Quick Takeaways
- Nikos Theodosopoulos has 4 issuer positions tracked on this page.
- Estimated disclosed ownership value: $11,093,487.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Nikos Theodosopoulos
- Location
- San Mateo, CA
- Summary
- The estimated net worth of Nikos Theodosopoulos is at least $11,093,487 dollars as of 30 Mar 2026. Nikos Theodosopoulos is the Director of Arista Networks, Inc. and owns shares of Arista Networks, Inc. (ANET) stock worth about $6.96M. Nikos Theodosopoulos is the Director of HARMONIC INC and owns shares of HARMONIC INC. (HLIT) stock worth about $3.13M. Nikos Theodosopoulos is the Director of ADTRAN Holdings, Inc. and owns shares of ADTRAN Holdings, Inc. (ADTN) stock worth about $579.8K. Nikos Theodosopoulos is the Director of Hercules Capital, Inc. and owns shares of Hercules Capital, Inc. (HTGC) stock worth about $421.3K.
- Signature
- /s /Kiersten Zaza Botelho, Attorney-in-Fact for Nikos Theodosopoulos
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Nikos Theodosopoulos and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Arista Networks, Inc. ($6,959,955).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Nikos Theodosopoulos
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ANET | Arista Networks, Inc. | Director | $6,959,955 | 22 May 2023 | ||
| HLIT | HARMONIC INC | Director | $3,132,374 | 12 Aug 2022 | ||
| ADTN | ADTRAN Holdings, Inc. | Director | $579,814 | +$100,429 | +21% | 31 Dec 2025 |
| HTGC, HCXY | Hercules Capital, Inc. | Director | $421,344 | +$345,076 | +452% | 26 Mar 2026 |
Insider Transactions Reported by Nikos Theodosopoulos:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.