SEC CIK 1449515

Frost G. Janelle

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

Current Positions

CompanyShares OwnedAs Of
AMSFview stock →129,5312026-03-12

Position History — AMSF

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

046,68093,360140,0402008-112014-032016-032017-112019-052023-062026-03

Recent Filings — AMSF

DateActivitySharesPriceOwned After
2026-03-12Tax withholding10,509$32.92129,531
2026-03-12Grant / award24,814$0.00140,040
2026-03-09Grant / award (derivative)8,326$0.0018,274
2026-03-01Option exercise (derivative)4,401$0.009,948
2026-03-01Tax withholding1,883$32.53115,226
2026-03-01Option exercise4,401—117,109
2025-05-22Tax withholding9,976$46.37112,708
2025-05-22Grant / award23,555$0.00122,684
2025-03-03Grant / award (derivative)5,156$0.0014,349
2024-06-17Tax withholding6,907$42.7299,129
2024-06-17Grant / award15,840$0.00106,036
2024-03-01Grant / award (derivative)4,792$0.009,193
2023-06-07Grant / award16,567$0.0097,420
2023-06-07Tax withholding7,224$54.2490,196
2023-03-01Grant / award (derivative)4,401$0.004,401
2022-05-23Open-market sale10,445$48.3180,853
2022-05-19Grant / award20,889$0.0091,298
2021-05-19Open-market sale6,729$64.1970,409
2021-05-17Grant / award13,458$0.0077,138
2020-11-05Open-market sale1,615$60.0963,680
2020-05-26Open-market sale6,422$63.2165,295
2020-05-22Grant / award12,844$0.0071,717
2019-11-05Open-market sale1,625$70.0258,873
2019-05-17Open-market sale2,586$59.6960,498
2019-05-15Grant / award5,172$0.0063,084
2019-03-04Open-market sale1,691$61.5057,912
2018-11-05Open-market sale1,623$64.4159,603
2018-05-22Open-market sale685$60.1061,226
2018-05-18Grant / award1,510$0.0061,911
2018-03-06Open-market sale1,421$55.4260,401
2018-03-02Option exercise (derivative)15,000$0.000
2018-03-02Open-market sale7,500$55.5361,822
2018-03-02Grant / award15,000$0.0069,322
2017-11-07Open-market sale1,728$66.7454,322
2017-05-19Grant / award1,267$0.0056,050
2017-03-07Open-market sale823$64.1054,783
2016-11-07Open-market sale1,715$54.8755,606
2016-08-30Option exercise (derivative)20,000$0.0015,000
2016-08-30Open-market sale15,432$59.0157,321
2016-08-30Grant / award20,000$0.0072,753
2016-08-29Option exercise (derivative)10,000$0.0035,000
2016-08-29Grant / award10,000$0.0060,321
2016-08-29Open-market sale7,568$59.1952,753
2016-05-25Grant / award820$0.0050,321
2016-03-15Open-market sale529$50.6849,501
2016-02-23Grant / award3,683$0.0050,030
2015-11-05Open-market sale1,580$53.8746,347
2015-06-11Option exercise (derivative)15,000$0.0045,000
2015-06-11Option exercise15,000$14.2158,990
2015-06-11Open-market sale11,063$43.9447,927
2015-03-05Grant / award3,110$0.0043,990
2014-11-25Option exercise (derivative)15,000$0.0060,000
2014-11-25Option exercise15,000$15.2152,326
2014-11-25Open-market sale11,450$42.3840,876
2014-11-07Open-market sale1,813$41.0737,326
2014-03-05Grant / award1,705$0.0039,139
2013-12-04Option exercise (derivative)10,000$0.000
2013-12-04Option exercise10,000$9.0042,674
2013-12-04Open-market sale5,240$42.5237,434
2013-11-04Option exercise (derivative)9,000$0.0010,000
2013-11-04Option exercise9,000$9.0012,850
2013-11-04Grant / award25,000$0.0032,674
2013-11-04Open-market sale5,176$39.447,674
2013-03-11Grant / award1,367$0.003,850
2012-06-15Grant / award1,376$0.002,526
2009-03-13Open-market buy1,000$14.831,150
2008-11-10Grant / award (derivative)75,000$0.0075,000
2008-11-01———150

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