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4//SEC Filing

Patterson Mark C 4

Accession 0000003982-11-000010

CIK 0000003982other

Filed

Feb 24, 7:00 PM ET

Accepted

Feb 25, 1:05 PM ET

Size

7.5 KB

Accession

0000003982-11-000010

Insider Transaction Report

Form 4
Period: 2011-02-23
Patterson Mark C
See Remarks.
Transactions
  • Disposition to Issuer

    Employer Stock Option (right to buy)

    2011-02-2350,0000 total
    Exercise: $3.77Exp: 2020-03-03Common Stock (50,000 underlying)
  • Disposition to Issuer

    Common Stock

    2011-02-2387,6020 total
Footnotes (2)
  • [F1]These shares were disposed of pursuant to an Agreement and Plan of Merger among the Issuer, Seawell Limited and Wellco Sub Company, a wholly-owned subsidiary of Seawell Limited, dated August 12, 2010, as amended. The Reporting Person received 1.15 shares of Seawell Limited common stock for each share of Allis-Chalmers common stock owned.
  • [F2]This option, which provided for vesting in five equal installments beginning March 3, 2011 was assumed by Seawell Limited in the merger and replaced with an option to purchase 57,500 shares of Seawell Limited common shares at $3.28 per share.

Issuer

Allis Chalmers Energy Inc.

CIK 0000003982

Entity typeother

Related Parties

1
  • filerCIK 0001425197

Filing Metadata

Form type
4
Filed
Feb 24, 7:00 PM ET
Accepted
Feb 25, 1:05 PM ET
Size
7.5 KB