Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 47 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 1, 2007 BKH A 23 $41.38 $952 2,776 Indirect +0.84% Acquired 71.0% (price as of 2026-10-06)
May 31, 2007 BKH A 220 $40.99 $9,018 2,753 Indirect +8.69% Acquired 72.6% (price as of 2026-10-06)
March 1, 2007 BKH A 24 $36.22 $869 2,534 Indirect +0.96% Acquired 95.3% (price as of 2026-10-06)
Feb. 28, 2007 BKH A 232 $35.98 $8,347 2,510 Indirect +10.18% Acquired 96.6% (price as of 2026-10-06)
Dec. 1, 2006 BKH A 21 $35.67 $749 2,278 Indirect +0.93% Acquired 98.3% (price as of 2026-10-06)
Nov. 30, 2006 BKH A 196 $35.71 $6,999 2,258 Indirect +9.51% Acquired 98.1% (price as of 2026-10-06)
Sept. 1, 2006 BKH A 19 $35.18 $668 2,061 Indirect +0.93% Acquired 101.1% (price as of 2026-10-06)
Aug. 31, 2006 BKH A 201 $34.81 $6,997 2,042 Indirect +10.92% Acquired 103.2% (price as of 2026-10-06)
June 1, 2006 BKH A 18 $34.11 $614 1,841 Indirect +0.99% Acquired 107.4% (price as of 2026-10-06)
June 1, 2006 BKH A 207 $33.83 $7,003 1,824 Indirect +12.80% Acquired 109.1% (price as of 2026-10-06)
March 1, 2006 BKH A 15 $34.80 $522 1,617 Indirect +0.94% Acquired 103.3% (price as of 2026-10-06)
Feb. 28, 2006 BKH A 202 $34.57 $6,983 1,601 Indirect +14.44% Acquired 104.6% (price as of 2026-10-06)
Dec. 1, 2005 BKH A 12 $37.23 $447 1,399 Indirect +0.87% Acquired 90.0% (price as of 2026-10-06)
Nov. 30, 2005 BKH A 192 $36.55 $7,018 1,387 Indirect +16.07% Acquired 93.5% (price as of 2026-10-06)
Sept. 1, 2005 BKH A 9 $41.79 $376 1,196 Indirect +0.76% Acquired 69.3% (price as of 2026-10-06)
Aug. 31, 2005 BKH A 168 $41.65 $6,997 1,186 Indirect +16.50% Acquired 69.8% (price as of 2026-10-06)
June 1, 2005 BKH A 9 $37.45 $337 1,018 Indirect +0.89% Acquired 88.9% (price as of 2026-10-06)
May 31, 2005 BKH A 34 $36.62 $1,245 1,010 Indirect +3.48% Acquired 93.2% (price as of 2026-10-06)
April 29, 2005 BKH A 36 $34.28 $1,234 976 Indirect +3.83% Acquired 106.4% (price as of 2026-10-06)
March 31, 2005 BKH A 38 $33.07 $1,257 939 Indirect +4.22% Acquired 113.9% (price as of 2026-10-06)
March 1, 2005 BKH A 9 $32.03 $288 901 Indirect +1.01% Acquired 120.9% (price as of 2026-10-06)
Feb. 28, 2005 BKH A 39 $31.70 $1,236 892 Indirect +4.57% Acquired 123.2% (price as of 2026-10-06)
Jan. 31, 2005 BKH A 42 $29.79 $1,251 853 Indirect +5.18% Acquired 137.5% (price as of 2026-10-06)
Dec. 31, 2004 BKH A 41 $30.68 $1,258 811 Indirect +5.32% Acquired 130.6% (price as of 2026-10-06)
Dec. 1, 2004 BKH A 8 $30.45 $244 770 Indirect +1.05% Acquired 132.3% (price as of 2026-10-06)
Nov. 30, 2004 BKH A 41 $30.71 $1,259 763 Indirect +5.68% Acquired 130.3% (price as of 2026-10-06)
Oct. 29, 2004 BKH A 42 $29.46 $1,237 722 Indirect +6.18% Acquired 140.1% (price as of 2026-10-06)
Sept. 30, 2004 BKH A 45 $27.78 $1,250 679 Indirect +7.10% Acquired 154.6% (price as of 2026-10-06)
Sept. 1, 2004 BKH A 7 $28.42 $199 634 Indirect +1.12% Acquired 148.9% (price as of 2026-10-06)
Aug. 31, 2004 BKH A 45 $27.85 $1,253 628 Indirect +7.72% Acquired 154.0% (price as of 2026-10-06)
July 30, 2004 BKH A 45 $27.62 $1,243 583 Indirect +8.36% Acquired 156.1% (price as of 2026-10-06)
June 30, 2004 BKH A 40 $31.50 $1,260 537 Indirect +8.05% Acquired 124.6% (price as of 2026-10-06)
June 1, 2004 BKH A 5 $29.78 $149 498 Indirect +1.01% Acquired 137.5% (price as of 2026-10-06)
May 28, 2004 BKH A 43 $29.30 $1,260 493 Indirect +9.56% Acquired 141.4% (price as of 2026-10-06)
April 30, 2004 BKH A 41 $30.59 $1,254 450 Indirect +10.02% Acquired 131.3% (price as of 2026-10-06)
March 31, 2004 BKH A 39 $31.87 $1,243 409 Indirect +10.54% Acquired 122.0% (price as of 2026-10-06)
March 1, 2004 BKH A 4 $30.42 $122 370 Indirect +1.09% Acquired 132.5% (price as of 2026-10-06)
Feb. 27, 2004 BKH A 41 $30.60 $1,255 366 Indirect +12.62% Acquired 131.2% (price as of 2026-10-06)
Jan. 31, 2004 BKH A 42 $29.80 $1,252 325 Indirect +14.84% Acquired 137.4% (price as of 2026-10-06)
Dec. 31, 2003 BKH A 42 $41.90 $1,760 283 Indirect +17.43% Acquired 68.8% (price as of 2026-10-06)
Dec. 1, 2003 BKH A 2 $32.24 $64 241 Indirect +0.84% Acquired 119.4% (price as of 2026-10-06)
Nov. 30, 2003 BKH A 39 $32.26 $1,258 239 Indirect +19.50% Acquired 119.3% (price as of 2026-10-06)
Oct. 31, 2003 BKH A 39 $32.17 $1,255 200 Indirect +24.22% Acquired 119.9% (price as of 2026-10-06)
Sept. 30, 2003 BKH A 41 $30.86 $1,265 162 Indirect +33.88% Acquired 129.2% (price as of 2026-10-06)
Sept. 2, 2003 BKH A 1 $32.40 $32 121 Indirect +0.83% Acquired 118.3% (price as of 2026-10-06)
Aug. 31, 2003 BKH A 39 $32.41 $1,264 120 Indirect +48.15% Acquired 118.3% (price as of 2026-10-06)
July 31, 2003 BKH A 41 $30.69 $1,258 81 Indirect +102.50% Acquired 130.5% (price as of 2026-10-06)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 1, 2007 BKH Phantom Stock Unit Common Stock (0) · · 23 Acquired
May 31, 2007 BKH Phantom Stock Unit Common Stock (0) · · 220 Acquired
March 1, 2007 BKH Phantom Stock Unit Common Stock (0) · · 24 Acquired
Feb. 28, 2007 BKH Phantom Stock Unit Common Stock (0) · · 232 Acquired
Dec. 1, 2006 BKH Phantom Stock Unit Common Stock (0) · · 21 Acquired
Nov. 30, 2006 BKH Phantom Stock Unit Common Stock (0) · · 196 Acquired
Sept. 1, 2006 BKH Phantom Stock Unit Common Stock (0) · · 19 Acquired
Aug. 31, 2006 BKH Phantom Stock Unit Common Stock (0) · · 201 Acquired
June 1, 2006 BKH Phantom Stock Unit Common Stock (0) · · 18 Acquired
June 1, 2006 BKH Phantom Stock Unit Common Stock (0) · · 207 Acquired
March 1, 2006 BKH Phantom Stock Unit Common Stock (15) · · 15 Acquired
Feb. 28, 2006 BKH Phantom Stock Unit Common Stock (202) · · 202 Acquired
Dec. 1, 2005 BKH Phantom Stock Unit Common Stock (0) · · 12 Acquired
Nov. 30, 2005 BKH Phantom Stock Unit Common Stock (0) · · 192 Acquired
Sept. 1, 2005 BKH Phantom Stock Unit Common Stock (0) · · 9 Acquired
Aug. 31, 2005 BKH Phantom Stock Unit Common Stock (0) · · 168 Acquired
June 1, 2005 BKH Phantom Stock Unit Common Stock (0) · · 9 Acquired
May 31, 2005 BKH Phantom Stock Unit Common Stock (0) · · 34 Acquired
April 29, 2005 BKH Phantom Stock Unit Common Stock (0) · · 36 Acquired
March 31, 2005 BKH Phantom Stock Unit Common Stock (0) · · 38 Acquired
March 1, 2005 BKH Phantom Stock Unit Common Stock (0) · · 9 Acquired
Feb. 28, 2005 BKH Phantom Stock Unit Common Stock (0) · · 39 Acquired
Jan. 31, 2005 BKH Phantom Stock Unit Common Stock (0) · · 42 Acquired
Dec. 31, 2004 BKH Phantom Stock Unit Common Stock (0) · · 41 Acquired
Dec. 1, 2004 BKH Phantom Stock Unit Common Stock (0) · · 8 Acquired
Nov. 30, 2004 BKH Phantom Stock Unit Common Stock (0) · · 41 Acquired
Oct. 29, 2004 BKH Phantom Stock Unit Common Stock (0) · · 42 Acquired
Sept. 30, 2004 BKH Phantom Stock Unit Common Stock (0) · · 45 Acquired
Sept. 1, 2004 BKH Phantom Stock Unit Common Stock (0) · · 7 Acquired
Aug. 31, 2004 BKH Phantom Stock Unit Common Stock (0) · · 45 Acquired
July 30, 2004 BKH Phantom Stock Unit Common Stock (0) · · 45 Acquired
June 30, 2004 BKH Phantom Stock Unit Common Stock (0) · · 40 Acquired
June 1, 2004 BKH Phantom Stock Unit Common Stock (0) · · 5 Acquired
May 28, 2004 BKH Phantom Stock Unit Common Stock (0) · · 43 Acquired
April 30, 2004 BKH Phantom Stock Unit Common Stock (0) · · 41 Acquired
March 31, 2004 BKH Phantom Stock Unit Common Stock (0) · · 39 Acquired
March 1, 2004 BKH Phantom Stock Unit Common Stock (0) · · 4 Acquired
Feb. 27, 2004 BKH Phantom Stock Unit Common Stock (0) · · 41 Acquired
Jan. 31, 2004 BKH Phantom Stock Unit Common Stock (0) · · 42 Acquired
Dec. 31, 2003 BKH Phantom Stock Unit Common Stock (0) · · 42 Acquired
Dec. 1, 2003 BKH Phantom Stock Unit Common Stock (0) · · 2 Acquired
Nov. 30, 2003 BKH Phantom Stock Unit Common Stock (0) · · 39 Acquired
Oct. 31, 2003 BKH Phantom Stock Unit Common Stock (0) · · 39 Acquired
Sept. 30, 2003 BKH Phantom Stock Unit Common Stock (0) · · 41 Acquired
Sept. 2, 2003 BKH Phantom Stock Unit Common Stock (0) · Aug. 8, 1988 1 Acquired
Aug. 31, 2003 BKH Phantom Stock Unit Common Stock (0) · Aug. 8, 1988 39 Acquired
July 31, 2003 BKH Phantom Stock Unit Common Stock (0) · Aug. 8, 1988 41 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).