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Abacus Storage King (ASX:ASK), the listed self-storage stapled group made up of Storage King Property Trust and Abacus Storage Operations Limited, has submitted a Final Director's Interest Notice confirming that Steven Sewell ended his directorship on 1 July 2026. This notice, filed under ASX Listing Rule 3.19A.3 and section 205G of the Corporations Act, provides a final overview of Sewell’s total securities holdings, including both direct and indirect interests. At his departure, Sewell held over 1.2 million ASK securities across personal and family trust structures. This filing completes Sewell’s disclosure requirements as a director of one of Australia’s leading listed self-storage entities.<\/p> <\/div>
Key Points<\/h3>
- Entity: Abacus Storage King (ASX:ASK), consisting of Storage King Property Trust (SKPT) and Abacus Storage Operations Limited (ASOL)<\/li>
- Steven Sewell officially ceased his role as director on 1 July 2026<\/li>
- Final securities holding reported at approximately 1,249,347 ASK units combining direct and indirect interests<\/li>
- Holdings span personal ownership, the Sewell Family Trust, and three trustee structures for S.M Sewell, R.J Sewell, and D.M Sewell respectively<\/li>
- No director interests in contracts were declared; Part 3 of the notice marked as not applicable<\/li>
- Investors should monitor for announcements regarding Sewell’s replacement or changes to board composition<\/li>
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Steven Sewell’s Board Departure Effective 1 July 2026<\/h2>
The company confirmed that Steven Sewell’s directorship with Abacus Storage King concluded on 1 July 2026. The previous director’s interest notice for Sewell was dated 26 November 2025, making this Final Director’s Interest Notice the first formal update on his securities holdings since then and serving as the final record of his reportable interests under the Corporations Act.<\/p>
The submission of an Appendix 3Z is a standard regulatory procedure under ASX Listing Rule 3.19A.3, required when a director leaves office. It ensures the final status of their securities interests is publicly recorded before their disclosure obligations end. The notice does not specify the reasons for Sewell’s resignation, nor did the company provide additional details in the announcement. Investors seeking further context should watch for future company communications regarding board changes.<\/p>
Directly Registered ASK Securities Held by Sewell at Departure<\/h2>
Part 1 of the Final Director’s Interest Notice details securities directly registered in Steven Sewell’s name at the time he stepped down. He held 146,776 ordinary ASK securities personally. According to ASX Listing Rules and the Corporations Act, these are considered direct holdings of a director’s notifiable interest.<\/p>
Although this direct stake represents only a fraction of Sewell’s total holdings, it signifies a significant personal investment in Abacus Storage King. ASK securities are stapled units combining interests in both Storage King Property Trust and Abacus Storage Operations Limited, traded as a single security. The company did not report any changes to this direct holding between November 2025 and July 2026.<\/p>
Sewell Family Trust and SSSewell Pty Ltd Holdings Total 947,380 Securities<\/h2>
The largest portion of Sewell’s securities reported in the Final Director’s Interest Notice is held via the Sewell Family Trust, managed through the corporate trustee SSSewell Pty Ltd under the name "Sewell Family A/C." This trust held 947,380 ASK securities as of Sewell’s departure date. These holdings fall under Part 2 of the Appendix 3Z, representing securities where Sewell has a relevant interest but is not the registered holder. Such arrangements are common for directors holding shares through family trusts for estate or asset management.<\/p>
The corporate trustee structure is typical in Australian private wealth management. Under the Corporations Act, a director is deemed to have a relevant interest in securities held by trusts where they are beneficiaries or controllers, even if not registered directly. This explains why these holdings appear in Part 2 rather than Part 1, despite constituting the majority of Sewell’s total position.<\/p>
Additional Trustee Holdings for S.M Sewell, R.J Sewell, and D.M Sewell<\/h2>
Besides the Sewell Family Trust, the notice reveals three further ASK security parcels held under trustee arrangements where Steven Sewell acts as trustee for S.M Sewell, R.J Sewell, and D.M Sewell. These holdings amount to 51,747, 51,706, and 51,738 ASK securities respectively. While the company does not clarify the relationships, these likely represent family-related holdings.<\/p>
The nearly equal distribution across these three trustee accounts—ranging from 51,706 to 51,747 securities—is notable. Combined, these total 155,191 ASK securities. Alongside the 947,380 units held via the Sewell Family Trust, the total indirect interests reported in Part 2 sum to 1,102,571 ASK securities. Adding the 146,776 directly held securities from Part 1, Sewell’s overall disclosed interest at departure was approximately 1,249,347 ASK securities.<\/p>
Appendix 3Z Disclosure Requirements for Abacus Storage King’s Stapled Structure<\/h2>
Abacus Storage King operates as a stapled group, where each ASK security on the ASX represents a combination of a unit in Storage King Property Trust (ABN: 99 834 531 714) and a share in Abacus Storage Operations Limited (ABN: 37 112 457 075). This dual-entity setup is common among Australian listed real estate and infrastructure trusts and requires that interests in both entities be disclosed together.<\/p>
The Appendix 3Z form, introduced by ASX on 30 September 2001, is mandated under Listing Rule 3.19A.3 for lodging a final director’s interest notice promptly after a director leaves office. The notice is lodged by the entities acting as agents for the director under section 205G of the Corporations Act 2001. The form also states that information provided to ASX becomes ASX’s property and may be made public to maintain market transparency post-departure.<\/p>
No Director Contract Interests Disclosed at Departure<\/h2>
Part 3 of the Final Director’s Interest Notice, which requires disclosure of any director interests in contracts related to Abacus Storage King, was marked "N/A," indicating Steven Sewell held no notifiable contract interests at the time he left. This confirms there are no ongoing contractual ties requiring further disclosure or monitoring after his exit.<\/p>
The absence of contract interests simplifies the closure of Sewell’s director disclosure obligations and reassures market participants that no related-party contracts remain to be unwound. The company did not provide any details about separation agreements, advisory roles, or consulting arrangements in this update.<\/p>
Implications of Sewell’s Exit for Abacus Storage King’s Board<\/h2>
A director’s departure can affect board composition, committee memberships, and governance continuity. Abacus Storage King has not disclosed whether a replacement director has been appointed or sought. Investors and analysts should watch for future announcements regarding new board appointments or committee changes following Sewell’s departure.<\/p>
The self-storage sector has attracted growing investor interest in Australia, with Abacus Storage King among the few ASX-listed pure-play companies in this space. Board stability and continuity are factors institutional and retail investors consider when evaluating strategic direction and management quality. The immediate market reaction to this disclosure was unclear, as a Final Director’s Interest Notice is a regulatory disclosure rather than an operational or financial update.<\/p>
Director Disclosure Reflects Abacus Storage King’s Dual Entity Structure<\/h2>
Abacus Storage King’s composition of Storage King Property Trust and Abacus Storage Operations Limited means director disclosure obligations cover both entities simultaneously. The ABNs for both entities appear on the Appendix 3Z notice, confirming the disclosure relates to Sewell’s interests in the combined stapled group rather than either entity alone. This corresponds with how ASK securities trade on the ASX as a single stapled instrument.<\/p>
For ASK investors, understanding the stapled structure is essential when interpreting director interest disclosures. The trust (SKPT) owns the property assets, while the operating company (ASOL) manages the self-storage business. Thus, a director’s interests span both components, explaining the joint entity references on the notice. The company did not report any operational changes linked to Sewell’s departure.<\/p>
Investor Takeaways After Final Director’s Interest Notice Filing<\/h2>
The Appendix 3Z filing by Abacus Storage King finalizes Steven Sewell’s director disclosure duties. For current and prospective ASK investors, the key point is that Sewell held an aggregated stake of about 1.25 million ASK securities when he left the board on 1 July 2026. Market participants will likely monitor whether any of these holdings are sold now that Sewell is no longer bound by director trading restrictions and ASX window policies.<\/p>
It is important to note that this update does not signal any planned sell-down or intentions regarding Sewell’s holdings. Former directors are not required to report subsequent changes in their securities after lodging their final notice. Investors and analysts wishing to track changes in ASK’s register related to these holdings should follow substantial holder notices or on-market trading data as it emerges. The next significant updates for Abacus Storage King investors will likely concern board appointments or operational and financial disclosures.<\/p>
Steven Sewell’s Board Departure Effective 1 July 2026<\/h2>
The company confirmed that Steven Sewell’s directorship with Abacus Storage King concluded on 1 July 2026. The previous director’s interest notice for Sewell was dated 26 November 2025, making this Final Director’s Interest Notice the first formal update on his securities holdings since then and serving as the final record of his reportable interests under the Corporations Act.<\/p>
The submission of an Appendix 3Z is a standard regulatory procedure under ASX Listing Rule 3.19A.3, required when a director leaves office. It ensures the final status of their securities interests is publicly recorded before their disclosure obligations end. The notice does not specify the reasons for Sewell’s resignation, nor did the company provide additional details in the announcement. Investors seeking further context should watch for future company communications regarding board changes.<\/p>
Directly Registered ASK Securities Held by Sewell at Departure<\/h2>
Part 1 of the Final Director’s Interest Notice details securities directly registered in Steven Sewell’s name at the time he stepped down. He held 146,776 ordinary ASK securities personally. According to ASX Listing Rules and the Corporations Act, these are considered direct holdings of a director’s notifiable interest.<\/p>
Although this direct stake represents only a fraction of Sewell’s total holdings, it signifies a significant personal investment in Abacus Storage King. ASK securities are stapled units combining interests in both Storage King Property Trust and Abacus Storage Operations Limited, traded as a single security. The company did not report any changes to this direct holding between November 2025 and July 2026.<\/p>
Sewell Family Trust and SSSewell Pty Ltd Holdings Total 947,380 Securities<\/h2>
The largest portion of Sewell’s securities reported in the Final Director’s Interest Notice is held via the Sewell Family Trust, managed through the corporate trustee SSSewell Pty Ltd under the name "Sewell Family A/C." This trust held 947,380 ASK securities as of Sewell’s departure date. These holdings fall under Part 2 of the Appendix 3Z, representing securities where Sewell has a relevant interest but is not the registered holder. Such arrangements are common for directors holding shares through family trusts for estate or asset management.<\/p>
The corporate trustee structure is typical in Australian private wealth management. Under the Corporations Act, a director is deemed to have a relevant interest in securities held by trusts where they are beneficiaries or controllers, even if not registered directly. This explains why these holdings appear in Part 2 rather than Part 1, despite constituting the majority of Sewell’s total position.<\/p>
Additional Trustee Holdings for S.M Sewell, R.J Sewell, and D.M Sewell<\/h2>
Besides the Sewell Family Trust, the notice reveals three further ASK security parcels held under trustee arrangements where Steven Sewell acts as trustee for S.M Sewell, R.J Sewell, and D.M Sewell. These holdings amount to 51,747, 51,706, and 51,738 ASK securities respectively. While the company does not clarify the relationships, these likely represent family-related holdings.<\/p>
The nearly equal distribution across these three trustee accounts—ranging from 51,706 to 51,747 securities—is notable. Combined, these total 155,191 ASK securities. Alongside the 947,380 units held via the Sewell Family Trust, the total indirect interests reported in Part 2 sum to 1,102,571 ASK securities. Adding the 146,776 directly held securities from Part 1, Sewell’s overall disclosed interest at departure was approximately 1,249,347 ASK securities.<\/p>
Appendix 3Z Disclosure Requirements for Abacus Storage King’s Stapled Structure<\/h2>
Abacus Storage King operates as a stapled group, where each ASK security on the ASX represents a combination of a unit in Storage King Property Trust (ABN: 99 834 531 714) and a share in Abacus Storage Operations Limited (ABN: 37 112 457 075). This dual-entity setup is common among Australian listed real estate and infrastructure trusts and requires that interests in both entities be disclosed together.<\/p>
The Appendix 3Z form, introduced by ASX on 30 September 2001, is mandated under Listing Rule 3.19A.3 for lodging a final director’s interest notice promptly after a director leaves office. The notice is lodged by the entities acting as agents for the director under section 205G of the Corporations Act 2001. The form also states that information provided to ASX becomes ASX’s property and may be made public to maintain market transparency post-departure.<\/p>
No Director Contract Interests Disclosed at Departure<\/h2>
Part 3 of the Final Director’s Interest Notice, which requires disclosure of any director interests in contracts related to Abacus Storage King, was marked "N/A," indicating Steven Sewell held no notifiable contract interests at the time he left. This confirms there are no ongoing contractual ties requiring further disclosure or monitoring after his exit.<\/p>
The absence of contract interests simplifies the closure of Sewell’s director disclosure obligations and reassures market participants that no related-party contracts remain to be unwound. The company did not provide any details about separation agreements, advisory roles, or consulting arrangements in this update.<\/p>
Implications of Sewell’s Exit for Abacus Storage King’s Board<\/h2>
A director’s departure can affect board composition, committee memberships, and governance continuity. Abacus Storage King has not disclosed whether a replacement director has been appointed or sought. Investors and analysts should watch for future announcements regarding new board appointments or committee changes following Sewell’s departure.<\/p>
The self-storage sector has attracted growing investor interest in Australia, with Abacus Storage King among the few ASX-listed pure-play companies in this space. Board stability and continuity are factors institutional and retail investors consider when evaluating strategic direction and management quality. The immediate market reaction to this disclosure was unclear, as a Final Director’s Interest Notice is a regulatory disclosure rather than an operational or financial update.<\/p>
Director Disclosure Reflects Abacus Storage King’s Dual Entity Structure<\/h2>
Abacus Storage King’s composition of Storage King Property Trust and Abacus Storage Operations Limited means director disclosure obligations cover both entities simultaneously. The ABNs for both entities appear on the Appendix 3Z notice, confirming the disclosure relates to Sewell’s interests in the combined stapled group rather than either entity alone. This corresponds with how ASK securities trade on the ASX as a single stapled instrument.<\/p>
For ASK investors, understanding the stapled structure is essential when interpreting director interest disclosures. The trust (SKPT) owns the property assets, while the operating company (ASOL) manages the self-storage business. Thus, a director’s interests span both components, explaining the joint entity references on the notice. The company did not report any operational changes linked to Sewell’s departure.<\/p>
Investor Takeaways After Final Director’s Interest Notice Filing<\/h2>
The Appendix 3Z filing by Abacus Storage King finalizes Steven Sewell’s director disclosure duties. For current and prospective ASK investors, the key point is that Sewell held an aggregated stake of about 1.25 million ASK securities when he left the board on 1 July 2026. Market participants will likely monitor whether any of these holdings are sold now that Sewell is no longer bound by director trading restrictions and ASX window policies.<\/p>
It is important to note that this update does not signal any planned sell-down or intentions regarding Sewell’s holdings. Former directors are not required to report subsequent changes in their securities after lodging their final notice. Investors and analysts wishing to track changes in ASK’s register related to these holdings should follow substantial holder notices or on-market trading data as it emerges. The next significant updates for Abacus Storage King investors will likely concern board appointments or operational and financial disclosures.<\/p>
