John P. Gandolfo serves as Executive at Bacterin International Holdings, Inc., where they oversee executive responsibilities. Since joining the company, John P. Gandolfo has executed 14 insider transactions totaling $86.3K, demonstrating a bullish approach to their equity position. Their most recent transaction on Sep 2, 2025 involved receiving (via award) 19,011 shares valued at $0.
John P. Gandolfo currently holds 88,098 shares of Bacterin International Holdings, Inc. (BONE), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John P. Gandolfo has been a net buyer of BONE stock. They have purchased $86.3K and sold $0 worth of shares.
John P. Gandolfo's most recent insider trade was on Sep 2, 2025, when they sold 19,011 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Jun 13, 2024 | ECOR | $6.4K | Purchase | 1,000 | $6.43 | Discretionary |
| Jan 10, 2024 | ODYY | $135.0K | Award | 1,500,000 | $0.09 | Discretionary |
| Aug 4, 2023 | ECOR | $0 | Award | 21,739 | $N/A | Discretionary |
| May 31, 2023 | EYEN | $5.6K | Purchase | 2,000 | $2.79 | Discretionary |
| Dec 2, 2022 | ECOR | $0 | Award | 205,987 | $N/A | Discretionary |
| May 17, 2022 | ECOR | $5.4K | Purchase | 15,000 | $0.36 | Discretionary |
| Mar 16, 2021 | ECOR | $8.6K | Purchase | 4,000 | $2.15 | Discretionary |
| Nov 19, 2020 | EYEN | $13.6K | Purchase | 4,000 | $3.40 | Discretionary |
| Jun 28, 2018 | EYEN | $11.7K | Purchase | 2,000 | $5.86 | Discretionary |
| May 24, 2014 | BONE | $0 | Option Exercise | 100,500 | $N/A | Discretionary |
| May 24, 2014 | BONE | $0 | Payment | 36,532 | $N/A | Discretionary |
| May 2, 2011 | BONE | $35.0K | Purchase | 9,943 | $3.52 | Discretionary |