John Michael Dunn
Insider
First SEC filing: Feb. 2, 2006 · Latest: Feb. 2, 2006
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 11, 2019 | IMUX | D | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 11, 2019 | IMUX | D | 45,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 11, 2019 | IMUX | D | 45,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 11, 2019 | IMUX | D | 45,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 11, 2019 | IMUX | A | 724,848 | · | · | 724,848 Direct | · | Acquired | (price as of 2026-10-02) |
| June 9, 2018 | IMUX | A | 45,000 | · | · | 45,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 14, 2017 | IMUX | P | 100 | $3.08 | $308 | 9,485 Direct | +1.07% | Acquired | -99.4% (price as of 2026-10-02) |
| June 14, 2017 | IMUX | P | 2,400 | $3.09 | $7,416 | 11,885 Direct | +25.30% | Acquired | -99.4% (price as of 2026-10-02) |
| June 10, 2017 | IMUX | A | 45,000 | · | · | 45,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 13, 2016 | IMUX | A | 45,000 | · | · | 45,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 26, 2015 | IMUX | P | 2,000 | $7.00 | $14,000 | 9,385 Direct | +27.08% | Acquired | -99.7% (price as of 2026-10-02) |
| Oct. 23, 2015 | IMUX | P | 7,385 | $6.76 | $49,923 | 7,385 Direct | · | Acquired | -99.7% (price as of 2026-10-02) |
| Nov. 17, 2014 | IMUX | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2009 | BIIB | A | 6,040 | · | · | 24,752 Direct | +32.28% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2009 | BIIB | A | 16,070 | · | · | 16,070 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2009 | BIIB | S 10b5-1 | 3,208 | $50.90 | $163,287 | 18,712 Direct | -14.64% | Disposed | 332.0% (price as of 2026-10-02) |
| Feb. 12, 2009 | BIIB | F | 1,792 | $52.61 | $94,277 | 21,920 Direct | -7.56% | Disposed | 317.9% (price as of 2026-10-02) |
| Feb. 12, 2009 | BIIB | F | 1,244 | $52.61 | $65,447 | 23,712 Direct | -4.98% | Disposed | 317.9% (price as of 2026-10-02) |
| Feb. 11, 2009 | BIIB | S 10b5-1 | 2,258 | $50.81 | $114,729 | 24,956 Direct | -8.30% | Disposed | 332.7% (price as of 2026-10-02) |
| Feb. 6, 2009 | BIIB | M | 3,633 | · | · | 28,589 Direct | +14.56% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2009 | BIIB | F | 1,375 | $52.48 | $72,160 | 27,214 Direct | -4.81% | Disposed | 319.0% (price as of 2026-10-02) |
| Feb. 6, 2009 | BIIB | M | 3,633 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 29, 2008 | BIIB | G | 32 | · | · | 24,956 Direct | -0.13% | Disposed | (price as of 2026-10-02) |
| July 22, 2008 | BIIB | M 10b5-1 | 6,485 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 22, 2008 | BIIB | S 10b5-1 | 6,485 | $71.50 | $463,678 | 24,988 Direct | -20.60% | Disposed | 207.5% (price as of 2026-10-02) |
| July 22, 2008 | BIIB | M 10b5-1 | 6,485 | $43.50 | $282,098 | 31,473 Direct | +25.95% | Acquired | 405.5% (price as of 2026-10-02) |
| July 21, 2008 | BIIB | M 10b5-1 | 6,485 | $43.50 | $282,098 | 31,473 Direct | +25.95% | Acquired | 405.5% (price as of 2026-10-02) |
| July 21, 2008 | BIIB | M 10b5-1 | 6,485 | · | · | 6,485 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| July 21, 2008 | BIIB | S 10b5-1 | 6,485 | $67.50 | $437,738 | 24,988 Direct | -20.60% | Disposed | 225.7% (price as of 2026-10-02) |
| July 21, 2008 | BIIB | M 10b5-1 | 6,485 | $4350.00 | $28,209,750 | 31,473 Direct | +25.95% | Acquired | -94.9% (price as of 2026-10-02) |
| June 2, 2008 | BIIB | M | 1,558 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 2, 2008 | BIIB | M | 1,558 | $35.37 | $55,106 | 24,962 Direct | +6.66% | Acquired | 521.7% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 300 | $64.34 | $19,302 | 23,404 Direct | -1.27% | Disposed | 241.7% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 100 | $64.31 | $6,431 | 23,704 Direct | -0.42% | Disposed | 241.9% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 600 | $64.29 | $38,574 | 23,804 Direct | -2.46% | Disposed | 242.0% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 200 | $64.27 | $12,854 | 24,404 Direct | -0.81% | Disposed | 242.1% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 100 | $64.24 | $6,424 | 24,604 Direct | -0.40% | Disposed | 242.3% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 300 | $64.23 | $19,269 | 24,704 Direct | -1.20% | Disposed | 242.3% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 200 | $64.19 | $12,838 | 25,004 Direct | -0.79% | Disposed | 242.5% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 400 | $64.12 | $25,648 | 25,204 Direct | -1.56% | Disposed | 242.9% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 300 | $64.10 | $19,230 | 25,604 Direct | -1.16% | Disposed | 243.0% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 500 | $64.09 | $32,045 | 25,904 Direct | -1.89% | Disposed | 243.1% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 12 | $64.07 | $769 | 26,404 Direct | -0.05% | Disposed | 243.2% (price as of 2026-10-02) |
| April 14, 2008 | BIIB | S 10b5-1 | 200 | $64.06 | $12,812 | 26,416 Direct | -0.75% | Disposed | 243.2% (price as of 2026-10-02) |
| March 3, 2008 | BIIB | G | 45 | · | · | 26,178 Direct | -0.17% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $61.26 | $12,252 | 26,223 Direct | -0.76% | Disposed | 258.9% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 300 | $61.23 | $18,369 | 26,423 Direct | -1.12% | Disposed | 259.1% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.18 | $6,118 | 26,723 Direct | -0.37% | Disposed | 259.4% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $61.15 | $12,230 | 26,823 Direct | -0.74% | Disposed | 259.6% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.10 | $6,110 | 27,023 Direct | -0.37% | Disposed | 259.9% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.08 | $6,108 | 27,123 Direct | -0.37% | Disposed | 260.0% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.06 | $6,106 | 27,223 Direct | -0.37% | Disposed | 260.1% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 400 | $60.94 | $24,376 | 27,323 Direct | -1.44% | Disposed | 260.8% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.88 | $6,088 | 27,723 Direct | -0.36% | Disposed | 261.2% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.80 | $6,080 | 27,823 Direct | -0.36% | Disposed | 261.6% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 167 | $60.79 | $10,152 | 27,923 Direct | -0.59% | Disposed | 261.7% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.74 | $6,074 | 28,090 Direct | -0.35% | Disposed | 262.0% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.47 | $6,047 | 28,190 Direct | -0.35% | Disposed | 263.6% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $60.46 | $12,092 | 28,290 Direct | -0.70% | Disposed | 263.7% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | A | 10,430 | · | · | 28,490 Direct | +57.75% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | F | 1,788 | $60.56 | $108,281 | 18,060 Direct | -9.01% | Disposed | 263.1% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | A | 29,210 | · | · | 29,210 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $61.26 | $12,252 | 15,793 Direct | -1.25% | Disposed | 258.9% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 300 | $61.23 | $18,369 | 15,993 Direct | -1.84% | Disposed | 259.1% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.18 | $6,118 | 16,293 Direct | -0.61% | Disposed | 259.4% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $61.15 | $12,230 | 16,393 Direct | -1.21% | Disposed | 259.6% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.10 | $6,110 | 16,593 Direct | -0.60% | Disposed | 259.9% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.08 | $6,108 | 16,693 Direct | -0.60% | Disposed | 260.0% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.06 | $6,106 | 16,793 Direct | -0.59% | Disposed | 260.1% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 400 | $60.94 | $24,376 | 16,893 Direct | -2.31% | Disposed | 260.8% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.88 | $6,088 | 17,293 Direct | -0.57% | Disposed | 261.2% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.80 | $6,080 | 17,393 Direct | -0.57% | Disposed | 261.6% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 167 | $60.79 | $10,152 | 17,493 Direct | -0.95% | Disposed | 261.7% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.74 | $6,074 | 17,660 Direct | -0.56% | Disposed | 262.0% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.47 | $6,047 | 17,760 Direct | -0.56% | Disposed | 263.6% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $60.46 | $12,092 | 17,860 Direct | -1.11% | Disposed | 263.7% (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | A | 10,430 | · | · | 26,223 Direct | +66.04% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2008 | BIIB | F | 1,788 | $60.56 | $108,281 | 18,060 Direct | -9.01% | Disposed | 263.1% (price as of 2026-10-02) |
| Feb. 6, 2008 | BIIB | M | 3,633 | · | · | 3,633 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 6, 2008 | BIIB | F | 1,366 | $60.52 | $82,670 | 19,848 Direct | -6.44% | Disposed | 263.3% (price as of 2026-10-02) |
| Feb. 6, 2008 | BIIB | M | 3,633 | · | · | 21,214 Direct | +20.66% | Acquired | (price as of 2026-10-02) |
| July 25, 2007 | BIIB | M 10b5-1 | 20,000 | · | · | 12,970 Direct | -60.66% | Disposed | (price as of 2026-10-02) |
| July 25, 2007 | BIIB | S 10b5-1 | 20,000 | $57.75 | $1,155,000 | 17,629 Direct | -53.15% | Disposed | 280.7% (price as of 2026-10-02) |
| July 25, 2007 | BIIB | M 10b5-1 | 20,000 | $43.50 | $870,000 | 37,629 Direct | +113.45% | Acquired | 405.5% (price as of 2026-10-02) |
| June 27, 2007 | BIIB | M 10b5-1 | 15,352 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 27, 2007 | BIIB | S 10b5-1 | 15,352 | $52.90 | $812,121 | 17,629 Direct | -46.55% | Disposed | 315.7% (price as of 2026-10-02) |
| June 27, 2007 | BIIB | M 10b5-1 | 15,352 | $35.37 | $543,000 | 32,981 Direct | +87.08% | Acquired | 521.7% (price as of 2026-10-02) |
| April 23, 2007 | BIIB | M 10b5-1 | 15,000 | · | · | 15,352 Direct | -49.42% | Disposed | (price as of 2026-10-02) |
| April 23, 2007 | BIIB | S 10b5-1 | 18,760 | $48.90 | $917,364 | 17,629 Direct | -51.55% | Disposed | 349.7% (price as of 2026-10-02) |
| April 23, 2007 | BIIB | M 10b5-1 | 15,000 | $35.37 | $530,550 | 36,389 Direct | +70.13% | Acquired | 521.7% (price as of 2026-10-02) |
| April 20, 2007 | BIIB | S 10b5-1 | 1,431 | $46.06 | $65,912 | 21,389 Direct | -6.27% | Disposed | 377.4% (price as of 2026-10-02) |
| April 20, 2007 | BIIB | S 10b5-1 | 1,431 | $46.00 | $65,826 | 22,820 Direct | -5.90% | Disposed | 378.0% (price as of 2026-10-02) |
| April 20, 2007 | BIIB | S 10b5-1 | 2,329 | $45.99 | $107,111 | 24,251 Direct | -8.76% | Disposed | 378.1% (price as of 2026-10-02) |
| April 20, 2007 | BIIB | S 10b5-1 | 2,328 | $46.02 | $107,135 | 26,580 Direct | -8.05% | Disposed | 377.8% (price as of 2026-10-02) |
| March 14, 2007 | BIIB | F | 3,053 | $44.11 | $134,668 | 28,174 Direct | -9.78% | Disposed | 398.5% (price as of 2026-10-02) |
| March 14, 2007 | BIIB | A | 7,346 | · | · | 31,228 Direct | +30.76% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2007 | BIIB | S 10b5-1 | 2,334 | $49.22 | $114,879 | 23,882 Direct | -8.90% | Disposed | 346.7% (price as of 2026-10-02) |
| Feb. 12, 2007 | BIIB | A | 38,900 | · | · | 38,900 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2007 | BIIB | A | 15,000 | · | · | 26,216 Direct | +133.74% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2007 | BIIB | D | 3,634 | · | · | 7,266 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 140 transactions
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 |
|---|---|---|---|---|---|---|---|
| Jan. 11, 2019 | IMUX | Stock Option (right to buy) | Common Stock | $19.03 | Nov. 16, 2024 | 50,000 | Disposed |
| Jan. 11, 2019 | IMUX | Stock Option (right to buy) | Common Stock | $8.28 | May 12, 2026 | 45,000 | Disposed |
| Jan. 11, 2019 | IMUX | Stock Option (right to buy) | Common Stock | $3.20 | June 9, 2027 | 45,000 | Disposed |
| Jan. 11, 2019 | IMUX | Stock Option (right to buy) | Common Stock | $5.00 | June 8, 2028 | 45,000 | Disposed |
| Jan. 11, 2019 | IMUX | Restricted Stock Units | Common Stock | · | · | 724,848 | Acquired |
| June 9, 2018 | IMUX | Stock Option (right to buy) | Common Stock | $5.00 | June 8, 2028 | 45,000 | Acquired |
| June 10, 2017 | IMUX | Stock Option (right to buy) | Common Stock | $3.20 | June 9, 2027 | 45,000 | Acquired |
| May 13, 2016 | IMUX | Stock Option (right to buy) | Common Stock | $8.28 | May 13, 2026 | 45,000 | Acquired |
| Nov. 17, 2014 | IMUX | Stock Option (right to buy) | Common Stock | $19.03 | Nov. 16, 2024 | 50,000 | Acquired |
| Feb. 24, 2009 | BIIB | Stock Option (Right to Buy) | Common Stock | $49.65 | Feb. 24, 2019 | 16,070 | Acquired |
| Feb. 6, 2009 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 6, 2009 | 3,633 | Disposed |
| July 22, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $43.50 | Feb. 6, 2014 | 6,485 | Disposed |
| July 21, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $43.50 | Feb. 6, 2014 | 6,485 | Disposed |
| June 2, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $35.37 | Jan. 21, 2013 | 1,558 | Disposed |
| Feb. 12, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $60.56 | Feb. 11, 2018 | 29,210 | Acquired |
| Feb. 6, 2008 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 6, 2008 | 3,633 | Disposed |
| July 25, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $43.50 | Feb. 6, 2014 | 20,000 | Disposed |
| June 27, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $35.37 | Jan. 21, 2013 | 15,352 | Disposed |
| April 23, 2007 | BIIB | Stock Option (right to buy) [F2] | Common Stock | $35.37 | Jan. 21, 2013 | 15,000 | Disposed |
| Feb. 12, 2007 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock | $49.31 | Feb. 11, 2017 | 38,900 | Acquired |
| Feb. 6, 2007 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 6, 2007 | 3,634 | Disposed |
| Nov. 15, 2006 | BIIB | Stock Option right-to-buy | Common Stock | $35.37 | Jan. 21, 2013 | 7,850 | Disposed |
| Oct. 31, 2006 | BIIB | Stock Option (right-to-buy) [F5] | Common Stock | $35.37 | Jan. 21, 2013 | 15,000 | Disposed |
| Oct. 31, 2006 | BIIB | Stock Option (right to buy) [F2] | Common Stock | $35.37 | Jan. 21, 2013 | 13,104 | Disposed |
| Feb. 6, 2006 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock | $44.24 | Feb. 5, 2016 | 27,300 | Acquired |
| Feb. 6, 2006 | BIIB | Restricted Stock Units | Common Stock | · | · | 10,900 | Acquired |
| Feb. 17, 2005 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock | $67.57 | Feb. 17, 2015 | 60,000 | Acquired |
| Dec. 9, 2004 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock | $35.37 | Jan. 21, 2013 | 5,000 | Disposed |
| May 18, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock | $35.37 | Jan. 21, 2003 | 5,000 | Disposed |
| May 18, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock | $35.37 | Jan. 21, 2013 | 10,000 | Disposed |
| Feb. 6, 2004 | BIIB | NQ Stock Option (right to buy) | Common Stock | $43.50 | Feb. 6, 2014 | 32,970 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2014 | $35,625 | · | · | · | · | · | · | $700,745 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.