Ronald J Oscher

Insider

First SEC filing: Nov. 6, 2014 · Latest: Nov. 6, 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

AME selling Oct. 31, 2025

Insider transactions

0 buys (P) 1 sells (S) Net: $-5,259,314 + 91 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

91 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 27, 2026	AME	J	39,954	—	—	2,887 Direct	-93.26%	Disposed	(price as of 2026-08-20)
May 27, 2026	AME	J	39,954	—	—	39,954 Indirect	—	Acquired	(price as of 2026-08-20)
March 22, 2026	AME	F	266	$209.37	$55,692	42,841 Direct	-0.62%	Disposed	14.6% (price as of 2026-08-20)
March 19, 2026	AME	F	169	$211.50	$35,744	43,107 Direct	-0.39%	Disposed	13.5% (price as of 2026-08-20)
March 18, 2026	AME	A	4,110	—	—	4,110 Direct	—	Acquired	(price as of 2026-08-20)
March 18, 2026	AME	F	229	$212.77	$48,724	43,276 Direct	-0.53%	Disposed	12.8% (price as of 2026-08-20)
March 18, 2026	AME	A	1,300	$212.77	$276,601	43,505 Direct	+3.08%	Acquired	12.8% (price as of 2026-08-20)
Feb. 17, 2026	AME	F	776	$233.33	$181,064	42,205 Direct	-1.81%	Disposed	2.9% (price as of 2026-08-20)
Feb. 17, 2026	AME	A	2,755	—	—	42,981 Direct	+6.85%	Acquired	(price as of 2026-08-20)
Feb. 17, 2026	AME	J	6	—	—	916 Indirect	+0.66%	Acquired	(price as of 2026-08-20)
Feb. 17, 2026	AME	J	32	—	—	4,897 Direct	+0.66%	Acquired	(price as of 2026-08-20)
Oct. 31, 2025	AME	M	14,310	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 31, 2025	AME	M	11,980	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 31, 2025	AME	S	26,290	$200.05	$5,259,314	40,226 Direct	-39.52%	Disposed	20.0% (price as of 2026-08-20)
Oct. 31, 2025	AME	M	11,980	$85.45	$1,023,691	66,516 Direct	+21.97%	Acquired	180.9% (price as of 2026-08-20)
Oct. 31, 2025	AME	M	14,310	$63.37	$906,825	54,536 Direct	+35.57%	Acquired	278.8% (price as of 2026-08-20)
March 22, 2025	AME	F	265	$174.52	$46,248	40,226 Direct	-0.65%	Disposed	37.5% (price as of 2026-08-20)
March 21, 2025	AME	F	314	$174.52	$54,799	40,491 Direct	-0.77%	Disposed	37.5% (price as of 2026-08-20)
March 19, 2025	AME	F	158	$177.07	$27,977	40,805 Direct	-0.39%	Disposed	35.6% (price as of 2026-08-20)
March 18, 2025	AME	A	5,330	—	—	5,330 Direct	—	Acquired	(price as of 2026-08-20)
March 18, 2025	AME	A	1,740	$176.08	$306,379	40,963 Direct	+4.44%	Acquired	36.3% (price as of 2026-08-20)
Feb. 20, 2025	AME	J	31	—	—	4,865 Direct	+0.64%	Acquired	(price as of 2026-08-20)
Feb. 20, 2025	AME	J	6	—	—	910 Indirect	+0.66%	Acquired	(price as of 2026-08-20)
Feb. 20, 2025	AME	F	853	$188.78	$161,029	39,223 Direct	-2.13%	Disposed	27.1% (price as of 2026-08-20)
Feb. 20, 2025	AME	A	3,499	—	—	40,076 Direct	+9.57%	Acquired	(price as of 2026-08-20)
March 22, 2024	AME	F	265	$183.15	$48,535	36,577 Direct	-0.72%	Disposed	31.1% (price as of 2026-08-20)
March 21, 2024	AME	F	314	$184.91	$58,062	36,842 Direct	-0.85%	Disposed	29.8% (price as of 2026-08-20)
March 19, 2024	AME	A	3,880	—	—	3,880 Direct	—	Acquired	(price as of 2026-08-20)
March 19, 2024	AME	A	1,280	$181.93	$232,870	37,156 Direct	+3.57%	Acquired	31.9% (price as of 2026-08-20)
March 11, 2024	AME	F	310	$180.86	$56,067	35,876 Direct	-0.86%	Disposed	32.7% (price as of 2026-08-20)
Feb. 22, 2024	AME	J	31	—	—	4,834 Direct	+0.65%	Acquired	(price as of 2026-08-20)
Feb. 22, 2024	AME	J	5	—	—	904 Indirect	+0.56%	Acquired	(price as of 2026-08-20)
Feb. 22, 2024	AME	F	1,631	$178.21	$290,661	36,186 Direct	-4.31%	Disposed	34.7% (price as of 2026-08-20)
Feb. 22, 2024	AME	A	4,143	—	—	37,817 Direct	+12.30%	Acquired	(price as of 2026-08-20)
Feb. 9, 2024	AME	M	16,210	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 9, 2024	AME	S	16,210	$168.21	$2,726,684	33,674 Direct	-32.50%	Disposed	42.7% (price as of 2026-08-20)
Feb. 9, 2024	AME	M	16,210	$73.45	$1,190,624	49,884 Direct	+48.14%	Acquired	226.8% (price as of 2026-08-20)
March 22, 2023	AME	A	6,490	—	—	6,490 Direct	—	Acquired	(price as of 2026-08-20)
March 22, 2023	AME	A	2,020	$138.46	$279,689	33,674 Direct	+6.38%	Acquired	73.3% (price as of 2026-08-20)
March 21, 2023	AME	F	314	$140.07	$43,982	31,654 Direct	-0.98%	Disposed	71.4% (price as of 2026-08-20)
March 20, 2023	AME	F	416	$138.54	$57,633	31,968 Direct	-1.28%	Disposed	73.2% (price as of 2026-08-20)
March 13, 2023	AME	F	310	$135.35	$41,958	32,384 Direct	-0.95%	Disposed	77.3% (price as of 2026-08-20)
Feb. 21, 2023	AME	F	1,912	$143.00	$273,416	32,694 Direct	-5.53%	Disposed	67.8% (price as of 2026-08-20)
Feb. 21, 2023	AME	A	6,043	—	—	34,606 Direct	+21.16%	Acquired	(price as of 2026-08-20)
Feb. 15, 2023	AME	J	6	—	—	899 Indirect	+0.67%	Acquired	(price as of 2026-08-20)
Feb. 15, 2023	AME	J	35	—	—	4,803 Direct	+0.73%	Acquired	(price as of 2026-08-20)
Feb. 15, 2023	AME	S	6,500	$145.28	$944,320	28,563 Direct	-18.54%	Disposed	65.2% (price as of 2026-08-20)
May 9, 2022	AME	F	343	$121.84	$41,791	35,063 Direct	-0.97%	Disposed	97.0% (price as of 2026-08-20)
March 21, 2022	AME	A	8,650	—	—	8,650 Direct	—	Acquired	(price as of 2026-08-20)
March 21, 2022	AME	F	416	$134.69	$56,031	35,406 Direct	-1.16%	Disposed	78.2% (price as of 2026-08-20)
March 21, 2022	AME	A	2,390	$134.69	$321,909	35,822 Direct	+7.15%	Acquired	78.2% (price as of 2026-08-20)
March 11, 2022	AME	F	310	$126.34	$39,165	33,432 Direct	-0.92%	Disposed	90.0% (price as of 2026-08-20)
Feb. 22, 2022	AME	J	5	—	—	893 Indirect	+0.56%	Acquired	(price as of 2026-08-20)
Feb. 22, 2022	AME	J	28	—	—	4,768 Direct	+0.59%	Acquired	(price as of 2026-08-20)
Feb. 22, 2022	AME	F	2,077	$127.44	$264,693	33,742 Direct	-5.80%	Disposed	88.3% (price as of 2026-08-20)
Feb. 22, 2022	AME	A	6,230	—	—	35,819 Direct	+21.06%	Acquired	(price as of 2026-08-20)
June 3, 2021	AME	M	25,970	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 3, 2021	AME	M	13,680	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 3, 2021	AME	S	39,650	$136.76	$5,422,534	29,589 Direct	-57.27%	Disposed	75.5% (price as of 2026-08-20)
June 3, 2021	AME	M	25,970	$60.30	$1,565,991	69,239 Direct	+60.02%	Acquired	298.0% (price as of 2026-08-20)
June 3, 2021	AME	M	13,680	$46.96	$642,413	43,269 Direct	+46.23%	Acquired	411.1% (price as of 2026-08-20)
May 10, 2021	AME	F	961	$137.09	$131,743	29,589 Direct	-3.15%	Disposed	75.1% (price as of 2026-08-20)
March 29, 2021	AME	M	13,000	—	—	13,680 Direct	-48.73%	Disposed	(price as of 2026-08-20)
March 29, 2021	AME	S	13,000	$126.77	$1,648,010	30,550 Direct	-29.85%	Disposed	89.3% (price as of 2026-08-20)
March 29, 2021	AME	M	13,000	$46.96	$610,480	43,550 Direct	+42.55%	Acquired	411.1% (price as of 2026-08-20)
March 22, 2021	AME	F	490	$122.89	$60,216	30,550 Direct	-1.58%	Disposed	95.3% (price as of 2026-08-20)
March 11, 2021	AME	A	9,480	—	—	9,480 Direct	—	Acquired	(price as of 2026-08-20)
March 11, 2021	AME	A	2,360	$121.91	$287,708	31,040 Direct	+8.23%	Acquired	96.9% (price as of 2026-08-20)
Feb. 18, 2021	AME	F	1,508	$118.95	$179,377	28,680 Direct	-5.00%	Disposed	101.8% (price as of 2026-08-20)
Feb. 18, 2021	AME	A	3,268	—	—	30,188 Direct	+12.14%	Acquired	(price as of 2026-08-20)
Jan. 12, 2021	AME	F	1,929	$124.12	$239,427	26,920 Direct	-6.69%	Disposed	93.4% (price as of 2026-08-20)
Jan. 12, 2021	AME	J	2	$124.12	$248	888 Indirect	+0.23%	Acquired	93.4% (price as of 2026-08-20)
Jan. 12, 2021	AME	J	12	$124.12	$1,489	4,740 Direct	+0.25%	Acquired	93.4% (price as of 2026-08-20)
Aug. 17, 2020	AME	M	8,110	$52.27	$423,910	36,959 Direct	+28.11%	Acquired	359.2% (price as of 2026-08-20)
Aug. 17, 2020	AME	S	8,110	$101.57	$823,733	28,849 Direct	-21.94%	Disposed	136.3% (price as of 2026-08-20)
Aug. 17, 2020	AME	M	8,110	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 5, 2020	AME	M	8,000	—	—	8,110 Direct	-49.66%	Disposed	(price as of 2026-08-20)
Aug. 5, 2020	AME	S	8,000	$96.19	$769,520	28,849 Direct	-21.71%	Disposed	149.5% (price as of 2026-08-20)
Aug. 5, 2020	AME	M	8,000	$52.27	$418,160	36,849 Direct	+27.73%	Acquired	359.2% (price as of 2026-08-20)
May 11, 2020	AME	F	273	$83.42	$22,774	28,849 Direct	-0.94%	Disposed	187.7% (price as of 2026-08-20)
May 8, 2020	AME	J	2	—	—	886 Indirect	+0.23%	Acquired	(price as of 2026-08-20)
May 8, 2020	AME	J	9	—	—	4,728 Direct	+0.19%	Acquired	(price as of 2026-08-20)
May 8, 2020	AME	F	377	$84.32	$31,789	29,122 Direct	-1.28%	Disposed	184.7% (price as of 2026-08-20)
March 20, 2020	AME	A	14,310	—	—	14,310 Direct	—	Acquired	(price as of 2026-08-20)
March 20, 2020	AME	A	3,170	$63.37	$200,883	29,499 Direct	+12.04%	Acquired	278.8% (price as of 2026-08-20)
Feb. 13, 2020	AME	J	3	—	—	882 Indirect	+0.34%	Acquired	(price as of 2026-08-20)
Feb. 13, 2020	AME	J	11	$101.44	$1,116	4,705 Direct	+0.23%	Acquired	136.6% (price as of 2026-08-20)
Dec. 20, 2019	AME	M	5,000	—	—	16,110 Direct	-23.69%	Disposed	(price as of 2026-08-20)
Dec. 20, 2019	AME	J	7	—	—	4,694 Direct	+0.15%	Acquired	(price as of 2026-08-20)
Dec. 20, 2019	AME	S	5,000	$99.73	$498,650	26,329 Direct	-15.96%	Disposed	140.7% (price as of 2026-08-20)
Dec. 20, 2019	AME	M	5,000	$52.27	$261,350	31,329 Direct	+18.99%	Acquired	359.2% (price as of 2026-08-20)
Nov. 7, 2019	AME	F	2,617	$96.20	$251,755	26,329 Direct	-9.04%	Disposed	149.5% (price as of 2026-08-20)
Nov. 5, 2019	AME	M	12,100	$53.13	$642,873	41,046 Direct	+41.80%	Acquired	351.8% (price as of 2026-08-20)
Nov. 5, 2019	AME	M	12,100	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 5, 2019	AME	J	14	—	—	4,687 Direct	+0.30%	Acquired	(price as of 2026-08-20)
Nov. 5, 2019	AME	S	12,100	$96.37	$1,166,077	28,946 Direct	-29.48%	Disposed	149.1% (price as of 2026-08-20)
May 9, 2019	AME	A	11,980	—	—	11,980 Direct	—	Acquired	(price as of 2026-08-20)
May 9, 2019	AME	A	2,610	$85.45	$223,024	28,946 Direct	+9.91%	Acquired	180.9% (price as of 2026-08-20)
May 8, 2019	AME	F	510	$85.49	$43,600	26,336 Direct	-1.90%	Disposed	180.8% (price as of 2026-08-20)
May 6, 2019	AME	J	8	—	—	4,673 Direct	+0.17%	Acquired	(price as of 2026-08-20)

Showing latest 100 of 133 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 18, 2026	AME	Stock Option	Common Stock (4,110)	$212.77	March 18, 2036	4,110	Acquired
Oct. 31, 2025	AME	Stock Option	Common Stock (14,310)	$63.37	March 20, 2030	14,310	Disposed
Oct. 31, 2025	AME	Stock Option	Common Stock (11,980)	$85.45	May 9, 2029	11,980	Disposed
March 18, 2025	AME	Stock Option	Common Stock (5,330)	$176.08	March 18, 2035	5,330	Acquired
March 19, 2024	AME	Stock Option	Common Stock (3,880)	$181.93	March 19, 2034	3,880	Acquired
Feb. 9, 2024	AME	Stock Option	Common Stock (16,210)	$73.45	May 7, 2028	16,210	Disposed
March 22, 2023	AME	Stock Option	Common Stock (6,490)	$138.46	March 22, 2033	6,490	Acquired
March 21, 2022	AME	Stock Option	Common Stock (8,650)	$134.69	March 21, 2032	8,650	Acquired
June 3, 2021	AME	Stock Option	Common Stock (25,970)	$60.30	May 8, 2024	25,970	Disposed
June 3, 2021	AME	Stock Option	Common Stock (13,680)	$46.96	May 3, 2023	13,680	Disposed
March 29, 2021	AME	Stock Option	Common Stock (13,000)	$46.96	May 3, 2023	13,000	Disposed
March 11, 2021	AME	Stock Option	Common Stock (9,480)	$121.91	March 11, 2031	9,480	Acquired
Aug. 17, 2020	AME	Stock Option	Common Stock (8,110)	$52.27	May 5, 2022	8,110	Disposed
Aug. 5, 2020	AME	Stock Option	Common Stock (8,000)	$52.27	May 5, 2022	8,000	Disposed
March 20, 2020	AME	Stock Option	Common Stock (14,310)	$63.37	March 20, 2030	14,310	Acquired
Dec. 20, 2019	AME	Stock Option	Common Stock (5,000)	$52.27	May 5, 2022	5,000	Disposed
Nov. 5, 2019	AME	Stock Option	Common Stock (12,100)	$53.13	May 7, 2021	12,100	Disposed
May 9, 2019	AME	Stock Option	Common Stock (11,980)	$85.45	May 9, 2029	11,980	Acquired
March 11, 2019	AME	Stock Option	Common Stock (13,990)	$41.74	May 7, 2020	13,990	Disposed
May 8, 2018	AME	Stock Option	Common Stock (16,210)	$73.45	May 7, 2028	16,210	Acquired
Feb. 15, 2018	AME	Stock Option	Common Stock (14,976)	$34.05	April 30, 2019	14,976	Disposed
May 19, 2017	AME	Stock Option	Common Stock (5,315)	$29.83	May 2, 2018	5,315	Disposed
May 9, 2017	AME	Stock Option	Common Stock (25,970)	$60.30	May 8, 2024	25,970	Acquired
May 4, 2016	AME	Stock Option	Common Stock (26,680)	$46.96	May 3, 2023	26,680	Acquired
May 6, 2015	AME	Stock Option	Common Stock (21,110)	$52.27	May 5, 2022	21,110	Acquired

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

Initial ownership (Form 3) 7 holdings

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

Date	Ticker	Security	Shares	Ownership
Nov. 6, 2014	AME	401k Plan	856	Indirect
Nov. 6, 2014	AME	Common Stock	15,964	Direct
Nov. 6, 2014	AME	Common Stock/serp	1,881	Direct
Nov. 6, 2014	AME	Stock Option→ Common Stock (5,315)	5,315	Direct
Nov. 6, 2014	AME	Stock Option→ Common Stock (14,976)	14,976	Direct
Nov. 6, 2014	AME	Stock Option→ Common Stock (13,990)	13,990	Direct
Nov. 6, 2014	AME	Stock Option→ Common Stock (12,100)	12,100	Direct