Mark C Tuffin

Insider

First SEC filing: Feb. 6, 2014 · Latest: March 17, 2014

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

KR selling March 7, 2022

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 92 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

92 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 28, 2022	KR	M	56,039	—	—	14,010 Direct	-80.00%	Disposed	(price as of 2026-08-20)
March 28, 2022	KR	D	56,039	$56.91	$3,189,179	229,064 Direct	-19.66%	Disposed	-2.0% (price as of 2026-08-20)
March 28, 2022	KR	M	56,039	$22.92	$1,284,414	285,103 Direct	+24.46%	Acquired	143.4% (price as of 2026-08-20)
March 14, 2022	KR	F	1,673	$55.42	$92,718	229,064 Direct	-0.73%	Disposed	0.6% (price as of 2026-08-20)
March 11, 2022	KR	F	6,267	$55.89	$350,263	230,737 Direct	-2.64%	Disposed	-0.2% (price as of 2026-08-20)
March 10, 2022	KR	A	32,970	—	—	250,317 Direct	+15.17%	Acquired	(price as of 2026-08-20)
March 10, 2022	KR	F	13,313	$57.09	$760,039	237,004 Direct	-5.32%	Disposed	-2.3% (price as of 2026-08-20)
March 7, 2022	KR	M	43,767	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 7, 2022	KR	M	33,777	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 7, 2022	KR	S	77,544	$61.84	$4,795,321	217,347 Direct	-26.30%	Disposed	-9.8% (price as of 2026-08-20)
March 7, 2022	KR	M	43,767	$37.48	$1,640,387	294,891 Direct	+17.43%	Acquired	48.8% (price as of 2026-08-20)
March 7, 2022	KR	M	33,777	$38.33	$1,294,672	251,124 Direct	+15.54%	Acquired	45.5% (price as of 2026-08-20)
July 13, 2021	KR	F	4,896	$38.07	$186,391	217,347 Direct	-2.20%	Disposed	46.5% (price as of 2026-08-20)
June 22, 2021	KR	M	50,720	$24.66	$1,250,755	272,963 Direct	+22.82%	Acquired	126.2% (price as of 2026-08-20)
June 22, 2021	KR	S 10b5-1	10,049	$40.00	$401,960	262,914 Direct	-3.68%	Disposed	39.5% (price as of 2026-08-20)
June 22, 2021	KR	S 10b5-1	40,671	$40.01	$1,627,247	222,243 Direct	-15.47%	Disposed	39.4% (price as of 2026-08-20)
June 22, 2021	KR	M	50,720	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 26, 2021	KR	M	21,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 26, 2021	KR	S	21,000	$36.88	$774,480	222,243 Direct	-8.63%	Disposed	51.2% (price as of 2026-08-20)
March 26, 2021	KR	M	21,000	$18.88	$396,480	243,243 Direct	+9.45%	Acquired	195.4% (price as of 2026-08-20)
March 22, 2021	KR	M	21,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 22, 2021	KR	S	21,000	$36.00	$756,000	222,243 Direct	-8.63%	Disposed	54.9% (price as of 2026-08-20)
March 22, 2021	KR	M	21,000	$10.98	$230,580	243,243 Direct	+9.45%	Acquired	408.0% (price as of 2026-08-20)
March 12, 2021	KR	F	3,517	$35.46	$124,713	222,243 Direct	-1.56%	Disposed	57.3% (price as of 2026-08-20)
March 11, 2021	KR	A	37,960	—	—	37,960 Direct	—	Acquired	(price as of 2026-08-20)
March 11, 2021	KR	F	5,373	$34.94	$187,733	225,760 Direct	-2.32%	Disposed	59.6% (price as of 2026-08-20)
March 11, 2021	KR	A	11,765	—	—	231,133 Direct	+5.36%	Acquired	(price as of 2026-08-20)
March 11, 2021	KR	A	8,477	—	—	219,368 Direct	+4.02%	Acquired	(price as of 2026-08-20)
March 11, 2021	KR	A	13,738	—	—	210,891 Direct	+6.97%	Acquired	(price as of 2026-08-20)
July 21, 2020	KR	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 21, 2020	KR	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 21, 2020	KR	S 10b5-1	35,000	$35.00	$1,225,000	197,153 Direct	-15.08%	Disposed	59.4% (price as of 2026-08-20)
July 21, 2020	KR	M	15,000	$12.37	$185,550	232,153 Direct	+6.91%	Acquired	350.9% (price as of 2026-08-20)
July 21, 2020	KR	M	20,000	$11.30	$226,000	217,153 Direct	+10.14%	Acquired	393.6% (price as of 2026-08-20)
July 15, 2020	KR	F	1,112	$33.77	$37,552	197,153 Direct	-0.56%	Disposed	65.2% (price as of 2026-08-20)
July 13, 2020	KR	F	4,897	$33.28	$162,972	198,265 Direct	-2.41%	Disposed	67.6% (price as of 2026-08-20)
March 13, 2020	KR	F	1,880	$30.71	$57,735	203,162 Direct	-0.92%	Disposed	81.6% (price as of 2026-08-20)
March 12, 2020	KR	A	43,888	—	—	43,888 Direct	—	Acquired	(price as of 2026-08-20)
March 12, 2020	KR	F	4,058	$29.12	$118,169	205,042 Direct	-1.94%	Disposed	91.6% (price as of 2026-08-20)
March 12, 2020	KR	A	8,971	—	—	209,100 Direct	+4.48%	Acquired	(price as of 2026-08-20)
March 12, 2020	KR	A	14,424	—	—	200,129 Direct	+7.77%	Acquired	(price as of 2026-08-20)
Jan. 2, 2020	KR	M	2,600	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 2, 2020	KR	S	2,600	$28.44	$73,944	185,705 Direct	-1.38%	Disposed	96.1% (price as of 2026-08-20)
Jan. 2, 2020	KR	M	2,600	$10.08	$26,208	188,305 Direct	+1.40%	Acquired	453.4% (price as of 2026-08-20)
July 15, 2019	KR	F	2,838	$22.08	$62,663	185,705 Direct	-1.51%	Disposed	152.6% (price as of 2026-08-20)
July 12, 2019	KR	F	4,896	$21.89	$107,173	188,543 Direct	-2.53%	Disposed	154.8% (price as of 2026-08-20)
March 15, 2019	KR	F	4,506	$24.75	$111,524	193,439 Direct	-2.28%	Disposed	125.4% (price as of 2026-08-20)
March 15, 2019	KR	A	9,804	—	—	197,945 Direct	+5.21%	Acquired	(price as of 2026-08-20)
March 14, 2019	KR	A	45,606	—	—	45,606 Direct	—	Acquired	(price as of 2026-08-20)
March 14, 2019	KR	A	16,566	—	—	188,141 Direct	+9.66%	Acquired	(price as of 2026-08-20)
July 13, 2018	KR	A	40,561	—	—	40,561 Direct	—	Acquired	(price as of 2026-08-20)
July 13, 2018	KR	F	6,550	$28.05	$183,728	171,575 Direct	-3.68%	Disposed	98.9% (price as of 2026-08-20)
July 13, 2018	KR	A	16,756	—	—	178,125 Direct	+10.38%	Acquired	(price as of 2026-08-20)
March 15, 2018	KR	F	1,740	$23.63	$41,116	161,369 Direct	-1.07%	Disposed	136.1% (price as of 2026-08-20)
March 15, 2018	KR	A	3,801	—	—	163,109 Direct	+2.39%	Acquired	(price as of 2026-08-20)
July 14, 2017	KR	F	8,245	$23.01	$189,717	159,308 Direct	-4.92%	Disposed	142.4% (price as of 2026-08-20)
July 13, 2017	KR	A	70,049	—	—	70,049 Direct	—	Acquired	(price as of 2026-08-20)
July 13, 2017	KR	F	1,226	$22.92	$28,100	167,553 Direct	-0.73%	Disposed	143.4% (price as of 2026-08-20)
July 13, 2017	KR	A	20,472	—	—	168,779 Direct	+13.80%	Acquired	(price as of 2026-08-20)
July 12, 2017	KR	F	772	$22.80	$17,602	148,307 Direct	-0.52%	Disposed	144.6% (price as of 2026-08-20)
March 13, 2017	KR	F	2,449	$28.69	$70,262	149,662 Direct	-1.61%	Disposed	94.4% (price as of 2026-08-20)
March 9, 2017	KR	F	2,143	$28.83	$61,783	151,528 Direct	-1.39%	Disposed	93.5% (price as of 2026-08-20)
March 9, 2017	KR	F	1,560	$28.83	$44,975	152,111 Direct	-1.02%	Disposed	93.5% (price as of 2026-08-20)
March 9, 2017	KR	A	4,375	—	—	153,671 Direct	+2.93%	Acquired	(price as of 2026-08-20)
July 15, 2016	KR	F	5,117	$36.71	$187,845	149,296 Direct	-3.31%	Disposed	51.9% (price as of 2026-08-20)
July 13, 2016	KR	A	43,767	—	—	43,767 Direct	—	Acquired	(price as of 2026-08-20)
July 13, 2016	KR	A	12,519	—	—	154,413 Direct	+8.82%	Acquired	(price as of 2026-08-20)
July 12, 2016	KR	F	542	$37.39	$20,265	141,894 Direct	-0.38%	Disposed	49.2% (price as of 2026-08-20)
June 23, 2016	KR	F	392	$34.67	$13,591	142,436 Direct	-0.27%	Disposed	60.9% (price as of 2026-08-20)
March 11, 2016	KR	F	1,719	$38.64	$66,422	142,828 Direct	-1.19%	Disposed	44.4% (price as of 2026-08-20)
March 10, 2016	KR	F	1,787	$37.73	$67,424	144,547 Direct	-1.22%	Disposed	47.8% (price as of 2026-08-20)
March 10, 2016	KR	A	5,250	—	—	146,334 Direct	+3.72%	Acquired	(price as of 2026-08-20)
July 15, 2015	KR	A	33,777	—	—	33,777 Direct	—	Acquired	(price as of 2026-08-20)
July 15, 2015	KR	F	4,106	$38.33	$157,383	141,084 Direct	-2.83%	Disposed	45.5% (price as of 2026-08-20)
July 15, 2015	KR	A	12,242	—	—	145,190 Direct	+9.21%	Acquired	(price as of 2026-08-20)
July 10, 2015	KR	F	386	$76.34	$29,467	66,474 Direct	-0.58%	Disposed	46.1% (price as of 2026-08-20)
June 24, 2015	KR	F	240	$72.94	$17,506	66,860 Direct	-0.36%	Disposed	52.9% (price as of 2026-08-20)
June 23, 2015	KR	F	280	$73.45	$20,566	67,100 Direct	-0.42%	Disposed	51.9% (price as of 2026-08-20)
March 13, 2015	KR	F	1,225	$76.35	$93,529	67,380 Direct	-1.79%	Disposed	46.1% (price as of 2026-08-20)
March 12, 2015	KR	F	862	$76.29	$65,762	68,605 Direct	-1.24%	Disposed	46.2% (price as of 2026-08-20)
March 12, 2015	KR	A	1,759	—	—	69,467 Direct	+2.60%	Acquired	(price as of 2026-08-20)
March 6, 2015	KR	M	5,200	—	—	1,300 Direct	-80.00%	Disposed	(price as of 2026-08-20)
March 6, 2015	KR	M	6,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 6, 2015	KR	M	6,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 6, 2015	KR	M	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 6, 2015	KR	S	24,200	$74.00	$1,790,800	67,708 Direct	-26.33%	Disposed	50.8% (price as of 2026-08-20)
March 6, 2015	KR	M	5,200	$20.16	$104,832	91,908 Direct	+6.00%	Acquired	453.4% (price as of 2026-08-20)
March 6, 2015	KR	M	6,500	$22.34	$145,210	86,708 Direct	+8.10%	Acquired	399.4% (price as of 2026-08-20)
March 6, 2015	KR	M	6,500	$28.61	$185,965	80,208 Direct	+8.82%	Acquired	289.9% (price as of 2026-08-20)
March 6, 2015	KR	M	6,000	$19.94	$119,640	73,708 Direct	+8.86%	Acquired	459.5% (price as of 2026-08-20)
Dec. 10, 2014	KR	F	172	$61.36	$10,554	67,708 Direct	-0.25%	Disposed	81.8% (price as of 2026-08-20)
Sept. 15, 2014	KR	F	591	$51.55	$30,466	67,880 Direct	-0.86%	Disposed	116.4% (price as of 2026-08-20)
July 15, 2014	KR	A	25,360	—	—	25,360 Direct	—	Acquired	(price as of 2026-08-20)
July 15, 2014	KR	A	7,500	—	—	68,471 Direct	+12.30%	Acquired	(price as of 2026-08-20)
July 15, 2014	KR	A	9,510	—	—	60,971 Direct	+18.48%	Acquired	(price as of 2026-08-20)
July 15, 2014	KR	F	271	$49.33	$13,368	51,461 Direct	-0.52%	Disposed	126.2% (price as of 2026-08-20)
July 11, 2014	KR	F	272	$48.82	$13,279	51,732 Direct	-0.52%	Disposed	128.5% (price as of 2026-08-20)
June 25, 2014	KR	F	224	$49.22	$11,025	52,004 Direct	-0.43%	Disposed	126.7% (price as of 2026-08-20)
June 24, 2014	KR	F	169	$49.17	$8,310	52,228 Direct	-0.32%	Disposed	126.9% (price as of 2026-08-20)
June 23, 2014	KR	F	197	$49.40	$9,732	52,397 Direct	-0.37%	Disposed	125.8% (price as of 2026-08-20)

Showing latest 100 of 105 transactions

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
March 28, 2022	KR	Non-Qualified Stock Option	Common Stock (56,039)	$22.92	July 13, 2027	56,039	Disposed
March 7, 2022	KR	Non-Qualified Stock Option	Common Stock (43,767)	$37.48	July 13, 2026	43,767	Disposed
March 7, 2022	KR	Non-Qualified Stock Option	Common Stock (33,777)	$38.33	July 15, 2025	33,777	Disposed
June 22, 2021	KR	Non-Qualified Stock Option	Common Stock (50,720)	$24.66	—	50,720	Disposed
March 26, 2021	KR	Non-Qualified Stock Option	Common Stock (21,000)	$18.88	July 15, 2023	21,000	Disposed
March 22, 2021	KR	Non-Qualified Stock Option	Common Stock (21,000)	$10.98	July 12, 2022	21,000	Disposed
March 11, 2021	KR	Non-Qualified Stock Option	Common Stock (37,960)	$34.94	March 11, 2031	37,960	Acquired
July 21, 2020	KR	Non-Qualified Stock Option	Common Stock (20,000)	$11.30	Sept. 15, 2021	20,000	Disposed
July 21, 2020	KR	Non-Qualified Stock Option	Common Stock (15,000)	$12.37	June 23, 2021	15,000	Disposed
March 12, 2020	KR	Non-Qualified Stock Option	Common Stock (43,888)	$29.12	March 12, 2030	43,888	Acquired
Jan. 2, 2020	KR	Non-Qualified Stock Option	Common Stock (2,600)	$10.08	June 24, 2020	2,600	Disposed
March 14, 2019	KR	Non-Qualified Stock Option	Common Stock (45,606)	$24.75	March 14, 2029	45,606	Acquired
July 13, 2018	KR	Non-Qualified Stock Option	Common Stock (40,561)	$28.05	July 13, 2028	40,561	Acquired
July 13, 2017	KR	Non-Qualified Stock Option	Common Stock (70,049)	$22.92	July 13, 2027	70,049	Acquired
July 13, 2016	KR	Non-Qualified Stock Option	Common Stock (43,767)	$37.48	July 13, 2026	43,767	Acquired
July 15, 2015	KR	Non-Qualified Stock Option	Common Stock (33,777)	$38.33	July 15, 2025	33,777	Acquired
March 6, 2015	KR	Non-Qualified Stock Option	Common Stock (5,200)	$20.16	June 24, 2020	5,200	Disposed
March 6, 2015	KR	Non-Qualified Stock Option	Common Stock (6,500)	$22.34	June 25, 2019	6,500	Disposed
March 6, 2015	KR	Non-Qualified Stock Option	Common Stock (6,500)	$28.61	June 26, 2018	6,500	Disposed
March 6, 2015	KR	Non-Qualified Stock Option	Common Stock (6,000)	$19.94	May 4, 2016	6,000	Disposed
July 15, 2014	KR	Non-Qualified Stock Option	Common Stock (25,360)	$49.33	July 15, 2024	25,360	Acquired

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

Initial ownership (Form 3) 10 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 6, 2014	KR	Common Stock	40,263	Direct
Jan. 17, 2014	KR	Common Stock	72,066	Direct
Jan. 17, 2014	KR	Non-Qualified Stock Option→ Common Stock (6,000)	6,000	Direct
Jan. 17, 2014	KR	Non-Qualified Stock Option→ Common Stock (6,500)	6,500	Direct
Jan. 17, 2014	KR	Non-Qualified Stock Option→ Common Stock (6,500)	6,500	Direct
Jan. 17, 2014	KR	Non-Qualified Stock Option→ Common Stock (6,500)	6,500	Direct
Jan. 17, 2014	KR	Non-Qualified Stock Option→ Common Stock (7,500)	7,500	Direct
Jan. 17, 2014	KR	Non-Qualified Stock Option→ Common Stock (10,000)	10,000	Direct
Jan. 17, 2014	KR	Non-Qualified Stock Option→ Common Stock (10,500)	10,500	Direct
Jan. 17, 2014	KR	Non-Qualified Stock Option→ Common Stock (10,500)	10,500	Direct