NEIL GARRY ARTHUR has filed 16 insider transactions across 2 companies since February 2023.
Most recent transaction: a option exercise of 64866 shares of Avalo Therapeutics, Inc. ($AVTX) on March 28, 2026.
Activity breakdown: 1 open-market purchase and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 28, 2026 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | Chief Executive Officer | M | Restricted Stock Units | 64866 | $0.00 | 64,867.0000 | 18,133,968 | 50.00% | 0.36% |
| March 28, 2026 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | Chief Executive Officer | F | Common Stock | 21892 | $13.89 | 90,114.0000 | 18,133,968 | 19.55% | 0.12% |
| March 28, 2026 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | Chief Executive Officer | M | Common Stock | 64866 | $0.00 | 112,006.0000 | 18,133,968 | 137.60% | 0.36% |
| Feb. 26, 2026 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | Chief Executive Officer | A | Stock Option (Right to Buy) | 286000 | $0.00 | 286,000.0000 | 18,133,968 | 9999.99% | 1.58% |
| June 5, 2025 | Celldex Therapeutics, Inc. | $CLDX | NEIL GARRY ARTHUR | Not found | A | Non-Qualified Stock Option (right to buy) | 16500 | $0.00 | 16,500.0000 | 66,383 | 9999.99% | 24.86% |
| March 28, 2025 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | Chief Executive Officer | M | Restricted Stock Units | 64867 | $0.00 | 129,733.0000 | 10,671,934 | 100.00% | 0.61% |
| March 28, 2025 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | Chief Executive Officer | M | Common Stock | 64867 | $0.00 | 64,927.0000 | 10,671,934 | 9999.99% | 0.61% |
| March 28, 2025 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | Chief Executive Officer | F | Common Stock | 17787 | $8.46 | 47,140.0000 | 10,671,934 | 27.40% | 0.17% |
| Jan. 28, 2025 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | CEO and Chairman of the Board | A | Stock Option (Right to Buy) | 411000 | $0.00 | 411,000.0000 | 0 | 9999.99% | 0.00% |
| Aug. 13, 2024 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | CEO and Chairman of the Board | A | Stock Option (Right to Buy) | 500400 | $0.00 | 500,400.0000 | 0 | 9999.99% | 0.00% |
| Aug. 13, 2024 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | CEO and Chairman of the Board | A | Restricted Stock Units | 194600 | $0.00 | 194,600.0000 | 0 | 9999.99% | 0.00% |
| June 13, 2024 | Celldex Therapeutics, Inc. | $CLDX | NEIL GARRY ARTHUR | Not found | A | Non-Qualified Stock Option (right to buy) | 16500 | $0.00 | 16,500.0000 | 58,871 | 9999.99% | 28.03% |
| June 15, 2023 | Celldex Therapeutics, Inc. | $CLDX | NEIL GARRY ARTHUR | Not found | A | Non-Qualified Stock Option (right to buy) | 11300 | $0.00 | 11,300.0000 | 47,214 | 9999.99% | 23.93% |
| June 9, 2023 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | CEO and Chairman of the Board | P | Common Stock | 4000 | $3.42 | 13,220.0000 | 0 | 43.38% | 0.00% |
| May 15, 2023 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | CEO and Chairman of the Board | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 13, 2023 | Avalo Therapeutics, Inc. | $AVTX | NEIL GARRY ARTHUR | CEO and Chairman of the Board | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |