Green Impact Exchange files rule changes to align round lot standards with Regulation NMS
Green Impact Exchange has filed a proposed rule change with the Securities and Exchange Commission to update its Rules 11.180 and 14.003 in line with the amended definition of a round lot under Regulation NMS. The move follows the Commission's accelerated implementation of the revised standard on Sept. 18, 2024, and is intended to improve transparency and limit investor confusion.
Highlights
- Green Impact Exchange filed rule changes on May 26, 2026, to update its Rule 11.180 and Rule 14.003 under Section 19(b)(1) and Rule 19b-4.
- The amendments align Green Impact Exchange's round lot definition with Regulation NMS Rule 600, following the Commission's approval of the updated round lot framework.
- The exchange asserts the revisions will enhance investor clarity and transparency, supporting a free and open market and protecting the public interest.
Rule amendments and filing timeline
As reported by the Securities and Exchange Commission, Green Impact Exchange filed the proposal on May 26, 2026, under Section 19(b)(1) of the Securities Exchange Act of 1934 and Rule 19b-4. The notice is published to solicit comments from interested parties on the exchange's immediate rule change.The exchange says the amendments will bring its Rule 11.180 and Rule 14.003 into conformity with Rule 600 of Regulation NMS, after the Commission approved an amendment to the definition of a round lot. The filing states that the exchange included its reasoning, legal basis and any comments received as part of the submission.
Market transparency and investor impact
The exchange says the proposed revisions are designed to reduce potential confusion for investors and other market participants by ensuring its rulebook reflects current Regulation NMS requirements. In its filing, it argues that aligning the rules supports a free and open market and the operation of the national market system.Green Impact Exchange also says the changes are consistent with the public interest and investor protection because they increase clarity and transparency. The filing adds that investors would benefit from rules that more accurately match the Commission's round lot framework.
The SEC’s proposal to rescind its 2024 climate disclosure rule highlighted the agency’s shift toward rolling back disclosure mandates that faced legal challenges and never took effect. Our earlier article noted the debate between business groups backing the reversal and investor advocates warning it could reduce transparency on climate-related risks, while also pointing out that some companies may still have to comply with separate reporting regimes in places like California and the EU.
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