Biogen Inc. ($BIIB) director Dorsa Caroline bought shares once on the open market in the last year, for a total of about $152 thousand. Her latest purchase was on May 2, 2025. This ranks her 1,796th out of nearly 5,000 insiders by purchase value, well below the average of $1.5 million over 3.3 transactions. She 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 17, 2025 | BIOGEN INC. | $BIIB | DORSA CAROLINE | Director | A | Common Stock | 3160 | $0.00 | 31,002.0000 | 169,500,000 | 11.35% | 0.00% |
| May 21, 2025 | ILLUMINA, INC. | $ILMN | DORSA CAROLINE | Director | A | Common Stock | 3780 | $0.00 | 15,194.0000 | 201,000,000 | 33.12% | 0.00% |
| May 16, 2025 | ILLUMINA, INC. | $ILMN | DORSA CAROLINE | Director | F | Common Stock | 1070 | $83.62 | 11,414.0000 | 201,000,000 | 8.57% | 0.00% |
| May 2, 2025 | BIOGEN INC. | $BIIB | DORSA CAROLINE | Director | P | Common Stock | 1235 | $122.72 | 27,842.0000 | 169,500,000 | 4.64% | 0.00% |
| May 1, 2025 | Duke Energy CORP | $DUK | DORSA CAROLINE | Director | A | Common Stock | 1607 | $121.33 | 11,121.0000 | 772,000,000 | 16.89% | 0.00% |
| June 21, 2024 | BIOGEN INC. | $BIIB | DORSA CAROLINE | Director | A | Common Stock | 1785 | $0.00 | 26,607.0000 | 168,700,000 | 7.19% | 0.00% |
| May 16, 2024 | ILLUMINA, INC. | $ILMN | DORSA CAROLINE | Director | A | Common Stock | 2622 | $0.00 | 12,431.0000 | 199,000,000 | 26.73% | 0.00% |
| May 15, 2024 | ILLUMINA, INC. | $ILMN | DORSA CAROLINE | Director | F | Common Stock | 612 | $115.01 | 9,809.0000 | 199,000,000 | 5.87% | 0.00% |
| May 9, 2024 | Duke Energy CORP | $DUK | DORSA CAROLINE | Director | A | Common Stock | 1699 | $103.02 | 9,514.0000 | 771,000,000 | 21.74% | 0.00% |
| June 26, 2023 | BIOGEN INC. | $BIIB | DORSA CAROLINE | Director | A | Common Stock | 1580 | $0.00 | 24,822.0000 | 167,900,000 | 6.80% | 0.00% |
| May 4, 2023 | Duke Energy CORP | $DUK | DORSA CAROLINE | Director | A | Common Stock | 1784 | $98.11 | 7,816.0000 | 770,000,000 | 29.57% | 0.00% |