SCHEDULE 14A

Proxy Statement Pursuant to Section 14(A) of the

Securities Exchange Act of 1934

Filed by the Registrant  ☒                              Filed by a Party other than the Registrant  ☐

Check the appropriate box:

☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material Pursuant to 240.14a-12

AMG FUNDS IV

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒	No fee required.
☐	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
	(1)	Title of each class of securities to which transaction applies:
	(2)	Aggregate number of securities to which transaction applies:
	(3)	Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
	(4)	Proposed maximum aggregate value of transaction:
	(5)	Total fee paid:
☐	Fee paid previously with preliminary materials.
☐	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
	(1)	Amount Previously Paid:
	(2)	Form, Schedule or Registration Statement No.:
	(3)	Filing Party:
	(4)	Date Filed:

URGENT PROXY VOTING REQUEST

Shareholder Meeting Adjourned to June 18, 2021

AMG GW&K Small/Mid Cap Growth Fund (formerly AMG GW&K Small Cap Fund II)

AMG Montrusco Bolton Large Cap Growth Fund

Dear Valued Shareholder:

Your fund’s shareholder meeting has been adjourned to June 18, 2021 at 3:00 p.m. Eastern Time. Please take a few moments and if you have not done so – vote.

We sent this reminder because you held shares in the fund(s) on the record date and we have not received your vote.

YOUR FUND’S BOARD RECOMMENDS THAT YOU VOTE “FOR” THE PROPOSALS

The Proxy Statement we sent you on April 16, 2021 contains important information regarding the proposals that all shareholders are being asked to consider. A copy of the Proxy Statement may be viewed or downloaded at the website listed on your proxy card. If you have any questions regarding the proposals, or need assistance with voting, you may call Computershare Fund Services, the Funds’ proxy solicitor, toll-free at 1-866-905-8143.

For your convenience, please utilize any of the following methods to submit your vote:

1. Vote Online.

Visit the website noted on the enclosed proxy voting card and follow the instructions.

2. Vote by Phone.

Call the toll-free number printed on the enclosed proxy voting card, and follow the automated instructions.

Available 7 days a week, 24 hours a day.

3. Speak with a Proxy Specialist.

Call 1-866-905-8143 with any questions. Specialists can assist with voting.

Available Monday to Friday from 9 a.m. to 11 p.m. ET and Saturday from 12 p.m. to 6 p.m. ET.

4. Vote by Mail.

Mail your signed proxy voting card(s) in the postage-paid envelope included with your proxy materials.

Thank you for your prompt attention to this matter. If you have already voted, we appreciate your participation, and you may disregard this notice.

AMG Funds_ADJOURNMENT_2021

32073 – (MON/LMC)

S21718/S21719