Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 20 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
May 7, 2026 NWN I 10b5-1 1,014 $50.19 $50,893 22,710 Indirect +4.67% Acquired -5.6% (price as of 2026-10-02)
March 2, 2026 NWN I 10b5-1 972 $52.59 $51,117 21,696 Indirect +4.69% Acquired -9.9% (price as of 2026-10-02)
Nov. 6, 2025 NWN I 10b5-1 1,096 $46.59 $51,063 20,326 Indirect +5.70% Acquired 1.7% (price as of 2026-10-02)
Aug. 6, 2025 NWN I 10b5-1 1,282 $39.72 $50,921 19,016 Indirect +7.23% Acquired 19.3% (price as of 2026-10-02)
May 7, 2025 NWN I 10b5-1 1,158 $43.95 $50,894 17,537 Indirect +7.07% Acquired 7.8% (price as of 2026-10-02)
March 3, 2025 NWN I 10b5-1 1,206 $42.37 $51,098 16,378 Indirect +7.95% Acquired 11.8% (price as of 2026-10-02)
Nov. 20, 2024 NWN I 10b5-1 1,157 $42.12 $48,733 14,992 Indirect +8.36% Acquired 12.5% (price as of 2026-10-02)
Aug. 5, 2024 NWN I 10b5-1 1,277 $38.09 $48,641 13,517 Indirect +10.43% Acquired 24.4% (price as of 2026-10-02)
May 7, 2024 NWN I 10b5-1 1,268 $38.37 $48,653 12,102 Indirect +11.70% Acquired 23.5% (price as of 2026-10-02)
Feb. 26, 2024 NWN I 10b5-1 1,334 $36.60 $48,824 10,834 Indirect +14.04% Acquired 29.5% (price as of 2026-10-02)
Nov. 6, 2023 NWN I 10b5-1 1,168 $37.75 $44,092 9,268 Indirect +14.42% Acquired 25.5% (price as of 2026-10-02)
Aug. 4, 2023 NWN I 10b5-1 1,099 $41.33 $45,422 8,016 Indirect +15.89% Acquired 14.6% (price as of 2026-10-02)
May 5, 2023 NWN I 10b5-1 949 $47.05 $44,650 6,853 Indirect +16.07% Acquired 0.7% (price as of 2026-10-02)
Feb. 27, 2023 NWN I 938 $47.75 $44,790 5,904 Indirect +18.89% Acquired -0.8% (price as of 2026-10-02)
Nov. 9, 2022 NWN I 820 $45.40 $37,228 4,876 Indirect +20.22% Acquired 4.4% (price as of 2026-10-02)
Aug. 5, 2022 NWN I 708 $52.56 $37,212 4,026 Indirect +21.34% Acquired -9.9% (price as of 2026-10-02)
May 5, 2022 NWN I 758 $49.02 $37,157 3,294 Indirect +29.89% Acquired -3.3% (price as of 2026-10-02)
Feb. 28, 2022 NWN I 737 $52.01 $38,331 2,536 Indirect +40.97% Acquired -8.9% (price as of 2026-10-02)
Nov. 8, 2021 NWN I 504 $45.73 $23,048 1,767 Indirect +39.90% Acquired 3.6% (price as of 2026-10-02)
Aug. 6, 2021 NWN I 1,263 $53.43 $67,482 1,263 Indirect · Acquired -11.3% (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.

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Jan. 7, 2021 NWN No securities are beneficially owned 0 Direct