SEC CIK 1634069

Siebert Kevin Christopher

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

Current Positions

CompanyShares OwnedAs Of
VIAVview stock →71,6542026-09-22

Position History — VIAV

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

033,61367,225100,8382015-032016-082018-022019-052021-082023-092026-092026-09

Recent Filings — VIAV

DateActivitySharesPriceOwned After
2026-09-22Option exercise (derivative)17,256$0.0023,012
2026-09-22Option exercise (derivative)23,148$0.0015,432
2026-09-22Option exercise (derivative)15,909$0.000
2026-09-22Tax withholding7,783$36.4071,654
2026-09-22Option exercise17,256$0.0079,437
2026-09-22Tax withholding10,440$36.4062,181
2026-09-22Option exercise23,148$0.0072,621
2026-09-22Tax withholding7,175$36.4049,473
2026-09-22Option exercise15,909$0.0056,648
2026-08-28Grant / award (derivative)9,296$0.009,296
2026-08-28Grant / award (derivative)9,296$0.009,296
2026-08-28Option exercise (derivative)11,506$0.0023,010
2026-08-28Option exercise (derivative)15,432$0.0015,432
2026-08-28Option exercise (derivative)10,606$0.000
2026-08-28Tax withholding5,190$36.5440,739
2026-08-28Option exercise11,506$0.0045,929
2026-08-28Tax withholding6,960$36.5434,423
2026-08-28Option exercise15,432$0.0041,383
2026-08-28Tax withholding4,784$36.5425,951
2026-08-28Option exercise10,606$0.0030,735
2026-05-04Open-market sale8,255$54.0220,129
2026-03-02Open-market sale7,264$34.7828,384
2026-02-02Open-market sale13,577$25.7235,648
2025-12-08Open-market sale24,225$18.2649,225
2025-11-03Open-market sale11,148$17.2973,450
2025-09-25Open-market sale9,927$12.1784,598
2025-09-23Option exercise (derivative)4,623$0.000
2025-09-23Option exercise (derivative)9,580$0.0010,606
2025-09-23Option exercise (derivative)19,752$0.0030,864
2025-09-23Tax withholding6,313$12.4194,525
2025-09-23Option exercise19,752$0.00100,838
2025-09-23Tax withholding2,884$12.4181,086
2025-09-23Option exercise9,580$0.0083,970
2025-09-23Tax withholding1,392$12.4174,390
2025-09-23Option exercise4,623$0.0075,782
2025-08-29Open-market sale13,115$11.1871,159
2025-08-28Option exercise (derivative)8,158$0.000
2025-08-28Grant / award (derivative)34,516$0.0034,516
2025-08-28Grant / award (derivative)34,516$0.0034,516
2025-08-28Option exercise (derivative)15,432$0.0030,864
2025-08-28Option exercise (derivative)10,606$0.0010,606
2025-08-28Option exercise15,432$0.0088,920
2025-08-28Tax withholding4,646$11.2784,274
2025-08-28Option exercise10,606$0.0076,681
2025-08-28Tax withholding2,456$11.2766,075
2025-08-28Tax withholding3,193$11.2773,488
2025-08-28Option exercise8,158$0.0068,531
2025-03-03Open-market sale13,499$11.2460,373
2025-02-28Option exercise (derivative)20,000$0.000
2025-02-28Tax withholding6,501$11.1873,872
2025-02-28Option exercise20,000$0.0080,373
2024-09-26Open-market sale2,671$8.8660,373
2024-09-24Option exercise (derivative)3,529$0.000
2024-09-24Option exercise (derivative)1,250$0.006,919
2024-09-24Option exercise (derivative)4,419$0.0016,317
2024-09-24Tax withholding1,063$8.7359,083
2024-09-24Option exercise3,529$0.0060,146
2024-09-24Option exercise1,250$0.0060,333
2024-09-24Tax withholding377$8.7359,956
2024-09-24Option exercise4,419$0.0064,375
2024-09-24Tax withholding1,331$8.7363,044
2024-08-29Open-market sale8,432$8.6356,617
2024-08-28Option exercise (derivative)8,158$0.008,158
2024-08-28Option exercise (derivative)6,920$0.000
2024-08-28Grant / award (derivative)46,296$0.0046,296
2024-08-28Grant / award (derivative)46,296$0.0046,296
2024-08-28Option exercise (derivative)10,606$0.0021,212
2024-08-28Option exercise10,606$0.0068,242
2024-08-28Tax withholding2,456$8.4957,636
2024-08-28Option exercise8,158$0.0060,092
2024-08-28Option exercise6,920$0.0054,017
2024-08-28Tax withholding3,193$8.4965,049
2024-08-28Tax withholding2,083$8.4951,934
2024-03-11Open-market sale13,967$10.7047,097
2023-09-28Open-market sale13,179$9.0861,064
2023-09-26Option exercise (derivative)8,269$0.006,920
2023-09-26Option exercise (derivative)4,676$0.0016,316
2023-09-26Option exercise (derivative)10,625$0.000
2023-09-26Option exercise4,676$0.0075,651
2023-09-26Tax withholding2,489$8.8870,975
2023-09-26Option exercise10,625$0.0068,394
2023-09-26Tax withholding3,199$8.8865,195
2023-09-26Option exercise8,269$0.0073,464
2023-09-26Tax withholding1,408$8.8874,243
2023-08-30Open-market sale12,994$10.5057,769
2023-08-28Grant / award (derivative)31,818$0.0031,818
2023-08-28Grant / award (derivative)31,818$0.0031,818
2023-08-28Option exercise (derivative)8,158$0.000
2023-08-28Option exercise (derivative)8,159$0.0016,316
2023-08-28Option exercise (derivative)6,920$0.006,920
2023-08-28Tax withholding2,456$10.2170,763
2023-08-28Option exercise8,159$0.0073,219
2023-08-28Tax withholding2,083$10.2165,060
2023-08-28Option exercise6,920$0.0067,143
2023-08-28Tax withholding2,456$10.2160,223
2023-08-28Option exercise8,158$0.0062,679
2022-09-23Open-market sale17,777$13.0354,521
2022-09-22Option exercise (derivative)11,829$0.008,158
2022-09-22Option exercise (derivative)9,022$0.000
2022-09-22Option exercise (derivative)10,103$0.0013,839
2022-09-22Tax withholding2,851$13.2972,298
2022-09-22Option exercise11,829$0.0068,383
2022-09-22Option exercise9,022$0.0059,100
2022-09-22Option exercise10,103$0.0075,149
2022-09-22Tax withholding3,337$13.2965,046
2022-09-22Tax withholding2,546$13.2956,554
2022-08-31Open-market sale9,601$14.1950,078
2022-08-28Grant / award (derivative)24,475$0.0024,475
2022-08-28Grant / award (derivative)24,475$0.0024,475
2022-08-28Option exercise (derivative)6,919$0.0013,840
2022-08-28Option exercise (derivative)8,158$0.008,158
2022-08-28Option exercise (derivative)2,094$0.000
2022-08-28Option exercise8,158$0.0057,299
2022-08-28Option exercise6,919$0.0061,762
2022-08-28Tax withholding2,456$14.5554,843
2022-08-28Tax withholding2,083$14.5559,679
2022-08-28Tax withholding631$14.5549,141
2022-08-28Option exercise2,094$0.0049,772
2022-06-01Open-market sale1,170$14.5840,765
2022-05-28Option exercise (derivative)2,094$0.006,282
2022-05-28Tax withholding631$14.8244,660
2022-05-28Option exercise2,094$0.0045,291
2022-03-02Open-market sale1,082$16.0247,385
2022-02-28Option exercise (derivative)2,094$0.004,188
2022-02-28Option exercise2,094$0.0049,209
2022-02-28Tax withholding742$16.4048,467
2021-12-01Open-market sale1,170$15.0547,115
2021-11-28Option exercise (derivative)2,093$0.006,282
2021-11-28Tax withholding630$15.1548,285
2021-11-28Option exercise2,093$0.0048,915
2021-09-29Open-market sale11,595$15.6146,822
2021-09-23Option exercise (derivative)3,083—8,334
2021-09-23Option exercise (derivative)6,797—16,316
2021-09-23Option exercise (derivative)10,855—0
2021-09-23Option exercise3,083—54,594
2021-09-23Option exercise6,797—60,463
2021-09-23Tax withholding928$15.6953,666
2021-09-23Tax withholding2,046$15.6958,417
2021-09-23Tax withholding3,268$15.6951,511
2021-09-23Option exercise10,855—54,779
2021-09-01Open-market sale6,901$16.3243,924
2021-08-28Grant / award (derivative)20,759$0.0020,759
2021-08-28Grant / award (derivative)20,759$0.0020,759
2021-08-28Option exercise (derivative)8,157$0.0016,316
2021-08-28Option exercise (derivative)2,094$0.008,375
2021-08-28Option exercise (derivative)2,094$0.000
2021-08-28Tax withholding631$16.6743,661
2021-08-28Tax withholding631$16.6745,124
2021-08-28Option exercise2,094$0.0045,755
2021-08-28Option exercise8,157$0.0053,281
2021-08-28Option exercise2,094$0.0044,292
2021-08-28Tax withholding2,456$16.6750,825
2021-06-02Open-market sale2,340$17.3942,198
2021-05-28Option exercise (derivative)2,094$0.0010,469
2021-05-28Option exercise (derivative)2,094$0.002,094
2021-05-28Option exercise2,094$0.0043,706
2021-05-28Tax withholding631$17.5343,075
2021-05-28Option exercise2,094$0.0045,169
2021-05-28Tax withholding631$17.5344,538
2021-03-02Open-market sale2,164$16.4941,612
2021-02-28Grant / award (derivative)20,000$0.0020,000
2021-02-28Option exercise (derivative)2,094$0.0012,563
2021-02-28Grant / award (derivative)20,000$0.0020,000
2021-02-28Option exercise (derivative)2,094$0.004,188
2021-02-28Tax withholding742$16.1943,776
2021-02-28Option exercise2,094$0.0044,518
2021-02-28Tax withholding742$16.1942,424
2021-02-28Option exercise2,094$0.0043,166
2020-12-01Open-market sale2,340$13.6441,072
2020-11-28Option exercise (derivative)2,093$0.006,282
2020-11-28Option exercise (derivative)2,093$0.0014,657
2020-11-28Tax withholding1,260$13.9643,412
2020-11-28Option exercise4,186$0.0044,672
2020-09-28Open-market sale15,315$11.8640,486
2020-09-25Option exercise (derivative)5,777$0.0016,667
2020-09-25Option exercise (derivative)12,500$0.008,334
2020-09-25Option exercise (derivative)9,112$0.000
2020-09-25Option exercise27,389$0.0064,046
2020-09-25Tax withholding8,245$11.5655,801
2020-09-02Open-market sale6,813$13.1337,476
2020-08-28Option exercise (derivative)1,843$0.000
2020-08-28Option exercise (derivative)2,094$0.008,375
2020-08-28Option exercise (derivative)8,250$0.0016,750
2020-08-28Grant / award (derivative)24,473$0.0024,473
2020-08-28Grant / award (derivative)24,473$0.0024,473
2020-08-28Option exercise12,187$0.0047,959
2020-08-28Tax withholding3,670$13.2144,289
2020-06-02Open-market sale2,200$12.3735,772
2020-05-28Option exercise (derivative)1,842$0.001,843
2020-05-28Option exercise (derivative)2,094$0.0010,469
2020-05-28Tax withholding631$11.5237,972
2020-05-28Option exercise2,094$0.0038,603
2020-05-28Tax withholding555$11.5236,509
2020-05-28Option exercise1,842$0.0037,064
2020-03-03Open-market sale2,034$13.5135,222
2020-02-28Option exercise (derivative)2,094$0.0012,563
2020-02-28Option exercise (derivative)1,843$0.003,685
2020-02-28Tax withholding1,395$13.1937,256
2020-02-28Option exercise3,937$0.0038,651
2019-12-03Open-market sale2,200$14.4334,714
2019-11-28Option exercise (derivative)1,842$0.005,528
2019-11-28Option exercise (derivative)2,093$0.0014,657
2019-11-28Option exercise3,935$0.0038,099
2019-11-28Tax withholding1,185$15.2136,914
2019-09-30Open-market sale12,662$14.0334,164
2019-09-26Option exercise (derivative)10,001$0.000
2019-09-26Option exercise (derivative)12,500$0.0016,667
2019-09-26Option exercise (derivative)10,450$0.007,334
2019-09-26Tax withholding14,862$14.2446,826
2019-09-26Option exercise32,951$0.0061,688
2019-08-30Open-market sale4,938$13.7928,737
2019-08-28Grant / award (derivative)25,000$0.0025,000
2019-08-28Option exercise (derivative)8,250$0.0016,750
2019-08-28Grant / award (derivative)25,000$0.0025,000
2019-08-28Option exercise (derivative)1,843$0.007,370
2019-08-28Option exercise10,093$0.0036,714
2019-08-28Tax withholding3,039$13.6433,675
2019-08-20Open-market sale819$14.2726,621
2019-08-17Option exercise (derivative)1,675$0.000
2019-08-17Tax withholding505$13.7727,440
2019-08-17Option exercise1,675$0.0027,945
2019-05-31Open-market sale901$12.1026,270
2019-05-28Option exercise (derivative)1,842$0.009,213
2019-05-28Tax withholding555$12.1227,171
2019-05-28Option exercise1,842$0.0027,726
2019-05-21Open-market sale819$12.6825,884
2019-05-17Option exercise (derivative)1,675$0.001,675
2019-05-17Option exercise1,675$0.0027,208
2019-05-17Tax withholding505$12.8026,703
2019-03-04Open-market sale833$13.2325,533
2019-02-28Option exercise (derivative)1,843$0.0011,055
2019-02-28Tax withholding653$13.1326,366
2019-02-28Option exercise1,843$0.0027,019
2019-02-20Open-market sale757$13.1525,176
2019-02-17Option exercise (derivative)1,675$0.003,350
2019-02-17Tax withholding593$12.8025,933
2019-02-17Option exercise1,675$0.0026,526
2018-11-30Open-market sale901$10.0024,851
2018-11-28Option exercise (derivative)1,842$0.0012,898
2018-11-28Option exercise1,842$0.0026,307
2018-11-28Tax withholding555$9.9125,752
2018-11-20Open-market sale819$9.3424,465
2018-11-17Option exercise (derivative)1,675$0.005,025
2018-11-17Option exercise1,675$0.0025,789
2018-11-17Tax withholding505$9.9925,284
2018-10-04Open-market sale14,259$12.5624,114
2018-09-28Option exercise (derivative)7,259$0.0014,667
2018-09-28Option exercise (derivative)8,883$0.006,667
2018-09-28Option exercise (derivative)13,000$0.000
2018-09-28Tax withholding3,913$11.3427,090
2018-09-28Option exercise8,883$0.0035,973
2018-09-28Tax withholding2,674$11.3433,299
2018-09-28Option exercise7,259$0.0040,558
2018-09-28Tax withholding2,185$11.3438,373
2018-09-28Option exercise13,000$0.0031,003
2018-08-28Option exercise (derivative)7,260$0.0014,740
2018-08-28Grant / award (derivative)25,000$0.0025,000
2018-08-28Option exercise7,260$0.0020,189
2018-08-28Tax withholding2,186$11.4818,003
2018-08-23Open-market sale1,065$11.3012,929
2018-08-21Open-market sale819$11.0236,657
2018-08-20Option exercise (derivative)2,178$0.000
2018-08-20Tax withholding2,178$0.0014,650
2018-08-20Tax withholding656$11.0113,994
2018-08-17Option exercise (derivative)1,675$0.006,700
2018-08-17Option exercise1,675$0.0012,977
2018-08-17Tax withholding505$11.0312,472
2018-05-23Open-market sale1,065$10.0811,302
2018-05-21Open-market sale819$10.0812,367
2018-05-20Option exercise (derivative)2,177$0.002,178
2018-05-20Option exercise2,177$0.0013,842
2018-05-20Tax withholding656$10.0713,186
2018-05-17Option exercise (derivative)1,675$0.008,375
2018-05-17Tax withholding505$10.1011,665
2018-05-17Option exercise1,675$0.0012,170
2018-02-22Open-market sale1,079$9.7311,325
2018-02-22Open-market sale830$9.7310,495
2018-02-21Open-market sale5,506$9.8112,404
2018-02-20Option exercise (derivative)2,178$0.004,355
2018-02-20Option exercise (derivative)1,675$0.0010,050
2018-02-20Tax withholding489$9.8617,910
2018-02-20Option exercise1,675$0.0018,399
2018-02-20Option exercise2,178$0.0017,360
2018-02-20Tax withholding636$9.8616,724
2018-02-15Option exercise (derivative)11,935$0.000
2018-02-15Tax withholding4,070$9.7015,182
2018-02-15Option exercise11,935$0.0019,252
2017-11-28Open-market sale1,012$9.197,317
2017-11-20Option exercise (derivative)2,177$0.006,533
2017-11-20Option exercise2,177$0.009,839
2017-11-20Tax withholding732$8.949,107
2017-11-20Open-market sale778$8.788,329
2017-11-17Option exercise (derivative)1,675$0.0011,725
2017-11-17Option exercise1,675$0.008,225
2017-11-17Tax withholding563$8.797,662
2017-09-29Open-market sale10,689$9.406,550
2017-09-28Option exercise (derivative)9,999$0.0013,334
2017-09-28Option exercise (derivative)13,000$0.008,667
2017-09-28Option exercise13,000$0.0014,968
2017-09-28Tax withholding4,368$9.4510,600
2017-09-28Option exercise9,999$0.0020,599
2017-09-28Tax withholding3,360$9.4517,239
2017-08-28Grant / award (derivative)22,000$0.0022,000
2017-08-21Open-market sale1,524$10.031,968
2017-08-20Option exercise (derivative)2,178$0.008,710
2017-08-20Option exercise (derivative)1,102$0.000
2017-08-20Option exercise2,178$0.003,493
2017-08-20Tax withholding732$10.092,761
2017-08-20Tax withholding371$10.093,492
2017-08-20Option exercise1,102$0.003,863
2017-08-18Open-market sale3,067$10.161,315
2017-08-17Option exercise (derivative)6,600$0.0013,400
2017-08-17Tax withholding2,218$10.224,382
2017-08-17Option exercise6,600$0.006,600
2017-05-22Option exercise (derivative)2,177$0.0010,888
2017-05-22Option exercise (derivative)1,102$0.001,102
2017-05-22Option exercise1,102$0.002,547
2017-05-22Tax withholding371$10.952,176
2017-05-22Open-market sale2,176$10.960
2017-05-22Tax withholding732$10.951,445
2017-05-22Option exercise2,177$0.002,177
2017-02-21Option exercise (derivative)1,100$0.002,204
2017-02-21Option exercise (derivative)2,178$0.0013,065
2017-02-21Tax withholding732$10.711,446
2017-02-21Tax withholding370$10.712,176
2017-02-21Option exercise1,100$0.002,546
2017-02-21Open-market sale2,176$10.660
2017-02-21Option exercise2,178$0.002,178
2017-02-16Open-market sale10,500$10.770
2017-02-15Option exercise (derivative)11,935$0.0011,935
2017-02-15Option exercise (derivative)4,475$0.000
2017-02-15Option exercise4,475$0.004,475
2017-02-15Tax withholding1,741$10.762,734
2017-02-15Option exercise11,935$0.0014,669
2017-02-15Tax withholding4,169$10.7610,500
2016-11-22Open-market sale2,193$7.890
2016-11-21Option exercise (derivative)2,177$0.0015,243
2016-11-21Option exercise (derivative)1,102$0.003,304
2016-11-21Option exercise1,102$0.002,558
2016-11-21Tax withholding365$7.942,193
2016-11-21Tax withholding721$7.941,456
2016-11-21Option exercise2,177$0.002,177
2016-09-30Open-market sale8,696$7.310
2016-09-29Option exercise (derivative)12,999$0.0017,334
2016-09-29Option exercise12,999$0.0012,999
2016-09-29Tax withholding4,303$7.268,696
2016-08-22Open-market sale6,938$7.730
2016-08-20Option exercise (derivative)691$0.000
2016-08-20Option exercise (derivative)1,100$0.004,406
2016-08-20Option exercise (derivative)8,580$0.0017,420
2016-08-20Tax withholding364$7.771,198
2016-08-20Tax withholding229$7.77462
2016-08-20Option exercise8,580$0.009,778
2016-08-20Tax withholding2,840$7.776,938
2016-08-20Option exercise1,100$0.001,562
2016-08-20Option exercise691$0.00691
2016-08-18Open-market sale2,558$7.760
2016-08-17Grant / award (derivative)20,000$0.0020,000
2016-08-17Grant / award (derivative)30,000$0.0030,000
2016-05-23Open-market sale753$6.352,558
2016-05-23Open-market sale471$6.353,311
2016-05-20Option exercise (derivative)1,102$0.005,506
2016-05-20Option exercise (derivative)689$0.00691
2016-05-20Option exercise1,102$0.004,131
2016-05-20Tax withholding218$6.193,029
2016-05-20Option exercise689$0.003,247
2016-05-20Tax withholding349$6.193,782
2016-02-23Open-market sale677$6.332,558
2016-02-23Open-market sale424$6.333,235
2016-02-20Option exercise (derivative)689$0.001,380
2016-02-20Option exercise (derivative)1,100$0.006,608
2016-02-20Option exercise689$0.003,247
2016-02-20Option exercise1,100$0.004,082
2016-02-20Tax withholding265$6.292,982
2016-02-20Tax withholding423$6.293,659
2016-02-18Open-market sale2,756$6.169,908
2016-02-18Open-market sale7,350$6.162,558
2016-02-15Option exercise (derivative)4,475$0.004,475
2016-02-15Option exercise (derivative)11,933$0.0023,870
2016-02-15Option exercise4,475$0.007,033
2016-02-15Tax withholding4,583$5.9512,664
2016-02-15Tax withholding1,719$5.955,314
2016-02-15Option exercise11,933$0.0017,247
2015-11-23Open-market sale468$6.302,558
2015-11-23Open-market sale748$6.303,026
2015-11-20Option exercise (derivative)1,102$0.007,708
2015-11-20Option exercise (derivative)689$0.002,069
2015-11-20Option exercise689$0.003,247
2015-11-20Tax withholding221$6.283,026
2015-11-20Option exercise1,102$0.004,128
2015-11-20Tax withholding354$6.283,774
2015-08-25Open-market sale505$5.202,558
2015-08-24Option exercise (derivative)750$0.000
2015-08-24Option exercise750$0.006,696
2015-08-24Open-market sale3,388$5.193,063
2015-08-24Tax withholding245$5.356,451
2015-08-21Option exercise (derivative)691$0.002,758
2015-08-21Option exercise (derivative)4,341$0.008,810
2015-08-21Tax withholding1,419$5.425,946
2015-08-21Option exercise691$0.003,249
2015-08-21Option exercise4,341$0.007,365
2015-08-21Tax withholding225$5.423,024
2015-08-20Grant / award (derivative)26,000$0.0026,000
2015-08-20Grant / award (derivative)39,000$0.0039,000
2015-05-22Option exercise (derivative)419$0.00419
2015-05-22Tax withholding138$12.792,558
2015-05-22Option exercise419$0.002,696
2015-05-20Option exercise (derivative)385$0.001,927
2015-05-20Tax withholding126$12.632,277
2015-05-20Option exercise385$0.002,403
2015-05-11Open-market sale2,450$12.642,018
2015-03-01———4,468

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