SEC CIK 1364333
Berkowitz Mortimer III
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| ATECview stock → | 650,062 | 2026-06-10 |
Position History — ATEC
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — ATEC
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-10 | Grant / award | 32,012 | $0.00 | 650,062 |
| 2025-09-09 | Open-market sale | 62,500 | $15.97 | 618,050 |
| 2025-06-11 | Grant / award | 15,131 | $0.00 | 680,550 |
| 2024-06-12 | Grant / award | 16,747 | $0.00 | 665,419 |
| 2023-06-20 | Grant / award | 9,908 | $0.00 | 648,672 |
| 2023-05-12 | Option exercise (derivative) | 107,937 | $0.00 | 0 |
| 2023-05-12 | Option exercise | 107,937 | $3.50 | 663,058 |
| 2023-05-12 | Tax withholding | 24,294 | $15.55 | 638,764 |
| 2023-03-07 | Option exercise (derivative) | 107,937 | $0.00 | 0 |
| 2023-03-07 | Tax withholding | 23,820 | $15.86 | 611,102 |
| 2023-03-07 | Option exercise | 107,937 | $3.50 | 634,922 |
| 2022-06-09 | Option exercise (derivative) | 200,000 | $0.00 | 0 |
| 2022-06-09 | Option exercise | 200,000 | $2.00 | 526,985 |
| 2022-06-09 | Open-market buy | 16,000 | $7.20 | 555,121 |
| 2022-06-07 | Option exercise (derivative) | 200,000 | $0.00 | 0 |
| 2022-06-07 | Option exercise | 200,000 | $2.00 | 539,121 |
| 2018-06-15 | J | 1,742,546 | $0.00 | 0 |
| 2018-06-15 | J | 8,396 | $0.00 | 339,121 |
| 2018-06-15 | J | 2,807 | $0.00 | 330,725 |
| 2018-05-17 | Option exercise (derivative) | 400 | $0.00 | 0 |
| 2018-05-17 | Option exercise | 126,985 | — | 327,918 |
| 2018-05-17 | Option exercise | 126,985 | — | 326,985 |
| 2018-03-08 | Grant / award (derivative) | 400 | $1000.00 | 400 |
| 2018-03-08 | Grant / award (derivative) | 107,937 | $0.00 | 107,937 |
| 2017-10-27 | Option exercise (derivative) | 400 | $0.00 | 0 |
| 2017-10-27 | Option exercise | 200,000 | $0.00 | 200,933 |
| 2017-10-27 | Option exercise | 200,000 | $0.00 | 200,000 |
| 2017-03-29 | Grant / award (derivative) | 400 | $1000.00 | 400 |
| 2017-03-29 | Grant / award (derivative) | 200,000 | $0.00 | 200,000 |
| 2012-11-28 | Open-market sale | 100,000 | $1.51 | 21,010,565 |
| 2012-11-28 | Open-market sale | 100,000 | $1.51 | 10,777,173 |
| 2012-03-07 | J | 1,344,179 | $0.00 | 0 |
| 2010-04-21 | Open-market sale | 9,200,000 | $4.75 | 33,331,917 |
| 2010-03-26 | Grant / award | 22,500,271 | — | 42,531,917 |
| 2009-06-04 | Open-market buy | 3,937,007 | $2.54 | 20,031,646 |
| 2008-08-08 | Open-market buy | 5,000 | $4.96 | 16,105,839 |
| 2007-11-20 | Grant / award | 12,500 | $4.19 | 16,100,839 |
| 2007-09-26 | Open-market buy | 2,750,000 | $3.45 | 16,100,839 |
| 2007-06-14 | Open-market buy | 4,200 | $3.60 | 13,350,839 |
| 2006-08-11 | Open-market buy | 1,800 | $5.89 | 13,346,639 |
| 2006-08-10 | Open-market buy | 200 | $5.49 | 13,346,639 |
| 2006-06-07 | Conversion (derivative) | 3,258,664 | — | 0 |
| 2006-06-07 | J | 131,277 | — | 1,458,631 |
| 2006-06-07 | J | 4,000,000 | — | 0 |
| 2006-06-07 | J | 1,540,608 | — | 1,540,608 |
| 2006-06-07 | J | 1,327,354 | — | 1,327,354 |
| 2006-06-07 | Conversion | 11,633,430 | — | 13,174,038 |
| 2006-06-07 | J | 152,368 | — | 13,326,406 |
| 2006-06-07 | J | 1,557,200 | — | 1,557,200 |
| 2006-06-07 | J | 154,009 | — | 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.