,251SEC↗
BIIB BIOGEN INC. A Award deriv2017-02-152017-02-176,380— $06,380SEC↗
NBIX NEUROCRINE BIOSCIENCES INC A Award deriv2016-05-202016-05-2415,000— $015,000SEC↗
BIIB BIOGEN INC. S Sale2016-02-252016-02-26183$261.90 $47.9K7,990SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-232016-02-25347— $02,763SEC↗
BIIB BIOGEN INC. J Other deriv2016-02-232016-02-25689— $02,074SEC↗
BIIB BIOGEN INC. M Exercise2016-02-232016-02-25347— $08,337SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-232016-02-25164$258.99 $42.5K8,173SEC↗
BIIB BIOGEN INC. A Award deriv2016-02-222016-02-247,270— $07,270SEC↗
BIIB BIOGEN INC. S Sale2016-02-172016-02-19722$256.16 $184.9K7,990SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-122016-02-17792— $0797SEC↗
BIIB BIOGEN INC. J Other deriv2016-02-122016-02-171,900— $010,006SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-122016-02-17573— $02,095SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-122016-02-171,434— $011,906SEC↗
BIIB BIOGEN INC. J Other deriv2016-02-122016-02-17759— $01,336SEC↗
BIIB BIOGEN INC. M Exercise2016-02-122016-02-17792— $09,085SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-122016-02-17270$247.22 $66.7K8,293SEC↗
BIIB BIOGEN INC. M Exercise2016-02-122016-02-17573— $08,563SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-122016-02-17628$247.22 $155.3K7,112SEC↗
BIIB BIOGEN INC. M Exercise2016-02-122016-02-171,434— $08,546SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-122016-02-17373$247.22 $92.2K8,712SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-122016-02-17556$247.22 $137.5K7,990SEC↗
BIIB BIOGEN INC. S Sale2016-02-092016-02-10852$246.54 $210.1K7,740SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-082016-02-101,278— $00SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-082016-02-10426$250.77 $106.8K8,592SEC↗
BIIB BIOGEN INC. M Exercise2016-02-082016-02-101,278— $09,018SEC↗
BIIB BIOGEN INC. S Sale2015-12-042015-12-07441$277.00 $122.2K7,740SEC↗
BIIB BIOGEN INC. F Tax w/h2015-12-032015-12-07393$275.44 $108.2K8,181SEC↗
NBIX NEUROCRINE BIOSCIENCES INC A Award deriv2015-09-022015-09-0440,000— $040,000SEC↗
BIIB BIOGEN INC. S Sale2015-03-272015-03-30430$430.12 $185.0K8,574SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-03-022015-03-03600$408.98 $245.4K10,378SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-03-022015-03-031,000$411.39 $411.4K9,004SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-03-022015-03-03374$410.57 $153.6K10,004SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-03-022015-03-031,100$407.95 $448.7K10,978SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-03-022015-03-03100$406.40 $40.6K12,078SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-03-012015-03-032,826$409.59 $1.16M12,178SEC↗
BIIB BIOGEN IDEC INC. A Award deriv2015-02-232015-02-253,110— $03,110SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-02-172015-02-18418$389.11 $162.6K15,004SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2015-02-122015-02-17813— $03,187SEC↗
BIIB BIOGEN IDEC INC. J Other deriv2015-02-122015-02-17519— $02,668SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2015-02-122015-02-17792— $01,589SEC↗
BIIB BIOGEN IDEC INC. M Exercise2015-02-122015-02-17813— $015,805SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-02-122015-02-17383$392.11 $150.2K15,422SEC↗
BIIB BIOGEN IDEC INC. M Exercise2015-02-122015-02-17792— $015,366SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-02-122015-02-17374$392.11 $146.6K14,992SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-02-102015-02-11643$398.10 $256.0K14,774SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-02-102015-02-11100$399.08 $39.9K14,674SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-02-102015-02-11100$400.22 $40.0K14,574SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-02-102015-02-11300$397.11 $119.1K15,417SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2015-02-092015-02-101,824— $00SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-02-092015-02-10681$396.88 $270.3K15,717SEC↗
BIIB BIOGEN IDEC INC. S Sale2015-02-092015-02-10856$398.05 $340.7K14,574SEC↗
BIIB BIOGEN IDEC INC. M Exercise2015-02-092015-02-101,824— $016,398SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2015-02-082015-02-101,277— $01,278SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-02-082015-02-10421$402.00 $169.2K15,430SEC↗
BIIB BIOGEN IDEC INC. M Exercise2015-02-082015-02-101,277— $015,851SEC↗
BIIB BIOGEN IDEC INC. S Sale2014-12-042014-12-05440$345.88 $152.2K14,574SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-12-032014-12-05393$347.34 $136.5K15,014SEC↗
BIIB BIOGEN IDEC INC. S Sale2014-03-042014-03-053,171$342.58 $1.09M15,407SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-03-032014-03-042,829$340.68 $963.8K18,578SEC↗
BIIB BIOGEN IDEC INC. S Sale2014-02-262014-02-271,048$342.17 $358.6K21,407SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2014-02-232014-02-251,988— $00SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-02-232014-02-25940$347.11 $326.3K22,455SEC↗
BIIB BIOGEN IDEC INC. M Exercise2014-02-232014-02-251,988— $023,395SEC↗
BIIB BIOGEN IDEC INC. S Sale2014-02-132014-02-14425$316.42 $134.5K21,407SEC↗
BIIB BIOGEN IDEC INC. A Award deriv2014-02-122014-02-1413,340— $013,340SEC↗
BIIB BIOGEN IDEC INC. A Award deriv2014-02-122014-02-144,000— $04,000SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2014-02-122014-02-14792— $02,381SEC↗
BIIB BIOGEN IDEC INC. A Award2014-02-122014-02-147,740— $021,832SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-02-122014-02-14367$323.04 $118.6K14,092SEC↗
BIIB BIOGEN IDEC INC. M Exercise2014-02-122014-02-14792— $014,459SEC↗
BIIB BIOGEN IDEC INC. S Sale2014-02-112014-02-12855$314.31 $268.7K13,667SEC↗
BIIB BIOGEN IDEC INC. S Sale2014-02-112014-02-121,230$314.31 $386.6K14,522SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2014-02-092014-02-111,824— $01,824SEC↗
BIIB BIOGEN IDEC INC. M Exercise2014-02-092014-02-111,824— $016,346SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-02-092014-02-11594$315.54 $187.4K15,752SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2014-02-082014-02-111,277— $02,555SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-02-082014-02-11422$315.54 $133.2K14,522SEC↗
BIIB BIOGEN IDEC INC. M Exercise2014-02-082014-02-111,277— $014,944SEC↗
BIIB BIOGEN IDEC INC. S Sale2013-12-042013-12-05439$285.90 $125.5K13,667SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2013-12-032013-12-05394$287.76 $113.4K14,106SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2013-10-222013-10-2315,030— $00SEC↗
BIIB BIOGEN IDEC INC. M Exercise2013-10-222013-10-2315,030$60.56 $910.2K29,530SEC↗
BIIB BIOGEN IDEC INC. S Sale2013-10-222013-10-2315,030$250.11 $3.76M14,500SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2013-09-162013-09-189,820— $00SEC↗
BIIB BIOGEN IDEC INC. M Exercise2013-09-162013-09-189,820$49.65 $487.6K24,320SEC↗
BIIB BIOGEN IDEC INC. S Sale2013-09-162013-09-189,820$240.10 $2.36M14,500SEC↗