David B Stafford

Insider

First SEC filing: July 23, 2025 · Latest: July 23, 2025

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 26 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

26 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 1, 2026	MH	A	36,842	—	—	100,774 Direct	+57.63%	Acquired	(price as of 2026-08-20)
April 1, 2008	SPGI	A	3,129	$38.67	$120,998	19,221 Direct	+19.44%	Acquired	1074.3% (price as of 2026-08-20)
April 1, 2008	SPGI	A	12,410	—	—	12,410 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2008	SPGI	F	942	—	—	16,092 Direct	-5.53%	Disposed	(price as of 2026-08-20)
March 6, 2008	SPGI	A	1,298	—	—	17,034 Direct	+8.25%	Acquired	(price as of 2026-08-20)
April 2, 2007	SPGI	A	7,372	—	—	7,372 Direct	—	Acquired	(price as of 2026-08-20)
April 2, 2007	SPGI	A	1,877	$62.34	$117,012	15,736 Direct	+13.54%	Acquired	628.4% (price as of 2026-08-20)
March 6, 2007	SPGI	F	1,032	—	—	13,859 Direct	-6.93%	Disposed	(price as of 2026-08-20)
March 6, 2007	SPGI	A	1,470	—	—	14,891 Direct	+10.95%	Acquired	(price as of 2026-08-20)
Oct. 25, 2006	SPGI	S	2,000	$63.29	$126,580	13,421 Direct	-12.97%	Disposed	617.5% (price as of 2026-08-20)
Oct. 23, 2006	SPGI	S	349	$64.03	$22,346	15,421 Direct	-2.21%	Disposed	609.2% (price as of 2026-08-20)
Oct. 20, 2006	SPGI	M	1,802	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 20, 2006	SPGI	M	4,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 20, 2006	SPGI	F	1,064	$62.71	$66,723	15,770 Direct	-6.32%	Disposed	624.1% (price as of 2026-08-20)
Oct. 20, 2006	SPGI	F	1,355	$62.71	$84,972	16,834 Direct	-7.45%	Disposed	624.1% (price as of 2026-08-20)
Oct. 20, 2006	SPGI	F	138	$62.71	$8,654	18,189 Direct	-0.75%	Disposed	624.1% (price as of 2026-08-20)
Oct. 20, 2006	SPGI	F	1,396	$62.71	$87,543	18,327 Direct	-7.08%	Disposed	624.1% (price as of 2026-08-20)
Oct. 20, 2006	SPGI	M	4,500	$18.88	$84,960	19,723 Direct	+29.56%	Acquired	2305.2% (price as of 2026-08-20)
Oct. 20, 2006	SPGI	M	1,802	$48.58	$87,541	15,223 Direct	+13.43%	Acquired	834.7% (price as of 2026-08-20)
April 3, 2006	SPGI	A	7,475	—	—	7,475 Direct	—	Acquired	(price as of 2026-08-20)
April 3, 2006	SPGI	A	1,946	$57.81	$112,498	13,421 Direct	+16.96%	Acquired	685.5% (price as of 2026-08-20)
March 14, 2006	SPGI	A	5,144	—	—	5,144 Direct	—	Acquired	(price as of 2026-08-20)
March 14, 2006	SPGI	M	7,661	—	—	3,889 Direct	-66.33%	Disposed	(price as of 2026-08-20)
March 14, 2006	SPGI	F	1,286	$55.84	$71,810	11,475 Direct	-10.08%	Disposed	713.2% (price as of 2026-08-20)
March 14, 2006	SPGI	F	3,858	$55.84	$215,431	12,761 Direct	-23.21%	Disposed	713.2% (price as of 2026-08-20)
March 14, 2006	SPGI	M	7,661	$28.12	$215,427	16,619 Direct	+85.52%	Acquired	1514.9% (price as of 2026-08-20)
March 8, 2006	SPGI	F	1,282	—	—	8,958 Direct	-12.52%	Disposed	(price as of 2026-08-20)
March 8, 2006	SPGI	A	1,715	—	—	10,240 Direct	+20.12%	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
April 1, 2008	SPGI	Options (Right to Buy)	Common Stock (12,410)	$38.67	March 31, 2018	12,410	Acquired
April 2, 2007	SPGI	Options (Right to Buy)	Common Stock (7,372)	$62.34	April 1, 2017	7,372	Acquired
Oct. 20, 2006	SPGI	Options (Right to Buy)	Common Stock (1,802)	$48.58	March 31, 2008	1,802	Disposed
Oct. 20, 2006	SPGI	Options (Right to Buy)	Common Stock (4,500)	$18.88	March 31, 2008	4,500	Disposed
April 3, 2006	SPGI	Options (Right to Buy)	Common Stock (7,475)	$57.81	April 2, 2016	7,475	Acquired
March 14, 2006	SPGI	Options (Right to Buy)	Common Stock (5,144)	$55.84	March 31, 2013	5,144	Acquired
March 14, 2006	SPGI	Options (Right to Buy)	Common Stock (7,661)	$28.12	March 31, 2013	7,661	Disposed

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

Initial ownership (Form 3) 14 holdings

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

Date	Ticker	Security	Shares	Ownership
July 23, 2025	MH	Common Stock	63,932	Direct
July 23, 2025	MH	Options to purchase Common Stock→ Common Stock	—	Direct
Feb. 7, 2006	SPGI	Common Stock	2	Indirect
Feb. 7, 2006	SPGI	Common Stock	2	Indirect
Feb. 7, 2006	SPGI	Common Stock	8,525	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (1,802)	1,802	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (4,500)	4,500	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (10,000)	10,000	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (10,000)	10,000	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (10,000)	10,000	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (11,000)	11,000	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (11,550)	11,550	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (12,130)	12,130	Direct
Feb. 7, 2006	SPGI	Options (Right to Buy)→ Common Stock (9,946)	9,946	Direct