Form Type: 4

SEC EDGAR Link
Accession Number:0001179110-15-006445
Date:2015-03-29
Issuer: MOMENTA PHARMACEUTICALS INC (MNTA)
Original Submission Date:

Reporting Person:

LEICHER BRUCE
C/O MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET CAMBRIDGE, MA 02142

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2015-03-29 D 6,750 d $0.00 137,862 direct
COMMON STOCK 2015-04-16 M 30,000 a $15.12 167,862 direct
COMMON STOCK 2015-04-16 M 10,000 a $15.12 177,862 direct
COMMON STOCK 2015-04-16 F 6,215 d $17.08 171,647 direct
COMMON STOCK 2015-04-16 S 30,000 d $20.00 141,647 direct
COMMON STOCK 2015-04-16 S 10,000 d $20.00 131,647 direct
COMMON STOCK 2015-04-17 S 12,910 d $18.05 118,737 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
STOCK OPTION (RIGHT TO BUY) 15.12 2015-04-16 deemed execution date M 30,000 (a) 2012-08-19 2018-08-19 common stock 30,000 $15.12 16,452 direct
STOCK OPTION (RIGHT TO BUY) 15.12 2015-04-16 deemed execution date M 10,000 (a) 2012-08-19 2018-08-19 common stock 10,000 $15.12 43,548 direct
Footnotes
IDfootnote
f1 represents a decrease of 6,750 shares of restricted common stock, $0.0001 par value per share, pursuant to the related restricted stock agreement, as amended, between mr. leicher and the company. the shares were awarded pursuant to the company's 2004 stock incentive plan, as amended.
f2 represents the number of shares of restricted common stock returned to the company to meet minimum tax liability requirements, pursuant to the related exercise and restricted stock agreement, as amended, between mr. leicher and the company. the shares were awarded pursuant to the company's 2004 stock incentive plan, as amended.
f3 this sale was effected pursuant to a rule 10b5-1 trading plan adopted by the reporting person on august 5, 2013.
f4 this transaction was executed in multiple trades at prices ranging from $18.00 to $18.44. the price reported above reflects the weighted average sale price. the reporting person hereby undertakes to provide upon request to the sec staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
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