John P Stumpf
CIK 1382533 · View on SEC EDGAR ↗
Insider
First SEC filing: May 28, 2008 · Latest: May 28, 2008
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 12 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
12 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 23, 2008 | MDU | S | 4,042 | $31.61 | $127,768 | 7,868 Direct | -33.94% | Disposed | 71.5% (price as of 2026-08-20) |
| May 23, 2008 | MDU | S | 200 | $31.62 | $6,324 | 7,668 Direct | -2.54% | Disposed | 71.4% (price as of 2026-08-20) |
| May 23, 2008 | MDU | S | 300 | $31.63 | $9,489 | 7,368 Direct | -3.91% | Disposed | 71.4% (price as of 2026-08-20) |
| May 23, 2008 | MDU | S | 900 | $31.64 | $28,476 | 6,468 Direct | -12.21% | Disposed | 71.3% (price as of 2026-08-20) |
| Aug. 28, 2007 | MDU | P | 188 | $26.61 | $5,003 | 1,071 Indirect | +21.29% | Acquired | 103.7% (price as of 2026-08-20) |
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 (5,442) | $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.