John P Stumpf
Insider
First SEC filing: May 28, 2008 · Latest: May 28, 2008
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 13, 2014 | MDU | F | 2,331 | $33.70 | $78,555 | 14,984 Direct | -13.46% | Disposed | 45.2% (price as of 2026-10-02) |
| Feb. 13, 2014 | MDU | A | 7,456 | · | · | 17,315 Direct | +75.63% | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2010 | MDU | F | 1,074 | $19.99 | $21,469 | 9,752 Direct | -9.92% | Disposed | 144.8% (price as of 2026-10-02) |
| Feb. 11, 2010 | MDU | A | 2,977 | · | · | 10,826 Direct | +37.93% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2009 | MDU | F | 772 | $18.61 | $14,367 | 7,822 Direct | -8.98% | Disposed | 163.0% (price as of 2026-10-02) |
| Feb. 12, 2009 | MDU | A | 2,113 | · | · | 8,594 Direct | +32.60% | Acquired | (price as of 2026-10-02) |
| May 23, 2008 | MDU | M | 5,442 | $16.20 | $88,160 | 11,910 Direct | +84.14% | Acquired | 202.1% (price as of 2026-10-02) |
| May 23, 2008 | MDU | S | 4,042 | $31.61 | $127,768 | 7,868 Direct | -33.94% | Disposed | 54.8% (price as of 2026-10-02) |
| May 23, 2008 | MDU | S | 200 | $31.62 | $6,324 | 7,668 Direct | -2.54% | Disposed | 54.8% (price as of 2026-10-02) |
| May 23, 2008 | MDU | S | 300 | $31.63 | $9,489 | 7,368 Direct | -3.91% | Disposed | 54.7% (price as of 2026-10-02) |
| May 23, 2008 | MDU | S | 900 | $31.64 | $28,476 | 6,468 Direct | -12.21% | Disposed | 54.7% (price as of 2026-10-02) |
| May 23, 2008 | MDU | M | 5,442 | $16.20 | $88,160 | 0 Direct | -100.00% | Disposed | 202.1% (price as of 2026-10-02) |
| Feb. 14, 2008 | MDU | F | 1,435 | $26.66 | $38,257 | 6,463 Direct | -18.17% | Disposed | 83.6% (price as of 2026-10-02) |
| Feb. 14, 2008 | MDU | A | 4,111 | · | · | 7,898 Direct | +108.56% | Acquired | (price as of 2026-10-02) |
| Aug. 28, 2007 | MDU | P | 188 | $26.61 | $5,003 | 1,071 Indirect | +21.29% | Acquired | 83.9% (price as of 2026-10-02) |
| Feb. 15, 2007 | MDU | F | 981 | $26.08 | $25,584 | 3,772 Direct | -20.64% | Disposed | 87.7% (price as of 2026-10-02) |
| Feb. 15, 2007 | MDU | A | 2,684 | · | · | 4,753 Direct | +129.72% | 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 |
|---|---|---|---|---|---|---|---|
| May 23, 2008 | MDU | Stock Options (Right to buy) | Common Stock | $16.20 | Feb. 15, 2011 | 5,442 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.