Nikos Theodosopoulos bought ADTRAN Holdings ($ADTN) shares once on the open market, totaling $100.4 thousand, with the purchase on November 26, 2025. His $ADTN buys rank 2196th among insiders. He also purchased Hercules Capital ($HTGC) shares three times for $240.1 thousand, most recently on February 27, 2026, ranking 1394th. With no open market sales in the last year, his total buys trail the average of 1.5 million across nearly 5,000 insiders.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 26, 2026 | Hercules Capital, Inc. | $HCXY | Theodosopoulos Nikos | Not found | P | Common Stock | 7317 | $14.35 | 29,362.0000 | 188,861,000 | 33.19% | 0.00% |
| Feb. 27, 2026 | Hercules Capital, Inc. | $HCXY | Theodosopoulos Nikos | Not found | P | Common Stock | 2600 | $14.21 | 21,523.0000 | 188,861,000 | 13.74% | 0.00% |
| Feb. 17, 2026 | Hercules Capital, Inc. | $HCXY | Theodosopoulos Nikos | Not found | P | Common Stock | 6165 | $15.93 | 18,923.0000 | 188,861,000 | 48.32% | 0.00% |
| Dec. 31, 2025 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Not found | A | Common Stock | 13809 | $0.00 | 65,963.0000 | 80,115,995 | 26.48% | 0.02% |
| Nov. 26, 2025 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Not found | P | Common Stock | 12859 | $7.81 | 52,154.0000 | 80,115,995 | 32.72% | 0.02% |
| May 8, 2025 | Hercules Capital, Inc. | $HCXY | Theodosopoulos Nikos | Not found | P | Common Stock | 5999 | $17.49 | 11,960.0000 | 161,599,000 | 100.64% | 0.00% |
| Dec. 31, 2024 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Not found | A | Common Stock | 14406 | $0.00 | 39,295.0000 | 0 | 57.88% | 0.00% |
| Aug. 6, 2024 | Hercules Capital, Inc. | $HCXY | Theodosopoulos Nikos | Not found | P | Common Stock | 1608 | $18.03 | 5,613.0000 | 144,826,000 | 40.15% | 0.00% |
| June 20, 2024 | Hercules Capital, Inc. | $HCXY | Theodosopoulos Nikos | Not found | A | Common Stock | 3030 | $19.80 | 4,005.0000 | 144,826,000 | 310.77% | 0.00% |
| Dec. 31, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Not found | A | Common Stock | 16349 | $0.00 | 24,889.0000 | 0 | 191.44% | 0.00% |
| Dec. 31, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Not found | M | Common Stock | 168 | $0.00 | 8,540.4240 | 0 | 2.01% | 0.00% |
| Dec. 31, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Not found | M | Dividend Equivalent Rights | 168 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 31, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Not found | D | Common Stock | 0 | $7.34 | 8,540.0000 | 0 | 0.00% | 0.00% |
| Nov. 22, 2023 | Hercules Capital, Inc. | $HCXY | Theodosopoulos Nikos | Not found | A | Common Stock | 28 | $15.87 | 951.0000 | 126,659,000 | 3.03% | 0.00% |
| Sept. 21, 2023 | Hercules Capital, Inc. | $HCXY | Theodosopoulos Nikos | Not found | A | Common Stock | 923 | $16.24 | 923.0000 | 126,659,000 | 9999.99% | 0.00% |
| Aug. 9, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Director | M | Common Stock | 46 | $0.00 | 8,372.9730 | 0 | 0.55% | 0.00% |
| Aug. 9, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Director | M | Dividend Equivalent Rights | 46 | $0.00 | 99.4030 | 0 | 31.62% | 0.00% |
| Sept. 5, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Director | A | Dividend Equivalent Rights | 69 | $8.37 | 168.4240 | 0 | 69.44% | 0.00% |
| Aug. 9, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Director | D | Common Stock | 1 | $0.00 | 8,372.0000 | 0 | 0.01% | 0.00% |
| June 6, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Director | A | Dividend Equivalent Rights | 82 | $9.14 | 145.3760 | 0 | 129.36% | 0.00% |
| March 21, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Director | A | Dividend Equivalent Rights | 47 | $15.96 | 63.3820 | 0 | 285.86% | 0.00% |
| Jan. 24, 2023 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Director | A | Common Stock | 1629 | $0.00 | 8,327.0000 | 0 | 24.32% | 0.00% |
| Dec. 31, 2022 | ADTRAN Holdings, Inc. | $ADTN | Theodosopoulos Nikos | Director | A | Common Stock | 4790 | $0.00 | 6,698.0000 | 0 | 251.05% | 0.00% |