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Home/Insiders/Benjamin Howard
BH
SEC Insider//CIK 0001393547

Benjamin Howard

CIK 00013935471 companyWALTHAM, MA
SEC Profile

Transactions

49

Companies

1

Filings

6

CIK

0001393547

Recent Transactions

49 trades
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common Stock

    2017-12-14$26.05/sh+4,062→ 46,637 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2017-12-14−6,021→ 3,010 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common Stock

    2017-12-14$15.91/sh+2,646→ 36,554 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2017-12-14−2,646→ 0 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common Stock

    2017-12-14$26.20/sh+6,021→ 42,575 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2017-12-14−4,062→ 8,124 total
  • Sale
    REPLIGEN CORP$RGEN

    Common Stock

    2017-12-14$35.34/sh−12,729→ 33,908 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2017-03-20−10,000→ 0 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common Stock

    2017-03-20$15.91/sh+4,968→ 36,124 total
  • Sale
    REPLIGEN CORP$RGEN

    Common Stock

    2017-03-20$34.61/sh−4,968→ 31,156 total
  • Sale
    REPLIGEN CORP$RGEN

    Common Stock

    2017-03-20$34.63/sh−7,248→ 23,908 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common Stock

    2017-03-20$6.23/sh+10,000→ 33,908 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2017-03-20−4,968→ 0 total
  • Tax Payment
    REPLIGEN CORP$RGEN

    Common Stock

    2017-03-01$32.08/sh−1,976→ 31,156 total
  • Award
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2017-02-23+8,289→ 8,289 total
  • Award
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2017-02-23+9,012→ 9,012 total
  • Award
    REPLIGEN CORP$RGEN

    Common Stock

    2017-02-23+4,506→ 33,132 total
  • Award
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2017-02-23+9,012→ 9,012 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2016-05-24−10,000→ 10,000 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common stock

    2016-05-24$6.23/sh+10,000→ 28,626 total
  • Sale
    REPLIGEN CORP$RGEN

    Common stock

    2016-05-11$26.72/sh−2,889→ 18,626 total
  • Tax Payment
    REPLIGEN CORP$RGEN

    Common Stock

    2016-02-29$26.05/sh−1,302→ 21,515 total
  • Award
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2016-02-26+12,186→ 12,186 total
  • Award
    REPLIGEN CORP$RGEN

    Common Stock

    2016-02-26+6,263→ 22,817 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2015-11-19−5,000→ 0 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common stock

    2015-11-19$3.33/sh+5,000→ 16,554 total
  • Sale
    REPLIGEN CORP$RGEN

    Common stock

    2015-06-09$37.48/sh−7,697→ 11,554 total
  • Sale
    REPLIGEN CORP$RGEN

    Common stock

    2015-06-08$38.32/sh−27,303→ 19,251 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common stock

    2015-03-18$15.91/sh+3,807→ 62,349 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2015-03-18−3,807→ 7,614 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common stock

    2015-03-18$6.23/sh+10,000→ 58,542 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    StockOption (Right to Buy)

    2015-03-18−10,000→ 20,000 total
  • Sale
    REPLIGEN CORP$RGEN

    Common stock

    2015-03-18$32.63/sh−15,795→ 46,554 total
  • Award
    REPLIGEN CORP$RGEN

    Common Stock

    2015-02-26+4,691→ 48,542 total
  • Award
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2015-02-26+9,031→ 9,031 total
  • Sale
    REPLIGEN CORP$RGEN

    Common Stock

    2014-11-11$23.56/sh−30,000→ 43,851 total
  • Sale
    REPLIGEN CORP$RGEN

    Common Stcok

    2014-08-13$20.34/sh−40,000→ 73,851 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common Stock

    2014-08-13$3.33/sh+5,000→ 113,851 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2014-08-13−5,000→ 5,000 total
  • Award
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2014-02-27+11,421→ 11,421 total
  • Award
    REPLIGEN CORP$RGEN

    Common Stock

    2014-02-27+5,962→ 28,926 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2013-05-06−12,964→ 152,036 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common Stock

    2013-05-06$4.25/sh+12,964→ 22,964 total
  • Tax Payment
    REPLIGEN CORP$RGEN

    Common Stock

    2013-05-06$8.84/sh−6,233→ 16,731 total
  • Tax Payment
    REPLIGEN CORP$RGEN

    Common Stock

    2013-05-06$8.84/sh−3,767→ 22,964 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Common Stock

    2013-05-06$3.33/sh+10,000→ 26,731 total
  • Exercise/Conversion
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2013-05-06−10,000→ 142,036 total
  • Award
    REPLIGEN CORP$RGEN

    Stock Option (Right to Buy)

    2013-02-28+40,000→ 165,000 total
  • Award
    REPLIGEN CORP$RGEN

    Common Stock

    2009-01-05$0.01/sh+10,000→ 10,000 total

Companies

1

Recent Filings

6

Address

C/O REPLIGEN CORPORATION 41 SEYON STREET

WALTHAM, MA, 02453

View on SEC.gov