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

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1. Name and Address of Reporting Person * Descheneaux Michael   2. Issuer Name and Ticker or Trading Symbol SVB FINANCIAL GROUP [SIVB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) President, Silicon Valley Bank (Last) (First) (Middle) 3005 TASMAN DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 05/02/2018 (Street) SANTA CLARA, CA 95054 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 Stock 05/02/2018   M   515 A (1) 18,529 D   Common Stock 05/02/2018   M   7,325 (2) A $ 71.11 25,854 D   Common Stock 05/02/2018   M   2,000 (2) A $ 107.98 27,854 D   Common Stock 05/02/2018   M   2,000 (2) A $ 129.81 29,854 D   Common Stock 05/02/2018   M   708 A (1) 30,562 D   Common Stock 05/02/2018   F   320 (3) D $ 306.01 30,242 D   Common Stock 05/02/2018   F   233 (3) D $ 306.01 30,009 D   Common Stock 05/02/2018   S   4,100 (2) D $ 300.3744 (4) 25,909 D   Common Stock 05/02/2018   S   2,000 (2) D $ 301.3291 (5) 23,909 D   Common Stock 05/02/2018   S   1,100 (2) D $ 302.3881 (6) 22,809 D   Common Stock 05/02/2018   S   900 (2) D $ 303.5888 (7) 21,909 D   Common Stock 05/02/2018   S   3,200 (2) D $ 300.89 (8) 18,709 D   Common Stock 05/02/2018   S   25 (2) D $ 303.89 18,684 D   Common Stock               320 I By 401(k)/ESOP

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Restricted Stock Unit

$ 0

05/02/2018

M

708

(9)

05/02/2023

Common Stock

708

(1)

1,414

D

Restricted Stock Unit

$ 0

05/02/2018

M

515

(10)

05/02/2024

Common Stock

515

(1)

1,545

D

Stock Option

$ 129.81

05/02/2018

M

2,000 (2)

(11)

05/01/2022

Common Stock

2,000

$ 0

4,495

D

Stock Option

$ 107.98

05/02/2018

M

2,000 (2)

(12)

04/29/2021

Common Stock

2,000

$ 0

8,711

D

Stock Option

$ 71.11

05/02/2018

M

7,325 (2)

(13)

04/30/2020

Common Stock

7,325

$ 0

4,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Descheneaux Michael 3005 TASMAN DRIVE SANTA CLARA, CA 95054			President, Silicon Valley Bank

Signatures

Denise West, Attorney-in-Fact for Michael Descheneaux		05/04/2018
**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)	Each restricted stock unit represents a contingent right to receive one share of the Issuer's common Stock.
(10)	25%/4yr beginning on 02-May-2018.
(11)	25%/4yr beginning on 01-May-2016.
(12)	25%/4yr beginning on 29-Apr-2015.
(13)	25%/4yr beginning on 30-Apr-2014.
(2)	These transactions reported were effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person effective February 12, 2018.
(3)	Shares withheld by Issuer for payment of tax liability incurred upon vesting of restricted stock units.
(4)	This transaction was executed in multiple trades at prices ranging from $299.81 to $300.79; the price reported above reflects the weighted average sale price.
(5)	This transaction was executed in multiple trades at prices ranging from $301.08 to $301.76; the price reported above reflects the weighted average sale price.
(6)	This transaction was executed in multiple trades at prices ranging from $302.16 to $302.82; the price reported above reflects the weighted average sale price.
(7)	This transaction was executed in multiple trades at prices ranging from $303.17 to $303.97; the price reported above reflects the weighted average sale price.
(8)	This transaction was executed in multiple trades at prices ranging from $300.82 to $301.00; the price reported above reflects the weighted average sale price.
(9)	25%/4yr beginning on 02-May-2017.

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