Home/Insiders/BLUNDIN DAVID B
BD
SEC Insider//CIK 0001203475

BLUNDIN DAVID B

CIK 00012034752 companiesCAMBRIDGE, MA

Transactions

50

Companies

2

Filings

6

CIK

0001203475

Recent Transactions

50 trades
  • Disposition to Issuer

    Class A Common Stock

    2025-08-10$23.33/sh900,0002,598,154 total
  • Other

    Class A Common Stock

    2025-05-2914,153379,115 total
  • Sale

    Class A Common Stock

    2025-03-25$30.00/sh4,94695,451 total
  • Sale

    Class A Common Stock

    2025-03-25$30.00/sh5133,498,154 total
  • Sale

    Class A Common Stock

    2025-03-25$30.00/sh4,39384,781 total
  • Sale

    Class A Common Stock

    2025-03-24$29.61/sh806100,397 total
  • Sale

    Class A Common Stock

    2025-03-24$28.67/sh8,03089,890 total
  • Sale

    Class A Common Stock

    2025-03-24$29.61/sh71689,174 total
  • Sale

    Class A Common Stock

    2025-03-24$28.67/sh9,041101,203 total
  • Sale

    Class A Common Stock

    2025-03-24$29.61/sh843,498,667 total
  • Sale

    Class A Common Stock

    2025-03-24$28.67/sh9383,498,751 total
  • Sale

    Class A Common Stock

    2025-03-21$28.67/sh77,60097,920 total
  • Sale

    Class A Common Stock

    2025-03-21$28.67/sh9,0693,499,689 total
  • Sale

    Class A Common Stock

    2025-03-21$28.67/sh87,367110,244 total
  • Sale

    Class A Common Stock

    2025-03-20$28.40/sh2843,508,758 total
  • Sale

    Class A Common Stock

    2025-03-20$28.40/sh2,430175,520 total
  • Sale

    Class A Common Stock

    2025-03-20$28.40/sh2,736197,611 total
  • Sale

    Class A Common Stock

    2025-03-19$28.40/sh473,509,042 total
  • Sale

    Class A Common Stock

    2025-03-19$28.40/sh401177,950 total
  • Sale

    Class A Common Stock

    2025-03-19$28.40/sh452200,347 total
  • Sale

    Class A Common Stock

    2025-02-28$26.80/sh6,141200,799 total
  • Sale

    Class A Common Stock

    2025-02-28$26.80/sh6383,509,089 total
  • Sale

    Class A Common Stock

    2025-02-28$26.80/sh5,455178,351 total
  • Sale

    Class A Common Stock

    2025-02-26$26.83/sh9733,509,727 total
  • Sale

    Class A Common Stock

    2025-02-26$26.83/sh9,367206,940 total
  • Sale

    Class A Common Stock

    2025-02-26$26.83/sh8,321183,806 total
  • Sale

    Class A Common Stock

    2024-08-07$27.03/sh178192,127 total
  • Sale

    Class A Common Stock

    2024-08-07$27.03/sh213,510,700 total
  • Sale

    Class A Common Stock

    2024-08-07$27.03/sh201216,307 total
  • Sale

    Class A Common Stock

    2024-08-06$27.89/sh201216,508 total
  • Sale

    Class A Common Stock

    2024-08-06$27.08/sh65,540192,483 total
  • Sale

    Class A Common Stock

    2024-08-06$27.08/sh7,6593,510,742 total
  • Sale

    Class A Common Stock

    2024-08-06$27.08/sh73,790216,709 total
  • Sale

    Class A Common Stock

    2024-08-06$27.89/sh178192,305 total
  • Sale

    Class A Common Stock

    2024-08-06$27.89/sh213,510,721 total
  • Sale

    Class A Common Stock

    2024-08-01$27.02/sh6,250258,023 total
  • Sale

    Class A Common Stock

    2024-08-01$27.02/sh7303,518,401 total
  • Sale

    Class A Common Stock

    2024-08-01$27.02/sh7,037290,499 total
  • Sale

    Class A Common Stock

    2024-07-29$26.81/sh3,665297,536 total
  • Sale

    Class A Common Stock

    2024-07-29$26.81/sh3,255264,273 total
  • Sale

    Class A Common Stock

    2024-07-29$26.81/sh3803,519,131 total
  • Conversion

    Class A Common Stock

    2024-06-12+2,000,0003,519,511 total
  • Conversion

    Class B Common Stock

    2024-06-122,000,0003,556,462 total
  • Sale

    Class A Common Stock

    2024-06-07$23.16/sh5,3841,519,511 total
  • Sale

    Class A Common Stock

    2024-05-07$23.42/sh25,726482,185 total
  • Sale

    Class A Common Stock

    2024-05-07$24.16/sh80,432401,753 total
  • Sale

    Class A Common Stock

    2024-05-07$22.00/sh7,748507,911 total
  • Sale

    Class A Common Stock

    2024-05-07$24.16/sh71,440356,838 total
  • Sale

    Class A Common Stock

    2024-05-07$25.28/sh89,310267,528 total
  • Sale

    Class A Common Stock

    2024-05-07$23.42/sh22,850428,278 total