AMG Funds IV

03/06/2026 | Press release | Distributed by Public on 03/06/2026 10:12

Prospectus Certification by Investment Company (Form 497J)

ROPES & GRAY LLP

PRUDENTIAL TOWER

800 BOYLSTON STREET

BOSTON, MA 02199-3600

WWW.ROPESGRAY.COM

Renee E. Laws

T +1 617 235 4975

[email protected]

March 6, 2026

VIA EDGAR

Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549

Re:

AMG Funds IV

File Nos. 033-68666; 811-08004

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "1933 Act"), AMG Funds IV (the "Trust") hereby certifies that the following forms of prospectus and statement of additional information that would have been filed by the Trust pursuant to Rule 497(c) under the 1933 Act would not have differed from those contained in the Trust's Post-Effective Amendment No. 205 to its Registration Statement on Form N-1A, which was filed by electronic transmission on February 27, 2026 pursuant to Rule 485(b) under the 1933 Act and is the most recent amendment to the Trust's Registration Statement on Form N-1A:

(i)

Prospectus for AMG GW&K Small/Mid Cap Growth Fund and AMG GW&K Small Cap Growth Fund (formerly AMG Montrusco Bolton Large Cap Growth Fund), dated March 1, 2026;

(ii)

Prospectus for AMG River Road Dividend All Cap Value Fund, AMG River Road Focused Absolute Value Fund, AMG River Road Mid Cap Value Fund, AMG River Road Small-Mid Cap Value Fund and AMG River Road Small Cap Value Fund, dated March 1, 2026;

(iii)

Statement of Additional Information for AMG GW&K Small/Mid Cap Growth Fund and AMG GW&K Small Cap Growth Fund, dated March 1, 2026; and

(iv)

Statement of Additional Information for AMG River Road Dividend All Cap Value Fund, AMG River Road Focused Absolute Value Fund, AMG River Road Mid Cap Value Fund, AMG River Road Small-Mid Cap Value Fund and AMG River Road Small Cap Value Fund, dated March 1, 2026.

March 6, 2026

If you have any questions concerning this filing, please call me at (617) 235-4975.

Sincerely,

/s/ Renee E. Laws

Renee E. Laws
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