Rosemary L O'Brien

Insider

First SEC filing: Feb. 13, 2018 · Latest: Feb. 13, 2018

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

CF selling Aug. 5, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 15 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

15 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 3, 2020	CF	F	1,097	$38.14	$41,840	36,015 Direct	-2.96%	Disposed	234.8% (price as of 2026-08-21)
March 3, 2020	CF	F	1,681	$38.14	$64,113	37,112 Direct	-4.33%	Disposed	234.8% (price as of 2026-08-21)
Jan. 30, 2020	CF	A	3,630	—	—	38,793 Direct	+10.32%	Acquired	(price as of 2026-08-21)
Jan. 2, 2020	CF	F	1,229	$46.40	$57,026	35,163 Direct	-3.38%	Disposed	175.2% (price as of 2026-08-21)
Jan. 2, 2020	CF	A	3,456	—	—	36,392 Direct	+10.49%	Acquired	(price as of 2026-08-21)
Aug. 5, 2019	CF	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 5, 2019	CF	S	5,000	$50.47	$252,350	32,936 Direct	-13.18%	Disposed	153.0% (price as of 2026-08-21)
Aug. 5, 2019	CF	M	5,000	$16.41	$82,050	37,936 Direct	+15.18%	Acquired	678.0% (price as of 2026-08-21)
March 4, 2019	CF	F	410	$42.08	$17,253	33,804 Direct	-1.20%	Disposed	203.4% (price as of 2026-08-21)
March 4, 2019	CF	F	868	$42.08	$36,525	32,936 Direct	-2.57%	Disposed	203.4% (price as of 2026-08-21)
Feb. 4, 2019	CF	A	982	—	—	34,214 Direct	+2.95%	Acquired	(price as of 2026-08-21)
Jan. 2, 2019	CF	F	600	$42.03	$25,218	33,232 Direct	-1.77%	Disposed	203.8% (price as of 2026-08-21)
Jan. 2, 2019	CF	A	3,817	—	—	33,832 Direct	+12.72%	Acquired	(price as of 2026-08-21)
Aug. 6, 2018	CF	M	6,200	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 6, 2018	CF	S	6,200	$49.16	$304,792	30,015 Direct	-17.12%	Disposed	159.7% (price as of 2026-08-21)
Aug. 6, 2018	CF	M	6,200	$25.07	$155,434	36,215 Direct	+20.66%	Acquired	409.3% (price as of 2026-08-21)
March 5, 2018	CF	F	458	$44.56	$20,408	30,015 Direct	-1.50%	Disposed	186.5% (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
Aug. 5, 2019	CF	Employee Stock Option (right to buy)	Common Stock, par value $0.01 per share (5,000)	$16.41	Aug. 10, 2019	5,000	Disposed
Aug. 6, 2018	CF	Employee Stock Option (right to buy)	Common stock, par value $0.01 per share (6,200)	$25.07	Aug. 11, 2018	6,200	Disposed

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

Initial ownership (Form 3) 11 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 13, 2018	CF	Common stock, par value $0.01 per share	30,473	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (6,200)	6,200	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (5,000)	5,000	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (8,500)	8,500	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (5,700)	5,700	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (6,100)	6,100	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (11,100)	11,100	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (16,450)	16,450	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (12,865)	12,865	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (23,410)	23,410	Direct
Feb. 13, 2018	CF	Employee Stock Option (right to buy)→ Common stock, par value $0.01 per share (29,370)	29,370	Direct