InsiderTrades

Kim Matthew M.

SEC CIK 2082705 · EDGAR

Buying vs selling by month open-market trades, last 24 months, SO
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SOSouthern CompanyComptroller 4,988 — $658.5K 152026-01-312026-09-03

Most active insiders at SO, 12 months

#InsiderTitleBoughtSold
1 Greene Kimberly S,COB, Pres, CEO, GPC —$2.42M
2 Connally Stan WEVP, COO —$1.21M
3 Kim Matthew M.Comptroller —$658.5K
4 Cummiskey ChristopherEVP —$643.9K
5 Anderson Bryan DEVP —$582.3K
6 Sena Peter P IIICOB, Pres, CEO, SNC —$377.9K
7 Spainhour Sterling A Jr.EVP, CLO —$313.4K
8 Drake Sloane NEVP, CHRO ——
9 Peoples James JeffreyCOB, Pres, CEO, APC ——
10 Cherry Pedro P.COB, Pres, CEO, MPC ——

Transactions 15

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-04 13:00 2026-09-03 SO Southern Company Kim Matthew M. Comptroller S - Sale $88.87 -1,400 4,988 -22% -$124.4K
T 2026-09-03 10:00 2026-09-01 SO Southern Company Kim Matthew M. Comptroller S - Sale $88.45 -100 6,400 -2% -$8,845
T 2026-08-04 10:30 2026-08-03 SO Southern Company Kim Matthew M. Comptroller S - Sale $94.28 -100 6,488 -2% -$9,428
T 2026-07-02 14:00 2026-07-01 SO Southern Company Kim Matthew M. Comptroller S - Sale $95.77 -100 6,588 -1% -$9,577
T 2026-06-01 16:00 2026-06-01 SO Southern Company Kim Matthew M. Comptroller S - Sale $91.16 -100 6,688 -1% -$9,116
T 2026-05-04 15:24 2026-05-01 SO Southern Company Kim Matthew M. Comptroller S - Sale $96.57 -100 6,788 -1% -$9,657
D 2026-04-02 16:30 2026-04-01 SO Southern Company Kim Matthew M. Comptroller M - OptEx $0.00 +82 6,970 +1% $0
D 2026-04-02 16:30 2026-04-01 SO Southern Company Kim Matthew M. Comptroller F - Tax $96.94 -82 6,888 -1% -$7,949
T 2026-02-25 2026-02-24 SO Southern Company Kim Matthew M. Comptroller S - Sale $95.15 -5,123 6,888 -43% -$487.5K
2026-02-13 2026-02-11 SO Southern Company Kim Matthew M. Comptroller A - Grant $0.00 +4,450 14.0K +46% $0
2026-02-13 2026-02-11 SO Southern Company Kim Matthew M. Comptroller F - Tax $90.86 -2,014 14.0K -13% -$183.0K
D 2026-02-09 2026-02-05 SO Southern Company Kim Matthew M. Comptroller M - OptEx $0.00 +292 9,721 +3% $0
D 2026-02-09 2026-02-05 SO Southern Company Kim Matthew M. Comptroller F - Tax $91.08 -146 9,575 -2% -$13.3K
DM 2026-02-03 2026-01-31+ SO Southern Company Kim Matthew M. Comptroller M - OptEx $0.00 +685 9,427 +8% $0
DM 2026-02-03 2026-01-31+ SO Southern Company Kim Matthew M. Comptroller F - Tax $89.31 -343 9,429 -4% -$30.6K

Purchase Sale Sale after option exercise All abbreviations