William Davisson

Insider

First SEC filing: Aug. 22, 2005 · Latest: Aug. 22, 2005

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

CF selling March 8, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 19 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

19 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 8, 2021	CF	S	10,000	$50.00	$500,000	36,191 Direct	-21.65%	Disposed	139.8% (price as of 2026-08-18)
May 20, 2020	CF	A	4,726	—	—	46,191 Direct	+11.40%	Acquired	(price as of 2026-08-18)
May 8, 2019	CF	A	3,107	—	—	41,465 Direct	+8.10%	Acquired	(price as of 2026-08-18)
May 10, 2018	CF	A	3,299	—	—	38,358 Direct	+9.41%	Acquired	(price as of 2026-08-18)
May 12, 2017	CF	A	4,481	—	—	35,059 Direct	+14.65%	Acquired	(price as of 2026-08-18)
May 12, 2016	CF	A	4,308	—	—	30,578 Direct	+16.40%	Acquired	(price as of 2026-08-18)
May 15, 2015	CF	A	391	—	—	5,254 Direct	+8.04%	Acquired	(price as of 2026-08-18)
Dec. 4, 2014	CF	G	200	—	—	4,863 Direct	-3.95%	Disposed	(price as of 2026-08-18)
May 14, 2014	CF	A	483	—	—	5,063 Direct	+10.55%	Acquired	(price as of 2026-08-18)
Nov. 22, 2013	CF	G	200	—	—	4,580 Direct	-4.18%	Disposed	(price as of 2026-08-18)
May 14, 2013	CF	A	622	—	—	4,780 Direct	+14.96%	Acquired	(price as of 2026-08-18)
Dec. 6, 2012	CF	G	200	—	—	4,158 Direct	-4.59%	Disposed	(price as of 2026-08-18)
May 10, 2012	CF	A	581	—	—	4,358 Direct	+15.38%	Acquired	(price as of 2026-08-18)
May 24, 2011	CF	S	8,218	$147.51	$1,212,237	3,777 Direct	-68.51%	Disposed	306.4% (price as of 2026-08-18)
May 11, 2011	CF	A	729	—	—	11,995 Direct	+6.47%	Acquired	(price as of 2026-08-18)
May 12, 2010	CF	A	1,344	—	—	11,266 Direct	+13.55%	Acquired	(price as of 2026-08-18)
April 21, 2009	CF	A	968	—	—	9,922 Direct	+10.81%	Acquired	(price as of 2026-08-18)
Aug. 26, 2008	CF	S	1,500	$147.50	$221,250	8,954 Direct	-14.35%	Disposed	306.4% (price as of 2026-08-18)
May 13, 2008	CF	A	474	—	—	10,454 Direct	+4.75%	Acquired	(price as of 2026-08-18)
Nov. 26, 2007	CF	S	1,772	$85.00	$150,620	9,980 Direct	-15.08%	Disposed	605.3% (price as of 2026-08-18)
May 9, 2007	CF	A	1,615	—	—	11,752 Direct	+15.93%	Acquired	(price as of 2026-08-18)
May 10, 2006	CF	A	3,713	—	—	10,137 Direct	+57.80%	Acquired	(price as of 2026-08-18)
Aug. 18, 2005	CF	A	3,824	—	—	6,424 Direct	+147.08%	Acquired	(price as of 2026-08-18)

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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Aug. 22, 2005	CF	Common Stock, par value $0.01 per share	2,600	Direct