Momenta Pharmaceuticals, Inc. (MNTA)

[DewDiligence]

MNTA Insider Shareholdings

[Updated for new grants to officers, which are summarized in the table in
http://www.sec.gov/Archives/edgar/data/1235010/000110465913013144/a13-5783_18k.htm .]

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

 
                             Shares    Options 
 Officers 
 *Craig Wheeler (CEO)       596,532  1,052,000 
 *G Venkataraman (SVP/R&D)  426,460    229,803 
 *John Bishop (SVP/Pharma)  101,927    174,530 
 *Richard Shea (CFO)        151,216    273,650 
 *Bruce Leicher (Gen Cnsl)  110,591    218,228 
 *James Roach (CMO)          88,548    270,411 
  
 Directors 
 John Clarke                 69,123    161,500 
 Bruce Downey                     0     80,500 
 Marsha Fanucci                   0    161,500 
 Peter Hutt                   5,365    166,500 
 Thomas Koestler                  0     47,750 
 *Bennett Shapiro             7,000    140,700 
 *Elizabeth Stoner            9,849     89,701 
 James Sulat                 10,000     85,500 
 ======================== =========  ========= 
 All fourteen insiders    1,576,611  3,152,003

*10b5-1 selling plan in effect.