Assessment of Market Manipulation and Insider Dealing Risks in Sponsor Due Diligence

The SFC’s 2024 thematic review of sponsor due diligence, published in December 2024, identified market manipulation and insider dealing risk assessments as a persistent weakness across 60% of the 25 reviewed IPO transactions. The regulator noted that sponsor firms routinely failed to document how they identified red flags in price formation, order book composition, and pre-IPO share transfers—areas directly linked to Listing Rule 3A.02 and the Code of Conduct for Persons Licensed by or Registered with the SFC (the Code of Conduct), paragraph 17.6. With the SFC’s Enforcement Division increasing its focus on IPO-related misconduct—filing 12 market manipulation cases against sponsors and their clients between 2022 and 2024—the compliance burden on SFC Type 6 (advising on corporate finance) and Type 6A (sponsor) licensees has never been higher. This article examines the regulatory framework, practical assessment methodologies, and documentation standards that sponsors must adopt to meet the SFC’s expectations in the 2025-2026 enforcement cycle.

The Regulatory Framework for Market Manipulation and Insider Dealing Risk Assessment

SFC Code of Conduct and the Sponsor’s Gatekeeper Duty

Paragraph 17.6 of the Code of Conduct imposes a positive obligation on sponsors to take all reasonable steps to ensure that information in a listing document is accurate and complete in all material respects. This duty extends to assessing whether the price formation process for the IPO shares has been tainted by market manipulation or insider dealing. The SFC’s 2024 thematic review explicitly stated that sponsors must evaluate the integrity of the pre-IPO trading history, the allocation of shares in the placing, and the post-listing price support mechanisms. Failure to do so constitutes a breach of paragraph 17.6, exposing the sponsor to disciplinary action under section 194 of the Securities and Futures Ordinance (Cap. 571).

HKEX Listing Rules and the Pre-IPO Pricing Process

HKEX Listing Rule 9.11(23) requires a sponsor to confirm that the offer price has been determined by a formal bookbuilding process or a fixed price mechanism that is fair and transparent. The SFC’s 2024 review found that in 8 of the 25 sampled transactions, sponsors had not adequately documented how they verified that the final offer price was not the result of coordinated bidding or artificial demand creation. The regulator’s guidance, issued in SFC Circular SFC/ER/2024-03, emphasised that sponsors must obtain and review the full order book data from the bookrunner, including the identity of all placees, the size of their orders, and the timing of order submissions. Any pattern of last-minute orders from connected parties or repeated orders from a single beneficial owner should trigger a red flag review.

Insider Dealing Under the Securities and Futures Ordinance

Section 291 of the Securities and Futures Ordinance (Cap. 571) criminalises insider dealing in connection with a listing. The SFC’s 2024 enforcement report noted that 30% of insider dealing cases filed in the past three years involved pre-IPO share transfers or the use of nominee accounts to disguise beneficial ownership. For sponsors, the risk arises when a pre-IPO investor who is a connected person of the issuer—such as a director, substantial shareholder, or their associates—transfers shares to a third party at a price that is not at arm’s length. The sponsor must verify that such transfers are not designed to circumvent the insider dealing provisions by allowing the connected person to realise a profit before the listing. The SFC’s Guidance Note on Pre-IPO Investments, published in January 2023, requires sponsors to obtain a written confirmation from each pre-IPO investor that they have not traded on the basis of material non-public information.

Practical Assessment Methodologies for Sponsors

Order Book Integrity and Price Formation Review

The first line of defence against market manipulation is a rigorous review of the order book. The sponsor must obtain from the bookrunner a complete electronic record of all orders received during the bookbuilding period, including the time stamp, order size, bid price, and the ultimate beneficial owner of each order. The SFC’s 2024 thematic review recommended that sponsors use a three-tier red flag framework:

• Tier 1 (high risk): Orders from connected parties of the issuer, the sponsor, or the bookrunner; orders that are withdrawn and resubmitted at a higher price; and orders that are placed within the final 30 minutes of the bookbuilding process.
• Tier 2 (medium risk): Orders from placees who have a history of flipping shares immediately after listing; orders that are split across multiple nominee accounts; and orders that are significantly larger than the average order size for the tranche.
• Tier 3 (low risk): Orders from institutional investors with a long-term track record; orders that are submitted at the beginning of the bookbuilding period; and orders that are consistent with the investor’s disclosed investment strategy.

The sponsor must document the rationale for each red flag determination and, where a red flag is identified, conduct further inquiries. In the 2024 review, the SFC cited a case where a sponsor failed to investigate a Tier 1 red flag—an order from a director’s family member that was placed at 4:30 PM on the final day of bookbuilding—and the director was subsequently charged with insider dealing under section 291. The sponsor received a public reprimand and a fine of HKD 8 million.

Pre-IPO Share Transfer Verification

Pre-IPO share transfers are a common mechanism for insider dealing. The sponsor must obtain a complete register of all share transfers occurring within the 12 months preceding the listing application, as required by HKEX Listing Rule 9.11(22). For each transfer, the sponsor must verify:

• The identity of the transferor and transferee, including their relationship to the issuer and its directors.
• The consideration paid, which must be at arm’s length and supported by a valuation report if the shares are not publicly traded.
• The timing of the transfer relative to the issuer’s disclosure of material information, such as financial results or business updates.

The SFC’s 2024 review found that in 5 of the 25 sampled transactions, sponsors had not obtained the underlying transfer agreements or had relied on verbal confirmations from the issuer’s legal counsel. The regulator’s guidance is clear: the sponsor must obtain and review the original transfer documents, including the sale and purchase agreement, the share certificate, and the board resolution approving the transfer. Where the transfer price is below the IPO offer price by more than 20%, the sponsor must obtain a written explanation from the transferor and assess whether the discount reflects a genuine commercial rationale or an attempt to circumvent the insider dealing provisions.

Post-Listing Price Support and Stabilisation Mechanisms

Post-listing price support is a legitimate activity under the SFC’s Code of Conduct, provided it is conducted by a stabilising manager in accordance with the Listing Rules and the Code of Conduct. However, the SFC’s 2024 review identified two patterns of manipulation that sponsors must assess during due diligence:

• Artificial price support through coordinated buying: Where the issuer or its connected parties arrange for placees to purchase additional shares in the secondary market to maintain the share price above the offer price. The sponsor must review the placing agreement to ensure that there is no clause requiring placees to refrain from selling for a specified period, unless such a lock-up is disclosed in the prospectus and complies with the Listing Rules.
• Use of nominee accounts to mask price support: Where the issuer or its connected parties use nominee accounts to purchase shares in the secondary market. The sponsor must obtain a list of all placees and cross-reference their beneficial ownership against the issuer’s directors, substantial shareholders, and their associates. Any match should be reported to the SFC as a potential breach of section 300 of the Securities and Futures Ordinance (Cap. 571), which prohibits false trading and market manipulation.

The SFC’s 2024 enforcement action against a sponsor in the technology sector, where the sponsor failed to identify that 40% of the placees were connected to the issuer’s CEO, resulted in a fine of HKD 15 million and a suspension of the sponsor’s Type 6A licence for 12 months.

Documentation Standards and Compliance Procedures

The Sponsor’s Due Diligence Checklist and Work Papers

The SFC’s 2024 thematic review emphasised that the sponsor’s due diligence work papers must contain a specific section on market manipulation and insider dealing risk assessment. The work papers should include:

• A copy of the order book data from the bookrunner, with red flags annotated and explained.
• A register of all pre-IPO share transfers, with supporting documents for each transfer.
• A list of all placees, with their beneficial ownership verified against the issuer’s connected parties.
• A written analysis of the pricing process, including the rationale for the final offer price and any adjustments made during the bookbuilding period.
• A confirmation from the sponsor’s compliance officer that the assessment has been reviewed and approved.

The SFC’s Circular SFC/ER/2024-03 requires that these work papers be maintained for a period of seven years after the listing, in accordance with section 380 of the Securities and Futures Ordinance (Cap. 571). Failure to maintain adequate records is a breach of paragraph 17.6 of the Code of Conduct and may result in disciplinary action.

Independent Review by the Sponsor’s Compliance Function

The SFC’s 2024 review recommended that sponsors establish an independent compliance function to review the market manipulation and insider dealing risk assessment before the listing application is submitted. The compliance function should be separate from the deal team and should report directly to the sponsor’s board of directors. The review should focus on:

• Whether the red flag framework has been applied consistently across all orders and transfers.
• Whether any red flags have been escalated to the SFC or the HKEX.
• Whether the work papers are complete and supported by documentary evidence.

In the 2024 review, the SFC noted that 40% of the sampled sponsors did not have a formal compliance review process for the market manipulation and insider dealing assessment. The regulator’s guidance is that sponsors should adopt a two-person rule: the deal team prepares the assessment, and the compliance officer independently reviews and signs off on it.

Reporting Obligations to the SFC and HKEX

Where the sponsor identifies a potential breach of the market manipulation or insider dealing provisions, it must report the matter to the SFC under section 380 of the Securities and Futures Ordinance (Cap. 571). The report must be made within a reasonable time, and the sponsor must provide all relevant documents, including the order book data, the pre-IPO transfer register, and the sponsor’s analysis. Failure to report is a separate breach that can result in a fine of up to HKD 10 million and imprisonment for up to two years.

The sponsor must also notify the HKEX under Listing Rule 9.11(23) if it becomes aware of any facts that may affect the integrity of the listing process. The HKEX may require the sponsor to withdraw the listing application or to include additional disclosures in the prospectus. In 2023, the HKEX rejected three listing applications on the grounds that the sponsor had not adequately assessed the risk of market manipulation in the order book.

Enforcement Trends and Case Law

SFC Enforcement Actions Against Sponsors

The SFC’s enforcement division has increased its focus on sponsor due diligence failures in the area of market manipulation and insider dealing. Between 2022 and 2024, the SFC filed 12 cases against sponsors, resulting in fines totalling HKD 87 million and suspensions of Type 6A licences for periods ranging from 6 to 24 months. The most common deficiencies identified were:

• Failure to obtain the order book data from the bookrunner (4 cases).
• Failure to verify the beneficial ownership of placees (3 cases).
• Failure to investigate red flags in pre-IPO share transfers (3 cases).
• Failure to maintain adequate work papers (2 cases).

The SFC’s 2024 enforcement action against Sponsor A, a mid-tier firm, is instructive. The sponsor had relied on the bookrunner’s representation that the order book was clean, without obtaining the underlying data. When the SFC investigated, it found that 30% of the orders were from connected parties of the issuer. The sponsor was fined HKD 12 million and its Type 6A licence was suspended for 18 months. The SFC’s press release stated that the sponsor’s reliance on the bookrunner’s representation was not a reasonable step under paragraph 17.6 of the Code of Conduct.

Court Decisions on Insider Dealing in the IPO Context

The Court of Appeal’s decision in SFC v. Li Kwok Hung (2023) 3 HKLRD 456 established that a pre-IPO share transfer by a director to a family member at a price 50% below the IPO offer price constituted insider dealing under section 291 of the Securities and Futures Ordinance (Cap. 571). The court held that the director had used the transfer to realise a profit before the listing, and that the family member was a knowing recipient of the insider information. The sponsor in that case had not obtained the transfer agreement and had relied on the issuer’s representation that the transfer was a gift. The SFC subsequently fined the sponsor HKD 8 million for failing to conduct adequate due diligence.

The Court of First Instance’s decision in SFC v. Wong Chi Keung (2024) 4 HKLRD 123 further clarified that a sponsor’s failure to identify a pattern of last-minute orders from connected parties constituted a breach of the sponsor’s gatekeeper duty. The court noted that the sponsor had not applied any red flag framework and had accepted the bookrunner’s order book data without independent verification. The sponsor was ordered to pay HKD 10 million in costs and its Type 6A licence was suspended for 12 months.

Actionable Takeaways for Sponsors

1. Obtain and independently review the full order book data from the bookrunner, including time stamps, order sizes, and beneficial ownership, and apply a documented three-tier red flag framework to identify potential market manipulation.
2. Verify all pre-IPO share transfers occurring within 12 months of the listing application by obtaining the original transfer documents and assessing whether the consideration is at arm’s length, with a mandatory escalation to the SFC if the discount exceeds 20% of the IPO offer price.
3. Establish an independent compliance function to review the market manipulation and insider dealing risk assessment before the listing application is submitted, with a two-person rule requiring both the deal team and the compliance officer to sign off.
4. Maintain all work papers for seven years after the listing, including the order book data, the pre-IPO transfer register, and the red flag analysis, as required by section 380 of the Securities and Futures Ordinance (Cap. 571).
5. Report any identified red flags to the SFC under section 380 within a reasonable time, and notify the HKEX under Listing Rule 9.11(23) if the integrity of the listing process is compromised.