Merrimack Pharmaceuticals
Insider trading & Transactions

Last updated:

Transaction Date Insider Security Shares Price per share Total value Source
Option
NIELSEN ULRIK B. director
Stock Option (right to buy) 65,000 $2 $129,805
Option
SULLIVAN WILLIAM A. officer: Principal Accounting O..
Stock Option (right to buy) 15,000 $2.12 $31,800
Sale
STEWART EDWARD J. officer: Head of Commercial
Common Stock 8,000 $1.81 $14,480
Sale
SULLIVAN WILLIAM A. officer: Principal Accounting O..
Common Stock 15,000 $2.12 $31,800
Option
STEWART EDWARD J. officer: Head of Commercial
Common Stock 8,000 $1.81 $14,480
Option
STEWART EDWARD J. officer: Head of Commercial
Stock Option (right to buy) 8,000 $1.81 $14,480
Option
SULLIVAN WILLIAM A. officer: Principal Accounting O..
Common Stock 15,000 $2.12 $31,800
Sale
FEHR GORDON J. director
Common Stock 20,000 $1.71 $34,200
Option
FEHR GORDON J. director
Stock Option (right to buy) 20,000 $1.71 $34,200
Option
FEHR GORDON J. director
Common Stock 20,000 $1.71 $34,200
Option
CROCKER GARY L director, officer: See Remarks
Stock Option (right to buy) 35,000 $1.71 $59,850
Option
CROCKER GARY L director, officer: See Remarks
Common Stock 85,000 $2.09 $177,650
Sale
MULROY ROBERT J. director, officer: President an..
Common Stock 103,968 $11.71 $1,217,465
Option
MULROY ROBERT J. director, officer: President an..
Common Stock 447,980 $2.22 $995,860
Purchase
PORTER MICHAEL E director
Common Stock 5,000 $11.7 $58,500
Option
MULROY ROBERT J. director, officer: President an..
Stock Option (right to buy) 368,306 $1.92 $705,306
Sale
MULROY ROBERT J. director, officer: President an..
Common Stock 10,400 $1.71 $17,784
Option
MULROY ROBERT J. director, officer: President an..
Common Stock 10,400 $1.71 $17,784
Option
MULROY ROBERT J. director, officer: President an..
Stock Option (right to buy) 10,400 $1.71 $17,784
Purchase
PORTER MICHAEL E director
Common Stock 5,000 $11.77 $58,850
Option
SULLIVAN WILLIAM A. officer: Principal Accounting O..
Common Stock 15,000 $2.12 $31,800
Sale
SULLIVAN WILLIAM A. officer: Principal Accounting O..
Common Stock 15,000 $2.12 $31,800
Option
NIELSEN ULRIK B. director
Stock Option (right to buy) 40,000 $1.71 $68,400
Option
SULLIVAN WILLIAM A. officer: Principal Accounting O..
Stock Option (right to buy) 15,000 $2.12 $31,800
Option
NIELSEN ULRIK B. director
Common Stock 40,000 $1.71 $68,400
Sale
NIELSEN ULRIK B. director
Common Stock 40,000 $1.71 $68,400
Purchase
PORTER MICHAEL E director
Common Stock 1,190 N/A N/A
Option
SCHOEBERL BIRGIT M. officer: Head of Discovery
Stock Option (right to buy) 10,000 $1.71 $17,100
Option
STEWART EDWARD J. officer: Head of Commercial
Common Stock 2,000 $12 $24,000
Sale
SCHOEBERL BIRGIT M. officer: Head of Discovery
Common Stock 21,337 $12 $256,044
Option
SCHOEBERL BIRGIT M. officer: Head of Discovery
Common Stock 21,337 $1.76 $37,553
Option
STEWART EDWARD J. officer: Head of Commercial
Stock Option (right to buy) 2,000 $12 $24,000
Sale
STEWART EDWARD J. officer: Head of Commercial
Common Stock 2,000 $12 $24,000
Option
SCHOEBERL BIRGIT M. officer: Head of Discovery
Stock Option (right to buy) 20,897 $1.76 $36,779
Option
STEWART EDWARD J. officer: Head of Commercial
Common Stock 6,000 $1.81 $10,860
Option
STEWART EDWARD J. officer: Head of Commercial
Stock Option (right to buy) 6,000 $1.81 $10,860
Option
SCHOEBERL BIRGIT M. officer: Head of Discovery
Common Stock 20,897 $1.76 $36,779
Sale
STEWART EDWARD J. officer: Head of Commercial
Common Stock 6,000 $1.81 $10,860
Sale
SCHOEBERL BIRGIT M. officer: Head of Discovery
Common Stock 20,897 $12 $250,764
Purchase
PORTER MICHAEL E director
Common Stock 5,000 $11.33 $56,650
Option
MULROY ROBERT J. director, officer: President an..
Common Stock 22,385 $1.71 $38,278
Sale
MULROY ROBERT J. director, officer: President an..
Common Stock 22,385 $1.71 $38,278
Option
MULROY ROBERT J. director, officer: President an..
Stock Option (right to buy) 22,385 $1.71 $38,278
Option
NIELSEN ULRIK B. director
Stock Option (right to buy) 20,000 $1.71 $34,200
Option
STEWART EDWARD J. officer: Head of Commercial
Stock Option (right to buy) 6,000 $1.81 $10,860
Option
NIELSEN ULRIK B. director
Common Stock 20,000 $1.71 $34,200
Option
STEWART EDWARD J. officer: Head of Commercial
Common Stock 6,000 $1.81 $10,860
Sale
STEWART EDWARD J. officer: Head of Commercial
Common Stock 6,000 $1.81 $10,860
Sale
NIELSEN ULRIK B. director
Common Stock 20,000 $1.71 $34,200
Purchase
PORTER MICHAEL E director
Common Stock 5,000 $10.93 $54,650

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Insider trading

Monitoring trades made by the management members or major shareholders of companies may help create a sharper picture of what is happening inside the companies. Base your decisions on buys or sells of the people involved and do the right thing at the right time.

Who is insider?

Every director or senior officer, as well as any other entity or individual owning more than 10% of the company’s shares on the stock market, is called an insider. Such people or entities are allowed to buy/sell the company's shares under strictly controlled conditions. Key premise here is that none of them can make trades based on non-public information about the company.