SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Senator Investment Group LP

(Last) (First) (Middle)
510 MADISON AVENUE
28TH FLOOR

(Street)
NEW YORK NY 10022

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
API Technologies Corp. [ ATNY ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
03/07/2014
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
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 Stock 03/07/2014 S 5,929,261 D $2.41 0 I See Footnote(1)
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 Securities Underlying Derivative Security (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: 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
1. Name and Address of Reporting Person*
Senator Investment Group LP

(Last) (First) (Middle)
510 MADISON AVENUE
28TH FLOOR

(Street)
NEW YORK NY 10022

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Silverman Douglas

(Last) (First) (Middle)
C/O SENATOR INVESTMENT GROUP LP
510 MADISON AVENUE, 28TH FLOOR

(Street)
NEW YORK NY 10022

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Klabin Alexander

(Last) (First) (Middle)
C/O SENATOR INVESTMENT GROUP LP
510 MADISON AVENUE, 28TH FLOOR

(Street)
NEW YORK NY 10022

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. Senator Investment Group LP, a Delaware limited partnership, ("Senator") serves as investment manager to certain investment funds the ("Funds") and has investment discretion with respect to the securities reported herein which are held by the Funds. Messrs. Douglas Silverman and Alexander Klabin are each Co-Chief Executive Officers of Senator. The general partner of Senator is Senator Management LLC (the "Senator GP"). Messrs. Silverman and Klabin indirectly control the Senator GP. The filing of this statement shall not be deemed an admission that any of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.
Remarks:
The Power of Attorney dated as of April 24, 2013 executed by Douglas Silverman authorizing Evan Gartenlaub to sign and file this form on his behalf, which was filed with the Securities and Exchange Commission with the Schedule 13G filed by Senator on April 24, 2013, is hereby incorporated herein by reference. The Power of Attorney dated as of April 24, 2013 executed by Alexander Klabin authorizing Evan Gartenlaub to sign and file this form on his behalf, which was filed with the Securities and Exchange Commission with the Schedule 13G filed by Senator on April 24, 2013, is hereby incorporated herein by reference.
SENATOR INVESTMENT GROUP LP; By: /s/ Evan Gartenlaub, General Counsel 03/10/2014
Douglas Silverman; By /s/Evan Gartenlaub as Attorney-in-Fact 03/10/2014
Alexander Klabin; By: /s/Evan Gartenlaub as Attorney-in-Fact 03/10/2014
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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