Singhal Priya
Insider
First SEC filing: Jan. 17, 2023 · Latest: Feb. 17, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-665,664
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 13, 2026 | BIIB | A | 10,560 | · | · | 10,560 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2026 | BIIB | S | 2,660 | $199.83 | $531,548 | 8,043 Direct | -24.85% | Disposed | 10.0% (price as of 2026-10-02) |
| Feb. 6, 2026 | BIIB | M | 4,683 | · | · | 9,367 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Feb. 6, 2026 | BIIB | M | 2,217 | · | · | 2,217 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 6, 2026 | BIIB | F | 1,412 | $201.18 | $284,066 | 10,703 Direct | -11.65% | Disposed | 9.3% (price as of 2026-10-02) |
| Feb. 6, 2026 | BIIB | M | 4,683 | · | · | 12,115 Direct | +63.01% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | BIIB | F | 1,056 | $201.18 | $212,446 | 7,432 Direct | -12.44% | Disposed | 9.3% (price as of 2026-10-02) |
| Feb. 6, 2026 | BIIB | M | 2,217 | · | · | 8,488 Direct | +35.35% | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2026 | BIIB | S | 748 | $179.30 | $134,116 | 6,271 Direct | -10.66% | Disposed | 22.6% (price as of 2026-10-02) |
| Jan. 30, 2026 | BIIB | F | 582 | $179.89 | $104,696 | 7,019 Direct | -7.66% | Disposed | 22.2% (price as of 2026-10-02) |
| Jan. 30, 2026 | BIIB | M | 1,829 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 30, 2026 | BIIB | M | 1,829 | · | · | 7,601 Direct | +31.69% | Acquired | (price as of 2026-10-02) |
| Sept. 2, 2025 | BIIB | S | 517 | $133.55 | $69,045 | 5,772 Direct | -8.22% | Disposed | 64.6% (price as of 2026-10-02) |
| Aug. 29, 2025 | BIIB | M | 1,669 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 29, 2025 | BIIB | F | 807 | $132.22 | $106,702 | 6,289 Direct | -11.37% | Disposed | 66.3% (price as of 2026-10-02) |
| Aug. 29, 2025 | BIIB | M | 1,669 | · | · | 7,096 Direct | +30.75% | Acquired | (price as of 2026-10-02) |
| May 19, 2025 | BIIB | S | 3,806 | $126.25 | $480,508 | 5,427 Direct | -41.22% | Disposed | 74.2% (price as of 2026-10-02) |
| Feb. 10, 2025 | BIIB | M | 1,212 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 10, 2025 | BIIB | F | 357 | $142.54 | $50,887 | 9,066 Direct | -3.79% | Disposed | 54.3% (price as of 2026-10-02) |
| Feb. 10, 2025 | BIIB | M | 1,212 | · | · | 9,423 Direct | +14.76% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2025 | BIIB | M | 2,216 | · | · | 4,434 Direct | -33.32% | Disposed | (price as of 2026-10-02) |
| Feb. 7, 2025 | BIIB | F | 681 | $141.35 | $96,259 | 8,211 Direct | -7.66% | Disposed | 55.6% (price as of 2026-10-02) |
| Feb. 7, 2025 | BIIB | M | 2,216 | · | · | 8,892 Direct | +33.19% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2025 | BIIB | A | 14,050 | · | · | 14,050 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2025 | BIIB | M | 1,828 | · | · | 1,829 Direct | -49.99% | Disposed | (price as of 2026-10-02) |
| Jan. 31, 2025 | BIIB | F | 578 | $143.93 | $83,192 | 6,676 Direct | -7.97% | Disposed | 52.8% (price as of 2026-10-02) |
| Jan. 31, 2025 | BIIB | M | 1,828 | · | · | 7,254 Direct | +33.69% | Acquired | (price as of 2026-10-02) |
| Dec. 9, 2024 | BIIB | S | 110 | $157.21 | $17,293 | 5,426 Direct | -1.99% | Disposed | 39.9% (price as of 2026-10-02) |
| Dec. 6, 2024 | BIIB | M | 426 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 6, 2024 | BIIB | F | 206 | $157.78 | $32,503 | 5,536 Direct | -3.59% | Disposed | 39.4% (price as of 2026-10-02) |
| Dec. 6, 2024 | BIIB | M | 426 | · | · | 5,742 Direct | +8.01% | Acquired | (price as of 2026-10-02) |
| Sept. 3, 2024 | BIIB | S | 431 | $204.22 | $88,019 | 5,316 Direct | -7.50% | Disposed | 7.7% (price as of 2026-10-02) |
| Aug. 30, 2024 | BIIB | M | 1,668 | · | · | 1,669 Direct | -49.99% | Disposed | (price as of 2026-10-02) |
| Aug. 30, 2024 | BIIB | F | 807 | $204.76 | $165,241 | 5,747 Direct | -12.31% | Disposed | 7.4% (price as of 2026-10-02) |
| Aug. 30, 2024 | BIIB | M | 1,668 | · | · | 6,554 Direct | +34.14% | Acquired | (price as of 2026-10-02) |
| April 2, 2024 | BIIB | S | 93 | $213.09 | $19,817 | 4,886 Direct | -1.87% | Disposed | 3.2% (price as of 2026-10-02) |
| Feb. 22, 2024 | BIIB | S | 262 | $221.23 | $57,962 | 4,886 Direct | -5.09% | Disposed | -0.6% (price as of 2026-10-02) |
| Feb. 16, 2024 | BIIB | M | 819 | · | · | 5,335 Direct | +18.14% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2024 | BIIB | S | 108 | $221.49 | $23,921 | 5,148 Direct | -2.05% | Disposed | -0.7% (price as of 2026-10-02) |
| Feb. 16, 2024 | BIIB | J | 485 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2024 | BIIB | M | 389 | · | · | 485 Direct | -44.51% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2024 | BIIB | M | 819 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2024 | BIIB | F | 173 | $219.08 | $37,901 | 5,256 Direct | -3.19% | Disposed | 0.4% (price as of 2026-10-02) |
| Feb. 16, 2024 | BIIB | M | 389 | · | · | 5,429 Direct | +7.72% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2024 | BIIB | F | 295 | $219.08 | $64,629 | 5,040 Direct | -5.53% | Disposed | 0.4% (price as of 2026-10-02) |
| Feb. 12, 2024 | BIIB | S | 419 | $239.45 | $100,330 | 4,516 Direct | -8.49% | Disposed | -8.2% (price as of 2026-10-02) |
| Feb. 9, 2024 | BIIB | M | 1,212 | · | · | 1,212 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2024 | BIIB | F | 374 | $240.98 | $90,127 | 4,935 Direct | -7.04% | Disposed | -8.8% (price as of 2026-10-02) |
| Feb. 9, 2024 | BIIB | M | 1,212 | · | · | 5,309 Direct | +29.58% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2024 | BIIB | A | 6,650 | · | · | 6,650 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2024 | BIIB | S | 634 | $245.93 | $155,920 | 4,097 Direct | -13.40% | Disposed | -10.6% (price as of 2026-10-02) |
| Feb. 1, 2024 | BIIB | M | 1,828 | · | · | 3,657 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Feb. 1, 2024 | BIIB | F | 561 | $247.83 | $139,033 | 4,731 Direct | -10.60% | Disposed | -11.3% (price as of 2026-10-02) |
| Feb. 1, 2024 | BIIB | M | 1,828 | · | · | 5,292 Direct | +52.77% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2024 | BIIB | A | 819 | · | · | 819 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 11, 2023 | BIIB | S | 110 | $248.00 | $27,280 | 3,464 Direct | -3.08% | Disposed | -11.3% (price as of 2026-10-02) |
| Dec. 8, 2023 | BIIB | M | 426 | · | · | 426 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2023 | BIIB | F | 206 | $239.29 | $49,294 | 3,574 Direct | -5.45% | Disposed | -8.1% (price as of 2026-10-02) |
| Dec. 8, 2023 | BIIB | M | 426 | · | · | 3,780 Direct | +12.70% | Acquired | (price as of 2026-10-02) |
| Sept. 5, 2023 | BIIB | S | 431 | $269.43 | $116,124 | 3,354 Direct | -11.39% | Disposed | -18.4% (price as of 2026-10-02) |
| Sept. 1, 2023 | BIIB | M | 1,668 | · | · | 3,337 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIIB | F | 807 | $267.17 | $215,606 | 3,785 Direct | -17.57% | Disposed | -17.7% (price as of 2026-10-02) |
| Sept. 1, 2023 | BIIB | M | 1,668 | · | · | 4,592 Direct | +57.05% | Acquired | (price as of 2026-10-02) |
| July 3, 2023 | BIIB | S | 81 | $282.87 | $22,912 | 2,924 Direct | -2.70% | Disposed | -22.3% (price as of 2026-10-02) |
| June 30, 2023 | BIIB | M | 315 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 30, 2023 | BIIB | F | 153 | $284.85 | $43,582 | 3,005 Direct | -4.84% | Disposed | -22.8% (price as of 2026-10-02) |
| June 30, 2023 | BIIB | M | 315 | · | · | 3,158 Direct | +11.08% | Acquired | (price as of 2026-10-02) |
| April 4, 2023 | BIIB | S | 91 | $277.11 | $25,217 | 2,843 Direct | -3.10% | Disposed | -20.7% (price as of 2026-10-02) |
| March 28, 2023 | BIIB | S 10b5-1 | 568 | $270.06 | $153,394 | 2,842 Direct | -16.66% | Disposed | -18.6% (price as of 2026-10-02) |
| March 2, 2023 | BIIB | J | 341 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 2, 2023 | BIIB | M | 297 | · | · | 341 Direct | -46.55% | Disposed | (price as of 2026-10-02) |
| March 2, 2023 | BIIB | F | 144 | $268.75 | $38,700 | 3,410 Direct | -4.05% | Disposed | -18.2% (price as of 2026-10-02) |
| March 2, 2023 | BIIB | M | 297 | · | · | 3,554 Direct | +9.12% | Acquired | (price as of 2026-10-02) |
| March 2, 2023 | BIIB | F | 543 | $268.75 | $145,931 | 3,257 Direct | -14.29% | Disposed | -18.2% (price as of 2026-10-02) |
| Feb. 17, 2023 | BIIB | J | 408 | · | · | 874 Direct | -31.83% | Disposed | (price as of 2026-10-02) |
| Feb. 17, 2023 | BIIB | M | 460 | · | · | 1,282 Direct | -26.41% | Disposed | (price as of 2026-10-02) |
| Feb. 17, 2023 | BIIB | F | 151 | $278.38 | $42,035 | 3,800 Direct | -3.82% | Disposed | -21.0% (price as of 2026-10-02) |
| Feb. 17, 2023 | BIIB | M | 460 | · | · | 3,951 Direct | +13.18% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2023 | BIIB | M | 1,211 | · | · | 2,424 Direct | -33.31% | Disposed | (price as of 2026-10-02) |
| Feb. 10, 2023 | BIIB | F | 372 | $286.30 | $106,504 | 3,491 Direct | -9.63% | Disposed | -23.2% (price as of 2026-10-02) |
| Feb. 10, 2023 | BIIB | M | 1,211 | · | · | 3,863 Direct | +45.66% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2023 | BIIB | A | 5,485 | · | · | 5,485 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 25, 2023 | BIIB | A | 1,123 | · | · | 2,652 Direct | +73.45% | Acquired | (price as of 2026-10-02) |
| April 2, 2019 | LRMR | A | 375,000 | · | · | 375,000 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 13, 2026 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 13, 2029 | 10,560 | Acquired |
| Feb. 6, 2026 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 6, 2028 | 4,683 | Disposed |
| Feb. 6, 2026 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 7, 2027 | 2,217 | Disposed |
| Jan. 30, 2026 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 1, 2026 | 1,829 | Disposed |
| Aug. 29, 2025 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Sept. 1, 2025 | 1,669 | Disposed |
| Feb. 10, 2025 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 10, 2025 | 1,212 | Disposed |
| Feb. 7, 2025 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 7, 2027 | 2,216 | Disposed |
| Feb. 6, 2025 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 6, 2028 | 14,050 | Acquired |
| Jan. 31, 2025 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 1, 2026 | 1,828 | Disposed |
| Dec. 6, 2024 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Dec. 8, 2024 | 426 | Disposed |
| Aug. 30, 2024 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Sept. 1, 2025 | 1,668 | Disposed |
| Feb. 16, 2024 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 18, 2024 | 485 | Disposed |
| Feb. 16, 2024 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 18, 2024 | 389 | Disposed |
| Feb. 16, 2024 | BIIB | Performance Stock Unit | Common Stock | $0.00 | Feb. 18, 2024 | 819 | Disposed |
| Feb. 9, 2024 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 10, 2025 | 1,212 | Disposed |
| Feb. 7, 2024 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 7, 2027 | 6,650 | Acquired |
| Feb. 1, 2024 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 1, 2026 | 1,828 | Disposed |
| Jan. 29, 2024 | BIIB | Performance Stock Unit | Common Stock | $0.00 | Feb. 18, 2024 | 819 | Acquired |
| Dec. 8, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Dec. 8, 2024 | 426 | Disposed |
| Sept. 1, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Sept. 1, 2025 | 1,668 | Disposed |
| June 30, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | July 1, 2023 | 315 | Disposed |
| March 2, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | March 2, 2023 | 341 | Disposed |
| March 2, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | March 2, 2023 | 297 | Disposed |
| Feb. 17, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 18, 2024 | 408 | Disposed |
| Feb. 17, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 18, 2024 | 460 | Disposed |
| Feb. 10, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 10, 2025 | 1,211 | Disposed |
| Feb. 1, 2023 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 1, 2026 | 5,485 | Acquired |
| April 2, 2019 | LRMR | Stock Option (Right to Buy) | Common Stock | $2.89 | March 3, 2029 | 375,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 17, 2023 | BIIB | Common Stock | 1,529 | Direct |
| Jan. 17, 2023 | BIIB | Restricted Stock Unit | 1,742 | Direct |
| Jan. 17, 2023 | BIIB | Restricted Stock Unit | 638 | Direct |
| Jan. 17, 2023 | BIIB | Restricted Stock Unit | 852 | Direct |
| Jan. 17, 2023 | BIIB | Restricted Stock Unit | 3,635 | Direct |
| Jan. 17, 2023 | BIIB | Restricted Stock Unit | 315 | Direct |
| Jan. 17, 2023 | BIIB | Restricted Stock Unit | 5,005 | Direct |