Entity type
Individual
Filer Snapshot
Edward T. Anderson
CIK 0001218581. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
17
Latest filing
19 Sep 2023
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 BASE. 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
BASE
24 Sep 2025 · $0
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Source: SEC Forms 3/4/5
View source filing
4 filed on 19 Sep 2023 for CIK 0001218581.
- Business address
- 950 Winter St Suite 4600, Watham, MA, 02451
Filer intelligence
What SEC filings say about Edward T. Anderson
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 BASE worth $0.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Forms 3/4/5 insider context
BASE
24 Sep 2025
MKFG
25 Apr 2025
LYRA
30 Jun 2023 · 10% owner
Latest update
What changed recently for Edward T. Anderson
Latest ownership report period: 24 Sep 2025. Open the source-backed page to inspect the fresh filing or facts context.
Update date
24 Sep 2025
Page type
Ownership filings
Latest period
24 Sep 2025
Ownership context was refreshed from SEC Forms 3/4/5 filed on 24 Sep 2025.
SEC filing record
CIK 0001218581 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
17
First seen
28 May 2021
Latest filing
19 Sep 2023
Entity
Individual
Observed form types
3
4
CIK-linked evidence first
Latest Filings
Showing the latest 12 of 17 SEC filings for Edward T. Anderson.
4
4 filing
- Filing date
- 19 Sep 2023
- Reporting date
- 15 Sep 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 05 Jul 2023
- Reporting date
- 30 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 22 Jun 2023
- Reporting date
- 20 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 16 Jun 2023
- Reporting date
- 15 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 05 Jun 2023
- Reporting date
- 01 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 02 Jun 2023
- Reporting date
- 31 May 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 17 Mar 2023
- Reporting date
- 15 Mar 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 19 Dec 2022
- Reporting date
- 15 Dec 2022
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 19 Sep 2022
- Reporting date
- 15 Sep 2022
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 06 Jul 2022
- Reporting date
- 15 Jun 2022
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 27 Jun 2022
- Reporting date
- 21 Jun 2022
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 21 Jun 2022
- Reporting date
- 16 Jun 2022
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing