Capital Acquisition Brokers occupy a narrow lane in FINRA's rulebook by design — placement agents and M&A intermediaries who never touch customer funds or carry accounts. As of March 25, 2026, that lane got noticeably wider. Regulatory Notice 26-04 adopts a set of amendments to the CAB rules that expand what CABs can do on both sides of a deal, without changing the limited institutional business model that makes CAB registration attractive in the first place.
The changes are part of FINRA Forward, the initiative that grew out of FINRA's 2025 request for comment on reducing unnecessary friction in the capital-raising process. For firms currently registered as CABs, or firms evaluating whether a CAB registration fits their business better than a full broker-dealer registration, the amendments meaningfully change the calculus.
What CABs can now do that they couldn't before
- Represent both sides of a placement. CABs were previously limited to acting on behalf of an issuer when placing unregistered securities. The amendments permit a CAB to also act as placement agent or finder for the institutional investor buyer — not just the seller.
- Represent both sides of a change-of-control deal, with disclosure. A CAB can now represent the buyer, the seller, or both in the same transaction, provided it gives clear written disclosure of who it represents and gets written consent from both parties to the joint representation.
- Facilitate secondary trades between institutions. New CAB Rule 016(c)(1)(H) permits a CAB to act as placement agent or finder in a secondary sale of unregistered securities where both the buyer and seller are institutional investors and the sale qualifies for a registration exemption (Securities Act Rule 144 or 144A, for example).
- Participate in private securities transactions. Associated persons of a CAB can now participate in PSTs under the same notice-and-approval framework that applies to non-CAB broker-dealers under FINRA Rule 3280 — previously they were barred from any participation.
- Accept securities as compensation. New CAB Rule 511 codifies a 2019 staff interpretation permitting a CAB to receive equity in a privately held issuer client as payment for services, so long as holding or selling that equity doesn't push the CAB into activities the CAB rules otherwise prohibit.
The definition of "institutional investor" was also expanded to include "eligible employees" — officers, directors and certain employees of an issuer who meet the ICA's "knowledgeable employee" standard. That widens the pool of people a CAB can legally place securities with, though FINRA was clear that if an eligible employee happens to qualify as a retail customer under Reg BI, the CAB still has to comply with Reg BI and deliver Form CRS.
How Compliers Can Help
We help firms determine whether a CAB registration or a full broker-dealer registration fits their intended business model, and we manage the FINRA application process end-to-end. See our NMA/CMA/RIA Applications page for how we support new CAB registrants and existing CABs updating their supervisory procedures for these amendments.
The M&A brokers reference finally catches up
One change is more housekeeping than expansion, but it closes a gap that's existed since 2023. CAB Rule 016(c)(1)(G) previously pointed to a 2014 SEC no-action letter (the "M&A Brokers Letter") as the basis for CABs' merger-and-acquisition activity — but the SEC withdrew that letter in March 2023 once the statutory M&A brokers exemption under Exchange Act Section 15(b)(13) took effect. The amended rule now references the statutory exemption directly, so CABs relying on that provision are no longer pointing to guidance that no longer exists.
None of these changes alter the fundamental limits on what a CAB can do — no retail business, no carrying customer accounts, no proprietary trading. But firms whose deal flow increasingly involves representing both sides of a transaction, or accepting equity instead of cash fees, now have rule text that actually accommodates how the business is practiced.