SEC FORM 4

SEC FORM 4 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^*

Fisher Eric L

(Last)

(First)

(Middle)

C/O ACACIA COMMUNICATIONS, INC.

3 MILL AND MAIN PLACE, SUITE 400

(Street)

MAYNARD

01754

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Acacia Communications, Inc. [ ACIA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
VP of Global Sales

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2021

4. If Amendment, Date of 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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/01/2021		A		16,654	A	⁽¹⁾	75,973⁽²⁾	D
Common Stock	03/01/2021		D		16,654	D	⁽¹⁾	59,319⁽²⁾	D
Common Stock	03/01/2021		D		36,477	D	$115⁽³⁾	22,842⁽²⁾	D
Common Stock	03/01/2021		D		22,842	D	⁽²⁾	0	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 (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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents a performance-based stock unit ("PSU") award that vested with respect to 16,654 shares of common stock in accordance with its terms immediately prior to the Merger on March 1, 2021, which PSUs were granted to the reporting person on February 14, 2019 and were subject to performance conditions that have been satisfied. Pursuant to the terms of the Merger Agreement, each outstanding performance-based restricted stock unit award that has vested in accordance with is terms immediately prior to the Merger and has not yet been settled was automatically terminated and converted at the Effective Time into the right to receive the Merger Consideration for each underlying share.

2. Includes restricted stock unit ("RSU") awards that were unvested with respect to 22,842 shares of common stock immediately prior to the Merger. Each RSU represents the right to receive one share of common stock upon vesting. Pursuant to the terms of the Merger Agreement, each outstanding RSU award that was unvested immediately prior to the Merger was automatically terminated and converted at the Effective Time into the right to receive the Merger Consideration for each underlying share; provided that right to receive payment of such amount remains subject to vesting under the schedule in place for such RSU immediately prior to the Effective Time, including under the terms of the Company's Amended and Restated Severance and Change in Control Benefits Plan and any scheduled retention agreement after giving effect to any applicable employment offer documents entered into with Parent.

3. Pursuant to the Merger Agreement, at the Effective Time, each share of the Company's common stock automatically converted into the right to receive the Merger Consideration.

Remarks:

On March 1, 2021, pursuant to the Amended and Restated Agreement and Plan of Merger, by and among Cisco Systems, Inc. ("Parent"), Amarone Acquisition Corp. ("Merger Sub") and Acacia Communications, Inc. (the "Company"), dated January 14, 2021 (the "Merger Agreement"), Merger Sub merged with and into the Company (the "Merger"), with the Company surviving the Merger as a wholly owned subsidiary of Parent. Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each share of the Company's common stock automatically converted into the right to receive $115.00 per share in cash (the "Merger Consideration").

	/s/ Janene I. Asgeirsson, attorney-in-fact	03/03/2021
	** 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.

SEC Form 4: L Eric Fisher was granted 16,654 units of Common Stock and disposed to the issuer $4,194,855 worth of Common Stock (75,973 units at $55.22), decreasing ownership by 100% to 0 units

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