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Spinning

Spinning is the allocation of desirable new-issue shares to company decision-makers or related accounts to win or reward investment-banking business. In the US, FINRA Rule 5131 restricts specified allocations involving executives or directors and their companies' banking relationships; it is different from an investor simply selling an IPO allocation quickly.

From the Money Master HQ dictionary, founded by Shihan Sheriff (FCMA, VP of Finance at Nomod, CFO at Esanjo Ventures). How these definitions are written.

What it means

An attractive IPO allocation can provide a personal benefit to its recipient, and if a banker directs that opportunity to an executive who can influence the company's choice of adviser, the allocation creates a conflict. The executive's personal opportunity and the company's financing decision should not be traded against each other.

The issue is not only whether the shares rise after listing, because a favourable allocation can be offered as an inducement before the eventual return is known, so the conflict comes from the relationship and purpose, not a guaranteed trading profit. FINRA's rule applies to member firms and associated persons, and its spinning section addresses accounts with beneficial interests held by an executive officer or director of a public company or covered non-public company, or a person materially supported by them, so the defined categories and account interests matter.

One covered relationship is current investment-banking business or compensation received for such services within the previous twelve months, while another concerns known or reasonably anticipated retention within the next three months. A further prohibition addresses an express or implied condition that the executive or director will retain the firm for future banking services.

These periods are specific rule conditions, not general guarantees of safety outside a calendar window, and other provisions and conflicts can still apply, so the allocation must be assessed using the full current rule and actual facts. Rule 5131 includes exceptions for specified accounts and a beneficial-interest threshold for certain other accounts, so an exemption should be documented rather than inferred from a vague statement that the recipient is not investing personally.

Indirect interests and materially supported persons can be relevant. Spinning differs from flipping, because flipping generally describes selling new-issue shares soon after receipt while spinning concerns who gets an allocation and the banking-business conflict, so a recipient could retain shares and still create the allocation concern.

It also differs from a legitimate friends-and-family program considered in isolation, but that label does not establish compliance with every allocation rule. Review the actual beneficiaries, offering arrangement and relevant exceptions.

The company's board may face a governance question even apart from the broker's regulatory duties, since a decision-maker receiving a personal benefit should disclose relevant conflicts under applicable company procedures. The company needs an adviser chosen for its own interests rather than the executive's allocation prospects.

Compliance controls begin before distribution, because firms need information about beneficial ownership and relationships relevant to the allocation and incomplete account data can leave the question unanswered. Documentation should record the actual basis for approval or restriction, since a favourable IPO outcome can make a questionable allocation more visible later, but a loss does not prove that the original allocation was proper, as outcome and process are separate.

For a non-finance manager, treat an offered allocation linked to a banking mandate as a conflict warning, pause the personal-benefit discussion and ask qualified compliance staff to evaluate the current rules. The safest commercial conversation focuses on service quality, terms and the company's needs, not access to shares for its leaders.

In practice

Real-world examples.

1

Example

A fictional banker offers a sought-after allocation to an executive while discussing a future financing mandate. The company and broker review the conflict before treating the offer as ordinary investment access.

2

Example

A fictional director receives shares through an account with an indirect beneficial interest. The account title alone does not settle whether the rule applies.

3

Example

A fictional investor sells IPO shares the next morning without any banking-business relationship. That sale illustrates flipping, not automatically spinning.

Formula

Calculation

Illustrative personal trading gain = shares allocated x (sale price - offering price), before costs and tax. An allocation of 2,000 shares at $20 sold at $28 produces 2,000 x ($28 - $20) = $16,000. This fictional calculation shows why allocations can be valuable; neither a gain nor a loss determines whether the allocation met FINRA's relationship and account rules.

Case study

Seen in the real world.

This case study is fictional and illustrative. A finance director helps select an investment bank for a corporate transaction. One bidder separately offers the director an allocation in a heavily demanded IPO. The director discloses the offer, and compliance reviews the account's beneficial interests and the banking relationship.

The selection committee keeps the corporate mandate assessment separate from the personal opportunity. It does not assume that paying the public offering price removes the conflict. The company chooses an adviser using documented service and pricing criteria. The example demonstrates why allocation controls must precede distribution, rather than asking after listing whether the executive actually made money.

Watch out

Common mistakes.

  • Confusing spinning with the separate act of flipping shares after an IPO.
  • Ignoring indirect beneficial interests or related persons when checking an account.
  • Assuming no profit, no explicit promise or a friends-and-family label automatically removes the conflict.

Questions

People also ask.

Does spinning require shares to be sold quickly?

No. The allocation and banking-business relationship are the central issue, not the speed of resale.

Which US rule addresses it?

FINRA Rule 5131 contains specific spinning restrictions, definitions and exceptions.

Does every executive allocation violate the rule?

Not automatically. The full rule, account interests, relationships and applicable exceptions require analysis.

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Last updated · October 8, 2026
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Disclaimer

The information provided in this finance dictionary is for educational and informational purposes only. It should not be construed as financial, investment, legal, or tax advice. Always consult with a qualified professional before making any financial decisions. Money Master HQ makes no representations or warranties about the accuracy, completeness, or suitability of this information. Use of this content is at your own risk.