XNAS:ATMI Insider Activity 4 Filing - 2/9/2012

Effective Date 2/9/2012

FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Higinbotham Tod
  2. Issuer Name and Ticker or Trading Symbol
ATMI INC [ATMI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP and GM,Microelectronics
(Last)
(First)
(Middle)
6 COMMERCE DR
3. Date of Earliest Transaction (Month/Day/Year)
02/09/2012
(Street)

DANBURY, CT US 06810
4. If Amendment, Date Original Filed (Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common 02/09/2012   D(1)   6,924 D $ 0 48,355 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option(right to buy) $24.05 02/09/2012   A   18,811     (2)   (2) Common Stock 18,811 $ 0 18,811 D  
Total Shareholder Return Performance RSU(6) $ 0 02/09/2012   A   6,064(3)     (7)   (7) Common Stock 6,064 $ 0 6,064 D  
Total Shareholder Return Performance RSU(6) $ 0 02/09/2012   A   6,064(4)     (7)   (7) Common Stock 6,064 $ 0 6,064 D  
Total Shareholder Return Performance RSU(6) $ 0 02/09/2012   A   6,063(5)     (7)   (7) Common Stock 6,063 $ 0 6,063 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Higinbotham Tod
6 COMMERCE DR
DANBURY, CT US 06810
      EVP and GM,Microelectronics  

Signatures

 /s/Ellen T. Harmon, atty-in-fact   02/10/2012
** Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) 13,528 Performance based RSA's were originally granted on 2/10/11 contingent on achievement of certain targets. 6,604 shares were earned based upon the criteria.
(2) Non-qualified stock options vest ratably on each anniversary date over the four-year period following the grant date and expire on the tenth anniversary of the grant date.
(3) Total Shareholder Return Performance Restricted Stock Units can be earned based upon the relative total shareholder return of ATMI common stock versus the Russell 2000 Index during the performance period from January 1, 2012 - December 31, 2012. Share amount shown represents maximum potential grant pursuant to this award, which represents 175% of the target award. The ultimate grant amount earned can range from zero to the maximum amount depending on relative performance over the applicable period. Vesting takes place, as applicable, after the performance level is determined.
(4) Total Shareholder Return Performance Restricted Stock Units can be earned based upon the relative total shareholder return of ATMI common stock versus the Russell 2000 Index during the performance period from January 1, 2012 - December 31, 2013. Share amount shown represents maximum potential grant pursuant to this award, which represents 175% of the target award. The ultimate grant amount earned can range from zero to the maximum amount depending on relative performance over the applicable period. Vesting takes place, as applicable, after the performance level is determined.
(5) Total Shareholder Return Performance Restricted Stock Units can be earned based upon the relative total shareholder return of ATMI common stock versus the Russell 2000 Index during the performance period from January 1, 2012 - December 31, 2014. Share amount shown represents maximum potential grant pursuant to this award, which represents 175% of the target award. The ultimate grant amount earned can range from zero to the maximum amount depending on relative performance over the applicable period. Vesting takes place, as applicable, after the performance level is determined.
(6) Total Shareholder Return Performance Restricted Stock Units
(7) Earned amount vests immediately upon determination of performance. Any unearned amount, upon determination of performance, expires immediately.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

XNAS:ATMI Insider Activity 4 Filling

XNAS:ATMI Stock - Get Insider Activity SEC Filing of XNAS:ATMI stocks, including company profile, shares outstanding, strategy, business segments, operations, officers, consolidated financial statements, financial notes and ownership information.

Content Partners
XNAS:ATMI Insider Activity 4 Filing - 2/9/2012
Name |  Ticker |  Star Rating |  Market Cap |  Stock Type |  Sector |  Industry Star Rating |  Investment Style |  Total Assets |  Category |  Top Holdings |  Top Sectors |  Symbol |  Title Star Rating |  Category |  Total Assets |  Top Holdings |  Top Sectors |  Symbol |  Name Title |  Date |  Author |  Collection |  Interest |  Popularity Topic |  Sector |  Key Indicators |  User Interest |  Market Cap |  Industry Name |  Ticker |  Star Rating |  Market Cap |  Stock Type |  Sector |  Industry Star Rating |  Investment Style |  Total Assets |  Category |  Top Holdings |  Top Sectors |  Symbol / Ticker |  Title Star Rating |  Category |  Total Assets |  Symbol / Ticker |  Name Title |  Date |  Author |  Collection |  Popularity |  Interest Title |  Date |  Company |  Symbol |  Interest |  Popularity Topic |  Sector |  Key Indicators |  User Interest |  Market Cap |  Industry Title |  Date |  Company |  Symbol |  Interest |  Popularity

Previous: XNAS:ATMI Insider Activity 4 Filing - 2/9/2012  |  Next: XNAS:ATMI Insider Activity 4 Filing - 2/9/2012