Michael Overdorf, EVP and Chief Business Officer at Annexon, Inc. (ANNX), sold shares on the open market three times over the past year, totaling about $57,500. His most recent sale occurred on March 2, 2026. These transactions rank 10,246th among 11,678 individual insiders in our database, where the average sale amount is $8.6 million across about 6.4 transactions per insider. Overdorf made no open market purchases in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 2, 2026 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S | Common Stock | 4339 | $5.42 | 182,625.0000 | 149,123,701 | 2.32% | 0.00% |
| Feb. 19, 2026 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | A | Stock Option (Right to Buy) | 250000 | $0.00 | 250,000.0000 | 149,123,701 | 9999.99% | 0.17% |
| Feb. 19, 2026 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | A | Common Stock | 62500 | $0.00 | 186,964.0000 | 149,123,701 | 50.22% | 0.04% |
| Feb. 18, 2026 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S | Common Stock | 6225 | $5.10 | 124,464.0000 | 149,123,701 | 4.76% | 0.00% |
| July 14, 2025 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S | Common Stock | 853 | $2.61 | 130,689.0000 | 137,404,145 | 0.65% | 0.00% |
| Feb. 27, 2024 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | A | Common Stock | 44963 | $0.00 | 131,542.0000 | 75,673,081 | 51.93% | 0.06% |
| Feb. 27, 2025 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | A | Stock Option (Right to Buy) | 272575 | $0.00 | 272,575.0000 | 137,404,145 | 9999.99% | 0.20% |
| Feb. 18, 2025 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S | Common Stock | 6618 | $2.95 | 86,579.0000 | 137,404,145 | 7.10% | 0.00% |
| Feb. 13, 2025 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S | Common Stock | 1425 | $2.99 | 93,197.0000 | 137,404,145 | 1.51% | 0.00% |
| July 15, 2024 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S | Common Stock | 784 | $6.02 | 94,622.0000 | 75,673,081 | 0.82% | 0.00% |
| Feb. 16, 2024 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | A | Stock Option (Right to Buy) | 160000 | $0.00 | 160,000.0000 | 75,673,081 | 9999.99% | 0.21% |
| Feb. 20, 2024 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S | Common Stock | 1951 | $5.48 | 85,641.0000 | 75,673,081 | 2.23% | 0.00% |
| Feb. 16, 2024 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | A | Common Stock | 39000 | $0.00 | 87,592.0000 | 75,673,081 | 80.26% | 0.05% |
| Feb. 12, 2024 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & CHIEF BUSINESS OFFICER | S | Common Stock | 1349 | $5.53 | 48,592.0000 | 75,673,081 | 2.70% | 0.00% |
| July 11, 2023 | Annexon, Inc. | $ANNX | Overdorf Michael | EVP & Chief Business Officer | S | Common Stock | 978 | $3.84 | 45,802.0000 | 0 | 2.09% | 0.00% |