FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB Number: 3235-0104
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Filed By
Romeo and Dye's
Section 16 Filer
www.section16.net

1. Name and Address of Reporting Person*

Principal Financial Group, Inc.

2. Date of Event
Requiring Statement
Month/Day/Year
04/04/2003

4. Issuer Name and Ticker or Trading Symbol
Allion Healthcare, Inc.

(Last)      (First)     (Middle)

711 High Street
 

3. I.R.S. Identification
Number of Reporting
Person, if an entity
(voluntary)

5. Relationship of Reporting Person(s)
to Issuer (Check all applicable)
    Director                      X 10% Owner
    Officer                            Other
(give title below)              (specify below)

(Street)

Des Moines, IA 50392

(City)     (State)     (Zip)

Table I — Non-Derivative Securities Beneficially Owned

1. Title of Security
(Instr. 4)

2. Amount of
Securities
Beneficially
Owned
(Instr. 4)

3. Ownership Form:
Direct (D)
or Indirect (I)
(Instr. 5)

4. Nature of Indirect
Beneficial Ownership
(Instr. 5)

Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security
(Instr. 4)

2. Date Exercisable
and Expiration Date
(Month/Day/ Year)

3. Title and Amount of Securities
Underlying Derivative Security
(Instr. 4)

4. Conversion or
Exercise Price of
Derivative Security

5. Ownership Form
of Derivative
Security:
Direct (D)
or Indirect (I)
(Instr. 5)

6. Nature of Indirect Beneficial Ownership
(Instr. 5)

Date
Exercisable

Expiration
Date

Title          

Amount or
Number of
Shares

Series B Convertible Preferred Stock

Immediately

None

Common Stock

333,334⁽¹⁾

$3.00⁽¹⁾

I

By Subsidiary

Series C Convertible Preferred Stock

Immediately

None

Common Stock

400,000⁽¹⁾

$5.00⁽¹⁾

I

By Subsidiary

Explanation of Responses:

(1) The number of underlying shares of Common Stock and conversion price are subject to adjustment for anti-dilution and other matters.

**Intentional misstatements or omissions of facts constitute Federal Criminal Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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