Carson William H. made eight open market purchases of Annexon, Inc. ($ANNX) shares in the past year, totaling nearly $139,000. His most recent buy occurred on March 10, 2026. Among nearly 5,000 insiders, his activity ranks 1,884th by purchase value, below the average of $1.5 million across 3.3 transactions. He reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 8000 | $5.67 | 62,405.0000 | 149,123,701 | 14.70% | 0.01% |
| Dec. 30, 2025 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 4115 | $5.02 | 54,405.0000 | 149,123,701 | 8.18% | 0.00% |
| Dec. 1, 2025 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 4115 | $4.47 | 50,290.0000 | 149,123,701 | 8.91% | 0.00% |
| Oct. 30, 2025 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 4115 | $3.17 | 46,175.0000 | 149,123,701 | 9.78% | 0.00% |
| Sept. 30, 2025 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 4115 | $3.05 | 42,060.0000 | 137,404,145 | 10.84% | 0.00% |
| Sept. 2, 2025 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 4115 | $2.09 | 37,945.0000 | 137,404,145 | 12.16% | 0.00% |
| July 30, 2025 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 4115 | $2.43 | 33,830.0000 | 137,404,145 | 13.85% | 0.00% |
| June 30, 2025 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 4115 | $2.46 | 29,715.0000 | 137,404,145 | 16.07% | 0.00% |
| June 5, 2025 | Annexon, Inc. | $ANNX | Carson William H. | Not found | A | Stock Option (Right to Buy) | 55000 | $0.00 | 55,000.0000 | 137,404,145 | 9999.99% | 0.04% |
| Dec. 2, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 3200 | $5.33 | 25,600.0000 | 139,933,019 | 14.29% | 0.00% |
| Oct. 1, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 3200 | $5.97 | 22,400.0000 | 139,933,019 | 16.67% | 0.00% |
| Sept. 3, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 3200 | $5.48 | 19,200.0000 | 75,673,081 | 20.00% | 0.00% |
| Aug. 1, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 3200 | $6.24 | 16,000.0000 | 75,673,081 | 25.00% | 0.00% |
| July 1, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 3200 | $5.00 | 12,800.0000 | 75,673,081 | 33.33% | 0.00% |
| June 5, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | A | Stock Option (Right to Buy) | 44000 | $0.00 | 44,000.0000 | 75,673,081 | 9999.99% | 0.06% |
| June 3, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 3200 | $4.83 | 9,600.0000 | 75,673,081 | 50.00% | 0.00% |
| May 1, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 3200 | $4.68 | 6,400.0000 | 75,673,081 | 100.00% | 0.00% |
| April 8, 2024 | Annexon, Inc. | $ANNX | Carson William H. | Not found | P | Common Stock | 3200 | $6.07 | 3,200.0000 | 75,673,081 | 9999.99% | 0.00% |