Entity type
Individual
Filer Snapshot
Katarina Luptakova
CIK 0001991149. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
7
Latest filing
05 Jan 2026
Industry
n/a
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: Forms 3/4/5 owner position for XLO. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
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No parsed 13F portfolio row yet.
Browse latest 13FLargest parsed holding
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Populates from the latest parsed 13F information table.
Open holding13D/G large stake
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No recent parsed 13D/G stake row for this CIK.
Browse 13D/GInsider / owner context
XLO
31 Dec 2025 · $73K
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Source: SEC Forms 3/4/5
View Source Filing
4 filed on 05 Jan 2026 for CIK 0001991149.
- Business address
- C/O Xilio Therapeutics, Inc., 828 Winter Street, Waltham, MA, 02451
- Parsed ownership coverage
-
Form 3/4/5 holdings value
$73K
Estimated from parsed insider ownership filings when values are available.
- Top disclosed positions
- XLO
Identity
SEC ownership signals
Filer intelligence
What SEC filings say about Katarina Luptakova
A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.
Quick read
- Forms 3/4/5 show insider context for XLO worth $73K.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Forms 3/4/5 insider context
XLO
31 Dec 2025 · CHIEF MEDICAL OFFICER
Latest update
What changed recently for Katarina Luptakova
Latest ownership report period: 31 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.
Update date
05 Jan 2026
Page type
Ownership filings
Latest period
31 Dec 2025
Ownership context was refreshed from SEC Forms 3/4/5 filed on 05 Jan 2026.
SEC filing record
CIK 0001991149 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
7
First seen
07 Sep 2023
Latest filing
05 Jan 2026
Entity
Individual
Observed form types
4
3
Latest Filings
Showing the latest 7 of 7 SEC filings for Katarina Luptakova.
4
File 001-40925
4
- Filing date
- 05 Jan 2026
- Reporting date
- 31 Dec 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-40925
4
- Filing date
- 25 Nov 2025
- Reporting date
- 21 Nov 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-40925
4 filing
- Filing date
- 03 Jan 2025
- Reporting date
- 01 Jan 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-40925
4 filing
- Filing date
- 03 May 2024
- Reporting date
- 01 May 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-40925
4 filing
- Filing date
- 03 Jan 2024
- Reporting date
- 01 Jan 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-40925
OWNERSHIP DOCUMENT
- Filing date
- 07 Sep 2023
- Reporting date
- 05 Sep 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
3
File 001-40925
OWNERSHIP DOCUMENT
- Filing date
- 07 Sep 2023
- Reporting date
- 05 Sep 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing