Bryan D Anderson

Insider

First SEC filing: Nov. 10, 2020 · Latest: Nov. 10, 2020

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

SOMN selling Sept. 30, 2025

Insider transactions

0 buys (P) 1 sells (S) Net: $-582,309 + 74 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

74 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 11, 2026	SOMN	A	26,326	—	—	79,804 Direct	+49.23%	Acquired	(price as of 2026-08-20)
Feb. 11, 2026	SOMN	M	1,660	—	—	3,319 Direct	-33.34%	Disposed	(price as of 2026-08-20)
Feb. 11, 2026	SOMN	F	941	$90.86	$85,499	67,389 Direct	-1.38%	Disposed	-45.5% (price as of 2026-08-20)
Feb. 11, 2026	SOMN	M	1,716	—	—	68,330 Direct	+2.58%	Acquired	(price as of 2026-08-20)
Feb. 11, 2026	SOMN	F	13,190	$90.86	$1,198,443	66,614 Direct	-16.53%	Disposed	-45.5% (price as of 2026-08-20)
Feb. 1, 2026	SOMN	M	1,825	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 1, 2026	SOMN	F	1,085	$89.31	$96,901	53,478 Direct	-1.99%	Disposed	-44.6% (price as of 2026-08-20)
Feb. 1, 2026	SOMN	M	2,037	—	—	54,563 Direct	+3.88%	Acquired	(price as of 2026-08-20)
Jan. 31, 2026	SOMN	M	2,052	—	—	53,507 Direct	+3.99%	Acquired	(price as of 2026-08-20)
Jan. 31, 2026	SOMN	F	981	$89.31	$87,613	52,526 Direct	-1.83%	Disposed	-44.6% (price as of 2026-08-20)
Jan. 31, 2026	SOMN	M	1,915	—	—	1,916 Direct	-49.99%	Disposed	(price as of 2026-08-20)
Sept. 30, 2025	SOMN	S	6,206	$93.83	$582,309	51,455 Direct	-10.76%	Disposed	-47.2% (price as of 2026-08-20)
Feb. 13, 2025	SOMN	M	1,553	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2025	SOMN	F	873	$86.78	$75,759	57,661 Direct	-1.49%	Disposed	-42.9% (price as of 2026-08-20)
Feb. 13, 2025	SOMN	M	1,740	—	—	58,534 Direct	+3.06%	Acquired	(price as of 2026-08-20)
Feb. 5, 2025	SOMN	M	1,916	—	—	3,831 Direct	-33.34%	Disposed	(price as of 2026-08-20)
Feb. 5, 2025	SOMN	F	10,564	$83.87	$886,003	56,794 Direct	-15.68%	Disposed	-41.0% (price as of 2026-08-20)
Feb. 5, 2025	SOMN	A	21,084	—	—	67,358 Direct	+45.56%	Acquired	(price as of 2026-08-20)
Feb. 5, 2025	SOMN	F	1,087	$83.87	$91,167	46,274 Direct	-2.30%	Disposed	-41.0% (price as of 2026-08-20)
Feb. 5, 2025	SOMN	M	1,986	—	—	47,361 Direct	+4.38%	Acquired	(price as of 2026-08-20)
Feb. 1, 2025	SOMN	M	1,824	—	—	1,825 Direct	-49.99%	Disposed	(price as of 2026-08-20)
Feb. 1, 2025	SOMN	F	1,061	$83.95	$89,071	45,375 Direct	-2.28%	Disposed	-41.0% (price as of 2026-08-20)
Feb. 1, 2025	SOMN	M	1,969	—	—	46,436 Direct	+4.43%	Acquired	(price as of 2026-08-20)
Sept. 6, 2024	SOMN	S	6,565	$89.54	$587,830	44,467 Direct	-12.86%	Disposed	-44.7% (price as of 2026-08-20)
Feb. 13, 2024	SOMN	M	1,553	—	—	1,553 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2024	SOMN	F	811	$67.51	$54,751	51,032 Direct	-1.56%	Disposed	-26.7% (price as of 2026-08-20)
Feb. 13, 2024	SOMN	M	1,677	—	—	51,843 Direct	+3.34%	Acquired	(price as of 2026-08-20)
Feb. 7, 2024	SOMN	M	1,825	—	—	3,649 Direct	-33.34%	Disposed	(price as of 2026-08-20)
Feb. 7, 2024	SOMN	F	916	$66.95	$61,326	50,166 Direct	-1.79%	Disposed	-26.0% (price as of 2026-08-20)
Feb. 7, 2024	SOMN	M	1,901	—	—	51,082 Direct	+3.87%	Acquired	(price as of 2026-08-20)
Feb. 7, 2024	SOMN	F	11,424	$66.95	$764,837	49,181 Direct	-18.85%	Disposed	-26.0% (price as of 2026-08-20)
Feb. 7, 2024	SOMN	A	23,649	—	—	60,605 Direct	+63.99%	Acquired	(price as of 2026-08-20)
Feb. 3, 2024	SOMN	M	1,591	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2024	SOMN	F	955	$68.65	$65,561	36,956 Direct	-2.52%	Disposed	-27.9% (price as of 2026-08-20)
Feb. 3, 2024	SOMN	M	1,792	—	—	37,911 Direct	+4.96%	Acquired	(price as of 2026-08-20)
May 10, 2023	SOMN	M	27,426	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 10, 2023	SOMN	S	27,426	$75.11	$2,059,967	36,119 Direct	-43.16%	Disposed	-34.1% (price as of 2026-08-20)
May 10, 2023	SOMN	M	27,426	—	—	63,545 Direct	+75.93%	Acquired	(price as of 2026-08-20)
May 8, 2023	SOMN	M	9,491	—	—	27,426 Direct	-25.71%	Disposed	(price as of 2026-08-20)
May 8, 2023	SOMN	S 10b5-1	9,491	$75.03	$712,110	36,119 Direct	-20.81%	Disposed	-34.0% (price as of 2026-08-20)
May 8, 2023	SOMN	M	9,491	—	—	45,610 Direct	+26.28%	Acquired	(price as of 2026-08-20)
Feb. 13, 2023	SOMN	M	1,553	—	—	3,106 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 13, 2023	SOMN	F	780	$67.13	$52,361	36,119 Direct	-2.11%	Disposed	-26.2% (price as of 2026-08-20)
Feb. 13, 2023	SOMN	M	1,612	—	—	36,899 Direct	+4.57%	Acquired	(price as of 2026-08-20)
Feb. 13, 2023	SOMN	F	3,325	$67.13	$223,207	35,287 Direct	-8.61%	Disposed	-26.2% (price as of 2026-08-20)
Feb. 13, 2023	SOMN	A	6,883	—	—	38,612 Direct	+21.69%	Acquired	(price as of 2026-08-20)
Feb. 11, 2023	SOMN	M	462	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 11, 2023	SOMN	F	251	$66.88	$16,787	31,729 Direct	-0.78%	Disposed	-26.0% (price as of 2026-08-20)
Feb. 11, 2023	SOMN	M	521	—	—	31,980 Direct	+1.66%	Acquired	(price as of 2026-08-20)
Feb. 3, 2023	SOMN	M	1,591	—	—	1,591 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2023	SOMN	F	922	$67.27	$62,023	31,459 Direct	-2.85%	Disposed	-26.4% (price as of 2026-08-20)
Feb. 3, 2023	SOMN	M	1,721	—	—	32,381 Direct	+5.61%	Acquired	(price as of 2026-08-20)
April 8, 2022	SOMN	M	26,917	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 8, 2022	SOMN	S 10b5-1	26,917	$75.96	$2,044,615	30,660 Direct	-46.75%	Disposed	-34.8% (price as of 2026-08-20)
April 8, 2022	SOMN	M	26,917	—	—	57,577 Direct	+87.79%	Acquired	(price as of 2026-08-20)
Feb. 13, 2022	SOMN	M	1,592	—	—	3,182 Direct	-33.35%	Disposed	(price as of 2026-08-20)
Feb. 13, 2022	SOMN	F	4,746	$66.79	$316,985	30,660 Direct	-13.40%	Disposed	-25.9% (price as of 2026-08-20)
Feb. 13, 2022	SOMN	A	9,865	—	—	35,406 Direct	+38.62%	Acquired	(price as of 2026-08-20)
Feb. 13, 2022	SOMN	F	792	$66.79	$52,898	25,541 Direct	-3.01%	Disposed	-25.9% (price as of 2026-08-20)
Feb. 13, 2022	SOMN	M	1,659	—	—	26,333 Direct	+6.72%	Acquired	(price as of 2026-08-20)
Feb. 11, 2022	SOMN	M	621	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 11, 2022	SOMN	M	462	—	—	462 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 11, 2022	SOMN	F	267	$66.79	$17,833	24,674 Direct	-1.07%	Disposed	-25.9% (price as of 2026-08-20)
Feb. 11, 2022	SOMN	M	503	—	—	24,941 Direct	+2.06%	Acquired	(price as of 2026-08-20)
Feb. 11, 2022	SOMN	F	377	$66.79	$25,180	24,438 Direct	-1.52%	Disposed	-25.9% (price as of 2026-08-20)
Feb. 11, 2022	SOMN	M	705	—	—	24,815 Direct	+2.92%	Acquired	(price as of 2026-08-20)
Sept. 7, 2021	SOMN	M	22,510	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 7, 2021	SOMN	S 10b5-1	22,510	$66.87	$1,505,244	24,110 Direct	-48.28%	Disposed	-26.0% (price as of 2026-08-20)
Sept. 7, 2021	SOMN	M	22,510	$44.42	$999,894	46,620 Direct	+93.36%	Acquired	11.5% (price as of 2026-08-20)
Feb. 27, 2021	SOMN	M	677	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 27, 2021	SOMN	F	376	$56.72	$21,327	24,110 Direct	-1.54%	Disposed	-12.7% (price as of 2026-08-20)
Feb. 27, 2021	SOMN	M	779	—	—	24,486 Direct	+3.29%	Acquired	(price as of 2026-08-20)
Feb. 12, 2021	SOMN	F	4,660	$60.10	$280,066	23,707 Direct	-16.43%	Disposed	-17.6% (price as of 2026-08-20)
Feb. 12, 2021	SOMN	A	9,691	—	—	28,367 Direct	+51.89%	Acquired	(price as of 2026-08-20)
Feb. 11, 2021	SOMN	M	621	—	—	621 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 11, 2021	SOMN	M	463	—	—	924 Direct	-33.38%	Disposed	(price as of 2026-08-20)
Feb. 11, 2021	SOMN	F	259	$61.29	$15,874	18,676 Direct	-1.37%	Disposed	-19.2% (price as of 2026-08-20)
Feb. 11, 2021	SOMN	M	483	—	—	18,935 Direct	+2.62%	Acquired	(price as of 2026-08-20)
Feb. 11, 2021	SOMN	F	362	$61.29	$22,187	18,452 Direct	-1.92%	Disposed	-19.2% (price as of 2026-08-20)
Feb. 11, 2021	SOMN	M	677	—	—	18,814 Direct	+3.73%	Acquired	(price as of 2026-08-20)

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
Feb. 11, 2026	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,660)	$0.00	—	1,660	Disposed
Feb. 1, 2026	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,825)	$0.00	—	1,825	Disposed
Jan. 31, 2026	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,915)	$0.00	—	1,915	Disposed
Feb. 13, 2025	SOMN	Performance Restricted Stock Units	Southern Company Common Stock	$0.00	—	1,553	Disposed
Feb. 5, 2025	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,916)	$0.00	—	1,916	Disposed
Feb. 1, 2025	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,824)	$0.00	—	1,824	Disposed
Feb. 13, 2024	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,553)	$0.00	—	1,553	Disposed
Feb. 7, 2024	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,825)	$0.00	—	1,825	Disposed
Feb. 3, 2024	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,591)	$0.00	—	1,591	Disposed
May 10, 2023	SOMN	Option Right to Buy [F1]	Southern Company Common Stock (27,426)	$41.28	Feb. 10, 2024	27,426	Disposed
May 8, 2023	SOMN	Option Right to Buy [F1]	Southern Company Common Stock (9,491)	$41.28	Feb. 10, 2024	9,491	Disposed
Feb. 13, 2023	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,553)	$0.00	—	1,553	Disposed
Feb. 11, 2023	SOMN	Southern Co Restricted Stock Units	Southern Company Common Stock (462)	$0.00	—	462	Disposed
Feb. 3, 2023	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (1,591)	$0.00	—	1,591	Disposed
April 8, 2022	SOMN	Option Right to Buy [F1]	Southern Company Common Stock (26,917)	$44.06	Feb. 11, 2023	26,917	Disposed
Feb. 13, 2022	SOMN	Performance Restricted Stock Units [F4]	Southern Company Common Stock (1,592)	$0.00	—	1,592	Disposed
Feb. 11, 2022	SOMN	Southern Co Restricted Stock Units [F5]	Southern Company Common Stock (621)	$0.00	—	621	Disposed
Feb. 11, 2022	SOMN	Southern Co Restricted Stock Units [F4]	Southern Company Common Stock (462)	$0.00	—	462	Disposed
Sept. 7, 2021	SOMN	Option Right to Buy [F1]	Southern Company Common Stock (22,510)	$44.42	Feb. 13, 2022	22,510	Disposed
Feb. 27, 2021	SOMN	Southern Co Restricted Stock Units [F3]	Southern Company Common Stock (677)	$0.00	—	677	Disposed
Feb. 11, 2021	SOMN	Southern Co Restricted Stock Units [F5]	Southern Company Common Stock (621)	$0.00	—	621	Disposed
Feb. 11, 2021	SOMN	Southern Co Restricted Stock Units [F4]	Southern Company Common Stock (463)	$0.00	—	463	Disposed

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

Initial ownership (Form 3) 4 holdings

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

Date	Ticker	Security	Shares	Ownership
Nov. 10, 2020	SOMN	Southern Company Common Stock	18,137	Direct
Nov. 10, 2020	SOMN	Option Right to Buy→ Southern Company Common Stock (26,917)	26,917	Direct
Nov. 10, 2020	SOMN	Option Right to Buy→ Southern Company Common Stock (22,510)	22,510	Direct
Nov. 10, 2020	SOMN	Option Right to Buy→ Southern Company Common Stock (36,917)	36,917	Direct