Pelizzon David R sold Alphatec Holdings ($ATEC) shares on the open market five times over the past year, totaling $20.6 million. His most recent sale occurred on December 16, 2025. These sales rank 664th among nearly 12,000 insiders in our database, where the average is $8.6 million across about 6.4 transactions per insider. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 16, 2025 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | S | Common Stock | 250000 | $19.66 | 10,741,872.0000 | 151,401,000 | 2.27% | 0.17% |
| Dec. 9, 2025 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | S | Common Stock | 28834 | $21.03 | 10,991,872.0000 | 151,401,000 | 0.26% | 0.02% |
| Dec. 8, 2025 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | S | Common Stock | 221166 | $21.20 | 11,020,706.0000 | 151,401,000 | 1.97% | 0.15% |
| Nov. 24, 2025 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | S | Common Stock | 250000 | $20.62 | 11,241,872.0000 | 151,401,000 | 2.18% | 0.17% |
| Nov. 12, 2025 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | S | Common Stock | 250000 | $20.80 | 11,491,872.0000 | 151,401,000 | 2.13% | 0.17% |
| June 11, 2025 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | A | Common Stock | 15131 | $0.00 | 11,741,872.0000 | 142,946,000 | 0.13% | 0.01% |
| May 23, 2025 | ORTHOPEDIATRICS CORP | $KIDS | Pelizzon David R | Director | A | Common Stock | 8401 | $0.00 | 6,934,712.0000 | 24,827,977 | 0.12% | 0.03% |
| Aug. 22, 2024 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | P | Common Stock | 8818 | $5.67 | 11,709,763.0000 | 121,242,000 | 0.08% | 0.01% |
| Aug. 23, 2024 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | P | Common Stock | 16978 | $5.89 | 11,726,741.0000 | 121,242,000 | 0.14% | 0.01% |
| June 12, 2024 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | A | Common Stock | 16747 | $0.00 | 11,700,945.0000 | 121,242,000 | 0.14% | 0.01% |
| May 28, 2024 | ORTHOPEDIATRICS CORP | $KIDS | Pelizzon David R | Director | A | Common Stock | 2766 | $0.00 | 6,926,311.0000 | 23,540,411 | 0.04% | 0.01% |
| June 20, 2023 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Not found | A | Common Stock | 9908 | $0.00 | 11,684,198.0000 | 103,373,000 | 0.08% | 0.01% |
| June 14, 2023 | ORTHOPEDIATRICS CORP | $KIDS | Pelizzon David R | Director | A | Common Stock | 1965 | $0.00 | 21,781.0000 | 22,877,962 | 9.92% | 0.01% |
| March 13, 2023 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Director | P | Common Stock | 3100 | $15.24 | 11,674,290.0000 | 103,373,000 | 0.03% | 0.00% |
| Sept. 2, 2022 | ORTHOPEDIATRICS CORP | $KIDS | Pelizzon David R | Director | G | Common Stock | 5000 | $0.00 | 6,921,580.0000 | 19,677,214 | 0.07% | 0.03% |
| Sept. 6, 2022 | Alphatec Holdings, Inc. | $ATEC | Pelizzon David R | Director | G | Common Stock | 31250 | $0.00 | 11,671,190.0000 | 0 | 0.27% | 0.00% |