Filer Snapshot

Mangini Siobhan Nolan

CIK 0001679464. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

45

Latest filing

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

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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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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Source: SEC Forms 3/4/5

4 filed on 07 Jul 2025 for CIK 0001679464.

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Ownership signals 1 signal
Ownership signals

SEC value by filing type

Compare filing types separately; 13F, 13D/G, and Forms 3/4/5 are different evidence sources.

Forms 3/4/5 positions$436.6K

Reporting-owner positions with enough data to estimate value.

Estimated Forms 3/4/5 position value

$436.6K

Estimated only when owner filings include enough share and price data.

Largest linked SEC positions

Largest issuer positions found across parsed 13F, 13D/G, and Forms 3/4/5 data.

ALIT NGM
How to read these SEC values
  • Read each filing type on its own: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different questions.
  • Open the linked research paths when you need to verify the exact SEC filing behind a value.
Identity 1 identity field
Business address
C/O Nmg Biopharmaceuticals, Inc., 333 Oyster Point Blvd., South San Francisco, CA, 94080

Filer intelligence

What SEC filings say about Mangini Siobhan Nolan

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 ALIT worth $334.8K.

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.

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Forms 3/4/5 insider context

ALIT

02 Jul 2025

$334.8K
Issuer page Owner page

NGM

02 Mar 2023 · President and CFO

$101.8K
Issuer page Owner page

Latest update

What changed recently for Mangini Siobhan Nolan

Ownership report updated

Latest ownership report period: 02 Jul 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

07 Jul 2025

Page type

Ownership filings

Latest period

02 Jul 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 07 Jul 2025.

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SEC filing record

CIK 0001679464 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
45
First seen
12 Jul 2016
Latest filing
07 Jul 2025
Entity
Individual

Observed form types

4 3

CIK-linked evidence first

Mangini Siobhan Nolan SEC filings Mangini Siobhan Nolan owner filings Open SEC filing index

Latest Filings

Showing the latest 12 of 45 SEC filings for Mangini Siobhan Nolan.

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4 File 001-39299

FORM 4

Filing date
07 Jul 2025
Reporting date
02 Jul 2025
SEC evidence
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4 File 001-39299

FORM 4

Filing date
17 Jan 2025
Reporting date
15 Jan 2025
SEC evidence
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4 File 001-39299

4

Filing date
03 Jan 2024
Reporting date
02 Jan 2024
SEC evidence
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3 File 001-39299

3

Filing date
03 Jan 2024
Reporting date
01 Jan 2024
SEC evidence
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4 File 001-38853

FORM 4 SUBMISSION

Filing date
06 Mar 2023
Reporting date
02 Mar 2023
SEC evidence
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4 File 001-38853

FORM 4 SUBMISSION

Filing date
01 Jul 2022
Reporting date
01 Jul 2022
SEC evidence
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4 File 001-38853

FORM 4 SUBMISSION

Filing date
04 Mar 2022
Reporting date
03 Mar 2022
SEC evidence
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4 File 001-38853

FORM 4 SUBMISSION

Filing date
18 Mar 2021
Reporting date
17 Mar 2021
SEC evidence
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4 File 001-38853

FORM 4 SUBMISSION

Filing date
03 Feb 2021
Reporting date
03 Aug 2020
SEC evidence
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3 File 001-38853

FORM 3 SUBMISSION

Filing date
15 Jul 2020
Reporting date
13 Jul 2020
SEC evidence
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4 File 001-36330

FORM 4 SUBMISSION

Filing date
19 Feb 2020
Reporting date
16 Feb 2020
SEC evidence
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4 File 001-36330

FORM 4

Filing date
03 Jan 2020
Reporting date
31 Dec 2019
SEC evidence
Open document Open filing
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