| 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*
(Street)
| 2. Issuer Name and Ticker or Trading Symbol SQUARE 1 FINANCIAL INC [ SQBK ] | 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)
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| 3. Date of Earliest Transaction (Month/Day/Year) 10/06/2015 | ||||||||||||||||||||||||||
| 4. If Amendment, Date of Original Filed (Month/Day/Year) | 6. Individual or Joint/Group Filing (Check Applicable Line)
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| Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned | ||||||||||
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| 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 | ||||||
| Class A Common Stock | 10/06/2015 | D | 1,898,842 | D | (1)(2) | 0 | I | By Castle Creek Capital Partners IV, LP(3) | ||
| Class B Common Stock | 10/06/2015 | D | 2,563,383 | D | (1)(2) | 0 | I | By Castle Creek Capital Partners IV, LP(3) | ||
| Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) | |||||||||||||||
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| 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 | ||||||||
| Restricted Stock Units | (1)(2) | 10/06/2015 | D | 1,031 | (4) | (4) | Class A Common Stock | 1,031 | (1)(2) | 0 | I | By Castle Creek Capital Partners IV, LP(3) | |||
| Explanation of Responses: |
| 1. On October 6, 2015, pursuant to the Agreement and Plan of Merger, dated March 1, 2015, between PacWest Bancorp ("PacWest") and Square 1 Financial, Inc. ("Square 1"), Square 1 merged with and into PacWest, and each outstanding share of Square 1 common stock was converted into the right to receive 0.5997 of a share of PacWest common stock, with cash paid in lieu of fractional shares at a rate of $42.7827 per share (the "Average Closing Price"). At the effective time of the merger, each outstanding option to acquire shares of Square 1 common stock, whether vested or unvested, was cancelled and entitles the holder to receive an amount in cash equal to the product of (i) the total number of shares of Square 1 common stock subject to such option and |
| 2. (ii) the excess, if any, of (A) the product of (1) the Average Closing Price and (2) 0.5997 over (B) the exercise price per share of Square 1 common stock underlying such option, less any applicable taxes to be withheld with respect to such payment. Each outstanding restricted stock unit issued under Square 1's stock plan, whether vested or unvested, was cancelled and entitles the holder to receive an amount in cash equal to the product of (i) the number of shares of Square 1 common stock subject to such restricted stock unit award and (ii) the product of (A) the Average Closing Price and (B) 0.5997. In connection with the merger, the reporting person has the right to receive 2,675,996 shares of PacWest common stock and $26,452.16 in cash, subject to any required tax withholding under applicable law. On October 6, 2015, the effective date of the merger, the closing price of PacWest common stock was $43.97 per share. |
| 3. John T. Pietrzak serves as a principal of Castle Creek Capital Partners IV, L.P. As such, Mr. Pietrzak may be deemed to have beneficial ownership of the securities owned by this entity. Mr. Pietrzak disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that he is a beneficial owner of such securities for the purposes of Section 16. |
| 4. These restricted stock units were cancelled at the effective time of the merger and converted into the right to receive the consideration as described in notes (1) and (2) above. |
| Leah Webb, Attorney-in-Fact | 10/08/2015 | |
| ** 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). | ||
| Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. | ||
| 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 Number. | ||
