Entity type
Individual
Filer Snapshot
Michael Knowles
CIK 0001755059. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
2
Latest filing
18 Aug 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 OSS. 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
OSS
07 Feb 2026 · $5.64M
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Source: SEC Forms 3/4/5
View Source Filing
4 filed on 18 Aug 2023 for CIK 0001755059.
- 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$5.64MReporting-owner positions with enough data to estimate value.
Estimated Forms 3/4/5 position value
$5.64MEstimated 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.
OSSHow 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
- 9333 Balboa Avenue, San Diego, CA, 92123
Ownership signals
1 signal
Identity
1 identity field
Filer intelligence
What SEC filings say about Michael Knowles
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 OSS worth $5.64M.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Forms 3/4/5 insider context
OSS
07 Feb 2026 · Chief Executive Officer
CUB
25 May 2021 · President, CMPS - SVP, CORP
Latest update
What changed recently for Michael Knowles
Latest ownership report period: 07 Feb 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
02 Mar 2026
Page type
Ownership filings
Latest period
07 Feb 2026
Ownership context was refreshed from SEC Forms 3/4/5 filed on 02 Mar 2026.
SEC filing record
CIK 0001755059 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
2
First seen
25 May 2021
Latest filing
18 Aug 2023
Entity
Individual
Observed form types
4
CIK-linked evidence first
Latest Filings
Showing the latest 2 of 2 SEC filings for Michael Knowles.
4
4 filing
- Filing date
- 18 Aug 2023
- Reporting date
- 16 Aug 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 25 May 2021
- Reporting date
- 25 May 2021
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing