SEC CIK 1364333

Berkowitz Mortimer III

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

Current Positions

CompanyShares OwnedAs Of
ATECview stock →650,0622026-06-10

Position History — ATEC

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

014,177,30628,354,61142,531,9172006-062006-062007-062010-042018-052022-062023-062026-06

Recent Filings — ATEC

DateActivitySharesPriceOwned After
2026-06-10Grant / award32,012$0.00650,062
2025-09-09Open-market sale62,500$15.97618,050
2025-06-11Grant / award15,131$0.00680,550
2024-06-12Grant / award16,747$0.00665,419
2023-06-20Grant / award9,908$0.00648,672
2023-05-12Option exercise (derivative)107,937$0.000
2023-05-12Option exercise107,937$3.50663,058
2023-05-12Tax withholding24,294$15.55638,764
2023-03-07Option exercise (derivative)107,937$0.000
2023-03-07Tax withholding23,820$15.86611,102
2023-03-07Option exercise107,937$3.50634,922
2022-06-09Option exercise (derivative)200,000$0.000
2022-06-09Option exercise200,000$2.00526,985
2022-06-09Open-market buy16,000$7.20555,121
2022-06-07Option exercise (derivative)200,000$0.000
2022-06-07Option exercise200,000$2.00539,121
2018-06-15J1,742,546$0.000
2018-06-15J8,396$0.00339,121
2018-06-15J2,807$0.00330,725
2018-05-17Option exercise (derivative)400$0.000
2018-05-17Option exercise126,985—327,918
2018-05-17Option exercise126,985—326,985
2018-03-08Grant / award (derivative)400$1000.00400
2018-03-08Grant / award (derivative)107,937$0.00107,937
2017-10-27Option exercise (derivative)400$0.000
2017-10-27Option exercise200,000$0.00200,933
2017-10-27Option exercise200,000$0.00200,000
2017-03-29Grant / award (derivative)400$1000.00400
2017-03-29Grant / award (derivative)200,000$0.00200,000
2012-11-28Open-market sale100,000$1.5121,010,565
2012-11-28Open-market sale100,000$1.5110,777,173
2012-03-07J1,344,179$0.000
2010-04-21Open-market sale9,200,000$4.7533,331,917
2010-03-26Grant / award22,500,271—42,531,917
2009-06-04Open-market buy3,937,007$2.5420,031,646
2008-08-08Open-market buy5,000$4.9616,105,839
2007-11-20Grant / award12,500$4.1916,100,839
2007-09-26Open-market buy2,750,000$3.4516,100,839
2007-06-14Open-market buy4,200$3.6013,350,839
2006-08-11Open-market buy1,800$5.8913,346,639
2006-08-10Open-market buy200$5.4913,346,639
2006-06-07Conversion (derivative)3,258,664—0
2006-06-07J131,277—1,458,631
2006-06-07J4,000,000—0
2006-06-07J1,540,608—1,540,608
2006-06-07J1,327,354—1,327,354
2006-06-07Conversion11,633,430—13,174,038
2006-06-07J152,368—13,326,406
2006-06-07J1,557,200—1,557,200
2006-06-07J154,009—13,344,639
2006-06-02———4,000,000
2006-06-02———3

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