Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 63 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

63 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 11, 2010 BKH S 5,000 $32.76 $163,800 13,883 Direct -26.48% Disposed 116.6% (price as of 2026-10-02)
Dec. 8, 2009 BKH S 10,000 $25.50 $255,000 16,906 Direct -37.17% Disposed 178.3% (price as of 2026-10-02)
Dec. 7, 2009 BKH S 20,000 $24.75 $495,000 16,906 Direct -54.19% Disposed 186.7% (price as of 2026-10-02)
Sept. 20, 2005 BKH S 7,500 $43.00 $322,500 9,406 Direct -44.36% Disposed 65.0% (price as of 2026-10-02)
Sept. 19, 2005 BKH S 450 $42.17 $18,976 9,406 Direct -4.57% Disposed 68.3% (price as of 2026-10-02)
Sept. 19, 2005 BKH S 1,800 $42.00 $75,600 9,856 Direct -15.44% Disposed 69.0% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Dec. 8, 2009 BKH Option (Right to Buy) Common Stock (10,000) $21.88 April 25, 2010 10,000 Disposed
Dec. 7, 2009 BKH Option (Right to Buy) Common Stock (10,000) $21.88 April 25, 2010 10,000 Disposed
Dec. 7, 2009 BKH Option (Right to Buy) Common Stock (10,000) $21.88 April 25, 2010 10,000 Disposed
Sept. 20, 2005 BKH Option (Right to Buy) Common Stock (2,500) $22.00 April 21, 2008 2,500 Disposed
Sept. 20, 2005 BKH Option (Right to Buy) Common Stock (2,500) $22.00 April 21, 2008 2,500 Disposed
Sept. 20, 2005 BKH Option (Right to Buy) Common Stock (2,500) $22.00 April 21, 2008 2,500 Disposed
Sept. 19, 2005 BKH Option (Right to Buy) Common Stock (750) $22.50 Dec. 9, 2007 750 Disposed
Sept. 19, 2005 BKH Option (Right to Buy) Common Stock (750) $22.50 Dec. 9, 2007 750 Disposed
Sept. 19, 2005 BKH Option (Right to Buy) Common Stock (750) $22.50 Dec. 9, 2007 750 Disposed

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

Initial ownership (Form 3) 21 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Aug. 6, 2004 BKH Common Stock 8,566 Direct
Aug. 6, 2004 BKH Common Stock 90 Indirect
Aug. 6, 2004 BKH Common Stock - 401K Plan 1,398 Indirect
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (750) 750 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (750) 750 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (750) 750 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (2,500) 2,500 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (2,500) 2,500 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (2,500) 2,500 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (2,666) 2,666 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (2,667) 2,667 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (2,667) 2,667 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (10,000) 10,000 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (10,000) 10,000 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (10,000) 10,000 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (1,071) 1,071 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (1,072) 1,072 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (1,072) 1,072 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (1,164) 1,164 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (1,164) 1,164 Direct
Aug. 6, 2004 BKH Option (Right to Buy)→ Common Stock (1,165) 1,165 Direct