Marianne Catherine Brown

Insider

First SEC filing: Dec. 19, 2023 · Latest: Jan. 4, 2024

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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) 0 sells (S) Net: $0 + 41 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

41 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 1, 2026	SCHW	A	418	—	—	8,269 Direct	+5.32%	Acquired	(price as of 2026-08-21)
June 30, 2026	IBM	A	325	$281.21	$91,393	4,016 Direct	+8.81%	Acquired	-16.9% (price as of 2026-08-21)
June 30, 2026	NOC	A	91	$509.31	$46,347	11,558 Direct	+0.79%	Acquired	9.8% (price as of 2026-08-21)
May 14, 2025	AKAM	A	3,934	—	—	3,934 Direct	—	Acquired	(price as of 2026-08-21)
May 10, 2024	AKAM	A	3,344	—	—	3,344 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 2, 2024	SCHW	A	543	—	—	3,408 Direct	+18.95%	Acquired	(price as of 2026-08-21)
Oct. 2, 2023	SCHW	A	561	—	—	2,852 Direct	+24.49%	Acquired	(price as of 2026-08-21)
July 3, 2023	SCHW	A	520	—	—	2,281 Direct	+29.53%	Acquired	(price as of 2026-08-21)
June 14, 2023	AKAM	A	3,549	—	—	3,549 Direct	—	Acquired	(price as of 2026-08-21)
May 22, 2023	SCHW	A	5,464	—	—	5,464 Direct	—	Acquired	(price as of 2026-08-21)
May 22, 2023	SCHW	A	2,496	—	—	12,480 Direct	+25.00%	Acquired	(price as of 2026-08-21)
May 20, 2023	AKAM	M	1,326	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 20, 2023	AKAM	M	1,326	—	—	6,240 Direct	+26.98%	Acquired	(price as of 2026-08-21)
April 3, 2023	SCHW	A	582	—	—	1,753 Direct	+49.70%	Acquired	(price as of 2026-08-21)
March 28, 2023	SCHW	P	5,000	$53.47	$267,350	9,984 Direct	+100.32%	Acquired	108.0% (price as of 2026-08-21)
Jan. 3, 2023	SCHW	A	367	—	—	1,167 Direct	+45.88%	Acquired	(price as of 2026-08-21)
Oct. 3, 2022	SCHW	A	205	—	—	798 Direct	+34.57%	Acquired	(price as of 2026-08-21)
July 1, 2022	SCHW	A	235	—	—	591 Direct	+66.01%	Acquired	(price as of 2026-08-21)
May 20, 2022	AKAM	M	1,325	—	—	1,326 Direct	-49.98%	Disposed	(price as of 2026-08-21)
May 20, 2022	AKAM	M	1,325	—	—	4,914 Direct	+36.92%	Acquired	(price as of 2026-08-21)
May 19, 2022	SCHW	A	2,054	—	—	4,984 Direct	+70.10%	Acquired	(price as of 2026-08-21)
May 19, 2022	SCHW	A	4,703	—	—	4,703 Direct	—	Acquired	(price as of 2026-08-21)
May 12, 2022	AKAM	A	3,131	—	—	3,131 Direct	—	Acquired	(price as of 2026-08-21)
April 1, 2022	SCHW	A	180	—	—	355 Direct	+102.86%	Acquired	(price as of 2026-08-21)
Jan. 3, 2022	SCHW	A	175	—	—	175 Direct	—	Acquired	(price as of 2026-08-21)
June 3, 2021	AKAM	A	1,964	—	—	1,964 Direct	—	Acquired	(price as of 2026-08-21)
May 20, 2021	AKAM	M	2,237	—	—	3,589 Direct	-38.40%	Disposed	(price as of 2026-08-21)
May 20, 2021	AKAM	M	1,325	—	—	2,651 Direct	-33.32%	Disposed	(price as of 2026-08-21)
May 20, 2021	AKAM	M	1,325	—	—	3,589 Direct	+58.52%	Acquired	(price as of 2026-08-21)
May 20, 2021	AKAM	M	2,237	—	—	2,264 Direct	+8285.19%	Acquired	(price as of 2026-08-21)
May 17, 2021	SCHW	A	1,529	—	—	2,930 Direct	+109.14%	Acquired	(price as of 2026-08-21)
May 17, 2021	SCHW	A	4,390	—	—	4,390 Direct	—	Acquired	(price as of 2026-08-21)
March 31, 2021	NOC	A	108	$323.64	$34,953	6,551 Direct	+1.68%	Acquired	72.8% (price as of 2026-08-21)
Dec. 31, 2020	NOC	A	115	$304.72	$35,043	6,411 Direct	+1.83%	Acquired	83.6% (price as of 2026-08-21)
Oct. 22, 2020	SCHW	A	1,172	—	—	1,401 Direct	+511.79%	Acquired	(price as of 2026-08-21)
Oct. 22, 2020	SCHW	A	3,106	—	—	3,106 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 30, 2020	NOC	A	111	$315.49	$35,019	6,266 Direct	+1.80%	Acquired	77.3% (price as of 2026-08-21)
June 30, 2020	NOC	A	109	$307.44	$33,511	6,129 Direct	+1.81%	Acquired	82.0% (price as of 2026-08-21)
May 20, 2020	NOC	A	499	$320.40	$159,880	5,993 Direct	+9.08%	Acquired	74.6% (price as of 2026-08-21)
May 20, 2020	AKAM	A	3,976	—	—	3,976 Direct	—	Acquired	(price as of 2026-08-21)
May 20, 2020	AKAM	A	2,237	—	—	2,237 Direct	—	Acquired	(price as of 2026-08-21)
March 31, 2020	NOC	A	107	$302.55	$32,373	5,494 Direct	+1.99%	Acquired	84.9% (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
July 1, 2026	SCHW	Restricted Stock Units	Common Stock (418)	—	—	418	Acquired
June 30, 2026	IBM	Promised Fee Share	Common Stock (325)	—	—	325	Acquired
May 14, 2025	AKAM	Deferred Stock Units	Common Stock (3,934)	—	—	3,934	Acquired
May 10, 2024	AKAM	Deferred Stock Units [F1]	Common Stock (3,344)	$0.00	—	3,344	Acquired
Jan. 2, 2024	SCHW	Restricted Stock Units	Common Stock (543)	—	—	543	Acquired
Oct. 2, 2023	SCHW	Restricted Stock Units	Common Stock (561)	—	—	561	Acquired
July 3, 2023	SCHW	Restricted Stock Units	Common Stock (520)	—	—	520	Acquired
June 14, 2023	AKAM	Deferred Stock Units [F1]	Common Stock (3,549)	$0.00	—	3,549	Acquired
May 22, 2023	SCHW	Nonqualified Stock Option (right to buy)	Common Stock (5,464)	$51.97	May 22, 2033	5,464	Acquired
May 20, 2023	AKAM	Restricted Stock Units [F1]	Common Stock (1,326)	$0.00	May 22, 2023	1,326	Disposed
April 3, 2023	SCHW	Restricted Stock Units	Common Stock (582)	—	—	582	Acquired
Jan. 3, 2023	SCHW	Restricted Stock Units	Common Stock (367)	—	—	367	Acquired
Oct. 3, 2022	SCHW	Restricted Stock Units	Common Stock (205)	—	—	205	Acquired
July 1, 2022	SCHW	Restricted Stock Units	Common Stock (235)	—	—	235	Acquired
May 20, 2022	AKAM	Restricted Stock Units [F1]	Common Stock (1,325)	$0.00	May 22, 2023	1,325	Disposed
May 19, 2022	SCHW	Nonqualified Stock Option (right to buy)	Common Stock (4,703)	$62.66	May 19, 2032	4,703	Acquired
May 12, 2022	AKAM	Deferred Stock Units [F1]	Common Stock (3,131)	$0.00	May 13, 2023	3,131	Acquired
April 1, 2022	SCHW	Restricted Stock Units	Common Stock (180)	—	—	180	Acquired
Jan. 3, 2022	SCHW	Restricted Stock Units	Common Stock (175)	—	—	175	Acquired
June 3, 2021	AKAM	Deferred Stock Units [F1]	Common Stock (1,964)	$0.00	June 4, 2022	1,964	Acquired
May 20, 2021	AKAM	Deferred Stock Units [F2]	Common Stock (2,237)	$0.00	May 22, 2021	2,237	Disposed
May 20, 2021	AKAM	Restricted Stock Units [F1]	Common Stock (1,325)	$0.00	May 22, 2023	1,325	Disposed
May 17, 2021	SCHW	Nonqualified Stock Option (right to buy)	Common Stock (4,390)	$73.00	May 17, 2031	4,390	Acquired
Oct. 22, 2020	SCHW	Nonqualified Stock Option (right to buy)	Common Stock (3,106)	$40.13	Oct. 22, 2030	3,106	Acquired
May 20, 2020	AKAM	Restricted Stock Units [F2]	Common Stock (3,976)	$0.00	May 22, 2023	3,976	Acquired
May 20, 2020	AKAM	Deferred Stock Units [F1]	Common Stock (2,237)	$0.00	May 22, 2021	2,237	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
Dec. 19, 2023	IBM	Common Stock	440	Direct
Aug. 3, 2020	SCHW	Common Stock	229	Direct
March 20, 2020	AKAM	Common Stock, par value $.01 per share	27	Direct