John M Heyneman JR

CIK 1198518 · View on SEC EDGAR ↗

Insider

First SEC filing: June 3, 2026 · Latest: June 3, 2026

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

FIBK selling Nov. 11, 2025

Insider transactions

0 buys (P) 2 sells (S) Net: $-1,123,300 + 48 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

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2026	FIBK	A	2,247	—	—	7,471 Direct	+43.01%	Acquired	(price as of 2026-08-20)
Nov. 11, 2025	FIBK	S	15,000	$32.14	$482,100	30,154 Indirect	-33.22%	Disposed	17.5% (price as of 2026-08-20)
Nov. 10, 2025	FIBK	S	20,000	$32.06	$641,200	47,482 Indirect	-29.64%	Disposed	17.8% (price as of 2026-08-20)
Sept. 17, 2025	FIBK	W	67,482	—	—	67,482 Indirect	—	Acquired	(price as of 2026-08-20)
Sept. 10, 2025	FIBK	W	45,154	—	—	45,154 Indirect	—	Acquired	(price as of 2026-08-20)
Sept. 9, 2025	FIBK	W	30,432	—	—	1,445,068 Indirect	+2.15%	Acquired	(price as of 2026-08-20)
Dec. 14, 2021	FIBK	G	650	—	—	650 Indirect	—	Acquired	(price as of 2026-08-20)
Dec. 14, 2021	FIBK	S	180	$40.96	$7,373	470 Indirect	-27.69%	Disposed	-7.8% (price as of 2026-08-20)
Dec. 14, 2021	FIBK	G	325	—	—	325 Indirect	—	Acquired	(price as of 2026-08-20)
Dec. 14, 2021	FIBK	G	650	—	—	650 Indirect	—	Acquired	(price as of 2026-08-20)
June 1, 2021	FIBK	A	1,168	$47.07	$54,978	6,814 Direct	+20.69%	Acquired	-19.7% (price as of 2026-08-20)
March 5, 2021	FIBK	G	1,625	—	—	5,646 Direct	-22.35%	Disposed	(price as of 2026-08-20)
June 1, 2020	FIBK	A	1,440	$31.25	$45,000	7,271 Direct	+24.70%	Acquired	20.9% (price as of 2026-08-20)
June 3, 2019	FIBK	A	1,219	$37.06	$45,176	5,831 Direct	+26.43%	Acquired	1.9% (price as of 2026-08-20)
June 1, 2018	FIBK	A	572	$43.65	$24,968	4,612 Direct	+14.16%	Acquired	-13.4% (price as of 2026-08-20)
May 30, 2018	FIBK	S	2,000	$43.98	$87,960	4,040 Direct	-33.11%	Disposed	-14.1% (price as of 2026-08-20)
Dec. 15, 2016	FIBK	G	16,737	—	—	139,921 Indirect	+13.59%	Acquired	(price as of 2026-08-20)
Dec. 12, 2016	FIBK	S	1,000	$41.87	$41,870	6,040 Direct	-14.20%	Disposed	-9.8% (price as of 2026-08-20)
Nov. 25, 2016	FIBK	S	2,000	$37.35	$74,700	7,040 Direct	-22.12%	Disposed	1.2% (price as of 2026-08-20)
Nov. 3, 2016	FIBK	M	4,428	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 3, 2016	FIBK	F	2,959	$31.15	$92,173	9,040 Direct	-24.66%	Disposed	21.3% (price as of 2026-08-20)
Nov. 3, 2016	FIBK	M	4,428	$20.82	$92,191	11,999 Direct	+58.49%	Acquired	81.5% (price as of 2026-08-20)
Sept. 8, 2016	FIBK	M	5,801	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 8, 2016	FIBK	F	2,540	$31.05	$78,867	7,571 Direct	-25.12%	Disposed	21.7% (price as of 2026-08-20)
Sept. 8, 2016	FIBK	M	5,801	$13.60	$78,894	10,111 Direct	+134.59%	Acquired	177.8% (price as of 2026-08-20)
Aug. 24, 2016	FIBK	M	3,094	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 24, 2016	FIBK	M	1,972	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 24, 2016	FIBK	F	2,405	$30.09	$72,366	4,310 Direct	-35.82%	Disposed	25.6% (price as of 2026-08-20)
Aug. 24, 2016	FIBK	M	3,094	$13.25	$40,996	6,715 Direct	+85.45%	Acquired	185.1% (price as of 2026-08-20)
Aug. 24, 2016	FIBK	M	1,972	$15.91	$31,375	3,621 Direct	+119.59%	Acquired	137.5% (price as of 2026-08-20)
May 21, 2014	FIBK	A	861	$25.24	$21,732	861 Direct	—	Acquired	49.7% (price as of 2026-08-20)
May 22, 2013	FIBK	A	4,428	$20.82	$92,191	4,428 Direct	—	Acquired	81.5% (price as of 2026-08-20)
Jan. 2, 2013	FIBK	S 10b5-1	14,803	$15.44	$228,558	0 Indirect	-100.00%	Disposed	144.7% (price as of 2026-08-20)
Nov. 9, 2012	FIBK	C	14,803	—	—	123,184 Indirect	-10.73%	Disposed	(price as of 2026-08-20)
Nov. 9, 2012	FIBK	C	14,803	—	—	14,803 Indirect	—	Acquired	(price as of 2026-08-20)
June 25, 2012	FIBK	S 10b5-1	600	$14.00	$8,400	0 Indirect	-100.00%	Disposed	169.9% (price as of 2026-08-20)
June 22, 2012	FIBK	S 10b5-1	6,140	$14.19	$87,127	600 Indirect	-91.10%	Disposed	166.2% (price as of 2026-08-20)
June 21, 2012	FIBK	S 10b5-1	8,060	$14.02	$113,001	6,740 Indirect	-54.46%	Disposed	169.5% (price as of 2026-08-20)
May 23, 2012	FIBK	A	5,801	$13.60	$78,894	5,801 Direct	—	Acquired	177.8% (price as of 2026-08-20)
May 3, 2012	FIBK	C	14,800	—	—	138,987 Indirect	-9.62%	Disposed	(price as of 2026-08-20)
May 3, 2012	FIBK	C	14,800	—	—	14,800 Indirect	—	Acquired	(price as of 2026-08-20)
May 3, 2012	FIBK	C	14,800	—	—	137,987 Indirect	-9.69%	Disposed	(price as of 2026-08-20)
May 3, 2012	FIBK	C	14,800	—	—	14,800 Indirect	—	Acquired	(price as of 2026-08-20)
March 8, 2012	FIBK	W	29,603	—	—	152,787 Indirect	+24.03%	Acquired	(price as of 2026-08-20)
May 24, 2011	FIBK	A	3,094	$13.25	$40,996	3,094 Direct	—	Acquired	185.1% (price as of 2026-08-20)
Sept. 30, 2004	FIBK	J	21,459	$54.50	$1,169,516	21,459 Indirect	—	Acquired	-30.7% (price as of 2026-08-20)
Sept. 30, 2004	FIBK	J	21,459	$54.50	$1,169,516	21,459 Indirect	—	Acquired	-30.7% (price as of 2026-08-20)
Sept. 30, 2004	FIBK	J	21,459	$54.50	$1,169,516	21,459 Indirect	—	Acquired	-30.7% (price as of 2026-08-20)
Sept. 30, 2004	FIBK	J	21,459	$54.50	$1,169,516	21,459 Indirect	—	Acquired	-30.7% (price as of 2026-08-20)
Sept. 30, 2004	FIBK	J	21,459	$54.50	$1,169,516	21,459 Indirect	—	Acquired	-30.7% (price as of 2026-08-20)
Aug. 4, 2004	FIBK	M	673	$46.00	$30,958	0 Direct	-100.00%	Disposed	-17.9% (price as of 2026-08-20)
Aug. 4, 2004	FIBK	M	746	$44.00	$32,824	0 Direct	-100.00%	Disposed	-14.1% (price as of 2026-08-20)
Aug. 4, 2004	FIBK	M	609	$44.00	$26,796	0 Direct	-100.00%	Disposed	-14.1% (price as of 2026-08-20)
Aug. 4, 2004	FIBK	M	834	$42.00	$35,028	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Aug. 4, 2004	FIBK	M	110	$42.00	$4,620	0 Direct	-100.00%	Disposed	-10.0% (price as of 2026-08-20)
Aug. 4, 2004	FIBK	M	673	$46.00	$30,958	3,750 Direct	+21.87%	Acquired	-17.9% (price as of 2026-08-20)
Aug. 4, 2004	FIBK	M	1,355	$44.00	$59,620	3,077 Direct	+78.69%	Acquired	-14.1% (price as of 2026-08-20)
Aug. 4, 2004	FIBK	M	944	$42.00	$39,648	1,722 Direct	+121.34%	Acquired	-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
Dec. 15, 2016	FIBK	Class B Common Stock [F2]	Class A Common Stock (16,737)	$0.00	—	16,737	Acquired
Nov. 3, 2016	FIBK	Stock Options (Right to Buy)	Class A Common Stock (4,428)	$20.82	May 22, 2013	4,428	Disposed
Sept. 8, 2016	FIBK	Stock Options (Right to Buy)	Class A Common Stock (5,801)	$13.60	May 23, 2022	5,801	Disposed
Aug. 24, 2016	FIBK	Stock Options (Right to Buy)	Class A Common Stock (3,094)	$13.25	May 24, 2021	3,094	Disposed
Aug. 24, 2016	FIBK	Stock Options (Right to Buy)	Class A Common Stock (1,972)	$15.91	May 7, 2020	1,972	Disposed
May 22, 2013	FIBK	Stock Options [F1]	Class A Common Stock (4,428)	$20.82	May 22, 2023	4,428	Acquired
Nov. 9, 2012	FIBK	Class B Common Stock [F1]	Class A Common Stock (14,803)	$0.00	Dec. 31, 2029	14,803	Disposed
May 23, 2012	FIBK	Stock Options [F1]	Class A Common Stock (5,801)	$13.60	May 23, 2022	5,801	Acquired
May 3, 2012	FIBK	Class B Common Stock [F1]	Class A Common Stock (14,800)	$0.00	Dec. 31, 2029	14,800	Disposed
May 3, 2012	FIBK	Class B Common Stock [F1]	Class A Common Stock (14,800)	$0.00	Dec. 31, 2029	14,800	Disposed
March 8, 2012	FIBK	Class B Common Stock [F1]	Class A Common Stock (29,603)	$0.00	Dec. 31, 2029	29,603	Acquired
May 24, 2011	FIBK	Stock Options [F1]	Class A Common Stock (3,094)	$13.25	May 24, 2021	3,094	Acquired
Aug. 4, 2004	FIBK	Stock Options	Common Stock (673)	$46.00	June 2, 2013	673	Disposed
Aug. 4, 2004	FIBK	Stock Options	Common Stock (746)	$44.00	Aug. 15, 2011	746	Disposed
Aug. 4, 2004	FIBK	Stock Options	Common Stock (609)	$44.00	May 16, 2012	609	Disposed
Aug. 4, 2004	FIBK	Stock Options	Common Stock (834)	$42.00	May 31, 2010	834	Disposed
Aug. 4, 2004	FIBK	Stock Options	Common Stock (110)	$42.00	March 15, 2009	110	Disposed

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

Initial ownership (Form 3) 5 holdings

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

Date	Ticker	Security	Shares	Ownership
May 11, 2010	FIBK	Stock Options [F1]→ Class A Common Stock (1,972)	1,972	Direct
May 11, 2010	FIBK	Class B Common Stock [F2]→ Class A Common Stock (15,000)	15,000	Direct
May 11, 2010	FIBK	Class B Common Stock [F2]→ Class A Common Stock (123,184)	123,184	Indirect
May 11, 2010	FIBK	Class B Common Stock [F2]→ Class A Common Stock (3,232)	3,232	Indirect
May 11, 2010	FIBK	Class B Common Stock [F2,F4]→ Class A Common Stock (1,155,792)	1,155,792	Indirect