Paul L Joskow

CIK 1196502 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 11, 2005 · Latest: Feb. 9, 2012

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 78 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.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 31, 2023 EXC A 1,027 $40.18 $41,265 78,018 Indirect +1.33% Acquired 11.6% (price as of 2026-08-21)
Dec. 31, 2022 EXC A 936 $41.42 $38,769 76,307 Indirect +1.24% Acquired 8.3% (price as of 2026-08-21)
Sept. 30, 2022 EXC A 845 $45.84 $38,735 74,763 Indirect +1.14% Acquired -2.1% (price as of 2026-08-21)
June 30, 2022 EXC A 842 $46.01 $38,740 73,377 Indirect +1.16% Acquired -2.5% (price as of 2026-08-21)
March 31, 2022 EXC A 889 $43.60 $38,760 72,007 Indirect +1.25% Acquired 2.9% (price as of 2026-08-21)
Dec. 31, 2021 EXC A 719 $53.91 $38,761 53,528 Indirect +1.36% Acquired 16.7% (price as of 2026-08-21)
Sept. 30, 2021 EXC A 776 $49.91 $38,730 52,437 Indirect +1.50% Acquired 26.0% (price as of 2026-08-21)
June 30, 2021 EXC A 830 $46.71 $38,769 51,268 Indirect +1.65% Acquired 34.6% (price as of 2026-08-21)
March 31, 2021 EXC A 894 $43.36 $38,764 50,029 Indirect +1.82% Acquired 45.0% (price as of 2026-08-21)
Dec. 31, 2020 EXC A 941 $41.20 $38,769 48,705 Indirect +1.97% Acquired 52.6% (price as of 2026-08-21)
Sept. 30, 2020 EXC A 1,081 $35.84 $38,743 47,326 Indirect +2.34% Acquired 75.5% (price as of 2026-08-21)
June 30, 2020 EXC A 969 $40.00 $38,760 45,756 Indirect +2.16% Acquired 57.2% (price as of 2026-08-21)
March 31, 2020 EXC A 899 $43.12 $38,765 44,363 Indirect +2.07% Acquired 45.8% (price as of 2026-08-21)
Dec. 31, 2019 EXC A 867 $44.72 $38,772 43,082 Indirect +2.05% Acquired 40.6% (price as of 2026-08-21)
Sept. 30, 2019 EXC A 801 $48.35 $38,728 41,876 Indirect +1.95% Acquired 30.1% (price as of 2026-08-21)
June 30, 2019 EXC A 782 $49.57 $38,764 40,769 Indirect +1.96% Acquired 26.9% (price as of 2026-08-21)
March 31, 2019 EXC A 794 $48.78 $38,731 39,697 Indirect +2.04% Acquired 28.9% (price as of 2026-08-21)
Dec. 31, 2018 EXC A 771 $47.00 $36,237 38,616 Indirect +2.04% Acquired 33.8% (price as of 2026-08-21)
Sept. 30, 2018 EXC A 812 $44.62 $36,231 37,569 Indirect +2.21% Acquired 40.9% (price as of 2026-08-21)
June 30, 2018 EXC A 906 $40.00 $36,240 36,474 Indirect +2.55% Acquired 57.2% (price as of 2026-08-21)
March 31, 2018 EXC A 967 $37.50 $36,262 35,264 Indirect +2.82% Acquired 67.7% (price as of 2026-08-21)
Dec. 31, 2017 EXC A 883 $41.05 $36,247 33,985 Indirect +2.67% Acquired 53.2% (price as of 2026-08-21)
Sept. 30, 2017 EXC A 950 $38.17 $36,262 32,839 Indirect +2.98% Acquired 64.8% (price as of 2026-08-21)
June 30, 2017 EXC A 990 $36.62 $36,254 31,619 Indirect +3.23% Acquired 71.7% (price as of 2026-08-21)
March 31, 2017 EXC A 1,008 $35.97 $36,258 30,357 Indirect +3.43% Acquired 74.8% (price as of 2026-08-21)
Dec. 31, 2016 EXC A 1,039 $34.90 $36,261 29,085 Indirect +3.70% Acquired 80.2% (price as of 2026-08-21)
Sept. 30, 2016 EXC A 972 $33.40 $32,465 27,793 Indirect +3.62% Acquired 88.3% (price as of 2026-08-21)
June 30, 2016 EXC A 723 $34.60 $25,016 26,568 Indirect +2.80% Acquired 81.8% (price as of 2026-08-21)
March 31, 2016 EXC A 720 $34.73 $25,006 25,610 Indirect +2.89% Acquired 81.1% (price as of 2026-08-21)
Dec. 31, 2015 EXC A 944 $26.48 $24,997 24,670 Indirect +3.98% Acquired 137.5% (price as of 2026-08-21)
Sept. 30, 2015 EXC A 840 $29.75 $24,990 23,451 Indirect +3.72% Acquired 111.4% (price as of 2026-08-21)
June 30, 2015 EXC A 731 $34.18 $24,986 22,378 Indirect +3.38% Acquired 84.0% (price as of 2026-08-21)
March 31, 2015 EXC A 778 $32.13 $24,997 21,452 Indirect +3.76% Acquired 95.7% (price as of 2026-08-21)
Dec. 31, 2014 EXC A 696 $35.94 $25,014 20,476 Indirect +3.52% Acquired 75.0% (price as of 2026-08-21)
Sept. 30, 2014 EXC A 757 $33.04 $25,011 19,611 Indirect +4.02% Acquired 90.3% (price as of 2026-08-21)
June 30, 2014 EXC A 673 $37.16 $25,009 18,679 Indirect +3.74% Acquired 69.2% (price as of 2026-08-21)
March 31, 2014 EXC A 837 $29.88 $25,010 17,858 Indirect +4.92% Acquired 110.5% (price as of 2026-08-21)
Dec. 31, 2013 EXC A 887 $28.20 $25,013 16,846 Indirect +5.56% Acquired 123.0% (price as of 2026-08-21)
Sept. 30, 2013 EXC A 814 $30.73 $25,014 15,786 Indirect +5.44% Acquired 104.6% (price as of 2026-08-21)
June 30, 2013 EXC A 796 $31.39 $24,986 14,823 Indirect +5.67% Acquired 100.3% (price as of 2026-08-21)
March 31, 2013 EXC A 778 $32.13 $24,997 13,889 Indirect +5.93% Acquired 95.7% (price as of 2026-08-21)
Dec. 31, 2012 EXC A 841 $29.73 $25,003 12,901 Indirect +6.97% Acquired 111.5% (price as of 2026-08-21)
Sept. 30, 2012 EXC A 700 $35.70 $24,990 11,850 Indirect +6.28% Acquired 76.2% (price as of 2026-08-21)
June 30, 2012 EXC A 668 $37.41 $24,990 10,989 Indirect +6.47% Acquired 68.1% (price as of 2026-08-21)
March 31, 2012 EXC A 643 $38.91 $25,019 10,178 Indirect +6.74% Acquired 61.6% (price as of 2026-08-21)
Dec. 31, 2011 EXC A 574 $43.58 $25,015 9,408 Indirect +6.50% Acquired 44.3% (price as of 2026-08-21)
Sept. 30, 2011 EXC A 590 $42.38 $25,004 8,730 Indirect +7.25% Acquired 48.4% (price as of 2026-08-21)
June 30, 2011 EXC A 597 $41.86 $24,990 8,040 Indirect +8.02% Acquired 50.2% (price as of 2026-08-21)
March 31, 2011 EXC A 582 $42.96 $25,003 7,351 Indirect +8.60% Acquired 46.4% (price as of 2026-08-21)
Dec. 31, 2010 EXC A 624 $40.04 $24,985 6,687 Indirect +10.29% Acquired 57.1% (price as of 2026-08-21)
Sept. 30, 2010 EXC A 60 $42.82 $2,569 4,958 Direct +1.22% Acquired 46.9% (price as of 2026-08-21)
Sept. 30, 2010 EXC A 584 $42.82 $25,007 5,984 Indirect +10.81% Acquired 46.9% (price as of 2026-08-21)
June 30, 2010 EXC A 784 $37.97 $29,768 5,682 Direct +16.01% Acquired 65.6% (price as of 2026-08-21)
June 30, 2010 EXC A 624 $40.04 $24,985 5,335 Indirect +13.25% Acquired 57.1% (price as of 2026-08-21)
March 31, 2010 EXC A 554 $45.11 $24,991 4,650 Indirect +13.53% Acquired 39.4% (price as of 2026-08-21)
Dec. 31, 2009 EXC A 603 $48.87 $29,469 4,779 Direct +14.44% Acquired 28.7% (price as of 2026-08-21)
Dec. 31, 2009 EXC A 490 $51.04 $25,010 4,048 Indirect +13.77% Acquired 23.2% (price as of 2026-08-21)
Sept. 30, 2009 EXC A 514 $48.68 $25,022 3,522 Indirect +17.09% Acquired 29.2% (price as of 2026-08-21)
Sept. 30, 2009 EXC A 552 $49.62 $27,390 4,134 Direct +15.41% Acquired 26.7% (price as of 2026-08-21)
June 30, 2009 EXC A 574 $51.21 $29,395 3,544 Direct +19.33% Acquired 22.8% (price as of 2026-08-21)
June 30, 2009 EXC A 497 $50.33 $25,014 2,977 Indirect +20.04% Acquired 24.9% (price as of 2026-08-21)
March 31, 2009 EXC A 611 $45.39 $27,733 2,939 Direct +26.25% Acquired 38.5% (price as of 2026-08-21)
March 31, 2009 EXC A 587 $42.57 $24,989 2,454 Indirect +31.44% Acquired 47.7% (price as of 2026-08-21)
Dec. 31, 2008 EXC A 665 $55.61 $36,981 2,300 Direct +40.67% Acquired 13.1% (price as of 2026-08-21)
Dec. 31, 2008 EXC A 448 $55.82 $25,007 1,844 Indirect +32.09% Acquired 12.7% (price as of 2026-08-21)
Sept. 30, 2008 EXC A 534 $62.62 $33,439 1,620 Direct +49.17% Acquired 0.4% (price as of 2026-08-21)
Sept. 30, 2008 EXC A 389 $64.23 $24,985 1,383 Indirect +39.13% Acquired -2.1% (price as of 2026-08-21)
June 30, 2008 EXC A 256 $89.96 $23,030 1,077 Direct +31.18% Acquired -30.1% (price as of 2026-08-21)
June 30, 2008 EXC A 239 $88.84 $21,233 986 Indirect +31.99% Acquired -29.2% (price as of 2026-08-21)
March 31, 2008 EXC A 265 $81.27 $21,537 817 Direct +48.01% Acquired -22.6% (price as of 2026-08-21)
March 31, 2008 EXC A 275 $77.22 $21,236 743 Indirect +58.76% Acquired -18.6% (price as of 2026-08-21)
Feb. 25, 2008 PMO J 287 $12.51 $3,590 387 Direct +287.00% Acquired -18.0% (price as of 2026-08-21)
Feb. 19, 2008 PMM J 95 $7.86 $747 195 Direct +95.00% Acquired -20.0% (price as of 2026-08-21)
Feb. 19, 2008 PMM J 95 $7.86 $747 103 Direct +1187.50% Acquired -20.0% (price as of 2026-08-21)
Dec. 31, 2007 EXC A 263 $81.64 $21,471 549 Direct +91.96% Acquired -23.0% (price as of 2026-08-21)
Dec. 31, 2007 EXC A 247 $86.18 $21,286 465 Indirect +113.30% Acquired -27.0% (price as of 2026-08-21)
Sept. 30, 2007 EXC A 284 $75.36 $21,402 284 Direct — Acquired -16.6% (price as of 2026-08-21)
Sept. 30, 2007 EXC A 217 $73.39 $15,926 217 Indirect — Acquired -14.3% (price as of 2026-08-21)

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
Sept. 30, 2010 EXC Deferred Compensation - Phantom Shares Common Stock (60) — — 60 Acquired
June 30, 2010 EXC Deferred Compensation - Phantom Shares Common Stock (784) — — 784 Acquired
Dec. 31, 2009 EXC Deferred Compensation - Phantom Shares Common Stock (603) — — 603 Acquired
Sept. 30, 2009 EXC Deferred Compensation - Phantom Shares Common Stock (552) — — 552 Acquired
June 30, 2009 EXC Deferred Compensation - Phantom Shares Common Stock (574) — — 574 Acquired
March 31, 2009 EXC Deferred Compensation - Phantom Shares Common Stock (611) — — 611 Acquired
Dec. 31, 2008 EXC Deferred Compensation - Phantom Shares Common Stock (665) — — 665 Acquired
Sept. 30, 2008 EXC Deferred Compensation - Phantom Shares Common Stock (534) — — 534 Acquired
June 30, 2008 EXC Deferred Compensation - Phantom Shares Common Stock (256) — — 256 Acquired
March 31, 2008 EXC Deferred Compensation - Phantom Shares Common Stock (265) — — 265 Acquired
Dec. 31, 2007 EXC Deferred Compensation - Phantom Shares Common Stock (263) — — 263 Acquired
Sept. 30, 2007 EXC Deferred Compensation - Phantom Shares Common Stock (284) — — 284 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
July 26, 2007 EXC Common Stock 2,000 Direct