Home/Insiders/Singh Prahlad R.
SP
SEC Insider//CIK 0001684136

Singh Prahlad R.

CIK 00016841362 companiesWALTHAM, MA

Transactions

50

Companies

2

Filings

9

CIK

0001684136

Recent Transactions

50 trades
  • Gift

    Common Stock

    2025-10-299,42096,838 total
  • Gift

    Common Stock

    2025-10-29+9,42046,583 total
  • Award

    Restricted Stock

    2025-05-16+2,3602,360 total
  • Award

    NQ Stock Option (right to buy)

    2025-02-04+57,83857,838 total
  • Award

    Common Stock

    2025-02-04+20,920106,258 total
  • Tax Payment

    Common Stock

    2025-02-04$123.69/sh4,85785,338 total
  • Exercise/Conversion

    NQ Stock Option (right to buy)

    2024-12-0218,3650 total
  • Sale

    Common Stock

    2024-12-02$116.13/sh15,08893,472 total
  • Exercise/Conversion

    Common Stock

    2024-12-02$81.29/sh+18,365108,560 total
  • Sale

    Common Stock

    2024-12-02$116.63/sh3,27790,195 total
  • Award

    Restricted Stock

    2024-05-17+1,3651,365 total
  • Exercise/Conversion

    Class A Common Stock

    2024-05-15+2,3753,143 total
  • Exercise/Conversion

    Phantom Stock

    2024-05-152,3750 total
  • Gift

    Common Stock

    2024-03-2612,07590,195 total
  • Gift

    Common Stock

    2024-03-26+12,07537,163 total
  • Sale

    Common Stock

    2024-02-23$105.13/sh1,144102,270 total
  • Sale

    Common Stock

    2024-02-05$104.80/sh6,46892,801 total
  • Exercise/Conversion

    Common Stock

    2024-02-05$52.65/sh+31,002114,018 total
  • Tax Payment

    Common Stock

    2024-02-05$105.62/sh11,209107,629 total
  • Sale

    Common Stock

    2024-02-05$104.05/sh14,74999,269 total
  • Exercise/Conversion

    Common Stock

    2024-02-05$105.62/sh+26,037118,838 total
  • Tax Payment

    Common Stock

    2024-02-05$105.62/sh4,215103,414 total
  • Exercise/Conversion

    NQ Stock Option (right to buy)

    2024-02-0531,0020 total
  • Award

    NQ Stock Option (right to buy)

    2024-02-05+110,111110,111 total
  • Award

    Phantom Stock

    2023-08-03$88.48/sh+7683,143 total
  • Award

    Phantom Stock

    2023-06-05+2,3752,375 total
  • Award

    Restricted Stock

    2023-05-19+2,3752,375 total
  • Award

    Common Stock

    2023-02-16+14,27283,016 total
  • Award

    NQ Stock Option (right to buy)

    2023-02-16+41,06141,061 total
  • Tax Payment

    Common Stock

    2023-01-30$138.56/sh18,26173,573 total
  • Tax Payment

    Common Stock

    2023-01-30$138.56/sh4,82968,744 total
  • Award

    Common Stock

    2023-01-30+43,55291,834 total
  • Award

    Restricted Stock

    2023-01-12$80.90/sh+768768 total
  • Sale

    Common Stock

    2022-12-21$141.05/sh10048,282 total
  • Exercise/Conversion

    NQ Stock Option (right to buy)

    2022-12-2114,1870 total
  • Exercise/Conversion

    Common Stock

    2022-12-21$48.98/sh+14,18762,469 total
  • Sale

    Common Stock

    2022-12-21$140.52/sh14,08748,382 total
  • Award

    Common Stock

    2022-02-07+24,50486,152 total
  • Tax Payment

    Common Stock

    2022-02-07$182.95/sh2,71773,370 total
  • Tax Payment

    Common Stock

    2022-02-07$182.95/sh10,06576,087 total
  • Award

    Common Stock

    2022-02-04+10,04461,648 total
  • Award

    NQ Stock Option (right to buy)

    2022-02-04+35,68435,684 total
  • Gift

    Common Stock

    2021-08-2025,08848,282 total
  • Gift

    Common Stock

    2021-08-20+25,08825,088 total
  • Tax Payment

    Common Stock

    2021-04-06$130.99/sh88251,604 total
  • Award

    NQ Stock Option (right to buy)

    2021-02-05+39,47039,470 total
  • Award

    Common Stock

    2021-02-05+9,50252,486 total
  • Tax Payment

    Common Stock

    2021-02-01$147.07/sh1,83042,984 total
  • Award

    Common Stock

    2021-02-01+8,83048,731 total
  • Tax Payment

    Common Stock

    2021-02-01$147.07/sh3,91744,814 total