Momenta Pharmaceuticals, Inc. (MNTA)

[DewDiligence]

MNTA Insider Shareholdings

[Updated for Form-4 filings through 3/5/14, including
the awards of options and restricted stock on 2/18/14 (http://www.sec.gov/Archives/edgar/data/1235010/000110465914015828/a14-7329_18ka.htm ). ]

The table entries below include both ordinary and restricted
shares and both vested and non-vested options.

 
                              Shares    Options 
 Officers 
 *Craig Wheeler (CEO)        631,645  1,192,000 
 *G Venkataraman (SVP/R&D)   363,892    268,378 
 *John Bishop (SVP/Pharma)   111,069    185,946 
 *Richard Shea (CFO)         179,447    346,153 
 *Bruce Leicher (Gen Cnsl)   128,270    258,732 
 *James Roach (CMO)          105,022    310,915 
 ‡Michael Franken (FoB Pres.) 25,000          0 
  
 Directors 
 John Clarke                  69,123    179,250 
 Bruce Downey                      0     98,250 
 Marsha Fanucci                9,000    140,850 
 Peter Hutt                    5,365    184,250 
 Thomas Koestler                   0     65,500 
 *Bennett Shapiro              7,000    158,450 
 *Elizabeth Stoner            11,143    104,117 
 James Sulat                  10,000    103,250 
 ========================= =========  ========= 
 All fifteen insiders      1,655,976  3,596,041

*10b5-1 selling plan in effect.

‡Hired 12/12/13.