Sterling A Spainhour Jr.

Insider

First SEC filing: April 3, 2023 · Latest: June 1, 2026

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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

Insider transactions

0 buys (P) 1 sells (S) Net: $-313,369 + 48 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

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 6, 2026	SOMN	S	3,333	$94.02	$313,369	35,219 Direct	-8.65%	Disposed	-48.0% (price as of 2026-08-21)
May 29, 2026	FLO	A	22,260	—	—	22,260 Direct	—	Acquired	(price as of 2026-08-21)
May 29, 2026	FLO	M	7,900	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 29, 2026	FLO	M	7,900	—	—	7,900 Direct	—	Acquired	(price as of 2026-08-21)
March 6, 2026	SOMN	I	6,330	$97.64	$618,061	704 Indirect	-89.99%	Disposed	-49.9% (price as of 2026-08-21)
Feb. 11, 2026	SOMN	M	2,443	—	—	4,884 Direct	-33.34%	Disposed	(price as of 2026-08-21)
Feb. 11, 2026	SOMN	F	1,126	$90.86	$102,308	38,552 Direct	-2.84%	Disposed	-46.1% (price as of 2026-08-21)
Feb. 11, 2026	SOMN	M	2,526	—	—	39,678 Direct	+6.80%	Acquired	(price as of 2026-08-21)
Feb. 11, 2026	SOMN	F	13,648	$90.86	$1,240,057	37,152 Direct	-26.87%	Disposed	-46.1% (price as of 2026-08-21)
Feb. 11, 2026	SOMN	A	30,641	—	—	50,800 Direct	+152.00%	Acquired	(price as of 2026-08-21)
Feb. 1, 2026	SOMN	M	2,124	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 1, 2026	SOMN	F	1,058	$89.31	$94,490	20,159 Direct	-4.99%	Disposed	-45.2% (price as of 2026-08-21)
Feb. 1, 2026	SOMN	M	2,371	—	—	21,217 Direct	+12.58%	Acquired	(price as of 2026-08-21)
Jan. 31, 2026	SOMN	M	2,755	—	—	20,137 Direct	+15.85%	Acquired	(price as of 2026-08-21)
Jan. 31, 2026	SOMN	M	2,571	—	—	2,571 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Jan. 31, 2026	SOMN	F	1,291	$89.31	$115,299	18,846 Direct	-6.41%	Disposed	-45.2% (price as of 2026-08-21)
Oct. 1, 2025	FLO	A	7,900	—	—	7,900 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 1, 2025	FLO	A	7,900	—	—	7,900 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 11, 2025	SOMN	S	2,380	$95.02	$226,148	17,382 Direct	-12.04%	Disposed	-48.5% (price as of 2026-08-21)
May 7, 2025	GTN	A	43,011	—	—	76,699 Direct	+127.67%	Acquired	(price as of 2026-08-21)
April 30, 2025	GTN	F	10,039	$3.35	$33,631	33,688 Direct	-22.96%	Disposed	47.9% (price as of 2026-08-21)
Feb. 13, 2025	SOMN	M	662	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 13, 2025	SOMN	F	332	$86.78	$28,811	19,762 Direct	-1.65%	Disposed	-43.6% (price as of 2026-08-21)
Feb. 13, 2025	SOMN	M	742	—	—	20,094 Direct	+3.83%	Acquired	(price as of 2026-08-21)
Feb. 5, 2025	SOMN	M	2,572	—	—	5,142 Direct	-33.34%	Disposed	(price as of 2026-08-21)
Feb. 5, 2025	SOMN	F	4,015	$83.87	$336,738	19,352 Direct	-17.18%	Disposed	-41.7% (price as of 2026-08-21)
Feb. 5, 2025	SOMN	A	8,991	—	—	23,367 Direct	+62.54%	Acquired	(price as of 2026-08-21)
Feb. 5, 2025	SOMN	F	1,191	$83.87	$99,889	14,376 Direct	-7.65%	Disposed	-41.7% (price as of 2026-08-21)
Feb. 5, 2025	SOMN	M	2,666	—	—	15,567 Direct	+20.67%	Acquired	(price as of 2026-08-21)
Feb. 1, 2025	SOMN	M	2,124	—	—	2,124 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Feb. 1, 2025	SOMN	F	1,099	$83.95	$92,261	12,901 Direct	-7.85%	Disposed	-41.7% (price as of 2026-08-21)
Feb. 1, 2025	SOMN	M	2,293	—	—	14,000 Direct	+19.59%	Acquired	(price as of 2026-08-21)
Nov. 4, 2024	SOMN	S	793	$88.54	$70,212	11,707 Direct	-6.34%	Disposed	-44.7% (price as of 2026-08-21)
Aug. 5, 2024	SOMN	S	2,380	$88.99	$211,796	12,500 Direct	-15.99%	Disposed	-45.0% (price as of 2026-08-21)
May 8, 2024	GTN	A	23,739	—	—	43,727 Direct	+118.77%	Acquired	(price as of 2026-08-21)
April 30, 2024	GTN	F	9,306	$5.75	$53,510	19,988 Direct	-31.77%	Disposed	-13.8% (price as of 2026-08-21)
Feb. 13, 2024	SOMN	M	662	—	—	662 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Feb. 13, 2024	SOMN	F	324	$67.51	$21,873	14,880 Direct	-2.13%	Disposed	-27.5% (price as of 2026-08-21)
Feb. 13, 2024	SOMN	M	716	—	—	15,204 Direct	+4.94%	Acquired	(price as of 2026-08-21)
Feb. 7, 2024	SOMN	M	2,124	—	—	4,248 Direct	-33.33%	Disposed	(price as of 2026-08-21)
Feb. 7, 2024	SOMN	F	1,058	$66.95	$70,833	14,488 Direct	-6.81%	Disposed	-26.9% (price as of 2026-08-21)
Feb. 7, 2024	SOMN	M	2,212	—	—	15,546 Direct	+16.59%	Acquired	(price as of 2026-08-21)
Feb. 7, 2024	SOMN	F	3,287	$66.95	$220,065	13,334 Direct	-19.78%	Disposed	-26.9% (price as of 2026-08-21)
Feb. 7, 2024	SOMN	A	7,286	—	—	16,621 Direct	+78.05%	Acquired	(price as of 2026-08-21)
Feb. 3, 2024	SOMN	M	490	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 3, 2024	SOMN	F	279	$68.65	$19,153	9,335 Direct	-2.90%	Disposed	-28.7% (price as of 2026-08-21)
Feb. 3, 2024	SOMN	M	552	—	—	9,614 Direct	+6.09%	Acquired	(price as of 2026-08-21)
May 4, 2023	GTN	A	21,642	—	—	29,294 Direct	+282.83%	Acquired	(price as of 2026-08-21)
April 30, 2023	GTN	F	3,227	$7.71	$24,880	7,652 Direct	-29.66%	Disposed	-35.7% (price as of 2026-08-21)
May 5, 2022	GTN	A	7,505	—	—	10,879 Direct	+222.44%	Acquired	(price as of 2026-08-21)
May 2, 2022	GTN	F	2,546	$18.52	$47,152	3,374 Direct	-43.01%	Disposed	-73.2% (price as of 2026-08-21)
May 5, 2021	GTN	A	5,920	—	—	5,920 Direct	—	Acquired	(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
May 29, 2026	FLO	Deferred Stock [F4]	Common Stock (22,260)	—	—	22,260	Acquired
May 29, 2026	FLO	Deferred Stock [F1]	Common Stock (7,900)	—	—	7,900	Disposed
Feb. 11, 2026	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (2,443)	$0.00	—	2,443	Disposed
Feb. 1, 2026	SOMN	Performance Restricted Stock Units Holding	Southern Company Common Stock (2,124)	$0.00	—	2,124	Disposed
Jan. 31, 2026	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (2,571)	$0.00	—	2,571	Disposed
Oct. 1, 2025	FLO	Deferred Stock [F1]	Common Stock (7,900)	—	—	7,900	Acquired
Oct. 1, 2025	FLO	Deferred Stock [F1]	Common Stock (7,900)	—	—	7,900	Acquired
Feb. 13, 2025	SOMN	Southern Co Restricted Stock Units	Southern Company Common Stock	$0.00	—	662	Disposed
Feb. 5, 2025	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (2,572)	$0.00	—	2,572	Disposed
Feb. 1, 2025	SOMN	Performance Restricted Stock Units Holding	Southern Company Common Stock (2,124)	$0.00	—	2,124	Disposed
Feb. 13, 2024	SOMN	Southern Co Restricted Stock Units	Southern Company Common Stock (662)	$0.00	—	662	Disposed
Feb. 7, 2024	SOMN	Performance Restricted Stock Units	Southern Company Common Stock (2,124)	$0.00	—	2,124	Disposed
Feb. 3, 2024	SOMN	Southern Co Restricted Stock Units	Southern Company Common Stock (490)	$0.00	—	490	Disposed

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

Initial ownership (Form 3) 5 holdings

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

Date	Ticker	Security	Shares	Ownership
April 3, 2023	SOMN	Southern Company Common Stock	4,772	Indirect
April 3, 2023	SOMN	Southern Company Common Stock	9,062	Direct
April 3, 2023	SOMN	Phantom Stock Units [F1]→ Southern Company Common Stock (1,237)	1,237	Direct
April 3, 2023	SOMN	Southern Co Restricted Stock Units [F2]→ Southern Company Common Stock (1,324)	1,324	Direct
April 3, 2023	SOMN	Southern Co Restricted Stock Units [F3]→ Southern Company Common Stock (490)	490	Direct