David R Calahan

Insider

First SEC filing: Jan. 4, 2006 · Latest: Jan. 4, 2006

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.

Insider at

FIBK selling Jan. 4, 2006

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 23 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

23 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 2, 2007	FIBK	F	350	$89.00	$31,150	16,329 Direct	-2.10%	Disposed	-57.6% (price as of 2026-08-20)
Dec. 13, 2006	FIBK	G	144	—	—	16,679 Direct	-0.86%	Disposed	(price as of 2026-08-20)
Jan. 4, 2006	FIBK	S	900	$68.00	$61,200	5,000 Indirect	-15.25%	Disposed	-44.4% (price as of 2026-08-20)
Oct. 6, 2005	FIBK	X	10,010	$42.00	$420,420	16,726 Direct	+149.05%	Acquired	-10.0% (price as of 2026-08-20)
Oct. 6, 2005	FIBK	X	1,760	$42.00	$73,920	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Oct. 6, 2005	FIBK	X	1,760	$42.00	$73,920	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Oct. 6, 2005	FIBK	X	1,760	$42.00	$73,920	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Oct. 6, 2005	FIBK	X	1,210	$42.00	$50,820	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Oct. 6, 2005	FIBK	X	1,760	$42.00	$73,920	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Oct. 6, 2005	FIBK	X	1,760	$42.00	$73,920	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Oct. 1, 2005	FIBK	S	800	$65.50	$52,400	5,900 Indirect	-11.94%	Disposed	-42.3% (price as of 2026-08-20)
July 1, 2005	FIBK	S	800	$63.50	$50,800	6,700 Indirect	-10.67%	Disposed	-40.5% (price as of 2026-08-20)
Feb. 18, 2005	FIBK	X	1,760	$42.00	$73,920	8,087 Direct	+27.82%	Acquired	-10.0% (price as of 2026-08-20)
Feb. 18, 2005	FIBK	D	1,371	$63.00	$86,373	6,716 Direct	-16.95%	Disposed	-40.0% (price as of 2026-08-20)
Feb. 18, 2005	FIBK	X	1,760	$42.00	$73,920	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Feb. 3, 2005	FIBK	A	3,000	$55.50	$166,500	3,000 Direct	—	Acquired	-31.9% (price as of 2026-08-20)
Feb. 3, 2005	FIBK	A	109	$55.50	$6,050	6,327 Direct	+1.75%	Acquired	-31.9% (price as of 2026-08-20)
May 20, 2004	FIBK	M	1,540	$42.00	$64,680	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
May 20, 2004	FIBK	F	1,356	$51.00	$69,156	6,218 Direct	-17.90%	Disposed	-25.9% (price as of 2026-08-20)
May 20, 2004	FIBK	M	1,540	$42.00	$64,680	7,574 Direct	+25.52%	Acquired	-10.0% (price as of 2026-08-20)
April 1, 2004	FIBK	A	1,000	—	—	6,034 Direct	+19.86%	Acquired	(price as of 2026-08-20)
Feb. 4, 2004	FIBK	A	2,000	$49.50	$99,000	2,000 Direct	—	Acquired	-23.7% (price as of 2026-08-20)
Feb. 4, 2004	FIBK	A	115	$49.50	$5,692	5,034 Direct	+2.34%	Acquired	-23.7% (price as of 2026-08-20)
Nov. 21, 2003	FIBK	X	1,320	$42.00	$55,440	6,103 Direct	+27.60%	Acquired	-10.0% (price as of 2026-08-20)
Nov. 21, 2003	FIBK	D	1,184	$49.50	$58,608	4,919 Direct	-19.40%	Disposed	-23.7% (price as of 2026-08-20)
Nov. 21, 2003	FIBK	X	1,320	$42.00	$55,440	— Direct	—	Disposed	-10.0% (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
Oct. 6, 2005	FIBK	Stock Options	Common Stock (1,760)	$42.00	March 15, 2006	1,760	Disposed
Oct. 6, 2005	FIBK	Stock Options	Common Stock (1,760)	$42.00	March 15, 2007	1,760	Disposed
Oct. 6, 2005	FIBK	Stock Options	Common Stock (1,760)	$42.00	March 15, 2008	1,760	Disposed
Oct. 6, 2005	FIBK	Stock Options	Common Stock (1,210)	$42.00	March 15, 2009	1,210	Disposed
Oct. 6, 2005	FIBK	Stock Options	Common Stock (1,760)	$42.00	March 15, 2010	1,760	Disposed
Oct. 6, 2005	FIBK	Stock Options	Common Stock (1,760)	$42.00	March 15, 2011	1,760	Disposed
Feb. 18, 2005	FIBK	Stock Options	Common Stock (1,760)	$42.00	March 15, 2005	1,760	Disposed
Feb. 3, 2005	FIBK	Stock Options [F1]	Common Stock (3,000)	$55.50	Feb. 3, 2015	3,000	Acquired
May 20, 2004	FIBK	Stock Options	Common Stock (1,540)	$42.00	May 31, 2004	1,540	Disposed
Feb. 4, 2004	FIBK	Stock Options	Common Stock (2,000)	$49.50	Feb. 4, 2014	2,000	Acquired
Nov. 21, 2003	FIBK	Stock Options	Common Stock (1,320)	$42.00	Nov. 30, 2003	1,320	Disposed

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