Home/Insiders/Shafer David Brent
SD
SEC Insider//CIK 0001728374

Shafer David Brent

CIK 00017283744 companiesSOUTH SAN FRANCISCO, CA

Transactions

50

Companies

4

Filings

15

CIK

0001728374

Recent Transactions

50 trades
  • Tax Payment

    Common Stock, $1 par value

    2025-08-19$24.33/sh31,33759,446 total
  • Award

    Common Stock

    2025-06-18+9,32125,828 total
  • Award

    Common Stock

    2025-05-07+16,07848,822 total
  • Award

    Common Stock, $1 par value

    2025-02-05+76,28989,841 total
  • Award

    Common Stock

    2024-09-03+16,50716,507 total
  • Award

    Common Stock

    2024-05-08+10,46932,744 total
  • Award

    Common Stock, $1 par value

    2024-05-07+5,95213,257 total
  • Award

    Common Stock

    2023-05-08+7,73722,275 total
  • Award

    Common Stock, $1 par value

    2023-05-02+4,5737,101 total
  • Award

    Common Stock, $1 par value

    2022-05-10+2,4812,481 total
  • Award

    Common Stock

    2022-05-09+12,10314,538 total
  • Award

    Common Stock

    2022-02-24+2,4352,435 total
  • Exercise of In-Money

    Common Stock

    2021-05-07$61.22/sh+52,20388,729 total
  • Sale

    Common Stock

    2021-05-07$76.36/sh88,7290 total
  • Exercise of In-Money

    Non-Qualified Stock Option (right to buy)

    2021-05-0752,20372,803 total
  • Award

    Restricted Stock Units

    2021-05-07+32,60432,604 total
  • Exercise/Conversion

    Restricted Stock Units

    2021-04-3018,49436,990 total
  • Exercise/Conversion

    Common Stock

    2021-04-30+18,49444,802 total
  • Tax Payment

    Common Stock

    2021-04-30$75.05/sh8,27636,526 total
  • Tax Payment

    Common Stock

    2021-04-29$75.34/sh11,56726,308 total
  • Exercise/Conversion

    Common Stock

    2021-04-29+25,84937,875 total
  • Exercise/Conversion

    Restricted Stock Units

    2021-04-2925,84925,849 total
  • Award

    Restricted Stock Units

    2021-03-26+27,92627,926 total
  • Award

    Restricted Stock Units

    2021-03-26+19,38745,236 total
  • Exercise/Conversion

    Common Stock

    2021-03-01+20,14620,146 total
  • Tax Payment

    Common Stock

    2021-03-01$70.15/sh8,12012,026 total
  • Exercise/Conversion

    Restricted Stock Units

    2021-03-0120,1460 total
  • Other

    Common Stock

    2020-12-31$70.56/sh+159366 total
  • Sale

    Common Stock

    2020-06-09$72.42/sh12,0000 total
  • Exercise of In-Money

    Non-Qualified Stock Option (right to buy)

    2020-06-0912,000125,006 total
  • Exercise of In-Money

    Common Stock

    2020-06-09$61.22/sh+12,00012,000 total
  • Exercise of In-Money

    Common Stock

    2020-05-29$61.22/sh+10,08810,088 total
  • Exercise of In-Money

    Non-Qualified Stock Option (right to buy)

    2020-05-2910,088137,006 total
  • Sale

    Common Stock

    2020-05-29$71.11/sh10,0880 total
  • Exercise of In-Money

    Non-Qualified Stock Option (right to buy)

    2020-05-2834,912147,094 total
  • Sale

    Common Stock

    2020-05-28$71.35/sh34,9120 total
  • Exercise of In-Money

    Common Stock

    2020-05-28$61.22/sh+34,91234,912 total
  • Sale

    Common Stock

    2020-05-11$68.52/sh14,2820 total
  • Sale

    Common Stock

    2020-04-30$69.73/sh11,90714,282 total
  • Award

    Restricted Stock Units

    2020-04-30+55,48455,484 total
  • Tax Payment

    Common Stock

    2020-04-29$71.01/sh11,56726,189 total
  • Exercise/Conversion

    Restricted Stock Units

    2020-04-2925,84951,698 total
  • Exercise/Conversion

    Common Stock

    2020-04-29+25,84937,756 total
  • Award

    Restricted Stock Units

    2020-03-19+25,84925,849 total
  • Exercise/Conversion

    Restricted Stock Units

    2020-03-0120,14620,146 total
  • Tax Payment

    Common Stock

    2020-03-01$72.55/sh8,23911,907 total
  • Exercise/Conversion

    Common Stock

    2020-03-01+20,14620,146 total
  • Other

    Common Stock

    2019-12-28$58.62/sh+155207 total
  • Award

    Restricted Stock Units

    2019-04-29+77,54777,547 total
  • Other

    Common Stock

    2018-12-29$59.10/sh+5252 total