Aaron Paul Diefenthaler

Insider

First SEC filing: Feb. 5, 2024 · Latest: Feb. 5, 2024

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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

RLI selling Jan. 30, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 93 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

93 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 11, 2024	RLI	M	11,000	$49.71	$546,810	39,696 Direct	+38.33%	Acquired	163.7% (price as of 2026-08-21)
Nov. 11, 2024	RLI	F	6,627	$173.65	$1,150,779	33,069 Direct	-16.69%	Disposed	-24.5% (price as of 2026-08-21)
Nov. 11, 2024	RLI	M	11,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 2, 2024	RLI	A	7,000	—	—	7,000 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 27, 2023	RLI	M	9,000	$57.09	$513,810	34,733 Direct	+34.97%	Acquired	129.6% (price as of 2026-08-21)
Nov. 27, 2023	RLI	F	6,037	$139.65	$843,067	28,696 Direct	-17.38%	Disposed	-6.1% (price as of 2026-08-21)
Nov. 27, 2023	RLI	M	9,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 4, 2023	RLI	A	7,500	—	—	7,500 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 2, 2022	RLI	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 2, 2022	RLI	F	7,375	$131.85	$972,394	25,736 Direct	-22.27%	Disposed	-0.6% (price as of 2026-08-21)
Dec. 2, 2022	RLI	M	12,000	$40.61	$487,320	33,111 Direct	+56.84%	Acquired	222.8% (price as of 2026-08-21)
May 5, 2022	RLI	A	19,000	—	—	19,000 Direct	—	Acquired	(price as of 2026-08-21)
May 2, 2022	RLI	F	143	$115.27	$16,484	21,108 Direct	-0.67%	Disposed	13.7% (price as of 2026-08-21)
May 2, 2022	RLI	M	300	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 2, 2022	RLI	J	21	—	—	21,251 Direct	+0.10%	Acquired	(price as of 2026-08-21)
May 2, 2022	RLI	M	300	—	—	21,230 Direct	+1.43%	Acquired	(price as of 2026-08-21)
May 6, 2021	RLI	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-21)
May 3, 2021	RLI	M	300	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 3, 2021	RLI	F	143	$112.84	$16,136	20,930 Direct	-0.68%	Disposed	16.2% (price as of 2026-08-21)
May 3, 2021	RLI	M	300	—	—	21,073 Direct	+1.44%	Acquired	(price as of 2026-08-21)
May 3, 2021	RLI	J	21	—	—	20,773 Direct	+0.10%	Acquired	(price as of 2026-08-21)
Aug. 21, 2020	RLI	A	12,500	$93.24	$1,165,500	12,500 Direct	—	Acquired	40.6% (price as of 2026-08-21)
May 4, 2020	RLI	M	300	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 4, 2020	RLI	F	146	$73.26	$10,696	20,752 Direct	-0.70%	Disposed	79.0% (price as of 2026-08-21)
May 4, 2020	RLI	J	28	—	—	20,898 Direct	+0.13%	Acquired	(price as of 2026-08-21)
May 4, 2020	RLI	M	300	—	—	20,870 Direct	+1.46%	Acquired	(price as of 2026-08-21)
May 10, 2019	RLI	M	8,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 10, 2019	RLI	F	5,573	$83.95	$467,853	20,570 Direct	-21.32%	Disposed	56.2% (price as of 2026-08-21)
May 10, 2019	RLI	M	8,000	$38.21	$305,680	26,143 Direct	+44.09%	Acquired	243.1% (price as of 2026-08-21)
May 3, 2019	RLI	M	4,000	—	—	8,000 Direct	-33.33%	Disposed	(price as of 2026-08-21)
May 3, 2019	RLI	F	2,796	$83.19	$232,599	18,143 Direct	-13.35%	Disposed	57.6% (price as of 2026-08-21)
May 3, 2019	RLI	M	4,000	$38.21	$152,840	20,939 Direct	+23.61%	Acquired	243.1% (price as of 2026-08-21)
May 2, 2019	RLI	A	300	—	—	300 Direct	—	Acquired	(price as of 2026-08-21)
May 2, 2019	RLI	A	7,500	—	—	7,500 Direct	—	Acquired	(price as of 2026-08-21)
April 22, 2019	RLI	M	3,200	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 22, 2019	RLI	M	3,200	$29.42	$94,144	19,024 Direct	+20.22%	Acquired	345.6% (price as of 2026-08-21)
April 22, 2019	RLI	M	3,200	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 22, 2019	RLI	F	2,085	$78.67	$164,027	16,939 Direct	-10.96%	Disposed	66.6% (price as of 2026-08-21)
April 22, 2019	RLI	M	3,200	—	—	19,024 Direct	+20.22%	Acquired	(price as of 2026-08-21)
Aug. 30, 2018	RLI	M	3,200	—	—	3,200 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Aug. 30, 2018	RLI	F	2,104	$76.46	$160,872	15,824 Direct	-11.74%	Disposed	71.5% (price as of 2026-08-21)
Aug. 30, 2018	RLI	M	3,200	$29.42	$94,144	17,928 Direct	+21.73%	Acquired	345.6% (price as of 2026-08-21)
May 11, 2018	RLI	M	6,400	—	—	6,400 Direct	-50.00%	Disposed	(price as of 2026-08-21)
May 11, 2018	RLI	F	4,399	$67.07	$295,041	14,728 Direct	-23.00%	Disposed	95.5% (price as of 2026-08-21)
May 11, 2018	RLI	M	6,400	$29.42	$188,288	19,127 Direct	+50.29%	Acquired	345.6% (price as of 2026-08-21)
May 3, 2018	RLI	A	300	—	—	300 Direct	—	Acquired	(price as of 2026-08-21)
May 3, 2018	RLI	A	9,000	—	—	9,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 30, 2018	RLI	S	100	$65.42	$6,542	12,727 Direct	-0.78%	Disposed	100.4% (price as of 2026-08-21)
Jan. 30, 2018	RLI	S	100	$64.99	$6,499	12,827 Direct	-0.77%	Disposed	101.7% (price as of 2026-08-21)
Jan. 29, 2018	RLI	S	200	$64.60	$12,920	12,284 Direct	-1.60%	Disposed	102.9% (price as of 2026-08-21)
Jan. 29, 2018	RLI	S	100	$64.50	$6,450	12,184 Direct	-0.81%	Disposed	103.3% (price as of 2026-08-21)
Jan. 29, 2018	RLI	S	100	$64.55	$6,455	12,084 Direct	-0.82%	Disposed	103.1% (price as of 2026-08-21)
Jan. 29, 2018	RLI	M	3,200	—	—	12,800 Direct	-20.00%	Disposed	(price as of 2026-08-21)
Jan. 29, 2018	RLI	F	2,057	$64.47	$132,615	12,927 Direct	-13.73%	Disposed	103.4% (price as of 2026-08-21)
Jan. 29, 2018	RLI	M	3,200	$29.42	$94,144	14,984 Direct	+27.16%	Acquired	345.6% (price as of 2026-08-21)
Jan. 29, 2018	RLI	S	200	$64.80	$12,960	11,784 Direct	-1.67%	Disposed	102.3% (price as of 2026-08-21)
Jan. 29, 2018	RLI	S	100	$64.65	$6,465	11,984 Direct	-0.83%	Disposed	102.8% (price as of 2026-08-21)
Nov. 15, 2017	RLI	M	5,600	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 15, 2017	RLI	M	4,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 15, 2017	RLI	F	5,962	$59.44	$354,381	12,484 Direct	-32.32%	Disposed	120.6% (price as of 2026-08-21)
Nov. 15, 2017	RLI	M	5,600	$25.35	$141,960	18,446 Direct	+43.59%	Acquired	417.2% (price as of 2026-08-21)
Nov. 15, 2017	RLI	M	4,000	$27.30	$109,200	12,846 Direct	+45.22%	Acquired	380.2% (price as of 2026-08-21)
May 4, 2017	RLI	A	300	—	—	300 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2017	RLI	A	11,000	—	—	11,000 Direct	—	Acquired	(price as of 2026-08-21)
May 5, 2016	RLI	A	9,000	—	—	9,000 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 22, 2015	RLI	M	8,400	—	—	5,600 Direct	-60.00%	Disposed	(price as of 2026-08-21)
Oct. 22, 2015	RLI	M	6,000	—	—	4,000 Direct	-60.00%	Disposed	(price as of 2026-08-21)
Oct. 22, 2015	RLI	F	9,136	$60.00	$548,160	8,846 Direct	-50.81%	Disposed	118.5% (price as of 2026-08-21)
Oct. 22, 2015	RLI	M	8,400	$27.35	$229,740	17,982 Direct	+87.66%	Acquired	379.3% (price as of 2026-08-21)
Oct. 22, 2015	RLI	M	6,000	$29.30	$175,800	9,582 Direct	+167.50%	Acquired	347.4% (price as of 2026-08-21)
May 7, 2015	RLI	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
March 26, 2015	RLI	J	3	$52.01	$156	1,079 Indirect	+0.28%	Acquired	152.1% (price as of 2026-08-21)
March 18, 2015	RLI	J	179	$51.49	$9,217	1,076 Indirect	+19.96%	Acquired	154.6% (price as of 2026-08-21)
Jan. 9, 2015	RLI	J	7	$47.88	$335	897 Indirect	+0.79%	Acquired	173.8% (price as of 2026-08-21)
Jan. 9, 2015	RLI	J	7	$47.88	$335	897 Indirect	+0.79%	Acquired	173.8% (price as of 2026-08-21)
Dec. 26, 2014	RLI	J	9	$48.99	$441	837 Indirect	+1.09%	Acquired	167.6% (price as of 2026-08-21)
Dec. 12, 2014	RLI	J	9	$45.35	$408	828 Indirect	+1.10%	Acquired	189.1% (price as of 2026-08-21)
Nov. 28, 2014	RLI	J	9	$46.92	$422	819 Indirect	+1.11%	Acquired	179.4% (price as of 2026-08-21)
Nov. 14, 2014	RLI	J	8	$49.14	$393	810 Indirect	+1.00%	Acquired	166.8% (price as of 2026-08-21)
Oct. 31, 2014	RLI	J	8	$49.74	$398	802 Indirect	+1.01%	Acquired	163.6% (price as of 2026-08-21)
Oct. 17, 2014	RLI	J	10	$45.61	$456	794 Indirect	+1.28%	Acquired	187.4% (price as of 2026-08-21)
Oct. 3, 2014	RLI	J	9	$44.14	$397	784 Indirect	+1.16%	Acquired	197.0% (price as of 2026-08-21)
Sept. 19, 2014	RLI	J	9	$44.34	$399	772 Indirect	+1.18%	Acquired	195.7% (price as of 2026-08-21)
Sept. 8, 2014	RLI	J	10	$44.57	$446	763 Indirect	+1.33%	Acquired	194.1% (price as of 2026-08-21)
Aug. 22, 2014	RLI	J	9	$45.80	$412	753 Indirect	+1.21%	Acquired	186.2% (price as of 2026-08-21)
Aug. 8, 2014	RLI	J	9	$43.39	$391	744 Indirect	+1.22%	Acquired	202.1% (price as of 2026-08-21)
July 25, 2014	RLI	J	10	$44.33	$443	735 Indirect	+1.38%	Acquired	195.7% (price as of 2026-08-21)
July 11, 2014	RLI	J	9	$45.17	$407	725 Indirect	+1.26%	Acquired	190.2% (price as of 2026-08-21)
June 27, 2014	RLI	J	9	$45.12	$406	716 Indirect	+1.27%	Acquired	190.6% (price as of 2026-08-21)
June 13, 2014	RLI	J	9	$44.91	$404	704 Indirect	+1.29%	Acquired	191.9% (price as of 2026-08-21)
May 30, 2014	RLI	J	10	$45.00	$450	695 Indirect	+1.46%	Acquired	191.3% (price as of 2026-08-21)
May 16, 2014	RLI	J	9	$43.23	$389	685 Indirect	+1.33%	Acquired	203.3% (price as of 2026-08-21)
May 2, 2014	RLI	J	9	$43.66	$393	676 Indirect	+1.35%	Acquired	200.3% (price as of 2026-08-21)
May 1, 2014	RLI	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
April 17, 2014	RLI	J	10	$42.66	$427	667 Indirect	+1.52%	Acquired	207.3% (price as of 2026-08-21)
April 4, 2014	RLI	J	9	$44.47	$400	657 Indirect	+1.39%	Acquired	194.8% (price as of 2026-08-21)
March 21, 2014	RLI	J	124	—	—	3,336 Direct	+3.86%	Acquired	(price as of 2026-08-21)
March 21, 2014	RLI	J	8	$45.31	$362	649 Indirect	+1.25%	Acquired	189.3% (price as of 2026-08-21)
March 7, 2014	RLI	J	267	$44.93	$11,996	639 Indirect	+71.77%	Acquired	191.8% (price as of 2026-08-21)
Feb. 21, 2014	RLI	J	9	$42.59	$383	372 Indirect	+2.48%	Acquired	207.8% (price as of 2026-08-21)

Showing latest 100 of 136 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
Nov. 11, 2024	RLI	Stock Option	Common Stock (11,000)	—	May 4, 2025	11,000	Disposed
May 2, 2024	RLI	Stock Option	Common Stock (7,000)	$143.15	May 2, 2032	7,000	Acquired
Nov. 27, 2023	RLI	Stock Option	Common Stock (9,000)	—	May 5, 2024	9,000	Disposed
May 4, 2023	RLI	Stock Option	Common Stock (7,500)	$136.59	May 4, 2031	7,500	Acquired
Dec. 2, 2022	RLI	Stock Option	Common Stock (12,000)	—	May 7, 2023	12,000	Disposed
May 5, 2022	RLI	Stock Option	Common Stock (19,000)	$116.60	May 5, 2030	19,000	Acquired
May 2, 2022	RLI	Restricted Stock Unit	Common Stock (300)	—	—	300	Disposed
May 6, 2021	RLI	Stock Option	Common Stock (8,000)	$113.02	May 6, 2029	8,000	Acquired
May 3, 2021	RLI	Restricted Stock Unit	Common Stock (300)	—	—	300	Disposed
Aug. 21, 2020	RLI	Stock Option	Common Stock (12,500)	$93.24	Aug. 21, 2028	12,500	Acquired
May 4, 2020	RLI	Restricted Stock Unit	Common Stock (300)	—	—	300	Disposed
May 10, 2019	RLI	Stock Option	Common Stock (8,000)	—	May 1, 2022	8,000	Disposed
May 3, 2019	RLI	Stock Option	Common Stock (4,000)	—	May 1, 2022	4,000	Disposed
May 2, 2019	RLI	Restricted Stock Unit	Common Stock (300)	—	—	300	Acquired
May 2, 2019	RLI	Stock Option	Common Stock (7,500)	$82.66	May 2, 2027	7,500	Acquired
April 22, 2019	RLI	Stock Option	Common Stock (3,200)	—	May 2, 2021	3,200	Disposed
April 22, 2019	RLI	Stock Option	Common Stock (3,200)	—	May 2, 2021	3,200	Disposed
Aug. 30, 2018	RLI	Stock Option	Common Stock (3,200)	—	May 2, 2021	3,200	Disposed
May 11, 2018	RLI	Stock Option	Common Stock (6,400)	—	May 2, 2021	6,400	Disposed
May 3, 2018	RLI	Restricted Stock Unit	Common Stock (300)	—	—	300	Acquired
May 3, 2018	RLI	Stock Option	Common Stock (9,000)	$63.14	May 3, 2026	9,000	Acquired
Jan. 29, 2018	RLI	Stock Option	Common Stock (3,200)	—	May 2, 2021	3,200	Disposed
Nov. 15, 2017	RLI	Stock Option	Common Stock (5,600)	—	May 3, 2020	5,600	Disposed
Nov. 15, 2017	RLI	Stock Option	Common Stock (4,000)	—	Feb. 1, 2020	4,000	Disposed
May 4, 2017	RLI	Restricted Stock Unit	Common Stock (300)	—	—	300	Acquired
May 4, 2017	RLI	Stock Option	Common Stock (11,000)	$56.71	May 4, 2025	11,000	Acquired
May 5, 2016	RLI	Stock Option	Common Stock (9,000)	$64.09	May 5, 2024	9,000	Acquired
Oct. 22, 2015	RLI	Stock Option	Common Stock (8,400)	—	May 3, 2020	8,400	Disposed
Oct. 22, 2015	RLI	Stock Option	Common Stock (6,000)	—	Feb. 1, 2020	6,000	Disposed
May 7, 2015	RLI	Stock Option	Common Stock (12,000)	$49.61	May 7, 2023	12,000	Acquired
May 1, 2014	RLI	Stock Option	Common Stock (12,000)	$43.21	May 1, 2022	12,000	Acquired
May 2, 2013	RLI	Stock Option	Common Stock (8,000)	$71.84	May 2, 2021	8,000	Acquired
May 3, 2012	RLI	Stock Option	Common Stock (7,000)	$68.70	May 3, 2020	7,000	Acquired
Feb. 1, 2012	RLI	Stock Option	Common Stock (0)	$72.61	Feb. 1, 2020	5,000	Acquired

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