Matthew M. Kim
Comptroller, Southern Company.
Companies
- Southern CompanyComptroller Aug 22, 2025 to now1
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
Southern Company SO6,110 shares2$553.0K at $90.50Oct 1, 2026
As of each latest filing. The line shows shares held over time.
Recent filings
- Oct 1, 2026Sold 100 shares at $82.73 of Southern Company2
- Sep 3, 2026Sold 1,400 shares at $88.87 of Southern Company3
- Sep 1, 2026Sold 100 shares at $88.45 of Southern Company4
- Aug 3, 2026Sold 100 shares at $94.28 of Southern Company5
- Jul 1, 2026Sold 100 shares at $95.77 of Southern Company6
- Jun 1, 2026Sold 100 shares at $91.16 of Southern Company7
- May 1, 2026Sold 100 shares at $96.57 of Southern Company8
- Apr 1, 2026Shares withheld for tax 82 shares at $96.94 of Southern Company9
- Apr 1, 2026Exercised options 82 shares of Southern Company9
- Feb 24, 2026Sold 5,123 shares at $95.15 of Southern Company10
- Feb 11, 2026Shares withheld for tax 2,014 shares at $90.86 of Southern Company11
- Feb 11, 2026Granted 4,450 shares of Southern Company11
- Feb 5, 2026Shares withheld for tax 146 shares at $91.08 of Southern Company12
- Feb 5, 2026Exercised options 292 shares of Southern Company12
- Feb 1, 2026Shares withheld for tax 173 shares at $89.31 of Southern Company13
- Feb 1, 2026Exercised options 345 shares of Southern Company13
- Jan 31, 2026Shares withheld for tax 170 shares at $89.31 of Southern Company13
- Jan 31, 2026Exercised options 340 shares of Southern Company13
Trade performance
| Date | Stock | Trade | Value | Return since | Vs S&P since | Vs S&P, 1 year |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | SO | Sale | $8.3K | +6.8% | −5.8% | |
| Sep 3, 2026 | SO | Sale | $124.4K | +0.5% | −0.6% | |
| Sep 1, 2026 | SO | Sale | $8.8K | +1.2% | +0.1% | |
| Aug 3, 2026 | SO | Sale | $9.4K | −4.0% | +5.9% | |
| Jul 1, 2026 | SO | Sale | $9.6K | −6.2% | +9.7% | |
| Jun 1, 2026 | SO | Sale | $9.1K | +0.2% | +1.6% | |
| May 1, 2026 | SO | Sale | $9.7K | −7.8% | +14.9% | |
| Feb 24, 2026 | SO | Sale | $487.5K | −6.9% | +19.2% |
Returns are price-only (no dividends), measured from the trade date.
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARSouthern Company, Comptroller
- 2
- 3SEC EDGARForm 4 filed Sep 4, 2026
- 4SEC EDGARForm 4 filed Sep 3, 2026
- 5SEC EDGARForm 4 filed Aug 4, 2026
- 6SEC EDGARForm 4 filed Jul 2, 2026
- 7SEC EDGARForm 4 filed Jun 1, 2026
- 8SEC EDGARForm 4 filed May 4, 2026
- 9SEC EDGARForm 4 filed Apr 2, 2026
- 10SEC EDGARForm 4 filed Feb 25, 2026
- 11SEC EDGARForm 4 filed Feb 13, 2026
- 12SEC EDGARForm 4 filed Feb 9, 2026
- 13SEC EDGARForm 4 filed Feb 3, 2026