LEOW C HOCK 4

4 · SIGMATEL INC · Filed Sep 26, 2003

Form 4

Period: 2003-09-24

Director

Transactions

Conversion
Common Stock
2003-09-24+2,097→ 2,097 total
Conversion
Common Stock
2003-09-24+18,333→ 18,333 total
Conversion
10% Convertible Debentures due 2006
2003-09-24−5,095→ 0 total
Exercise: $2.57From: 2001-04-10Exp: 2006-04-10→ Series I Convertible Preferred Stock (5,095 underlying)
Conversion
Series I Convertible Preferred Stock
2003-09-24$2.57/sh+5,095$13,094→ 5,095 total
Exercise: $0.00From: 2003-09-24Exp: 1988-08-08→ Common Stock (2,097 underlying)
Conversion
Series J Convertible Preferred Stock
2003-09-24−22,000→ 0 total
Exercise: $0.00From: 2003-02-21Exp: 1988-08-08→ Common Stock (18,333 underlying)
Conversion
Common Stock
2003-09-24+35,755→ 35,755 total
Conversion
Series H Convertible Preferred Stock
2003-09-24−47,000→ 0 total
Exercise: $0.00From: 2000-08-15Exp: 1988-08-08→ Common Stock (35,755 underlying)

Holdings

Footnotes (5)

[F1]These securities were received upon the automatic conversion of shares of preferred stock held by the reporting person upon the closing of SigmaTel's initial public offering.
[F2]The securities convert into Common Stock at a ratio of .41 shares of Common Stock for each share of Series I Convertible Preferred Stock.
[F3]The securities convert into Common Stock at a ratio of .76 shares of Common Stock for each share of Series H Convertible Preferred Stock.
[F4]The securities convert into Common Stock at a ratio of .83 shares of Common Stock for each share of Series J Convertible Preferred Stock.
[F5]The data "08/08/1988" is included in this box pursuant to instructions from the Securities and Exchange Commission because this box may not be left blank. These securities are Serial Preferred Stock of SigmaTel and do not expire on a specified date. As is disclosed in this Form 4, these securities automatically converted into shares of SigmaTel's Common Stock upon the effectivness of SigmaTel's initial public offering.

Documents

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