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CC

Christopher Cummiskey

SO
EVP & CCCS OFFICER · SOUTHERN CO · CIK 0001642170
FILING MIX · LIFETIME29%/71%
BUYS
26
SELLS
65
TOTAL VALUE
$8.88M
COMPANIES
1
ACTIVE SINCE
Feb 2021
HOLDINGS NOW
30,800
AVG SELL PX
$74.52
TRADE KIND
SHOWING 91 / 91
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
19 backtested trades · 8 horizons · 6 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Christopher Cummiskey, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d19+42.11%+0.50%-0.09%+0.59%+0.14%—
14d19+42.11%+0.68%-0.12%+0.80%+0.75%—
30d19+26.32%+2.50%+0.83%+1.68%+1.51%—
60d19+21.05%+5.38%-0.41%+5.79%+5.41%—
90d19+15.79%+9.32%+1.51%+7.81%+10.14%—
180d19(1 pending)+22.22%+14.49%+4.46%+10.03%+15.09%—
1y19(1 pending)+5.56%+12.58%+11.29%+1.29%+2.37%—
2y19(4 pending)+0.00%+22.73%+29.79%-7.06%-7.30%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
SO · 30,800.442 shares · as of Mar 19, 2026
011,64923,29934,94846,59720222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 26 buys / 65 sellsCOVERAGE · 21 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
SO
SOUTHERN CO
SALE
EVP
6,669$96.55$643.9K30,800.442Mar 19, 2026Mar 19, 2026 ↗View →
SO
SOUTHERN CO
SALE
EVP
1,441——2,880Feb 11, 2026Feb 13, 2026 ↗View →
SO
SOUTHERN CO
SALE
EVP
9,880$90.86$897.7K36,717.442Feb 11, 2026Feb 13, 2026 ↗View →
SO
SOUTHERN CO
PURCHASEGRANT
Stock grant
22,178——46,597.442Feb 11, 2026Feb 13, 2026 ↗View →
SO
SOUTHERN CO
SALE
EVP
738$90.86$67.1K37,469.442Feb 11, 2026Feb 13, 2026 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP
1,490——38,207.442Feb 11, 2026Feb 13, 2026 ↗View →
SO
SOUTHERN CO
SALE
EVP
834$89.31$74.5K24,419.442Feb 1, 2026Feb 3, 2026 ↗View →
SO
SOUTHERN CO
SALE
EVP
1,537——0Feb 1, 2026Feb 3, 2026 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP
1,715——25,253.442Feb 1, 2026Feb 3, 2026 ↗View →
SO
SOUTHERN CO
SALE
EVP
758$89.31$67.7K23,538.442Jan 31, 2026Feb 3, 2026 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP
1,794——24,296.442Jan 31, 2026Feb 3, 2026 ↗View →
SO
SOUTHERN CO
SALE
EVP
1,674——1,674Jan 31, 2026Feb 3, 2026 ↗View →
SO
SOUTHERN CO
SALE10b5-1
10b5-1 plan
12,335$89.54$1.10M22,502.442May 23, 2025May 27, 2025 ↗View →
SO
SOUTHERN CO
SALE10b5-1
10b5-1 plan
944$86.00$81.2K34,837.442Feb 19, 2025Feb 20, 2025 ↗View →
SO
SOUTHERN CO
SALE
EVP
1,524——0Feb 13, 2025Feb 18, 2025 ↗View →
SO
SOUTHERN CO
SALE
EVP
764$86.78$66.3K35,781.442Feb 13, 2025Feb 18, 2025 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP
1,708——36,545.442Feb 13, 2025Feb 18, 2025 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCO
854$83.87$71.6K23,384.442Feb 5, 2025Feb 7, 2025 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCO
1,736——24,238.442Feb 5, 2025Feb 7, 2025 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCO
9,237$83.87$774.7K34,837.442Feb 5, 2025Feb 7, 2025 ↗View →
SO
SOUTHERN CO
PURCHASEGRANT
Stock grant
20,690——44,074.442Feb 5, 2025Feb 7, 2025 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCO
1,674——3,348Feb 5, 2025Feb 7, 2025 ↗View →
SO
SOUTHERN CO
SALE10b5-1
10b5-1 plan
837$83.32$69.7K22,502.442Feb 4, 2025Feb 5, 2025 ↗View →
SO
SOUTHERN CO
SALE
Chairman, President & CEO, SCS
1,537——1,537Feb 1, 2025Feb 4, 2025 ↗View →
SO
SOUTHERN CO
SALE
Chairman, President & CEO, SCS
822$83.95$69.0K23,339.442Feb 1, 2025Feb 4, 2025 ↗View →
SO
SOUTHERN CO
PURCHASE
Chairman, President & CEO, SCS
1,659——24,161.442Feb 1, 2025Feb 4, 2025 ↗View →
SO
SOUTHERN CO
SALE10b5-1
10b5-1 plan
902$65.99$59.5K22,502.442Feb 16, 2024Feb 16, 2024 ↗View →
SO
SOUTHERN CO
SALE10b5-1
10b5-1 plan
12,985$67.18$872.3K23,404.442Feb 15, 2024Feb 16, 2024 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,646——37,133.442Feb 13, 2024Feb 14, 2024 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,524——1,524Feb 13, 2024Feb 14, 2024 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
744$67.51$50.2K36,389.442Feb 13, 2024Feb 14, 2024 ↗View →
SO
SOUTHERN CO
SALE10b5-1
10b5-1 plan
883$66.94$59.1K35,487.442Feb 12, 2024Feb 13, 2024 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
719$66.95$48.1K36,370.442Feb 7, 2024Feb 9, 2024 ↗View →
SO
SOUTHERN CO
PURCHASEGRANT
Stock grant
23,655——46,157.442Feb 7, 2024Feb 9, 2024 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,538——3,074Feb 7, 2024Feb 9, 2024 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
10,670$66.95$714.4K35,487.442Feb 7, 2024Feb 9, 2024 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,602——37,089.442Feb 7, 2024Feb 9, 2024 ↗View →
SO
SOUTHERN CO
SALE10b5-1
10b5-1 plan
899$67.06$60.3K22,502.442Feb 6, 2024Feb 7, 2024 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,794——24,306.442Feb 3, 2024Feb 6, 2024 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
905$68.65$62.1K23,401.442Feb 3, 2024Feb 6, 2024 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,592——0Feb 3, 2024Feb 6, 2024 ↗View →
SO
SOUTHERN CO
SALE10b5-1
10b5-1 plan
5,000$68.30$341.5K22,512.442Aug 29, 2023Aug 31, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,282$66.60$85.4K27,512.442Feb 16, 2023Feb 17, 2023 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,582——29,509.442Feb 13, 2023Feb 15, 2023 ↗View →
SO
SOUTHERN CO
PURCHASEGRANT
Stock grant
9,934——32,408.442Feb 13, 2023Feb 15, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,524——3,048Feb 13, 2023Feb 15, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
715$67.13$48.0K28,794.442Feb 13, 2023Feb 15, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
4,481$67.13$300.8K27,927.442Feb 13, 2023Feb 15, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
338$66.88$22.6K22,474.442Feb 11, 2023Feb 14, 2023 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
753——22,812.442Feb 11, 2023Feb 14, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
667——0Feb 11, 2023Feb 14, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
852$67.31$57.3K22,059.442Feb 8, 2023Feb 9, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,591——1,592Feb 3, 2023Feb 7, 2023 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,720——23,779.442Feb 3, 2023Feb 7, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
868$67.27$58.4K22,911.442Feb 3, 2023Feb 7, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,027$72.03$74.0K22,059.442Jan 4, 2023Jan 5, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,534——0Dec 31, 2022Jan 3, 2023 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,880——23,939.442Dec 31, 2022Jan 3, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
853$71.41$60.9K23,086.442Dec 31, 2022Jan 3, 2023 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
2,000$64.73$129.5K22,059.442Mar 1, 2022Mar 2, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
909$63.61$57.8K24,059.442Feb 23, 2022Feb 24, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
874$65.07$56.9K24,968.442Feb 16, 2022Feb 18, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,592——3,183Feb 13, 2022Feb 15, 2022 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,659——19,001.442Feb 13, 2022Feb 15, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
6,300$66.79$420.8K25,842.442Feb 13, 2022Feb 15, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
750$66.79$50.1K18,251.442Feb 13, 2022Feb 15, 2022 ↗View →
SO
SOUTHERN CO
PURCHASEGRANT
Stock grant
13,891——32,142.442Feb 13, 2022Feb 15, 2022 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
726——17,683.442Feb 11, 2022Feb 14, 2022 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
992——17,460.442Feb 11, 2022Feb 14, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
503$66.79$33.6K16,957.442Feb 11, 2022Feb 14, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
341$66.79$22.8K17,342.442Feb 11, 2022Feb 14, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
874——0Feb 11, 2022Feb 14, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
667——667Feb 11, 2022Feb 14, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
989$67.65$66.9K16,468.442Jan 5, 2022Jan 6, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
823$68.58$56.4K17,457.442Dec 31, 2021Jan 6, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,534——1,534Dec 31, 2021Jan 6, 2022 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,812——18,280.442Dec 31, 2021Jan 6, 2022 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
2,000$61.45$122.9K15,798.197Dec 1, 2021Dec 2, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
1,500$65.97$99.0K17,798.197Sep 1, 2021Sep 2, 2021 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
1,042——19,772.197Feb 27, 2021Mar 2, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
905——0Feb 27, 2021Mar 2, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
474$56.72$26.9K19,298.197Feb 27, 2021Mar 2, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
6,200$59.52$369.0K18,730.197Feb 19, 2021Feb 22, 2021 ↗View →
SO
SOUTHERN CO
PURCHASEGRANT
Stock grant
12,944——30,796.197Feb 12, 2021Feb 17, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
5,866$60.10$352.5K24,930.197Feb 12, 2021Feb 17, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
335$61.29$20.5K17,852.197Feb 11, 2021Feb 16, 2021 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
697——18,187.197Feb 11, 2021Feb 16, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
484$61.29$29.7K17,490.197Feb 11, 2021Feb 16, 2021 ↗View →
SO
SOUTHERN CO
PURCHASE
EVP & CCCS Officer
953——17,974.197Feb 11, 2021Feb 16, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
668——1,334Feb 11, 2021Feb 16, 2021 ↗View →
SO
SOUTHERN CO
SALE
EVP & CCCS Officer
874——875Feb 11, 2021Feb 16, 2021 ↗View →
Other insiders · SO
Loading peer insiders…
About this filer
CIK 0001642170
ROLE
EVP & CCCS Officer
PRIMARY
SO
COMPANIES
1
ACTIVE SINCE
Feb 2021
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