Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 11 years
- Director since
- 2023
11 years of board service in total across 3 boards, counting each seat separately. Longest: ADTRAN Holdings Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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ADTRAN Holdings Inc. May 13, 202695.5%
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ADTRAN Holdings Inc. July 24, 202597.4%
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Hercules Capital Inc. June 20, 202498.2%
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ADTRAN Holdings Inc. May 8, 202494.8%
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ADTRAN Holdings Inc. May 10, 202396.6%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 26, 2026 | Hercules Capital Inc. | Open-market purchase | +7,317 | $14.35 | $104,999 |
| Feb 27, 2026 | Hercules Capital Inc. | Open-market purchase | +2,600 | $14.21 | $36,946 |
| Feb 17, 2026 | Hercules Capital Inc. | Open-market purchase | +6,165 | $15.93 | $98,208 |
| Dec 31, 2025 | ADTRAN Holdings Inc. | Grant or award | +13,809 | — | — |
| Nov 26, 2025 | ADTRAN Holdings Inc. | Open-market purchase | +12,859 | $7.81 | $100,429 |
| May 8, 2025 | Hercules Capital Inc. | Open-market purchase | +5,999 | $17.49 | $104,923 |
| Dec 31, 2024 | ADTRAN Holdings Inc. | Grant or award | +14,406 | — | — |
| Aug 6, 2024 | Hercules Capital Inc. | Open-market purchase | +1,608 | $18.03 | $28,992 |
| Jun 20, 2024 | Hercules Capital Inc. | Grant or award | +3,030 | $19.80 | $59,994 |
| Dec 31, 2023 | ADTRAN Holdings Inc. | Option exercise | +168 | — | — |
| Dec 31, 2023 | ADTRAN Holdings Inc. | Sold back to the company | −0 | $7.34 | $3 |
| Dec 31, 2023 | ADTRAN Holdings Inc. | Grant or award | +16,349 | — | — |
| Nov 22, 2023 | Hercules Capital Inc. | Grant or award | +28 | $15.87 | $444 |
| Sep 21, 2023 | Hercules Capital Inc. | Grant or award | +923 | $16.24 | $14,990 |
| Aug 9, 2023 | ADTRAN Holdings Inc. | Option exercise | +46 | — | — |
Questions about Nikos Theodosopoulos
What boards is Nikos Theodosopoulos on?
Nikos Theodosopoulos sits on the boards of ADTRAN Holdings Inc., Arista Networks Inc. and Hercules Capital Inc.
How long has Nikos Theodosopoulos served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
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