Michael C Turpen

CIK 1519971 · View on SEC EDGAR ↗

Insider

First SEC filing: May 5, 2011 · Latest: Feb. 10, 2022

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

BOKF selling March 11, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 46 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

46 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 14, 2026	BOKF	A	144	$138.55	$19,951	3,713 Direct	+4.03%	Acquired	1.0% (price as of 2026-08-20)
July 13, 2023	BOKF	A	75	$82.05	$6,154	2,988 Direct	+2.57%	Acquired	70.5% (price as of 2026-08-20)
April 13, 2023	BOKF	A	75	$85.37	$6,403	2,913 Direct	+2.64%	Acquired	63.9% (price as of 2026-08-20)
Jan. 16, 2023	BOKF	A	75	$102.82	$7,712	2,838 Direct	+2.71%	Acquired	36.1% (price as of 2026-08-20)
Oct. 12, 2022	BOKF	A	75	$87.76	$6,582	2,763 Direct	+2.79%	Acquired	59.4% (price as of 2026-08-20)
July 12, 2022	BOKF	A	75	$77.26	$5,794	2,688 Direct	+2.87%	Acquired	81.1% (price as of 2026-08-20)
April 11, 2022	BOKF	A	75	$96.61	$7,246	2,613 Direct	+2.96%	Acquired	44.8% (price as of 2026-08-20)
Jan. 10, 2022	BOKF	A	75	$105.06	$7,880	2,463 Direct	+3.14%	Acquired	33.2% (price as of 2026-08-20)
Oct. 12, 2021	BOKF	A	75	$90.48	$6,786	2,388 Direct	+3.24%	Acquired	54.6% (price as of 2026-08-20)
July 12, 2021	BOKF	A	75	$88.40	$6,630	2,313 Direct	+3.35%	Acquired	58.3% (price as of 2026-08-20)
March 11, 2021	BOKF	S	600	$95.01	$57,006	2,238 Direct	-21.14%	Disposed	47.3% (price as of 2026-08-20)
Jan. 12, 2021	BOKF	A	75	$69.12	$5,184	2,838 Direct	+2.71%	Acquired	102.4% (price as of 2026-08-20)
Oct. 12, 2020	BOKF	A	75	$50.66	$3,800	2,763 Direct	+2.79%	Acquired	176.2% (price as of 2026-08-20)
July 13, 2020	BOKF	A	75	$55.27	$4,145	2,688 Direct	+2.87%	Acquired	153.2% (price as of 2026-08-20)
April 13, 2020	BOKF	A	75	$42.69	$3,202	2,613 Direct	+2.96%	Acquired	227.8% (price as of 2026-08-20)
Jan. 13, 2020	BOKF	A	75	$87.18	$6,538	2,538 Direct	+3.05%	Acquired	60.5% (price as of 2026-08-20)
July 12, 2019	BOKF	A	75	$74.62	$5,596	2,388 Direct	+3.24%	Acquired	87.5% (price as of 2026-08-20)
April 15, 2019	BOKF	A	75	$79.83	$5,987	2,313 Direct	+3.35%	Acquired	75.3% (price as of 2026-08-20)
Jan. 14, 2019	BOKF	A	75	$72.59	$5,444	2,238 Direct	+3.47%	Acquired	92.8% (price as of 2026-08-20)
Oct. 12, 2018	BOKF	A	75	$101.48	$7,611	2,163 Direct	+3.59%	Acquired	37.9% (price as of 2026-08-20)
July 13, 2018	BOKF	A	75	$95.19	$7,139	2,088 Direct	+3.73%	Acquired	47.0% (price as of 2026-08-20)
April 13, 2018	BOKF	A	75	$98.08	$7,356	2,013 Direct	+3.87%	Acquired	42.7% (price as of 2026-08-20)
Jan. 12, 2018	BOKF	A	75	$92.70	$6,952	1,938 Direct	+4.03%	Acquired	50.9% (price as of 2026-08-20)
Oct. 13, 2017	BOKF	A	75	$87.07	$6,530	1,863 Direct	+4.19%	Acquired	60.7% (price as of 2026-08-20)
July 14, 2017	BOKF	A	75	$82.91	$6,218	1,788 Direct	+4.38%	Acquired	68.8% (price as of 2026-08-20)
April 14, 2017	BOKF	A	75	$76.61	$5,746	1,713 Direct	+4.58%	Acquired	82.6% (price as of 2026-08-20)
Jan. 13, 2017	BOKF	A	75	$83.49	$6,262	1,638 Direct	+4.80%	Acquired	67.6% (price as of 2026-08-20)
April 15, 2016	BOKF	A	75	$56.07	$4,205	1,413 Indirect	+5.61%	Acquired	149.5% (price as of 2026-08-20)
Jan. 15, 2016	BOKF	A	75	$60.77	$4,558	1,338 Indirect	+5.94%	Acquired	130.2% (price as of 2026-08-20)
Oct. 9, 2015	BOKF	A	75	$63.21	$4,741	1,263 Indirect	+6.31%	Acquired	121.4% (price as of 2026-08-20)
July 10, 2015	BOKF	A	75	$70.29	$5,272	1,188 Indirect	+6.74%	Acquired	99.1% (price as of 2026-08-20)
April 10, 2015	BOKF	A	75	$60.62	$4,546	1,113 Indirect	+7.23%	Acquired	130.8% (price as of 2026-08-20)
Jan. 16, 2015	BOKF	A	75	$60.75	$4,556	1,038 Indirect	+7.79%	Acquired	130.3% (price as of 2026-08-20)
Oct. 10, 2014	BOKF	A	75	$67.03	$5,027	963 Indirect	+8.45%	Acquired	108.7% (price as of 2026-08-20)
July 11, 2014	BOKF	A	75	$65.65	$4,924	888 Indirect	+9.23%	Acquired	113.1% (price as of 2026-08-20)
April 11, 2014	BOKF	A	75	$68.96	$5,172	813 Indirect	+10.16%	Acquired	102.9% (price as of 2026-08-20)
Jan. 17, 2014	BOKF	A	75	$65.83	$4,937	738 Indirect	+11.31%	Acquired	112.5% (price as of 2026-08-20)
Oct. 11, 2013	BOKF	A	75	$64.04	$4,803	663 Indirect	+12.76%	Acquired	118.5% (price as of 2026-08-20)
July 12, 2013	BOKF	A	75	$63.34	$4,750	588 Indirect	+14.62%	Acquired	120.9% (price as of 2026-08-20)
April 12, 2013	BOKF	A	50	$62.43	$3,122	513 Indirect	+10.80%	Acquired	124.1% (price as of 2026-08-20)
Jan. 11, 2013	BOKF	A	50	$54.25	$2,712	463 Indirect	+12.11%	Acquired	157.9% (price as of 2026-08-20)
Oct. 12, 2012	BOKF	A	50	$58.68	$2,934	413 Indirect	+13.77%	Acquired	138.4% (price as of 2026-08-20)
July 13, 2012	BOKF	A	50	$56.58	$2,829	363 Indirect	+15.97%	Acquired	147.3% (price as of 2026-08-20)
April 13, 2012	BOKF	A	50	$56.57	$2,828	313 Indirect	+19.01%	Acquired	147.3% (price as of 2026-08-20)
Jan. 13, 2012	BOKF	A	50	$51.37	$2,568	263 Indirect	+23.47%	Acquired	172.4% (price as of 2026-08-20)
Oct. 14, 2011	BOKF	A	50	$47.02	$2,351	213 Indirect	+30.67%	Acquired	197.6% (price as of 2026-08-20)
July 15, 2011	BOKF	A	50	$53.11	$2,656	163 Indirect	+44.25%	Acquired	163.5% (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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
May 5, 2011	BOKF	Common Stock	113	Indirect