05:15 PM EDT, 10/13/2025 (MT Newswires) -- Nuburu ( BURU ) said late Monday that it has received a warning letter from NYSE American over Section 401(a) compliance.

The warning concerns Nuburu's ( BURU ) Oct. 1 dual-CEO announcement, as the company failed to notify the Exchange in advance of material news during trading hours, the company said.

The company acknowledged the Exchange's concerns, is improving its disclosure procedures, and publicly disclosed the warning letter.

Shares in the company were down nearly 5.8% in recent after-hours trading.