Sign inGet started

Cox John

Insider CIK 1498428 · BIVV Chief Executive Officer, Director · DYN See Remarks, Director · SGTX Director · RGEN Director · BIIB EVP Pharmaceutical Oper & Tech

Track record PRO

XXXX$█.██M██+██%
XXXX$█.██M██+██%
XXXX$█.██M██+██%
Track record
See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.
Upgrade to Pro · $99/yearAlready Pro? Log in

Trades across companies

TickerCodeTradeFiledSharesPriceValueOwned after
DYN Dyne Therapeutics, Inc. S Sale2026-09-082026-09-085,658$18.88 $106.8K357,507SEC↗
DYN Dyne Therapeutics, Inc. S Sale2026-09-082026-09-085,658$18.88 $106.8K357,507SEC↗
DYN Dyne Therapeutics, Inc. S Sale2026-08-132026-08-174,986$26.28 $131.0K363,165SEC↗
DYN Dyne Therapeutics, Inc. S Sale2026-08-132026-08-174,986$26.28 $131.0K363,165SEC↗
DYN Dyne Therapeutics, Inc. S Sale2026-06-162026-06-172,683$18.33 $49.2K368,151SEC↗
DYN Dyne Therapeutics, Inc. S Sale2026-05-132026-05-143,311$18.36 $60.8K370,834SEC↗
DYN Dyne Therapeutics, Inc. S Sale2026-03-052026-03-062,732$14.90 $40.7K374,145SEC↗
DYN Dyne Therapeutics, Inc. A Award deriv2026-02-122026-02-17285,000— $0285,000SEC↗
DYN Dyne Therapeutics, Inc. A Award2026-02-122026-02-17180,000— $0376,877SEC↗
DYN Dyne Therapeutics, Inc. S Sale2025-12-052025-12-052,662$20.72 $55.2K196,877SEC↗
DYN Dyne Therapeutics, Inc. S Sale2025-09-052025-09-092,640$13.41 $35.4K199,539SEC↗
DYN Dyne Therapeutics, Inc. A Award deriv2025-07-162025-07-18197,285— $0197,285SEC↗
DYN Dyne Therapeutics, Inc. G Gift2025-07-152025-07-1510,000— $0202,179SEC↗
DYN Dyne Therapeutics, Inc. G Gift2025-07-152025-07-1510,000— $0222,179SEC↗
DYN Dyne Therapeutics, Inc. G Gift2025-07-152025-07-1510,000— $0212,179SEC↗
DYN Dyne Therapeutics, Inc. G Gift2025-07-152025-07-1510,000— $0232,179SEC↗
DYN Dyne Therapeutics, Inc. P Buy2025-07-142025-07-15100,000$9.11 $911.0K242,179SEC↗
DYN Dyne Therapeutics, Inc. S Sale2025-06-052025-06-064,060$13.35 $54.2K142,179SEC↗
DYN Dyne Therapeutics, Inc. S Sale2025-03-052025-03-074,061$11.83 $48.0K146,239SEC↗
DYN Dyne Therapeutics, Inc. A Award deriv2024-12-042024-12-06232,100— $0232,100SEC↗
DYN Dyne Therapeutics, Inc. A Award2024-12-042024-12-06145,300— $0150,300SEC↗
DYN Dyne Therapeutics, Inc. P Buy2024-09-042024-09-04800$32.57 $26.1K800SEC↗
DYN Dyne Therapeutics, Inc. P Buy2024-09-042024-09-047,200$33.09 $238.2K8,000SEC↗
DYN Dyne Therapeutics, Inc. P Buy2024-09-042024-09-04800$32.57 $26.1K800SEC↗
DYN Dyne Therapeutics, Inc. P Buy2024-09-042024-09-047,200$33.09 $238.2K8,000SEC↗
DYN Dyne Therapeutics, Inc. P Buy2024-09-042024-09-04800$32.57 $26.1K800SEC↗
DYN Dyne Therapeutics, Inc. P Buy2024-09-042024-09-047,200$33.09 $238.2K8,000SEC↗
DYN Dyne Therapeutics, Inc. P Buy2024-09-042024-09-04800$32.57 $26.1K800SEC↗
DYN Dyne Therapeutics, Inc. P Buy2024-09-042024-09-047,200$33.09 $238.2K8,000SEC↗
DYN Dyne Therapeutics, Inc. A Award deriv2024-03-252024-03-27679,853— $0679,853SEC↗
SGTX Sigilon Therapeutics, Inc. D To issuer deriv2023-08-112023-08-11683$5.00 $3.4K0SEC↗
SGTX Sigilon Therapeutics, Inc. D To issuer deriv2023-08-112023-08-11683$6.64 $4.5K0SEC↗
SGTX Sigilon Therapeutics, Inc. D To issuer2023-08-112023-08-11341— $00SEC↗
SGTX Sigilon Therapeutics, Inc. A Award deriv2023-05-192023-05-228,888— $08,888SEC↗
SGTX Sigilon Therapeutics, Inc. A Award deriv2022-05-262022-05-278,888— $08,888SEC↗
SGTX Sigilon Therapeutics, Inc. A Award deriv2021-06-242021-06-288,888$9.97 $88.6K8,888SEC↗
SGTX Sigilon Therapeutics, Inc. C Conversion deriv2020-12-082020-12-104,444— $00SEC↗
SGTX Sigilon Therapeutics, Inc. C Conversion2020-12-082020-12-104,444— $04,444SEC↗
RGEN REPLIGEN CORP S Sale2020-03-242020-03-261,858$96.72 $179.7K923SEC↗
RGEN REPLIGEN CORP M Exercise deriv2020-03-182020-03-203,304— $00SEC↗
RGEN REPLIGEN CORP M Exercise deriv2020-03-182020-03-2014,000— $00SEC↗
RGEN REPLIGEN CORP M Exercise deriv2020-03-182020-03-203,632— $00SEC↗
RGEN REPLIGEN CORP M Exercise deriv2020-03-182020-03-203,366— $00SEC↗
RGEN REPLIGEN CORP M Exercise deriv2020-03-182020-03-202,434— $00SEC↗
RGEN REPLIGEN CORP M Exercise2020-03-182020-03-203,304$42.07 $139.0K29,517SEC↗
RGEN REPLIGEN CORP M Exercise2020-03-182020-03-202,434$38.76 $94.3K26,213SEC↗
RGEN REPLIGEN CORP M Exercise2020-03-182020-03-203,366$26.12 $87.9K23,779SEC↗
RGEN REPLIGEN CORP S Sale2020-03-182020-03-201,016$97.17 $98.7K2,781SEC↗
RGEN REPLIGEN CORP M Exercise2020-03-182020-03-2014,000$12.91 $180.7K16,781SEC↗
RGEN REPLIGEN CORP S Sale2020-03-182020-03-2024,533$95.13 $2.33M4,984SEC↗
RGEN REPLIGEN CORP S Sale2020-03-182020-03-201,187$96.45 $114.5K3,797SEC↗
RGEN REPLIGEN CORP M Exercise2020-03-182020-03-203,632$41.19 $149.6K20,413SEC↗
RGEN REPLIGEN CORP M Exercise deriv2020-03-042020-03-0510,000— $014,000SEC↗
RGEN REPLIGEN CORP M Exercise2020-03-042020-03-0510,000$12.91 $129.1K12,781SEC↗
RGEN REPLIGEN CORP S Sale2020-03-042020-03-0510,000$93.39 $933.9K2,781SEC↗
RGEN REPLIGEN CORP S Sale2020-02-242020-02-264,355$92.76 $404.0K2,781SEC↗
RGEN REPLIGEN CORP S Sale2020-02-242020-02-26100$94.85 $9.5K7,136SEC↗
RGEN REPLIGEN CORP A Award deriv2019-05-152019-05-172,109— $02,109SEC↗
RGEN REPLIGEN CORP A Award2019-05-152019-05-17923— $07,236SEC↗
RGEN REPLIGEN CORP A Award deriv2018-05-162018-05-173,304— $03,304SEC↗
RGEN REPLIGEN CORP A Award2018-05-162018-05-171,486— $06,313SEC↗
BIVV Bioverativ Inc. D To issuer deriv2018-03-082018-03-08193,683— $00SEC↗
BIVV Bioverativ Inc. D To issuer deriv2018-03-082018-03-08387,366— $00SEC↗
BIVV Bioverativ Inc. D To issuer deriv2018-03-082018-03-08136,364— $00SEC↗
BIVV Bioverativ Inc. D To issuer deriv2018-03-082018-03-0848,678— $00SEC↗
BIVV Bioverativ Inc. D To issuer deriv2018-03-082018-03-0848,230— $00SEC↗
BIVV Bioverativ Inc. D To issuer2018-03-082018-03-08185,094— $00SEC↗
BIVV Bioverativ Inc. F Tax w/h2018-02-232018-02-265,794$104.74 $606.9K185,094SEC↗
BIVV Bioverativ Inc. F Tax w/h2018-02-222018-02-2613,973$104.30 $1.46M190,888SEC↗
BIVV Bioverativ Inc. M Exercise deriv2018-02-142018-02-1524,339— $048,678SEC↗
BIVV Bioverativ Inc. F Tax w/h2018-02-142018-02-1510,819$103.52 $1.12M204,861SEC↗
BIVV Bioverativ Inc. M Exercise2018-02-142018-02-1524,339— $0215,680SEC↗
BIVV Bioverativ Inc. M Exercise deriv2018-02-112018-02-1318,381— $00SEC↗
BIVV Bioverativ Inc. F Tax w/h2018-02-112018-02-137,672$103.05 $790.6K191,341SEC↗
BIVV Bioverativ Inc. M Exercise2018-02-112018-02-1318,381$9.53 $175.2K199,013SEC↗
BIVV Bioverativ Inc. A Award deriv2018-01-312018-02-02136,364— $0136,364SEC↗
RGEN REPLIGEN CORP A Award deriv2017-05-182017-05-222,434— $02,434SEC↗
RGEN REPLIGEN CORP A Award2017-05-182017-05-221,206— $04,827SEC↗
BIVV Bioverativ Inc. F Tax w/h2017-03-312017-04-038,416$54.46 $458.3K180,632SEC↗
BIVV Bioverativ Inc. A Award deriv2017-02-282017-03-0218,381— $018,381SEC↗
BIVV Bioverativ Inc. A Award deriv2017-02-282017-03-0248,230— $048,230SEC↗
BIVV Bioverativ Inc. F Tax w/h2017-02-282017-03-022,641$49.56 $130.9K202,210SEC↗
BIVV Bioverativ Inc. A Award2017-02-282017-03-02211,679— $0226,979SEC↗
BIVV Bioverativ Inc. F Tax w/h2017-02-282017-03-023,404$43.42 $147.8K223,575SEC↗
BIVV Bioverativ Inc. F Tax w/h2017-02-282017-03-023,383$49.56 $167.7K220,192SEC↗
BIVV Bioverativ Inc. F Tax w/h2017-02-282017-03-026,726$43.42 $292.0K189,048SEC↗
BIVV Bioverativ Inc. F Tax w/h2017-02-282017-03-026,436$47.76 $307.4K195,774SEC↗
BIVV Bioverativ Inc. F Tax w/h2017-02-282017-03-026,986$43.42 $303.3K204,851SEC↗
BIVV Bioverativ Inc. F Tax w/h2017-02-282017-03-028,355$47.76 $399.0K211,837SEC↗
BIVV Bioverativ Inc. A Award deriv2017-02-142017-02-16193,337— $0193,337SEC↗
BIVV Bioverativ Inc. A Award deriv2017-02-142017-02-1673,017— $073,017SEC↗
BIVV Bioverativ Inc. A Award deriv2017-02-142017-02-16386,675— $0386,675SEC↗
BIVV Bioverativ Inc. A Award deriv2017-02-142017-03-27387,366— $0387,366SEC↗
BIVV Bioverativ Inc. A Award deriv2017-02-142017-03-27193,683— $0193,683SEC↗
RGEN REPLIGEN CORP A Award deriv2016-05-112016-05-133,366— $03,366SEC↗
RGEN REPLIGEN CORP A Award2016-05-112016-05-131,763— $03,621SEC↗
BIIB BIOGEN INC. A Award2016-04-012016-04-058,444— $039,045SEC↗
BIIB BIOGEN INC. J Other deriv2016-02-232016-02-251,608— $04,842SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-232016-02-25810— $06,450SEC↗
BIIB BIOGEN INC. M Exercise2016-02-232016-02-25810— $030,898SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-232016-02-25382$258.99 $98.9K30,516SEC↗
BIIB BIOGEN INC. A Award deriv2016-02-222016-02-2411,850— $011,850SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-122016-02-171,052— $03,842SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-122016-02-172,246— $02,249SEC↗
BIIB BIOGEN INC. J Other deriv2016-02-122016-02-171,394— $02,448SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-122016-02-17495$247.22 $122.4K28,899SEC↗
BIIB BIOGEN INC. M Exercise2016-02-122016-02-172,246— $031,145SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-122016-02-171,057$247.22 $261.3K30,088SEC↗
BIIB BIOGEN INC. M Exercise2016-02-122016-02-171,052— $029,394SEC↗
BIIB BIOGEN INC. M Exercise deriv2016-02-082016-02-094,026— $00SEC↗
BIIB BIOGEN INC. F Tax w/h2016-02-082016-02-091,324$250.77 $332.0K28,342SEC↗
BIIB BIOGEN INC. M Exercise2016-02-082016-02-094,026— $029,666SEC↗
RGEN REPLIGEN CORP A Award deriv2015-05-212015-05-263,632— $03,632SEC↗
RGEN REPLIGEN CORP A Award2015-05-212015-05-261,858— $01,858SEC↗
BIIB BIOGEN INC. M Exercise deriv2015-03-252015-03-262,175— $00SEC↗
BIIB BIOGEN INC. M Exercise deriv2015-03-252015-03-262,891— $02,892SEC↗
BIIB BIOGEN INC. M Exercise2015-03-252015-03-262,891$60.56 $175.1K37,577SEC↗
BIIB BIOGEN INC. S Sale2015-03-252015-03-2612,010$449.06 $5.39M25,567SEC↗
BIIB BIOGEN INC. M Exercise2015-03-252015-03-262,175$72.87 $158.5K34,686SEC↗
BIIB BIOGEN IDEC INC. A Award deriv2015-02-232015-02-257,260— $07,260SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2015-02-122015-02-171,492— $05,848SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2015-02-122015-02-172,246— $04,495SEC↗
BIIB BIOGEN IDEC INC. J Other deriv2015-02-122015-02-17954— $04,894SEC↗
BIIB BIOGEN IDEC INC. M Exercise2015-02-122015-02-172,246— $032,780SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-02-122015-02-171,058$392.11 $414.9K31,722SEC↗
BIIB BIOGEN IDEC INC. M Exercise2015-02-122015-02-171,492— $033,214SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-02-122015-02-17703$392.11 $275.7K32,511SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2015-02-092015-02-104,691— $00SEC↗
BIIB BIOGEN IDEC INC. M Exercise2015-02-092015-02-104,691— $032,744SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-02-092015-02-102,210$396.88 $877.1K30,534SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2015-02-082015-02-104,023— $04,026SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2015-02-082015-02-101,537$402.00 $617.9K28,053SEC↗
BIIB BIOGEN IDEC INC. M Exercise2015-02-082015-02-104,023— $029,590SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2014-02-232014-02-252,598— $00SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-02-232014-02-251,228$347.11 $426.3K25,478SEC↗
BIIB BIOGEN IDEC INC. M Exercise2014-02-232014-02-252,598— $026,706SEC↗
BIIB BIOGEN IDEC INC. A Award deriv2014-02-122014-02-147,340— $07,340SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2014-02-122014-02-142,246— $06,741SEC↗
BIIB BIOGEN IDEC INC. M Exercise2014-02-122014-02-142,246— $025,167SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-02-122014-02-141,059$323.04 $342.1K24,108SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2014-02-092014-02-114,691— $04,691SEC↗
BIIB BIOGEN IDEC INC. M Exercise2014-02-092014-02-114,691— $025,133SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-02-092014-02-112,212$315.54 $698.0K22,921SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2014-02-082014-02-114,023— $08,049SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2014-02-082014-02-111,441$315.54 $454.7K20,442SEC↗
BIIB BIOGEN IDEC INC. M Exercise2014-02-082014-02-114,023— $021,883SEC↗
BIIB BIOGEN IDEC INC. G Gift2013-11-252013-12-04200— $017,860SEC↗
RGEN REPLIGEN CORP A Award deriv2013-11-152013-11-1924,000— $024,000SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2013-05-032013-05-07866$218.85 $189.5K18,060SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2013-02-232013-02-262,598— $02,598SEC↗
BIIB BIOGEN IDEC INC. M Exercise2013-02-232013-02-262,598— $019,986SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2013-02-232013-02-261,227$164.40 $201.7K18,759SEC↗
BIIB BIOGEN IDEC INC. A Award deriv2013-02-122013-02-148,987— $08,987SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2013-02-092013-02-124,692— $09,382SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2013-02-092013-02-121,836$164.44 $301.9K17,388SEC↗
BIIB BIOGEN IDEC INC. M Exercise2013-02-092013-02-124,692— $019,224SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2013-02-082013-02-123,487— $012,608SEC↗
BIIB BIOGEN IDEC INC. J Other deriv2013-02-082013-02-12536— $012,072SEC↗
BIIB BIOGEN IDEC INC. M Exercise2013-02-082013-02-123,487— $015,665SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2013-02-082013-02-121,133$164.44 $186.3K14,532SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2012-05-032012-05-04765$134.26 $102.7K12,178SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2012-02-242012-02-27785$116.39 $91.4K13,506SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2012-02-242012-02-27793$116.39 $92.3K12,713SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2012-02-232012-02-272,600— $05,196SEC↗
BIIB BIOGEN IDEC INC. M Exercise2012-02-232012-02-272,600— $015,376SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2012-02-232012-02-271,085$116.70 $126.6K14,291SEC↗
BIIB BIOGEN IDEC INC. M Exercise deriv2012-02-092012-02-134,692— $014,074SEC↗
BIIB BIOGEN IDEC INC. F Tax w/h2012-02-092012-02-131,504$117.78 $177.1K12,776SEC↗
BIIB BIOGEN IDEC INC. M Exercise2012-02-092012-02-134,692— $014,280SEC↗
BIIB BIOGEN IDEC INC. A Award deriv2012-02-082012-02-1016,095— $016,095SEC↗