144/A 0001958244-26-000203 0001252243 XXXXXXXX LIVE 0001493594 MACOM Technology Solutions Holdings, Inc. 001-35451 100 Chelmsford Street Lowell MA 01851 1-978-656-2500 Susan Ocampo Owner Common Goldman Sachs & Co. LLC 200 West Street New York NY 10282 15221 3928692.31 74996749 04/10/2026 NASD Common 06/30/2009 Acquired from issuer in private transaction The Issuer N 15221 06/30/2009 None N Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/03/2026 100000 23029116 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/06/2026 100000 23584697 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/12/2026 57827 13897141 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/13/2026 42173 10136319 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/13/2026 19877 4870489 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/17/2026 80123 19655435 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/11/2026 3156 789003 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/09/2026 53509 13381379 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/25/2026 261763 66600315 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/18/2026 3156 789003 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 02/24/2026 53509 13381379 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 03/02/2026 200000 50539095 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 03/25/2026 100000 24505253.65 Susan Ocampo 100 Chelmsford Street Lowell MA 01851 Common 04/08/2026 200000 49044230 Amendment to the filing submitted on 4/10/2026 in order to amend Table II. 04/13/2026 Goldman Sachs & Co. LLC on behalf of Susan Ocampo