SEC CIK 1263839

ALEXANDER SUSAN H

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
BIIBview stock →41,8072026-02-06

Position History — BIIB

Reported shares owned immediately after each Form 4 transaction, over time.

022,75245,50368,2552007-012011-022012-052015-022019-022022-022026-022026-02

Recent Filings — BIIB

DateActivitySharesPriceOwned After
2026-02-13Grant / award (derivative)8,450$0.008,450
2026-02-06Option exercise (derivative)4,916$0.009,834
2026-02-06Option exercise (derivative)1,940$0.001,940
2026-02-06Option exercise (derivative)2,190$0.000
2026-02-06Tax withholding1,514$201.1841,807
2026-02-06Option exercise4,916$0.0043,321
2026-02-06Tax withholding931$201.1838,405
2026-02-06Option exercise1,940$0.0039,336
2026-02-06Tax withholding1,059$201.1837,396
2026-02-06Option exercise2,190$0.0038,455
2025-02-10Option exercise (derivative)2,575$0.000
2025-02-10Tax withholding807$142.5436,265
2025-02-10Option exercise2,575$0.0037,072
2025-02-07Option exercise (derivative)2,190$0.002,190
2025-02-07Option exercise (derivative)1,940$0.003,880
2025-02-07Tax withholding643$141.3533,148
2025-02-07Option exercise1,940$0.0035,088
2025-02-07Tax withholding591$141.3534,497
2025-02-07Option exercise2,190$0.0033,791
2025-02-06Grant / award (derivative)14,750$0.0014,750
2024-11-05Gift20,082$0.0020,082
2024-11-05Gift20,082$0.0031,601
2024-02-16Option exercise (derivative)1,614$0.002,012
2024-02-16J (derivative)2,012$0.000
2024-02-16Option exercise (derivative)3,423$0.000
2024-02-16Tax withholding1,656$219.0850,850
2024-02-16Option exercise1,614$0.0052,464
2024-02-16Tax withholding781$219.0851,683
2024-02-16Option exercise3,423$0.0052,506
2024-02-09Option exercise (derivative)2,575$0.002,575
2024-02-09Tax withholding938$240.9849,083
2024-02-09Option exercise2,575$0.0050,021
2024-02-08Option exercise (derivative)2,190$0.004,380
2024-02-08Tax withholding655$240.3047,446
2024-02-08Option exercise2,190$0.0048,101
2024-02-07Grant / award (derivative)5,820$0.005,820
2024-01-29Grant / award (derivative)3,423$0.003,423
2023-02-17J (derivative)1,702$0.003,626
2023-02-17Option exercise (derivative)1,920$0.005,328
2023-02-17Tax withholding929$278.3845,911
2023-02-17Option exercise1,920$0.0046,840
2023-02-10J (derivative)1,770$0.000
2023-02-10Option exercise (derivative)2,575$0.005,150
2023-02-10Option exercise (derivative)1,448$0.001,770
2023-02-10Option exercise1,448$0.0048,358
2023-02-10Tax withholding701$286.3047,657
2023-02-10Tax withholding2,737$286.3044,920
2023-02-10Tax withholding764$286.3046,910
2023-02-10Option exercise2,575$0.0047,674
2023-02-08Grant / award (derivative)6,570$0.006,570
2023-01-25Grant / award5,703$0.0045,099
2022-10-27Open-market sale5,532$280.7039,396
2022-02-18Option exercise (derivative)1,485$0.009,385
2022-02-18J (derivative)2,137$0.007,248
2022-02-18Option exercise1,485$0.0045,587
2022-02-18Tax withholding659$209.7944,928
2022-02-12J (derivative)2,190$0.000
2022-02-12Option exercise (derivative)1,154$0.002,190
2022-02-12Option exercise (derivative)1,126$0.005,308
2022-02-12J (derivative)2,090$0.003,218
2022-02-12Option exercise1,126$0.0045,646
2022-02-12Tax withholding500$214.5945,146
2022-02-12Tax withholding1,044$214.5944,102
2022-02-12Tax withholding512$214.5944,520
2022-02-12Option exercise1,154$0.0045,032
2022-02-10Grant / award (derivative)7,725$0.007,725
2022-01-19Grant / award2,825$0.0043,878
2021-08-09Gift523$0.0041,053
2021-02-18Grant / award (derivative)10,870$0.0010,870
2021-02-12Option exercise (derivative)1,586$0.001,788
2021-02-12J (derivative)1,788$0.000
2021-02-12J (derivative)1,936$0.004,746
2021-02-12Option exercise (derivative)1,367$0.006,434
2021-02-12J (derivative)1,849$0.007,801
2021-02-12Option exercise (derivative)1,402$0.003,344
2021-02-12Tax withholding607$278.0341,576
2021-02-12Option exercise1,402$0.0042,142
2021-02-12Option exercise1,586$0.0040,740
2021-02-12Tax withholding1,963$278.0339,154
2021-02-12Tax withholding622$278.0342,183
2021-02-12Tax withholding704$278.0342,805
2021-02-12Option exercise1,367$0.0043,509
2021-01-27Grant / award4,545$0.0041,117
2020-02-15Option exercise (derivative)1,553$0.001,171
2020-02-15J (derivative)1,171$0.000
2020-02-15Option exercise1,553$0.0037,261
2020-02-15Tax withholding689$333.0036,572
2020-02-12Option exercise (derivative)1,535$0.008,485
2020-02-12Option exercise (derivative)2,697$0.000
2020-02-12J (derivative)1,803$0.006,682
2020-02-12Option exercise (derivative)1,735$0.005,007
2020-02-12Grant / award (derivative)9,650$0.009,650
2020-02-12J (derivative)1,633$0.003,374
2020-02-12Option exercise1,535$0.0036,389
2020-02-12Tax withholding681$331.7635,708
2020-02-12Tax withholding798$331.7634,854
2020-02-12Option exercise2,697$0.0035,652
2020-02-12Tax withholding756$331.7632,955
2020-02-12Option exercise1,735$0.0033,711
2019-02-22J (derivative)819$0.000
2019-02-22Option exercise (derivative)1,663$0.00819
2019-02-22Option exercise (derivative)6,395—0
2019-02-22Option exercise6,395$48.5236,085
2019-02-22Option exercise1,663$0.0029,690
2019-02-22Tax withholding3,370$325.3332,715
2019-02-22Tax withholding739$325.3331,976
2019-02-15J (derivative)1,033$0.002,724
2019-02-15Option exercise (derivative)1,685$0.003,757
2019-02-15Tax withholding749$332.8728,027
2019-02-15Option exercise1,685$0.0028,776
2019-02-12Grant / award (derivative)10,020$0.0010,020
2019-02-12Option exercise (derivative)1,920$0.008,190
2019-02-12Option exercise (derivative)1,348$0.002,697
2019-02-12J (derivative)1,448$0.006,742
2019-02-12Tax withholding619$319.4327,091
2019-02-12Option exercise1,348$0.0026,192
2019-02-12Tax withholding402$319.4325,790
2019-02-12Option exercise1,920$0.0027,710
2018-02-23Option exercise (derivative)857$0.001,091
2018-02-23J (derivative)1,091$0.000
2018-02-23Option exercise857$0.0025,225
2018-02-23Tax withholding381$292.7824,844
2018-02-22J (derivative)843$0.002,482
2018-02-22Option exercise (derivative)1,635$0.003,325
2018-02-22Tax withholding727$284.8124,368
2018-02-22Option exercise1,635$0.0025,095
2018-02-15J (derivative)1,006$0.005,442
2018-02-15Option exercise (derivative)1,712$0.006,448
2018-02-15Tax withholding510$299.3823,460
2018-02-15Option exercise1,712$0.0023,970
2018-02-12Grant / award (derivative)10,110$0.0010,110
2018-02-12Grant / award (derivative)4,045$0.004,045
2017-07-25Open-market sale4,974$290.0122,258
2017-07-19Open-market sale7,758$285.0027,232
2017-02-28Option exercise (derivative)2,197$0.001
2017-02-28Option exercise (derivative)1,259$0.000
2017-02-28J (derivative)1$0.000
2017-02-28Option exercise (derivative)1,375$0.004,960
2017-02-28Option exercise (derivative)728$0.001,948
2017-02-28J (derivative)1,216$0.002,676
2017-02-28J (derivative)1,103$0.006,335
2017-02-28J (derivative)1,477$0.001,259
2017-02-28Option exercise1,259$0.0034,420
2017-02-28Option exercise1,375$0.0033,608
2017-02-28Tax withholding335$284.7532,233
2017-02-28Option exercise728$0.0032,568
2017-02-28Tax withholding593$274.7633,827
2017-02-28Option exercise2,197$0.0036,024
2017-02-28Tax withholding1,034$274.7634,990
2017-02-28Tax withholding447$287.6333,161
2017-02-15Grant / award (derivative)8,160$0.008,160
2016-02-23Option exercise (derivative)636$0.005,064
2016-02-23J (derivative)1,262$0.003,802
2016-02-23Tax withholding300$258.9931,840
2016-02-23Option exercise636$0.0032,140
2016-02-22Grant / award (derivative)7,270$0.007,270
2016-02-12Option exercise (derivative)1,147$0.004,195
2016-02-12Option exercise (derivative)2,142$0.002,147
2016-02-12J (derivative)1,521$0.002,674
2016-02-12Tax withholding540$247.2230,150
2016-02-12Option exercise2,142$0.0032,292
2016-02-12Option exercise1,147$0.0030,690
2016-02-12Tax withholding788$247.2231,504
2016-02-08Option exercise (derivative)2,498$0.000
2016-02-08Option exercise2,498$0.0030,365
2016-02-08Tax withholding822$250.7729,543
2015-02-23Grant / award (derivative)5,700$0.005,700
2015-02-12Option exercise (derivative)1,627$0.006,383
2015-02-12J (derivative)1,041$0.005,342
2015-02-12Option exercise (derivative)2,142$0.004,289
2015-02-12Tax withholding1,009$392.1127,007
2015-02-12Option exercise1,627$0.0028,634
2015-02-12Tax withholding767$392.1127,867
2015-02-12Option exercise2,142$0.0028,016
2015-02-09Option exercise (derivative)3,909$0.000
2015-02-09Tax withholding1,842$396.8825,874
2015-02-09Option exercise3,909$0.0027,716
2015-02-08Option exercise (derivative)2,498$0.002,498
2015-02-08Tax withholding818$402.0023,807
2015-02-08Option exercise2,498$0.0024,625
2014-02-23Option exercise (derivative)3,821$0.000
2014-02-23Option exercise3,821$0.0023,930
2014-02-23Tax withholding1,803$347.1122,127
2014-02-12Grant / award (derivative)8,010$0.008,010
2014-02-12Option exercise (derivative)2,142$0.006,431
2014-02-12Tax withholding1,010$323.0420,109
2014-02-12Option exercise2,142$0.0021,119
2014-02-09Option exercise (derivative)3,909$0.003,909
2014-02-09Tax withholding1,746$315.5418,977
2014-02-09Option exercise3,909$0.0020,723
2014-02-08Option exercise (derivative)2,498$0.004,996
2014-02-08Tax withholding819$315.5416,814
2014-02-08Option exercise2,498$0.0017,633
2013-02-23Option exercise (derivative)3,821$0.003,821
2013-02-23Tax withholding1,803$164.4015,135
2013-02-23Option exercise3,821$0.0016,938
2013-02-12Grant / award (derivative)8,573$0.008,573
2013-02-09Option exercise (derivative)3,909$0.007,818
2013-02-09Option exercise3,909$0.0014,392
2013-02-09Tax withholding1,275$164.4413,117
2013-02-08Option exercise (derivative)2,165$0.007,827
2013-02-08J (derivative)333$0.007,494
2013-02-08Tax withholding702$164.4410,483
2013-02-08Option exercise2,165$0.0011,185
2012-08-02Open-market sale1,165$142.999,020
2012-07-27Option exercise (derivative)18,750$0.006,250
2012-07-27Option exercise (derivative)39,320$0.000
2012-07-27Option exercise18,750$49.6568,255
2012-07-27Open-market sale58,070$150.0010,185
2012-07-27Option exercise39,320$60.5649,505
2012-06-15Option exercise (derivative)29,800$0.000
2012-06-15Option exercise29,800$49.3159,985
2012-06-15Option exercise20,000$45.7230,185
2012-06-15Open-market sale49,800$140.0010,185
2012-05-02Option exercise (derivative)20,000$0.000
2012-05-02Open-market sale20,000$135.0010,185
2012-05-02Option exercise20,000$44.7330,185
2012-04-25Option exercise (derivative)16,764$0.0020,000
2012-04-25Open-market sale16,764$130.0010,185
2012-04-25Option exercise16,764$44.7326,949
2012-04-04Option exercise (derivative)3,236$0.0036,764
2012-04-04Option exercise3,236$44.7313,421
2012-04-04Open-market sale3,236$130.0010,185
2012-02-27Open-market sale2,138$115.4312,302
2012-02-27Open-market sale2,117$115.4310,185
2012-02-24Tax withholding1,307$116.3914,440
2012-02-24Tax withholding1,294$116.3915,747
2012-02-24Open-market sale1,739$115.5317,447
2012-02-24Open-market sale406$115.5317,041
2012-02-23Option exercise (derivative)3,822$0.007,642
2012-02-23Tax withholding1,413$116.7019,186
2012-02-23Option exercise3,822$0.0020,599
2012-02-13Open-market sale2,842$118.0116,777
2012-02-09Option exercise (derivative)3,911$0.0011,727
2012-02-09Option exercise3,911$0.0020,876
2012-02-09Tax withholding1,257$117.7819,619
2012-02-08Grant / award (derivative)9,992$0.009,992
2011-08-02Open-market sale1,165$102.0416,965
2011-08-01Tax withholding835$102.9018,130
2011-05-02Open-market sale5,100$97.0221,865
2011-05-02Open-market sale3,177$96.9029,781
2011-05-02Open-market sale2,816$97.5226,965
2011-05-02Open-market sale2,876$97.5432,958
2011-05-02Open-market sale4,124$96.9735,834
2011-05-02Open-market sale2,900$97.5218,965
2011-02-24Tax withholding995$67.2639,958
2011-02-24Tax withholding985$67.2640,953
2011-02-23J (derivative)678$0.0011,464
2011-02-23Option exercise (derivative)596$0.0012,142
2011-02-23Option exercise (derivative)2,548$0.0012,738
2011-02-23Option exercise2,548$0.0042,341
2011-02-23Option exercise596$0.0042,937
2011-02-23Tax withholding190$66.7641,938
2011-02-23Tax withholding809$66.7642,128
2011-02-12Tax withholding1,515$65.8339,793
2011-02-09Grant / award (derivative)15,638$0.0015,638
2010-08-01Tax withholding835$55.8841,308
2010-02-24Tax withholding996$55.2942,143
2010-02-24Grant / award9,306$0.0044,124
2010-02-24Tax withholding985$55.2943,139
2010-02-23Grant / award (derivative)15,286$0.0015,286
2010-02-12Tax withholding1,270$55.2136,304
2010-02-12Tax withholding1,486$55.2134,818
2009-08-01Tax withholding835$47.5537,574
2009-02-24Grant / award (derivative)25,000$0.0025,000
2009-02-24Grant / award9,400$0.0038,409
2009-02-15Option exercise (derivative)2,666$0.000
2009-02-15Tax withholding847$52.4227,792
2009-02-15Option exercise2,666$0.0028,639
2009-02-12Tax withholding1,486$52.6127,190
2009-02-12Tax withholding1,217$52.6125,973
2009-01-30Option exercise (derivative)3,333$0.000
2009-01-30Option exercise3,333$0.0031,039
2009-01-30Tax withholding1,146$48.6529,893
2008-08-01Grant / award6,000$0.0027,706
2008-07-22Open-market sale2,000$70.0021,706
2008-07-08Open-market sale8,599$60.0023,706
2008-02-15Option exercise (derivative)2,667$0.002,666
2008-02-15Tax withholding847$62.2032,305
2008-02-15Option exercise2,667$0.0033,152
2008-02-12Grant / award (derivative)39,320$0.0039,320
2008-02-12Tax withholding1,271$60.5616,445
2008-02-12Grant / award14,040$0.0030,485
2008-01-30Option exercise (derivative)3,333$0.003,333
2008-01-30Option exercise3,333$0.0018,845
2008-01-30Tax withholding1,129$60.0017,716
2007-02-15Disposition to issuer (derivative)2,667$0.005,333
2007-02-15Option exercise2,667$0.0016,359
2007-02-15Tax withholding847$48.0015,512
2007-02-12Grant / award (derivative)29,800—29,800
2007-02-12Grant / award11,500$0.0013,692
2007-01-30Disposition to issuer (derivative)3,334—6,666
2007-01-30Option exercise3,334$0.003,334
2007-01-30Tax withholding1,142$48.052,192
2006-02-15Grant / award (derivative)20,000—20,000
2006-02-15Grant / award (derivative)8,000—8,000
2006-02-14Grant / award (derivative)20,000—20,000
2006-02-14Grant / award (derivative)8,000—8,000
2006-01-30Grant / award (derivative)10,000—10,000
2006-01-30Grant / award (derivative)40,000—40,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.