Thomas C. Chen, CEO of NeonC Technologies Holdings, Inc. ($NTHI), made three open market purchases of company shares over the past year, totaling about $43,000, with the most recent on May 22, 2025. This ranks him 3,183rd among 4,983 insiders by purchase value, well below the $1.5 million average. He also sold shares four times for $1.95 million, most recently on March 26, 2025, placing 3,548th out of 11,678 insiders versus the $8.6 million average.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | S | Common Stock | 38250 | $25.00 | 4,844,174.0000 | 0 | 0.78% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | S | Common Stock | 983 | $19.13 | 4,843,191.0000 | 0 | 0.02% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | X | Warrant (right to buy) | 79688 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | J | Common Stock | 4076 | $0.00 | 4,843,191.0000 | 0 | 0.08% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | X | Common Stock | 79688 | $12.00 | 4,882,424.0000 | 0 | 1.66% | 0.00% |
| May 21, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | P | Common Stock | 2759 | $7.25 | 4,625,563.0000 | 0 | 0.06% | 0.00% |
| May 22, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | P | Common Stock | 2709 | $7.38 | 4,628,272.0000 | 0 | 0.06% | 0.00% |
| May 12, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | P | Common Stock | 400 | $7.00 | 4,582,349.0000 | 0 | 0.01% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | J | Common Stock | 4076 | $0.00 | 4,843,191.0000 | 0 | 0.08% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | X | Common Stock | 79688 | $12.00 | 4,882,424.0000 | 0 | 1.66% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | S | Common Stock | 38250 | $25.00 | 4,844,174.0000 | 0 | 0.78% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | S | Common Stock | 983 | $19.13 | 4,843,191.0000 | 0 | 0.02% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | X | Warrant (right to buy) | 79688 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 26, 2025 | NEONC TECHNOLOGIES HOLDINGS, INC. | $NTHI | CHEN THOMAS C | CEO | J | Common Stock | 4076 | $0.00 | 4,581,949.0000 | 0 | 0.09% | 0.00% |