SEC CIK 1558645

Kohn Leslie

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

Current Positions

CompanyShares OwnedAs Of
AMBAview stock →977,4282025-09-17

Position History — AMBA

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

0469,629939,2591,408,8882012-102014-052015-012017-092020-112021-062025-032025-09

Recent Filings — AMBA

DateActivitySharesPriceOwned After
2025-09-17Open-market sale2,249$79.43977,428
2025-06-17Open-market sale1,715$52.26979,677
2025-03-18Open-market sale1,584$55.02981,392
2025-03-06Open-market sale2,316$55.11982,976
2025-03-05Grant / award6,056$0.00985,292
2025-02-28Grant / award (derivative)19,560$0.0019,560
2025-02-28Grant / award19,560$0.00979,236
2024-12-16Open-market sale1,757$75.41959,676
2024-09-17Open-market sale1,608$53.54961,433
2024-06-18Open-market sale1,623$55.48963,041
2024-03-18Open-market sale1,198$49.27964,664
2024-03-08Open-market sale708$57.16965,862
2024-03-07Grant / award1,705$0.00966,570
2024-02-29Grant / award (derivative)24,403$0.0035,409
2024-02-29Grant / award24,403$0.00964,865
2023-12-19Open-market sale1,713$63.04940,462
2023-09-18Open-market sale1,671$57.30942,175
2023-06-20Open-market sale1,682$84.80943,846
2023-06-15Grant / award27,813$0.00945,528
2023-04-03Grant / award (derivative)14,663$0.0014,663
2023-03-17Open-market sale11,881$76.85917,715
2023-03-15Option exercise (derivative)1,185$0.009,481
2023-03-15Option exercise (derivative)32,816$0.000
2023-03-15Option exercise (derivative)2,735$0.000
2023-03-15Option exercise (derivative)917$0.003,669
2023-03-15Option exercise27,736—929,596
2023-03-02Grant / award (derivative)14,663$0.0014,663
2022-12-16Option exercise (derivative)917$0.004,586
2022-12-16Option exercise (derivative)1,185$0.0010,666
2022-12-16Option exercise (derivative)2,735$0.002,735
2022-12-16Open-market sale2,455$83.77901,860
2022-12-16Option exercise4,837—904,315
2022-09-26Open-market sale6,179$58.95899,478
2022-09-16Option exercise (derivative)1,185$0.0011,851
2022-09-16Option exercise (derivative)918$0.005,503
2022-09-16Option exercise (derivative)2,734$0.005,470
2022-09-16Open-market sale2,476$63.25905,657
2022-09-16Option exercise4,837—908,133
2022-06-16Option exercise (derivative)1,185$0.0013,036
2022-06-16Option exercise (derivative)2,735$0.008,204
2022-06-16Option exercise (derivative)917$0.006,421
2022-06-16Option exercise4,837—905,905
2022-06-16Open-market sale2,609$66.25903,296
2022-04-11Grant / award (derivative)14,221$0.0014,221
2022-04-11Grant / award (derivative)14,221$0.0014,221
2022-03-16Option exercise (derivative)2,735$0.0010,939
2022-03-16Option exercise (derivative)917$0.007,338
2022-03-16Option exercise (derivative)35,604$0.000
2022-03-16Option exercise (derivative)2,967$0.000
2022-03-16Open-market sale38,098$91.20901,068
2022-03-16Option exercise77,827—939,166
2022-03-14Open-market sale1,825$84.42861,339
2022-03-08Grant / award5,078$0.00863,164
2021-12-16Option exercise (derivative)2,734$0.0013,674
2021-12-16Option exercise (derivative)2,967$0.002,967
2021-12-16Option exercise (derivative)917$0.008,255
2021-12-16Open-market sale3,644$188.88873,086
2021-12-16Option exercise6,618—876,730
2021-12-08Gift15,000$0.00855,112
2021-12-03Open-market sale3,414$192.69870,112
2021-12-03Option exercise6,619—873,526
2021-09-16Option exercise (derivative)917$0.009,172
2021-09-16Option exercise (derivative)2,967$0.005,934
2021-09-16Option exercise (derivative)2,735$0.0016,408
2021-06-16Option exercise (derivative)917$0.0010,089
2021-06-16Option exercise (derivative)2,735$0.0019,143
2021-06-16Option exercise (derivative)2,967$0.008,901
2021-06-16Option exercise (derivative)4,037$0.000
2021-06-16Option exercise10,656—872,351
2021-06-16Open-market sale5,444$101.39866,907
2021-03-16Option exercise (derivative)2,967$0.0011,868
2021-03-16Option exercise (derivative)2,734$0.0021,878
2021-03-16Option exercise (derivative)4,037$0.004,037
2021-03-16Option exercise (derivative)41,522$0.000
2021-03-16Open-market sale22,417$112.00861,695
2021-03-16Option exercise46,070—884,112
2021-03-09Grant / award2,356$0.00838,906
2021-03-09Open-market sale864$109.70838,042
2021-03-04Grant / award (derivative)11,006$0.0011,006
2021-03-04Grant / award (derivative)11,006$0.0011,006
2021-02-16Open-market sale500$123.29856,050
2021-02-16Open-market sale2,000$124.64854,050
2021-02-16Open-market sale2,052$125.52851,998
2021-02-16Open-market sale1,111$126.72850,887
2021-02-16Open-market sale1,395$127.41849,492
2021-02-16Open-market sale12,942$128.50836,550
2020-12-24Gift7,500$0.00856,550
2020-12-16Option exercise (derivative)2,735$0.0024,612
2020-12-16Option exercise (derivative)2,967$0.0014,835
2020-12-16Option exercise (derivative)4,037$0.008,074
2020-12-16Open-market sale4,970$90.25884,050
2020-12-16Open-market sale12,655$89.72871,395
2020-12-16Open-market sale5,545$90.22865,850
2020-12-16Open-market sale1,400$91.50864,450
2020-12-16Open-market sale400$92.49864,050
2020-12-16Option exercise9,739—889,020
2020-12-04Open-market sale10,000$92.15879,281
2020-12-02Open-market sale34$86.46889,281
2020-12-02Open-market sale4,690$84.86896,815
2020-12-02Open-market sale7,500$85.50889,315
2020-11-27Open-market sale20,000$78.55901,505
2020-11-24Option exercise (derivative)4,369$0.000
2020-11-24Open-market sale1,450$74.11921,505
2020-11-24Option exercise4,369$38.92938,805
2020-11-24Open-market sale4,200$70.75934,605
2020-11-24Open-market sale7,200$72.38927,405
2020-11-24Open-market sale4,450$73.39922,955
2020-11-23Option exercise (derivative)1,800$0.004,369
2020-11-23Option exercise1,800$38.92936,236
2020-11-23Open-market sale1,800$67.50934,436
2020-11-20Option exercise (derivative)900$0.006,169
2020-11-20Option exercise900$38.92935,336
2020-11-20Open-market sale900$66.97934,436
2020-11-17Option exercise (derivative)10,000$0.007,069
2020-11-17Open-market sale10,000$62.00934,436
2020-11-17Option exercise10,000$38.92944,436
2020-11-09Option exercise (derivative)4,445$0.000
2020-11-09Option exercise (derivative)3,331$0.0017,069
2020-11-09Option exercise4,445$8.82938,881
2020-11-09Option exercise3,331$38.92942,212
2020-11-09Open-market sale7,776$62.09934,436
2020-09-16Option exercise (derivative)2,735$0.0027,347
2020-09-16Option exercise (derivative)2,967$0.0017,802
2020-09-16Option exercise (derivative)4,037$0.0012,111
2020-09-16Open-market sale4,891$53.18934,436
2020-09-16Option exercise9,739—939,327
2020-06-17Gift15,000$0.00929,588
2020-06-16Option exercise (derivative)4,037$0.0016,148
2020-06-16Option exercise (derivative)2,967$0.0020,769
2020-06-16Option exercise (derivative)2,734$0.0030,082
2020-06-16Open-market sale4,890$52.13944,588
2020-06-16Option exercise9,738—949,478
2020-03-27Open-market sale2,540$47.81939,740
2020-03-27Grant / award6,713$0.00942,280
2020-03-25Grant / award (derivative)32,816$0.0032,816
2020-03-25Grant / award (derivative)32,816$0.0032,816
2020-03-17Option exercise (derivative)2,967$0.0023,736
2020-03-17Option exercise (derivative)4,037$0.0020,185
2020-03-17Option exercise (derivative)11,199$0.000
2020-03-17Option exercise15,403—942,174
2020-03-17Open-market sale6,607$38.99935,567
2019-12-17Option exercise (derivative)4,037$0.0024,222
2019-12-17Option exercise (derivative)2,967$0.0026,703
2019-12-17Option exercise7,004—930,191
2019-12-17Open-market sale3,420$56.31926,771
2019-09-17Option exercise (derivative)2,614$0.000
2019-09-17Option exercise (derivative)2,967$0.0029,670
2019-09-17Option exercise (derivative)4,037$0.0028,259
2019-09-17Option exercise9,618—929,532
2019-09-17Open-market sale6,345$64.14923,187
2019-06-18Option exercise (derivative)2,613$0.002,614
2019-06-18Option exercise (derivative)2,967$0.0032,637
2019-06-18Option exercise (derivative)4,037$0.0032,296
2019-06-18Option exercise9,617—924,352
2019-06-18Open-market sale4,438$43.06919,914
2019-03-19Option exercise (derivative)2,613$0.005,227
2019-03-19Option exercise (derivative)4,037$0.0036,333
2019-03-19Option exercise6,650—918,306
2019-03-19Open-market sale3,571$43.48914,735
2019-03-07Grant / award (derivative)35,604$0.0035,604
2019-03-07Grant / award (derivative)35,604$0.0035,604
2019-03-04Grant / award (derivative)41,522$0.0041,522
2018-12-18Option exercise (derivative)4,037$0.0040,370
2018-12-18Option exercise (derivative)2,613$0.007,840
2018-12-18Option exercise6,650—916,646
2018-12-18Open-market sale4,990$38.00911,656
2018-09-19Open-market sale6,799$35.46909,996
2018-09-18Option exercise (derivative)2,975$0.000
2018-09-18Option exercise (derivative)4,036$0.0044,407
2018-09-18Option exercise (derivative)2,613$0.0010,453
2018-09-18Option exercise9,624—916,795
2018-06-18Option exercise (derivative)2,613$0.0013,066
2018-06-18Option exercise (derivative)2,975$0.002,975
2018-06-18Open-market sale3,097$43.27907,171
2018-06-18Option exercise5,588—910,268
2018-06-07Grant / award (derivative)48,443$0.0048,443
2018-03-16Option exercise (derivative)2,613$0.0015,679
2018-03-16Option exercise (derivative)2,975$0.005,950
2018-03-16Option exercise5,588—907,740
2018-03-16Open-market sale3,060$53.07904,680
2018-02-26Grant / award (derivative)11,199$0.0011,199
2017-12-18Option exercise (derivative)2,613$0.0018,292
2017-12-18Option exercise (derivative)2,975$0.008,925
2017-12-18Open-market sale4,614$57.69902,152
2017-12-18Option exercise5,588—906,766
2017-09-18Option exercise (derivative)2,975$0.0011,900
2017-09-18Option exercise (derivative)2,613$0.0020,905
2017-09-18Option exercise (derivative)3,500$0.000
2017-09-18Open-market sale6,467$46.50901,178
2017-09-18Option exercise9,088—907,645
2017-06-16Option exercise (derivative)2,613$0.0023,518
2017-06-16Option exercise (derivative)2,975$0.0014,875
2017-06-16Option exercise (derivative)3,500$0.003,500
2017-06-16Open-market sale5,973$48.77898,557
2017-06-16Option exercise9,088—904,530
2017-03-28Grant / award (derivative)26,131$0.0026,131
2017-03-16Option exercise (derivative)2,975$0.0017,850
2017-03-16Option exercise (derivative)3,500$0.007,000
2017-03-16Open-market sale3,662$56.19895,442
2017-03-16Option exercise6,475—899,104
2016-12-16Option exercise (derivative)2,975$0.0020,825
2016-12-16Option exercise (derivative)3,500$0.0010,500
2016-12-16Open-market sale5,083$54.21892,629
2016-12-16Option exercise6,475—897,712
2016-09-16Option exercise (derivative)764$0.000
2016-09-16Option exercise (derivative)3,500$0.0014,000
2016-09-16Option exercise (derivative)2,975$0.0023,800
2016-09-16Open-market sale5,489$67.98891,237
2016-09-16Option exercise7,239—896,726
2016-06-16Option exercise (derivative)764$0.00764
2016-06-16Option exercise (derivative)3,500$0.0017,500
2016-06-16Option exercise (derivative)2,975$0.0026,775
2016-06-16Option exercise7,239—894,162
2016-06-16Open-market sale4,675$51.97889,487
2016-03-16Option exercise (derivative)3,500$0.0021,000
2016-03-16Option exercise (derivative)3,000$0.000
2016-03-16Option exercise (derivative)2,975$0.0029,750
2016-03-16Option exercise (derivative)764$0.001,528
2016-03-16Option exercise10,239—891,176
2016-03-16Open-market sale4,253$37.12886,923
2016-03-07Grant / award31,366$0.00880,937
2015-12-16Option exercise (derivative)3,000$0.003,000
2015-12-16Option exercise (derivative)3,500$0.0024,500
2015-12-16Option exercise (derivative)2,975$0.0032,725
2015-12-16Option exercise (derivative)764$0.002,292
2015-12-16Open-market sale5,890$56.97849,571
2015-12-16Option exercise10,239—855,461
2015-10-08Grant / award14,348$0.00845,222
2015-09-16Option exercise (derivative)764$0.003,056
2015-09-16Option exercise (derivative)2,975$0.0035,700
2015-09-16Option exercise (derivative)3,500$0.0028,000
2015-09-16Option exercise (derivative)3,000$0.006,000
2015-09-16Option exercise10,239—836,289
2015-09-16Open-market sale5,415$70.80830,874
2015-06-16Option exercise (derivative)3,000$0.009,000
2015-06-16Option exercise (derivative)3,500$0.0031,500
2015-06-16Option exercise (derivative)2,975$0.0038,675
2015-06-16Option exercise (derivative)764$0.003,820
2015-06-16Option exercise10,239—831,463
2015-06-16Open-market sale5,413$117.60826,050
2015-03-20Option exercise (derivative)27,552$0.000
2015-03-20Option exercise27,552$2.93861,224
2015-03-20Open-market sale40,000$72.00821,224
2015-03-17Option exercise (derivative)2,975$0.0041,650
2015-03-17Option exercise (derivative)3,500$0.0035,000
2015-03-17Option exercise (derivative)3,000$0.0012,000
2015-03-17Option exercise (derivative)764$0.004,584
2015-03-17Open-market sale3,863$68.22833,672
2015-03-17Option exercise10,239$0.00837,535
2015-03-16Option exercise (derivative)38,519$0.0027,552
2015-03-16Option exercise (derivative)1,481$0.004,445
2015-03-16Option exercise1,481$8.82828,777
2015-03-16Open-market sale990$69.83827,296
2015-03-16Open-market sale39,010$69.22828,286
2015-03-16Option exercise38,519$2.93867,296
2015-01-07Option exercise (derivative)22,817$0.0066,071
2015-01-07Option exercise (derivative)741$0.005,926
2015-01-07Option exercise (derivative)14,442$0.000
2015-01-07Open-market sale38,000$58.00827,296
2015-01-07Option exercise22,817$2.93850,854
2015-01-07Option exercise14,442$3.20865,296
2015-01-07Option exercise741$8.82828,037
2014-12-16Option exercise (derivative)764$0.005,348
2014-12-16Option exercise (derivative)3,500$0.0038,500
2014-12-16Option exercise (derivative)2,975$0.0044,625
2014-12-16Option exercise (derivative)3,000$0.0015,000
2014-12-16Open-market sale5,417$46.15827,296
2014-12-16Option exercise10,239—832,713
2014-12-04Option exercise (derivative)9,259$0.0014,442
2014-12-04Option exercise (derivative)741$0.006,667
2014-12-04Option exercise741$8.82865,215
2014-12-04Open-market sale10,000$58.00864,474
2014-12-04Option exercise9,259$3.20874,474
2014-11-17Option exercise (derivative)741$0.007,408
2014-11-17Option exercise (derivative)19,259$0.0023,701
2014-11-17Option exercise741$8.82884,474
2014-11-17Open-market sale19,900$48.54864,574
2014-11-17Open-market sale100$49.20864,474
2014-11-17Option exercise19,259$3.20883,733
2014-10-22Option exercise (derivative)10,000$0.0042,960
2014-10-22Open-market sale10,000$42.00864,474
2014-10-22Option exercise10,000$3.20874,474
2014-10-15Option exercise (derivative)2,282$0.0052,960
2014-10-15Option exercise (derivative)7,718$0.008,149
2014-10-15Open-market sale950$35.18873,524
2014-10-15Open-market sale8,070$36.89865,454
2014-10-15Open-market sale980$37.67864,474
2014-10-15Option exercise7,718$8.82874,474
2014-10-15Option exercise2,282$3.20866,756
2014-09-23Option exercise (derivative)19,688$0.0015,867
2014-09-23Option exercise (derivative)20,312$0.000
2014-09-23Option exercise40,000$8.82904,474
2014-09-23Open-market sale40,000$42.00864,474
2014-09-16Option exercise (derivative)3,000$0.0018,000
2014-09-16Option exercise (derivative)764$0.006,112
2014-09-16Option exercise3,764—868,355
2014-09-16Open-market sale3,881$33.66864,474
2014-09-15Option exercise (derivative)10,000$0.0020,312
2014-09-15Open-market sale1,800$36.53864,591
2014-09-15Open-market sale8,200$35.55866,391
2014-09-15Option exercise10,000$8.82874,591
2014-09-08Grant / award (derivative)47,600$0.0047,600
2014-09-08Grant / award (derivative)20,400$0.0020,400
2014-08-25Option exercise (derivative)18,576$0.0030,312
2014-08-25Option exercise (derivative)1,424$0.000
2014-08-25Option exercise1,424$3.20866,015
2014-08-25Option exercise18,576$8.82883,167
2014-08-25Open-market sale18,576$32.00864,591
2014-06-24Option exercise (derivative)10,000$0.001,424
2014-06-24Option exercise10,000$3.20874,591
2014-06-24Open-market sale10,000$32.00864,591
2014-06-16Option exercise (derivative)764$0.006,876
2014-06-16Option exercise (derivative)3,000$0.0021,000
2014-06-16Open-market sale2,761$26.55864,591
2014-06-16Option exercise3,764—867,352
2014-05-01Open-market sale42,000$24.96863,588
2014-04-01Open-market sale42,000$26.71905,588
2014-03-18Open-market sale1,682$28.00947,588
2014-03-17Option exercise (derivative)764$0.007,640
2014-03-17Option exercise764—949,270
2014-03-05Open-market sale28,000$35.00948,506
2014-03-05Grant / award (derivative)24,000$0.0024,000
2014-03-03Open-market sale11,399$32.93976,506
2014-03-03Open-market sale30,601$32.32987,905
2014-02-03Open-market sale31,747$30.351,028,759
2014-02-03Open-market sale10,253$31.511,018,506
2014-01-02Open-market sale4,835$33.441,060,506
2014-01-02Open-market sale65,165$32.991,065,341
2013-12-17Option exercise (derivative)764$0.008,404
2013-12-17Open-market sale1,630$24.431,130,506
2013-12-17Option exercise764—1,132,136
2013-12-02Open-market sale66,100$23.671,135,272
2013-12-02Open-market sale3,900$24.501,131,372
2013-11-11Open-market sale56,000$21.531,201,372
2013-11-01Open-market sale14,000$20.181,257,372
2013-10-17Open-market sale56,000$21.571,271,372
2013-10-01Open-market sale9,678$20.531,327,372
2013-10-01Open-market sale4,322$19.431,337,050
2013-09-16Option exercise (derivative)764$0.009,168
2013-09-16Open-market sale291$17.801,341,372
2013-09-16Option exercise764—1,341,663
2013-09-04Open-market sale14,000$15.051,340,899
2013-08-27Grant / award56,000$0.001,354,899
2013-08-01Open-market sale13,400$16.091,299,499
2013-08-01Open-market sale600$16.821,298,899
2013-07-01Open-market sale14,000$17.111,312,899
2013-06-18Open-market sale280$18.291,326,899
2013-06-17Option exercise (derivative)764$0.009,932
2013-06-17Option exercise764—1,327,179
2013-06-07Open-market sale14,000$16.091,326,415
2013-04-08Option exercise (derivative)1,527$0.0010,696
2013-04-08Option exercise1,527—1,340,415
2012-10-15Open-market sale70,000$6.001,338,888
2012-10-09———1,408,888

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