Edgar Filing: Amphastar Pharmaceuticals, Inc.

Ownership Submission

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

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Â Purchase Marilyn J.

2. Date of Event Requiring Statement (Month/Day/Year)
06/24/2014

3. Issuer Name and Ticker or Trading Symbol
Amphastar Pharmaceuticals, Inc. [AMPH]

(Last)

(First)

(Middle)

C/O AMPHASTAR PHARMACEUTICALS, INC.,Â 11570 6TH STREET

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	_____ 10% Owner
__X__ Officer (give title below)	_____ Other (specify below)
Corp. Exec. VP of Operations

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

RANCHO CUCAMONGA,Â CAÂ 91730

6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

(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)
Common Stock	16,859 ⁽¹⁾	D	Â
Common Stock	2,757 ⁽²⁾	D	Â
Common Stock	11,437 ⁽³⁾	D	Â
Common Stock	17,605 ⁽⁴⁾	D	Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right to Buy)	Â ⁽⁵⁾	07/29/2014	Common Stock	15,000	$ 14.8	D	Â
Stock Option (Right to Buy)	Â ⁽⁵⁾	05/15/2015	Common Stock	28,000	$ 14.8	D	Â
Stock Option (Right to Buy)	Â ⁽⁵⁾	05/10/2016	Common Stock	15,000	$ 20	D	Â
Stock Option (Right to Buy)	Â ⁽⁵⁾	12/03/2017	Common Stock	25,000	$ 31.02	D	Â
Stock Option (Right to Buy)	Â ⁽⁵⁾	08/18/2018	Common Stock	25,000	$ 35.32	D	Â
Stock Option (Right to Buy)	Â ⁽⁶⁾	08/02/2019	Common Stock	25,000	$ 20.26	D	Â
Stock Option (Right to Buy)	Â ⁽⁷⁾	09/28/2020	Common Stock	30,000	$ 11.79	D	Â
Stock Option (Right to Buy)	Â ⁽⁸⁾	10/03/2021	Common Stock	15,789	$ 15.23	D	Â
Stock Option (Right to Buy)	Â ⁽⁹⁾	07/13/2022	Common Stock	47,877	$ 10.46	D	Â
Stock Option (Right to Buy)	Â ⁽¹⁰⁾	09/28/2022	Common Stock	8,315	$ 10.48	D	Â
Stock Option (Right to Buy)	Â ⁽¹¹⁾	07/05/2023	Common Stock	32,081	$ 10.93	D	Â
Stock Option (Right to Buy)	Â ⁽¹²⁾	03/27/2024	Common Stock	25,445	$ 14.4	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Purchase Marilyn J. C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA,Â CAÂ 91730	Â	Â	Â Corp. Exec. VP of Operations	Â

Signatures

/s/Marilyn J. Purchase, by Power of Attorney		06/24/2014
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This includes 16,044 shares held by the Purchase Family Trust (the "Trust"). The reporting person and her husband are the sole co-trustees of the Trust, and they share voting and investment power.
(2)	This represents the remaining amount of deferred stock units that were granted on 10/3/2011. The original amount was 5,515. This vests over 4 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(3)	This represents deferred stock units that were granted on 7/5/2013 and vest over 4 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(4)	This represents deferred stock units that were granted on 3/27/2014 and vest over 4 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(5)	This option is fully vested and exercisable.
(6)	This option was granted on 8/2/2009 and vests over 5 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(7)	This option was granted on 9/28/2010 and vests over 5 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(8)	This option was granted on 10/3/2011 and vests over 4 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(9)	This option was granted on 7/13/2012 and vests over 4 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(10)	This option was granted on 9/28/2012 and vests over 4 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(11)	This option was granted on 7/5/2013 and vests over 4 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.
(12)	This option was granted on 3/27/2014 and vests over 4 years in equal annual installments commencing on the first anniversary of the grant date, subject to the reporting person's continued employment with or service to the Issuer or subsidiary thereof through the applicable vesting date.

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