SEC CIK 940396
Berthelot Michael J
Reported ownership across 3 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| FDPview stock → | 12,137 | 2026-05-05 |
| DMCview stock → | 7,499 | 2025-11-03 |
| PDEXview stock → | 6,667 | 2012-11-29 |
Position History — DMC
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — DMC
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2025-11-03 | Open-market sale | 6,000 | $35.85 | 7,499 |
| 2025-05-07 | Option exercise (derivative) | 230.79 | $0.00 | 0 |
| 2025-05-07 | Option exercise (derivative) | 6,162 | $0.00 | 0 |
| 2025-05-07 | Option exercise | 6,162 | $0.00 | 13,499 |
| 2025-05-07 | Option exercise | 230 | $0.00 | 7,337 |
| 2025-05-05 | Grant / award (derivative) | 4,489 | $0.00 | 4,489 |
| 2025-03-06 | Open-market sale | 3,000 | $30.16 | 7,107 |
| 2024-12-06 | Grant / award (derivative) | 46.82 | $0.00 | 168.3 |
| 2024-11-06 | Open-market sale | 3,300 | $33.96 | 10,107 |
| 2024-09-09 | Open-market sale | 509 | $28.70 | 13,407 |
| 2024-09-06 | Grant / award (derivative) | 53.38 | $0.00 | 121.48 |
| 2024-06-07 | Grant / award (derivative) | 68.1 | $0.00 | 68.1 |
| 2024-05-22 | Open-market sale | 5,800 | $23.64 | 13,916 |
| 2024-05-07 | Grant / award (derivative) | 6,162 | $0.00 | 6,162 |
| 2024-05-04 | Option exercise (derivative) | 5,666 | $0.00 | 0 |
| 2024-05-04 | Option exercise (derivative) | 191.63 | $0.00 | 0 |
| 2024-05-04 | Option exercise | 5,666 | $0.00 | 19,525 |
| 2024-05-04 | Option exercise | 191 | $0.00 | 19,716 |
| 2024-03-29 | Grant / award (derivative) | 55.98 | $0.00 | 191.63 |
| 2023-12-08 | Grant / award (derivative) | 45.27 | $0.00 | 132.68 |
| 2023-12-08 | Grant / award (derivative) | 48.25 | $0.00 | 135.66 |
| 2023-09-08 | Grant / award (derivative) | 45.27 | $0.00 | 87.41 |
| 2023-08-07 | Open-market sale | 6,000 | $28.47 | 13,859 |
| 2023-06-09 | Grant / award (derivative) | 42.14 | $0.00 | 42.14 |
| 2023-05-04 | Grant / award (derivative) | 5,666 | $0.00 | 5,666 |
| 2023-05-04 | Option exercise (derivative) | 5,901 | $0.00 | 0 |
| 2023-05-04 | Option exercise (derivative) | 97.49 | $0.00 | 0 |
| 2023-05-04 | Option exercise | 5,901 | $0.00 | 19,762 |
| 2023-05-04 | Option exercise | 97 | $0.00 | 19,859 |
| 2023-03-31 | Grant / award (derivative) | 29.73 | $0.00 | 97.49 |
| 2022-12-09 | Grant / award (derivative) | 33.23 | $0.00 | 67.76 |
| 2022-11-08 | Open-market sale | 1,400 | $27.96 | 13,861 |
| 2022-09-09 | Grant / award (derivative) | 34.52 | $0.00 | 34.52 |
| 2022-06-02 | Grant / award (derivative) | 5,901 | $0.00 | 5,901 |
| 2022-05-27 | Open-market sale | 5,000 | $25.31 | 15,261 |
| 2022-04-30 | Option exercise (derivative) | 1,082 | $0.00 | 0 |
| 2022-04-30 | Option exercise (derivative) | 20.96 | $0.00 | 0 |
| 2022-04-30 | Option exercise | 20 | $0.00 | 20,261 |
| 2022-04-30 | Option exercise | 1,082 | $0.00 | 20,241 |
| 2022-04-01 | Grant / award (derivative) | 6.21 | $0.00 | 20.96 |
| 2022-01-31 | Option exercise (derivative) | 1,083 | $0.00 | 1,082 |
| 2022-01-31 | Option exercise (derivative) | 14 | $0.00 | 14.75 |
| 2022-01-31 | Option exercise | 1,083 | $0.00 | 19,145 |
| 2022-01-31 | Option exercise | 14 | $0.00 | 19,159 |
| 2021-12-10 | Grant / award (derivative) | 12.54 | $0.00 | 29.51 |
| 2021-11-01 | Option exercise (derivative) | 1,083 | $0.00 | 2,165 |
| 2021-11-01 | Option exercise (derivative) | 8 | $0.00 | 16.96 |
| 2021-11-01 | Option exercise | 1,083 | $0.00 | 18,054 |
| 2021-11-01 | Option exercise | 8 | $0.00 | 18,062 |
| 2021-09-10 | Grant / award (derivative) | 16.12 | $0.00 | 25.45 |
| 2021-08-18 | Open-market sale | 1,800 | $31.82 | 16,971 |
| 2021-07-31 | Option exercise (derivative) | 3 | $0.00 | 9.33 |
| 2021-07-31 | Option exercise (derivative) | 1,083 | $0.00 | 3,248 |
| 2021-07-31 | Option exercise | 3 | $0.00 | 18,771 |
| 2021-07-31 | Option exercise | 1,083 | $0.00 | 18,768 |
| 2021-06-11 | Grant / award (derivative) | 12.44 | $0.00 | 12.44 |
| 2021-05-17 | Open-market sale | 3,200 | $36.42 | 17,685 |
| 2021-05-04 | Grant / award (derivative) | 4,331 | $0.00 | 4,331 |
| 2021-04-30 | Option exercise (derivative) | 2,223 | $0.00 | 0 |
| 2021-04-30 | Option exercise (derivative) | 25 | $0.00 | 0 |
| 2021-04-30 | Option exercise | 2,223 | $0.00 | 20,860 |
| 2021-04-30 | Option exercise | 25 | $0.00 | 20,885 |
| 2021-04-02 | Grant / award (derivative) | 7.78 | $0.00 | 25.58 |
| 2021-03-31 | Open-market sale | 448 | $28.94 | 18,637 |
| 2021-03-10 | Open-market sale | 1,176 | $29.90 | 19,085 |
| 2021-02-01 | Option exercise (derivative) | 3 | $0.00 | 19.19 |
| 2021-02-01 | Option exercise (derivative) | 445 | $0.00 | 2,223 |
| 2021-02-01 | Option exercise | 448 | $0.00 | 20,261 |
| 2020-12-04 | Grant / award (derivative) | 10.39 | $0.00 | 22.19 |
| 2020-11-02 | Option exercise (derivative) | 445 | $0.00 | 2,668 |
| 2020-11-02 | Option exercise (derivative) | 1 | $0.00 | 11.8 |
| 2020-11-02 | Option exercise | 446 | $0.00 | 19,813 |
| 2020-09-04 | Grant / award (derivative) | 12.8 | $0.00 | 12.8 |
| 2020-07-31 | Option exercise (derivative) | 445 | $0.00 | 3,113 |
| 2020-07-31 | Option exercise | 445 | $0.00 | 19,367 |
| 2020-04-28 | Grant / award (derivative) | 3,558 | $0.00 | 3,558 |
| 2020-02-25 | Open-market sale | 615 | $30.00 | 18,922 |
| 2020-01-02 | Grant / award | 1,229 | $0.00 | 19,537 |
| 2019-05-17 | Open-market sale | 2,207 | $29.37 | 18,308 |
| 2019-01-02 | Grant / award | 4,413 | $28.32 | 20,515 |
| 2018-03-19 | Open-market sale | 1,332 | $47.04 | 16,101 |
| 2018-01-02 | Grant / award | 2,663 | $46.93 | 17,433 |
| 2017-08-22 | Open-market sale | 1,021 | $47.07 | 14,770 |
| 2017-01-03 | Grant / award | 2,042 | $61.21 | 15,791 |
| 2016-05-10 | Option exercise (derivative) | 6,250 | $0.00 | 0 |
| 2016-05-10 | Open-market sale | 6,250 | $49.65 | 13,749 |
| 2016-05-10 | Option exercise | 6,250 | $33.97 | 19,999 |
| 2016-02-26 | Open-market sale | 1,639 | $40.00 | 13,749 |
| 2016-01-04 | Grant / award | 3,278 | $38.13 | 15,388 |
| 2015-08-27 | Open-market sale | 1,563 | $39.26 | 12,110 |
| 2015-02-26 | Option exercise (derivative) | 6,000 | $0.00 | 0 |
| 2015-02-26 | Open-market sale | 6,000 | $35.30 | 500 |
| 2015-02-26 | Option exercise | 6,000 | $18.31 | 6,500 |
| 2015-01-02 | Grant / award | 3,125 | $33.60 | 13,673 |
| 2014-08-04 | Open-market sale | 1,866 | $30.00 | 10,548 |
| 2014-01-02 | Grant / award | 3,553 | $28.15 | 12,236 |
| 2014-01-02 | Grant / award | 3,731 | $28.15 | 12,414 |
| 2013-03-13 | Open-market sale | 2,186 | $27.25 | 8,683 |
| 2013-03-12 | Open-market sale | 2,000 | $27.25 | 10,869 |
| 2013-01-02 | Grant / award | 3,743 | $26.72 | 12,869 |
| 2012-01-03 | Grant / award | 3,939 | $25.39 | 9,126 |
| 2011-12-01 | Open-market sale | 1,000 | $25.17 | 5,187 |
| 2011-11-11 | Open-market sale | 1,000 | $26.04 | 6,187 |
| 2011-11-04 | Open-market sale | 2,000 | $25.25 | 7,187 |
| 2011-05-17 | Option exercise (derivative) | 6,000 | $0.00 | 6,000 |
| 2011-05-17 | Option exercise | 6,000 | $18.31 | 15,187 |
| 2011-05-17 | Open-market sale | 6,000 | $27.00 | 9,187 |
| 2011-03-30 | Option exercise (derivative) | 4,804 | $0.00 | 0 |
| 2011-03-30 | Open-market sale | 4,804 | $26.25 | 9,187 |
| 2011-03-30 | Option exercise | 4,804 | $19.83 | 13,991 |
| 2011-03-28 | Option exercise (derivative) | 856 | $0.00 | 4,804 |
| 2011-03-28 | Option exercise | 856 | $19.83 | 10,043 |
| 2011-03-28 | Open-market sale | 856 | $26.25 | 9,187 |
| 2011-03-25 | Option exercise (derivative) | 590 | $0.00 | 5,660 |
| 2011-03-25 | Option exercise | 590 | $19.83 | 9,777 |
| 2011-03-25 | Open-market sale | 590 | $26.25 | 9,187 |
| 2011-03-11 | Option exercise (derivative) | 6,000 | $0.00 | 24,500 |
| 2011-03-11 | Option exercise | 6,000 | $18.31 | 15,187 |
| 2011-03-11 | Open-market sale | 6,000 | $25.25 | 9,187 |
| 2011-01-03 | Grant / award | 3,979 | $25.14 | 9,187 |
| 2010-05-05 | Grant / award | 4,708 | $21.24 | 5,208 |
| 2009-07-31 | Open-market buy | 500 | $21.95 | 500 |
| 2009-02-25 | Grant / award (derivative) | 6,250 | $0.00 | 6,250 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.