Frances D. O'Brien

CIK 1977408 · View on SEC EDGAR ↗

Insider

First SEC filing: May 17, 2023 · Latest: May 17, 2023

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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 + 33 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 21, 2026	CB	F	1,106	$330.26	$365,268	40,861 Direct	-2.64%	Disposed	3.6% (price as of 2026-08-20)
May 21, 2026	CB	D	216	—	—	41,967 Direct	-0.51%	Disposed	(price as of 2026-08-20)
March 3, 2026	CB	F	48	$338.30	$16,238	42,183 Direct	-0.11%	Disposed	1.1% (price as of 2026-08-20)
March 2, 2026	CB	A	876	—	—	2,223 Direct	+65.03%	Acquired	(price as of 2026-08-20)
March 2, 2026	CB	A	1,347	—	—	1,347 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2026	CB	A	2,991	—	—	2,991 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2026	CB	A	218	—	—	42,231 Direct	+0.52%	Acquired	(price as of 2026-08-20)
March 2, 2026	CB	A	336	—	—	42,013 Direct	+0.81%	Acquired	(price as of 2026-08-20)
March 2, 2026	CB	A	561	—	—	41,677 Direct	+1.36%	Acquired	(price as of 2026-08-20)
Feb. 26, 2026	CB	F	52	$337.92	$17,572	41,116 Direct	-0.13%	Disposed	1.2% (price as of 2026-08-20)
Feb. 24, 2026	CB	F	119	$336.85	$40,085	41,168 Direct	-0.29%	Disposed	1.5% (price as of 2026-08-20)
Feb. 23, 2026	CB	F	130	$333.39	$43,341	41,287 Direct	-0.31%	Disposed	2.6% (price as of 2026-08-20)
May 15, 2025	CB	F	1,158	$292.05	$338,194	41,331 Direct	-2.73%	Disposed	17.1% (price as of 2026-08-20)
May 15, 2025	CB	D	227	—	—	42,489 Direct	-0.53%	Disposed	(price as of 2026-08-20)
March 3, 2025	CB	A	934	—	—	2,371 Direct	+65.00%	Acquired	(price as of 2026-08-20)
March 3, 2025	CB	A	1,437	—	—	1,437 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2025	CB	A	3,194	—	—	3,194 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2025	CB	A	234	—	—	42,716 Direct	+0.55%	Acquired	(price as of 2026-08-20)
March 3, 2025	CB	A	360	—	—	42,482 Direct	+0.85%	Acquired	(price as of 2026-08-20)
March 3, 2025	CB	A	599	—	—	42,122 Direct	+1.44%	Acquired	(price as of 2026-08-20)
Feb. 26, 2025	CB	F	52	$273.66	$14,230	41,523 Direct	-0.13%	Disposed	25.0% (price as of 2026-08-20)
Feb. 25, 2025	CB	F	121	$277.45	$33,571	41,575 Direct	-0.29%	Disposed	23.3% (price as of 2026-08-20)
Feb. 24, 2025	CB	F	120	$273.44	$32,813	41,696 Direct	-0.29%	Disposed	25.1% (price as of 2026-08-20)
Feb. 23, 2025	CB	F	133	$267.25	$35,544	41,816 Direct	-0.32%	Disposed	28.0% (price as of 2026-08-20)
May 16, 2024	CB	F	1,297	$264.88	$343,549	41,851 Direct	-3.01%	Disposed	29.1% (price as of 2026-08-20)
Feb. 27, 2024	CB	F	274	$254.87	$69,834	43,148 Direct	-0.63%	Disposed	34.2% (price as of 2026-08-20)
Feb. 26, 2024	CB	A	1,273	—	—	3,231 Direct	+65.02%	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	CB	A	1,958	—	—	1,958 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	CB	A	3,481	—	—	33,387 Direct	+11.64%	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	CB	A	653	—	—	43,422 Direct	+1.53%	Acquired	(price as of 2026-08-20)
Feb. 25, 2024	CB	F	121	$256.01	$30,977	42,769 Direct	-0.28%	Disposed	33.6% (price as of 2026-08-20)
Feb. 24, 2024	CB	F	118	$256.01	$30,209	42,890 Direct	-0.27%	Disposed	33.6% (price as of 2026-08-20)
Feb. 23, 2024	CB	F	131	$256.01	$33,537	43,008 Direct	-0.30%	Disposed	33.6% (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
March 2, 2026	CB	Performance Stock Units	Common Shares (876)	$0.00	—	876	Acquired
March 2, 2026	CB	Performance Stock Units	Common Shares (1,347)	$0.00	—	1,347	Acquired
March 2, 2026	CB	Options to Acquire Common Shares	Common Shares (2,991)	$342.76	March 2, 2036	2,991	Acquired
March 3, 2025	CB	Performance Stock Units	Common Shares (934)	$0.00	—	934	Acquired
March 3, 2025	CB	Performance Stock Units	Common Shares (1,437)	$0.00	—	1,437	Acquired
March 3, 2025	CB	Options to Acquire Common Shares	Common Shares (3,194)	$289.69	March 3, 2035	3,194	Acquired
Feb. 26, 2024	CB	Performance Stock Units	Common Shares (1,273)	$0.00	—	1,273	Acquired
Feb. 26, 2024	CB	Performance Stock Units	Common Shares (1,958)	$0.00	—	1,958	Acquired
Feb. 26, 2024	CB	Options to Acquire Common Shares	Common Shares (3,481)	$254.84	Feb. 26, 2034	3,481	Acquired

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

Initial ownership (Form 3) 8 holdings

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

Date	Ticker	Security	Shares	Ownership
May 17, 2023	CB	Common Shares	—	Direct
May 17, 2023	CB	Options to Acquire→ Common Shares (4,425)	4,425	Direct
May 17, 2023	CB	Options to Acquire→ Common Shares (4,369)	4,369	Direct
May 17, 2023	CB	Options to Acquire→ Common Shares (4,667)	4,667	Direct
May 17, 2023	CB	Options to Acquire→ Common Shares (4,497)	4,497	Direct
May 17, 2023	CB	Options to Acquire→ Common Shares (4,092)	4,092	Direct
May 17, 2023	CB	Options to Acquire→ Common Shares (4,020)	4,020	Direct
May 17, 2023	CB	Options to Acquire→ Common Shares (3,836)	3,836	Direct