Filer Snapshot

Aptorum Group Ltd

CIK 0001734005. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Company

Total Filings

231

Latest Filing

29 May 2026

Industry

Measuring & Controlling Devices, Nec

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: SEC filing timeline only. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

Largest parsed holding

Populates from the latest parsed 13F information table.

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13D/G large stake

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Source: SEC filing POS AM

POS AM filed on 29 May 2026 for CIK 0001734005.

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Identity
Business address
17 Hanover Square, London, United Kingdom, W1S 1BN
SEC record
State of incorporation
Cayman Islands
Fiscal year end
31 December

Filer intelligence

What SEC filings say about Aptorum Group Ltd

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

No XML rows yet
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

No parsed ownership summary yet

We still show the SEC filing timeline below. The intelligence summary will populate when parsed 13F, 13D/G, or Forms 3/4/5 data exists for this CIK.

Latest update

What changed recently for Aptorum Group Ltd

New fact period available

Latest financial period: Q4 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

11 May 2026

Page type

Company facts

Latest period

Q4 2025

SEC-backed company facts were refreshed from filings filed on 11 May 2026.

Benchmark Context

Benchmark context for this company

Aptorum Group Ltd has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest financial period: Q4 2025. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 11 May 2026.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

SEC filing record

CIK 0001734005 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
231
First seen
28 Mar 2018
Latest filing
29 May 2026
Entity
Company

Observed form types

POS AM 6-K EFFECT S-4/A 20-F 6-K/A F-3 424B5 CORRESP DEL AM +23 more

Industry context: Measuring & Controlling Devices, Nec.

Latest Filings

Showing the latest 12 of 231 SEC filings for Aptorum Group Ltd.

POS AM File 333-291593

POST-EFFECTIVE AMENDMENT NO. 1 TO FORM F-1

Filing date
29 May 2026
Reporting date
Not listed
Next action
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6-K File 001-38764

CURRENT REPORT

Filing date
14 May 2026
Reporting date
31 Dec 2025
Next action
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EFFECT File 333-290742

EFFECT filing

Filing date
13 May 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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S-4/A File 333-290742

REGISTRATION STATEMENT

Filing date
11 May 2026
Reporting date
Not listed
Next action
Verify source filing
S-4/A File 333-290742

REGISTRATION STATEMENT

Filing date
30 Apr 2026
Reporting date
Not listed
Next action
Verify source filing
6-K File 001-38764

REPORT OF FOREIGN PRIVATE ISSUER

Filing date
31 Mar 2026
Reporting date
31 Dec 2025
Next action
Verify source filing
S-4/A File 333-290742

REGISTRATION STATEMENT

Filing date
30 Mar 2026
Reporting date
Not listed
Next action
Verify source filing
20-F File 001-38764

ANNUAL REPORT

Filing date
27 Mar 2026
Reporting date
31 Dec 2025
Next action
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6-K/A File 001-38764

FORM 6-K/A

Filing date
26 Mar 2026
Reporting date
26 Mar 2026
SEC evidence
Open document Open filing
Next action
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6-K File 001-38764

FORM 6-K

Filing date
11 Mar 2026
Reporting date
11 Mar 2026
SEC evidence
Open document Open filing
Next action
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6-K File 001-38764

REPORT OF FOREIGN PRIVATE ISSUER

Filing date
06 Mar 2026
Reporting date
06 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
6-K File 001-38764

REPORT OF FOREIGN PRIVATE ISSUER

Filing date
06 Feb 2026
Reporting date
06 Feb 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
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