Roberts Joseph William 4

4 · ALTERRA CAPITAL HOLDINGS Ltd · Filed Mar 14, 2012

Form 4

Period: 2012-03-12

EVP & CFO

Transactions

Sale
Common Shares
2012-03-12$23.39/sh−2,000$46,780→ 152,909 total
Sale
Common Shares
2012-03-12$23.34/sh−2,000$46,680→ 150,909 total
Sale
Common Shares
2012-03-13$23.52/sh−14,000$329,280→ 136,909 total
Exercise/Conversion
Common Shares
2012-03-14$22.09/sh+4,590$101,393→ 141,499 total
Tax Payment
Common Shares
2012-03-14$23.76/sh−4,267$101,384→ 137,232 total
Exercise/Conversion
Common Shares
2012-03-14$22.12/sh+4,255$94,121→ 141,487 total
Tax Payment
Common Shares
2012-03-14$23.76/sh−3,961$94,113→ 137,526 total
Exercise/Conversion
Options (right to buy)
2012-03-14−4,590→ 0 total
Exercise: $22.09Exp: 2012-05-06→ Common Shares (4,590 underlying)
Exercise/Conversion
Options (right to buy)
2012-03-14−4,255→ 0 total
Exercise: $22.12Exp: 2012-05-06→ Common Shares (4,255 underlying)
Award
Options (right to buy)
2012-03-14+8,228→ 8,228 total
Exercise: $23.76Exp: 2012-05-06→ Common Shares (8,228 underlying)

Footnotes (2)

[F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.39 to $23.74, inclusive. The reporting person undertakes to provide to Alterra Capital Holdings Limited, any security holder of Alterra Capital Holdings Limited, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.
[F2]The holder of the option may exercise it at any time.

Documents

1 file