John Michael Dunn
CIK 1238648 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 2, 2006 · Latest: Feb. 2, 2006
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 46 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
46 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 14, 2017 | IMUX | P | 100 | $3.08 | $308 | 9,485 Direct | +1.07% | Acquired | -98.6% (price as of 2026-08-19) |
| June 14, 2017 | IMUX | P | 2,400 | $3.09 | $7,416 | 11,885 Direct | +25.30% | Acquired | -98.6% (price as of 2026-08-19) |
| Feb. 19, 2009 | BIIB | S 10b5-1 | 3,208 | $50.90 | $163,287 | 18,712 Direct | -14.64% | Disposed | 329.7% (price as of 2026-08-19) |
| Feb. 11, 2009 | BIIB | S 10b5-1 | 2,258 | $50.81 | $114,729 | 24,956 Direct | -8.30% | Disposed | 330.4% (price as of 2026-08-19) |
| July 22, 2008 | BIIB | S 10b5-1 | 6,485 | $71.50 | $463,678 | 24,988 Direct | -20.60% | Disposed | 205.9% (price as of 2026-08-19) |
| July 21, 2008 | BIIB | S 10b5-1 | 6,485 | $67.50 | $437,738 | 24,988 Direct | -20.60% | Disposed | 224.0% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 300 | $64.34 | $19,302 | 23,404 Direct | -1.27% | Disposed | 239.9% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 100 | $64.31 | $6,431 | 23,704 Direct | -0.42% | Disposed | 240.1% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 600 | $64.29 | $38,574 | 23,804 Direct | -2.46% | Disposed | 240.2% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 200 | $64.27 | $12,854 | 24,404 Direct | -0.81% | Disposed | 240.3% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 100 | $64.24 | $6,424 | 24,604 Direct | -0.40% | Disposed | 240.5% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 300 | $64.23 | $19,269 | 24,704 Direct | -1.20% | Disposed | 240.5% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 200 | $64.19 | $12,838 | 25,004 Direct | -0.79% | Disposed | 240.7% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 400 | $64.12 | $25,648 | 25,204 Direct | -1.56% | Disposed | 241.1% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 300 | $64.10 | $19,230 | 25,604 Direct | -1.16% | Disposed | 241.2% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 500 | $64.09 | $32,045 | 25,904 Direct | -1.89% | Disposed | 241.3% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 12 | $64.07 | $769 | 26,404 Direct | -0.05% | Disposed | 241.4% (price as of 2026-08-19) |
| April 14, 2008 | BIIB | S 10b5-1 | 200 | $64.06 | $12,812 | 26,416 Direct | -0.75% | Disposed | 241.4% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $61.26 | $12,252 | 26,223 Direct | -0.76% | Disposed | 257.0% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 300 | $61.23 | $18,369 | 26,423 Direct | -1.12% | Disposed | 257.2% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.18 | $6,118 | 26,723 Direct | -0.37% | Disposed | 257.5% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $61.15 | $12,230 | 26,823 Direct | -0.74% | Disposed | 257.7% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.10 | $6,110 | 27,023 Direct | -0.37% | Disposed | 258.0% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.08 | $6,108 | 27,123 Direct | -0.37% | Disposed | 258.1% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.06 | $6,106 | 27,223 Direct | -0.37% | Disposed | 258.2% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 400 | $60.94 | $24,376 | 27,323 Direct | -1.44% | Disposed | 258.9% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.88 | $6,088 | 27,723 Direct | -0.36% | Disposed | 259.2% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.80 | $6,080 | 27,823 Direct | -0.36% | Disposed | 259.7% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 167 | $60.79 | $10,152 | 27,923 Direct | -0.59% | Disposed | 259.8% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.74 | $6,074 | 28,090 Direct | -0.35% | Disposed | 260.1% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.47 | $6,047 | 28,190 Direct | -0.35% | Disposed | 261.7% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $60.46 | $12,092 | 28,290 Direct | -0.70% | Disposed | 261.7% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $61.26 | $12,252 | 15,793 Direct | -1.25% | Disposed | 257.0% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 300 | $61.23 | $18,369 | 15,993 Direct | -1.84% | Disposed | 257.2% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.18 | $6,118 | 16,293 Direct | -0.61% | Disposed | 257.5% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $61.15 | $12,230 | 16,393 Direct | -1.21% | Disposed | 257.7% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.10 | $6,110 | 16,593 Direct | -0.60% | Disposed | 258.0% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.08 | $6,108 | 16,693 Direct | -0.60% | Disposed | 258.1% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $61.06 | $6,106 | 16,793 Direct | -0.59% | Disposed | 258.2% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 400 | $60.94 | $24,376 | 16,893 Direct | -2.31% | Disposed | 258.9% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.88 | $6,088 | 17,293 Direct | -0.57% | Disposed | 259.2% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.80 | $6,080 | 17,393 Direct | -0.57% | Disposed | 259.7% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 167 | $60.79 | $10,152 | 17,493 Direct | -0.95% | Disposed | 259.8% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.74 | $6,074 | 17,660 Direct | -0.56% | Disposed | 260.1% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 100 | $60.47 | $6,047 | 17,760 Direct | -0.56% | Disposed | 261.7% (price as of 2026-08-19) |
| Feb. 12, 2008 | BIIB | S 10b5-1 | 200 | $60.46 | $12,092 | 17,860 Direct | -1.11% | Disposed | 261.7% (price as of 2026-08-19) |
| July 25, 2007 | BIIB | S 10b5-1 | 20,000 | $57.75 | $1,155,000 | 17,629 Direct | -53.15% | Disposed | 278.7% (price as of 2026-08-19) |
| June 27, 2007 | BIIB | S 10b5-1 | 15,352 | $52.90 | $812,121 | 17,629 Direct | -46.55% | Disposed | 313.4% (price as of 2026-08-19) |
| April 23, 2007 | BIIB | S 10b5-1 | 18,760 | $48.90 | $917,364 | 17,629 Direct | -51.55% | Disposed | 347.3% (price as of 2026-08-19) |
| April 20, 2007 | BIIB | S 10b5-1 | 1,431 | $46.06 | $65,912 | 21,389 Direct | -6.27% | Disposed | 374.8% (price as of 2026-08-19) |
| April 20, 2007 | BIIB | S 10b5-1 | 1,431 | $46.00 | $65,826 | 22,820 Direct | -5.90% | Disposed | 375.5% (price as of 2026-08-19) |
| April 20, 2007 | BIIB | S 10b5-1 | 2,329 | $45.99 | $107,111 | 24,251 Direct | -8.76% | Disposed | 375.6% (price as of 2026-08-19) |
| April 20, 2007 | BIIB | S 10b5-1 | 2,328 | $46.02 | $107,135 | 26,580 Direct | -8.05% | Disposed | 375.2% (price as of 2026-08-19) |
| Feb. 13, 2007 | BIIB | S 10b5-1 | 2,334 | $49.22 | $114,879 | 23,882 Direct | -8.90% | Disposed | 344.4% (price as of 2026-08-19) |
Showing latest 100 of 137 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 (50,000) | $19.03 | Nov. 16, 2024 | 50,000 | Disposed |
| Jan. 11, 2019 | IMUX | Stock Option (right to buy) | Common Stock (45,000) | $8.28 | May 12, 2026 | 45,000 | Disposed |
| Jan. 11, 2019 | IMUX | Stock Option (right to buy) | Common Stock (45,000) | $3.20 | June 9, 2027 | 45,000 | Disposed |
| Jan. 11, 2019 | IMUX | Stock Option (right to buy) | Common Stock (45,000) | $5.00 | June 8, 2028 | 45,000 | Disposed |
| Jan. 11, 2019 | IMUX | Restricted Stock Units | Common Stock (724,848) | — | — | 724,848 | Acquired |
| June 9, 2018 | IMUX | Stock Option (right to buy) | Common Stock (45,000) | $5.00 | June 8, 2028 | 45,000 | Acquired |
| June 10, 2017 | IMUX | Stock Option (right to buy) | Common Stock (45,000) | $3.20 | June 9, 2027 | 45,000 | Acquired |
| Nov. 17, 2014 | IMUX | Stock Option (right to buy) | Common Stock (50,000) | $19.03 | Nov. 16, 2024 | 50,000 | Acquired |
| Feb. 24, 2009 | BIIB | Stock Option (Right to Buy) | Common Stock (16,070) | $49.65 | Feb. 24, 2019 | 16,070 | Acquired |
| Feb. 6, 2009 | BIIB | Restricted Stock Unit | Common Stock (3,633) | — | Feb. 6, 2009 | 3,633 | Disposed |
| July 22, 2008 | BIIB | Stock Option (right to buy) | Common Stock (6,485) | $43.50 | Feb. 6, 2014 | 6,485 | Disposed |
| July 21, 2008 | BIIB | Stock Option (right to buy) | Common Stock (6,485) | $43.50 | Feb. 6, 2014 | 6,485 | Disposed |
| June 2, 2008 | BIIB | Stock Option (right to buy) | Common Stock (1,558) | $35.37 | Jan. 21, 2013 | 1,558 | Disposed |
| Feb. 12, 2008 | BIIB | Stock Option (right to buy) | Common Stock (29,210) | $60.56 | Feb. 11, 2018 | 29,210 | Acquired |
| Feb. 6, 2008 | BIIB | Restricted Stock Unit | Common Stock (3,633) | $0.00 | Feb. 6, 2008 | 3,633 | Disposed |
| July 25, 2007 | BIIB | Stock Option (right to buy) | Common Stock (20,000) | $43.50 | Feb. 6, 2014 | 20,000 | Disposed |
| June 27, 2007 | BIIB | Stock Option (right to buy) | Common Stock (15,352) | $35.37 | Jan. 21, 2013 | 15,352 | Disposed |
| April 23, 2007 | BIIB | Stock Option (right to buy) [F2] | Common Stock (15,000) | $35.37 | Jan. 21, 2013 | 15,000 | Disposed |
| Feb. 12, 2007 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (38,900) | $49.31 | Feb. 11, 2017 | 38,900 | Acquired |
| Feb. 6, 2007 | BIIB | Restricted Stock Unit | Common Stock (3,634) | — | Feb. 6, 2007 | 3,634 | Disposed |
| Nov. 15, 2006 | BIIB | Stock Option right-to-buy | Common Stock (7,850) | $35.37 | Jan. 21, 2013 | 7,850 | Disposed |
| Oct. 31, 2006 | BIIB | Stock Option (right-to-buy) [F5] | Common Stock (15,000) | $35.37 | Jan. 21, 2013 | 15,000 | Disposed |
| Oct. 31, 2006 | BIIB | Stock Option (right to buy) [F2] | Common Stock (13,104) | $35.37 | Jan. 21, 2013 | 13,104 | Disposed |
| Feb. 6, 2006 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (27,300) | $44.24 | Feb. 5, 2016 | 27,300 | Acquired |
| Feb. 6, 2006 | BIIB | Restricted Stock Units | Common Stock (10,900) | — | — | 10,900 | Acquired |
| Feb. 17, 2005 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (60,000) | $67.57 | Feb. 17, 2015 | 60,000 | Acquired |
| Dec. 9, 2004 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (5,000) | $35.37 | Jan. 21, 2013 | 5,000 | Disposed |
| May 18, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (5,000) | $35.37 | Jan. 21, 2003 | 5,000 | Disposed |
| May 18, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (10,000) | $35.37 | Jan. 21, 2013 | 10,000 | Disposed |
| Feb. 6, 2004 | BIIB | NQ Stock Option (right to buy) | Common Stock (32,970) | $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.