Entity type
Individual
Filer Snapshot
Peter R. Kellogg
CIK 0000897485. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
3
Latest filing
21 May 2026
Industry
n/a
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: 13D/G stake for MERC. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
—
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
MERC
19 May 2026 · 38% ownership
Open 13D/GInsider / owner context
NTPIF
18 Mar 2026 · $42.73M
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Source: SEC Schedule 13D/G
View Source Filing
SCHEDULE 13D/A filed on 21 May 2026 for CIK 0000897485.
- 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$77.9MReporting-owner positions with enough data to estimate value.
Estimated Forms 3/4/5 position value
$77.9MEstimated 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.
NTPIF MERCSchedule 13D positions
Active large-stake positions disclosed in parsed Schedule 13D filings.
MERCHow 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.
- Business address
- 48 Wall Street, C/O Iat Reinsurance Co Ltd, New York, NY, 10005
Ownership signals
1 signal
Identity
1 identity field
Filer intelligence
What SEC filings say about Peter R. Kellogg
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
- 1 recent 13D/G stake row found; top row is MERC at 38% ownership.
- Forms 3/4/5 show insider context for NTPIF worth $42.73M.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
13D/G large-stake context
MERC
19 May 2026 · Common Stock, par value $1.00
Forms 3/4/5 insider context
NTPIF
18 Mar 2026
MERC
15 May 2026 · 10% owner
MERC
03 May 2022 · 10% owner
Latest update
What changed recently for Peter R. Kellogg
Latest Schedule 13D/G period: 19 May 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
21 May 2026
Page type
Filer profile
Latest period
19 May 2026
Schedule 13D/G context is visible from filings filed on 21 May 2026.
SEC filing record
CIK 0000897485 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
3
First seen
23 Jul 2025
Latest filing
21 May 2026
Entity
Individual
Observed form types
SCHEDULE 13D/A
CIK-linked evidence first
Latest Filings
Showing the latest 3 of 3 SEC filings for Peter R. Kellogg.
SCHEDULE 13D/A
SCHEDULE 13D/A filing
- Filing date
- 21 May 2026
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13D/A
SCHEDULE 13D/A filing
- Filing date
- 09 Dec 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13D/A
SCHEDULE 13D/A filing
- Filing date
- 23 Jul 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing