A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.

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New filings appear as the SEC updates EDGAR, and older records can vary by availability.

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Updates follow new EDGAR submissions and periodic data refreshes.

Filer Snapshot

Linda Maxwell

CIK 0001822674. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

Latest filing

28 Jul 2025

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 UTHR. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Latest 13F portfolio

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Largest parsed holding

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13D/G large stake

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No recent parsed 13D/G stake row for this CIK.

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Insider / owner context

UTHR

24 Jul 2025

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Source: SEC Forms 3/4/5

4 filed on 28 Jul 2025 for CIK 0001822674.

View Source Filing

Business address: 1040 Spring Street, Silver Spring, NC, 27709

Filer intelligence

What SEC filings say about Linda Maxwell

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

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Quick read

Forms 3/4/5 show insider context for UTHR.

SEC source mix

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

XML parsed

13F portfolio No rows yet

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 2 rows

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

Open

Forms 3/4/5 insider context

UTHR

24 Jul 2025

Issuer page Owner page

IBRX

18 Jun 2025

Issuer page Owner page

Latest update

What changed recently for Linda Maxwell

Ownership report updated

Latest ownership report period: 24 Jul 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

28 Jul 2025

Page type

Ownership filings

Latest period

24 Jul 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 28 Jul 2025.

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SEC filing record

CIK 0001822674 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

First seen

11 Sep 2020

Latest filing

28 Jul 2025

Entity

Individual

Observed form types

4 3

Primary evidence

Open SEC filing index Linda Maxwell SEC filings Linda Maxwell owner filings

Latest Filings

Showing the latest 12 of 15 SEC filings for Linda Maxwell.

Open full filing history

4 File 000-26301

PRIMARY DOCUMENT

Filing date: 28 Jul 2025
Reporting date: 24 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37507

FORM 4

Filing date: 20 Jun 2025
Reporting date: 18 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26301

4 filing

Filing date: 26 Jul 2024
Reporting date: 25 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37507

FORM 4

Filing date: 13 Jun 2024
Reporting date: 11 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26301

4 filing

Filing date: 17 Jul 2023
Reporting date: 13 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37507

FORM 4

Filing date: 15 Jun 2023
Reporting date: 13 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26301

4 filing

Filing date: 08 Jul 2022
Reporting date: 07 Jul 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37507

FORM 4

Filing date: 15 Jun 2022
Reporting date: 14 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26301

4 filing

Filing date: 27 May 2022
Reporting date: 27 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26301

PRIMARY DOCUMENT

Filing date: 09 Jul 2021
Reporting date: 08 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37507

FORM 4 SUBMISSION

Filing date: 14 Jun 2021
Reporting date: 10 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37507

FORM 4 SUBMISSION

Filing date: 05 May 2021
Reporting date: 03 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

Linda Maxwell

Start with the SEC data that changes for this CIK

What SEC filings say about Linda Maxwell

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Linda Maxwell

CIK 0001822674 filing coverage

Latest Filings

PRIMARY DOCUMENT

FORM 4

4 filing

FORM 4

4 filing

FORM 4

4 filing

FORM 4

4 filing

PRIMARY DOCUMENT

FORM 4 SUBMISSION

FORM 4 SUBMISSION

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