Sec Form 4 Filing - Arduini Peter J @ INTEGRA LIFESCIENCES HOLDINGS CORP - 2020-03-13

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 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 Arduini Peter J 2. Issuer Name and Ticker or Trading Symbol INTEGRA LIFESCIENCES HOLDINGS CORP [ IART] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President & CEO (Last) (First) (Middle) 1100 CAMPUS ROAD 3. Date of Earliest Transaction (MM/DD/YY) 03/13/2020 (Street) PRINCETON, NJ08540 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 03/13/2020 M 290 A $ 0 242,865 D Common Stock 03/13/2020 F 290 D $ 43.39 242,575 D Common Stock 03/13/2020 M 258 A $ 0 242,833 D Common Stock 03/13/2020 F 258 D $ 43.39 242,575 D Common Stock 03/13/2020 M 272 A $ 0 242,847 D Common Stock 03/13/2020 F 272 D $ 43.39 242,575 D Common Stock 03/13/2020 F 6,736 D $ 43.39 235,839 D Common Stock 03/13/2020 F 7,085 D $ 43.39 228,754 D Common Stock 03/13/2020 F 12,041 D $ 43.39 216,713 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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) $ 43.39 03/13/2020 A 92,096 ( 1 ) 03/13/2028 Common Stock 92,096 $ 0 92,096 D Restricted Stock Units/Contract Stock $ 0 ( 2 ) 03/13/2020 M 290 ( 2 ) ( 2 ) Common Stock 290 $ 43.39 504,460 D Restricted Stock Units $ 0 ( 3 ) 03/13/2020 M 258 ( 3 ) ( 3 ) Common Stock 258 $ 43.39 504,202 D Restricted Stock Units $ 0 ( 4 ) 03/13/2020 M 272 ( 4 ) ( 4 ) Common Stock 272 $ 43.39 503,930 D Restricted Stock Units $ 0 ( 5 ) 03/13/2020 A 41,485 ( 5 ) ( 5 ) Common Stock 41,485 $ 0 545,415 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Arduini Peter J 1100 CAMPUS ROAD PRINCETON, NJ08540 X President & CEO Signatures /s/ Eric Schwartz; Attorney-in-Fact 03/17/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The grant will vest as to one-third of the shares on the first anniversary of the grant date of 3/13/2020 and thereafter in monthly installments through the following twenty-four months. ( 2 )The award was a contract stock unit award which will vest in three annual equal installments on the first, second and third anniversaries of the grant date of 3/13/17 of which the third installment vested on 3/13/20 and which shall be delivered to Mr. Arduini within 30 days following the first business day that occurs immediately following the six month period after the date of his separation of service as deferred compensation ( 3 )The award was a restricted stock unit award which will vest in three annual equal installments on the first, second and third anniversaries of the grant date of 3/13/18 of which the second installment vested on 3/13/20 and which shall be delivered to Mr. Arduini within 30 days following the first business day that occurs immediately following the six month period after the date of his separation of service as deferred compensation. ( 4 )The award was a restricted stock unit award which will vest in three annual equal installments on the first, second and third anniversaries of the grant date of 3/13/19 of which the first installment vested on 3/13/20 and which shall be delivered to Mr. Arduini within 30 days following the first business day that occurs immediately following the six month period after the date of his separation of service as deferred compensation. ( 5 )The award was a restricted stock unit award which will vest in three annual equal installments on the first, second and third anniversaries of the grant date of 3/13/2020 which shall be delivered to Mr. Arduini within 30 days following the first business day that occurs immediately following the six month period after the date of his separation of service as deferred compensation. This award is subject to accelerated vesting upon termination of employment by reason of death or disability or upon a qualifying termination on or within 24 months following the date of a change in control.

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).

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