Kees Van Der Graaf

Insider

First SEC filing: Feb. 6, 2013 · Latest: Feb. 6, 2013

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.

Insider at

NPO selling Feb. 29, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 51 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

51 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 20, 2024	NPO	A	28	$159.77	$4,474	18,856 Direct	+0.15%	Acquired	102.8% (price as of 2026-08-19)
Feb. 29, 2024	NPO	S	1,200	$160.01	$192,012	0 Direct	-100.00%	Disposed	102.5% (price as of 2026-08-19)
Feb. 15, 2024	NPO	A	269	$155.66	$41,873	18,828 Direct	+1.45%	Acquired	108.2% (price as of 2026-08-19)
Dec. 13, 2023	NPO	A	31	$140.49	$4,355	18,559 Direct	+0.17%	Acquired	130.7% (price as of 2026-08-19)
Sept. 13, 2023	NPO	A	35	$123.90	$4,336	18,528 Direct	+0.19%	Acquired	161.5% (price as of 2026-08-19)
June 14, 2023	NPO	A	35	$125.72	$4,400	18,493 Direct	+0.19%	Acquired	157.8% (price as of 2026-08-19)
March 15, 2023	NPO	A	45	$95.94	$4,317	18,458 Direct	+0.24%	Acquired	237.8% (price as of 2026-08-19)
Feb. 16, 2023	NPO	A	942	$116.69	$109,922	18,413 Direct	+5.39%	Acquired	177.7% (price as of 2026-08-19)
Dec. 14, 2022	NPO	A	38	$107.94	$4,102	17,471 Direct	+0.22%	Acquired	200.2% (price as of 2026-08-19)
Sept. 14, 2022	NPO	A	54	$90.25	$4,874	17,433 Direct	+0.31%	Acquired	259.1% (price as of 2026-08-19)
June 15, 2022	NPO	A	55	$87.50	$4,812	17,379 Direct	+0.32%	Acquired	270.4% (price as of 2026-08-19)
March 16, 2022	NPO	A	39	$106.51	$4,154	17,324 Direct	+0.23%	Acquired	204.3% (price as of 2026-08-19)
Feb. 15, 2022	NPO	A	1,041	$105.64	$109,971	17,285 Direct	+6.41%	Acquired	206.8% (price as of 2026-08-19)
Feb. 15, 2022	NPO	A	1,041	$105.64	$109,971	2,241 Direct	+86.75%	Acquired	206.8% (price as of 2026-08-19)
Dec. 15, 2021	NPO	A	37	$108.31	$4,007	16,244 Direct	+0.23%	Acquired	199.2% (price as of 2026-08-19)
Sept. 15, 2021	NPO	A	48	$82.96	$3,982	16,207 Direct	+0.30%	Acquired	290.6% (price as of 2026-08-19)
June 16, 2021	NPO	A	40	$98.35	$3,934	16,159 Direct	+0.25%	Acquired	229.5% (price as of 2026-08-19)
March 17, 2021	NPO	A	43	$91.41	$3,931	16,119 Direct	+0.27%	Acquired	254.5% (price as of 2026-08-19)
Feb. 16, 2021	NPO	A	1,432	$76.82	$110,006	16,076 Direct	+9.78%	Acquired	321.8% (price as of 2026-08-19)
Dec. 16, 2020	NPO	A	51	$73.91	$3,769	14,644 Direct	+0.35%	Acquired	338.5% (price as of 2026-08-19)
Sept. 16, 2020	NPO	A	66	$57.46	$3,792	14,593 Direct	+0.45%	Acquired	464.0% (price as of 2026-08-19)
June 17, 2020	NPO	A	82	$45.52	$3,733	14,527 Direct	+0.57%	Acquired	611.9% (price as of 2026-08-19)
March 18, 2020	NPO	A	114	$32.58	$3,714	14,445 Direct	+0.80%	Acquired	894.7% (price as of 2026-08-19)
Feb. 18, 2020	NPO	A	1,799	$61.14	$109,991	14,331 Direct	+14.36%	Acquired	430.0% (price as of 2026-08-19)
Dec. 18, 2019	NPO	A	46	$67.44	$3,102	12,532 Direct	+0.37%	Acquired	380.5% (price as of 2026-08-19)
Sept. 18, 2019	NPO	A	45	$69.22	$3,115	12,486 Direct	+0.36%	Acquired	368.2% (price as of 2026-08-19)
June 19, 2019	NPO	A	49	$63.87	$3,130	12,441 Direct	+0.40%	Acquired	407.4% (price as of 2026-08-19)
March 20, 2019	NPO	A	46	$66.59	$3,063	12,392 Direct	+0.37%	Acquired	386.6% (price as of 2026-08-19)
Feb. 12, 2019	NPO	A	1,687	$65.23	$110,043	12,346 Direct	+15.83%	Acquired	396.8% (price as of 2026-08-19)
Dec. 19, 2018	NPO	A	43	$59.08	$2,540	10,659 Direct	+0.41%	Acquired	448.5% (price as of 2026-08-19)
Sept. 19, 2018	NPO	A	33	$76.65	$2,529	10,616 Direct	+0.31%	Acquired	322.8% (price as of 2026-08-19)
June 20, 2018	NPO	A	35	$73.21	$2,562	10,583 Direct	+0.33%	Acquired	342.6% (price as of 2026-08-19)
March 21, 2018	NPO	A	32	$79.10	$2,531	10,548 Direct	+0.30%	Acquired	309.7% (price as of 2026-08-19)
Feb. 12, 2018	NPO	A	1,176	$80.78	$94,997	10,516 Direct	+12.59%	Acquired	301.2% (price as of 2026-08-19)
Dec. 20, 2017	NPO	A	22	$93.39	$2,055	9,340 Direct	+0.24%	Acquired	247.0% (price as of 2026-08-19)
Sept. 20, 2017	NPO	A	27	$75.60	$2,041	9,318 Direct	+0.29%	Acquired	328.7% (price as of 2026-08-19)
June 15, 2017	NPO	A	29	$70.54	$2,046	9,291 Direct	+0.31%	Acquired	359.4% (price as of 2026-08-19)
March 15, 2017	NPO	A	30	$66.99	$2,010	9,262 Direct	+0.32%	Acquired	383.7% (price as of 2026-08-19)
Feb. 13, 2017	NPO	A	1,399	$67.91	$95,006	9,232 Direct	+17.86%	Acquired	377.2% (price as of 2026-08-19)
Dec. 15, 2016	NPO	A	25	$65.97	$1,649	7,833 Direct	+0.32%	Acquired	391.2% (price as of 2026-08-19)
Sept. 15, 2016	NPO	A	30	$55.03	$1,651	7,808 Direct	+0.39%	Acquired	488.9% (price as of 2026-08-19)
June 15, 2016	NPO	A	34	$47.46	$1,614	7,778 Direct	+0.44%	Acquired	582.8% (price as of 2026-08-19)
May 9, 2016	NPO	P	1,200	$46.82	$56,184	1,200 Direct	—	Acquired	592.1% (price as of 2026-08-19)
March 23, 2016	NPO	A	29	$56.76	$1,646	7,744 Direct	+0.38%	Acquired	470.9% (price as of 2026-08-19)
Feb. 23, 2016	NPO	A	2,030	$44.34	$90,010	7,715 Direct	+35.71%	Acquired	630.9% (price as of 2026-08-19)
Dec. 14, 2015	NPO	A	25	$44.72	$1,118	5,685 Direct	+0.44%	Acquired	624.6% (price as of 2026-08-19)
Sept. 14, 2015	NPO	A	26	$43.04	$1,119	5,660 Direct	+0.46%	Acquired	652.9% (price as of 2026-08-19)
June 15, 2015	NPO	A	19	$59.71	$1,134	5,634 Direct	+0.34%	Acquired	442.7% (price as of 2026-08-19)
March 16, 2015	NPO	A	16	$68.14	$1,090	5,615 Direct	+0.29%	Acquired	375.6% (price as of 2026-08-19)
Feb. 19, 2015	NPO	A	1,395	$64.54	$90,033	5,599 Direct	+33.18%	Acquired	402.1% (price as of 2026-08-19)
Feb. 5, 2014	NPO	A	1,251	$71.97	$90,034	4,204 Direct	+42.36%	Acquired	350.3% (price as of 2026-08-19)
Feb. 5, 2013	NPO	A	1,684	$44.54	$75,005	2,953 Direct	+132.70%	Acquired	627.6% (price as of 2026-08-19)
July 31, 2012	NPO	A	1,269	$34.49	$43,768	1,269 Direct	—	Acquired	839.6% (price as of 2026-08-19)

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 20, 2024	NPO	Phantom Stock	Common Stock (28)	—	—	28	Acquired
Feb. 15, 2024	NPO	Phantom Stock	Common Stock (269)	—	—	269	Acquired
Dec. 13, 2023	NPO	Phantom Stock	Common Stock (31)	—	—	31	Acquired
Sept. 13, 2023	NPO	Phantom Stock	Common Stock (35)	—	—	35	Acquired
June 14, 2023	NPO	Phantom Stock	Common Stock (35)	—	—	35	Acquired
March 15, 2023	NPO	Phantom Stock	Common Stock (45)	—	—	45	Acquired
Feb. 16, 2023	NPO	Phantom Stock	Common Stock (942)	—	—	942	Acquired
Dec. 14, 2022	NPO	Phantom Stock	Common Stock (38)	—	—	38	Acquired
Sept. 14, 2022	NPO	Phantom Stock	Common Stock (54)	—	—	54	Acquired
June 15, 2022	NPO	Phantom Stock	Common Stock (55)	—	—	55	Acquired
March 16, 2022	NPO	Phantom Stock	Common Stock (39)	—	—	39	Acquired
Feb. 15, 2022	NPO	Phantom Stock	Common Stock (1,041)	—	—	1,041	Acquired
Dec. 15, 2021	NPO	Phantom Stock	Common Stock (37)	—	—	37	Acquired
Sept. 15, 2021	NPO	Phantom Stock	Common Stock (48)	—	—	48	Acquired
June 16, 2021	NPO	Phantom Stock	Common Stock (40)	—	—	40	Acquired
March 17, 2021	NPO	Phantom Stock	Common Stock (43)	—	—	43	Acquired
Feb. 16, 2021	NPO	Phantom Stock	Common Stock (1,432)	—	—	1,432	Acquired
Dec. 16, 2020	NPO	Phantom Stock	Common Stock (51)	—	—	51	Acquired
Sept. 16, 2020	NPO	Phantom Stock	Common Stock (66)	—	—	66	Acquired
June 17, 2020	NPO	Phantom Stock	Common Stock (82)	—	—	82	Acquired
March 18, 2020	NPO	Phantom Stock	Common Stock (114)	—	—	114	Acquired
Feb. 18, 2020	NPO	Phantom Stock	Common Stock (1,799)	—	—	1,799	Acquired
Dec. 18, 2019	NPO	Phantom Stock	Common Stock (46)	—	—	46	Acquired
Sept. 18, 2019	NPO	Phantom Stock	Common Stock (45)	—	—	45	Acquired
June 19, 2019	NPO	Phantom Stock	Common Stock (49)	—	—	49	Acquired
March 20, 2019	NPO	Phantom Stock	Common Stock (46)	—	—	46	Acquired
Feb. 12, 2019	NPO	Phantom Stock	Common Stock (1,687)	—	—	1,687	Acquired
Dec. 19, 2018	NPO	Phantom Stock	Common Stock (43)	—	—	43	Acquired
Sept. 19, 2018	NPO	Phantom Stock	Common Stock (33)	—	—	33	Acquired
June 20, 2018	NPO	Phantom Stock	Common Stock (35)	—	—	35	Acquired
March 21, 2018	NPO	Phantom Stock	Common Stock (32)	—	—	32	Acquired
Feb. 12, 2018	NPO	Phantom Stock	Common Stock (1,176)	—	—	1,176	Acquired
Dec. 20, 2017	NPO	Phantom Stock	Common Stock (22)	—	—	22	Acquired
Sept. 20, 2017	NPO	Phantom Stock	Common Stock (27)	—	—	27	Acquired
June 15, 2017	NPO	Phantom Stock	Common Stock (29)	—	—	29	Acquired
March 15, 2017	NPO	Phantom Stock	Common Stock (30)	—	—	30	Acquired
Feb. 13, 2017	NPO	Phantom Stock	Common Stock (1,399)	—	—	1,399	Acquired
Dec. 15, 2016	NPO	Phantom Stock	Common Stock (25)	—	—	25	Acquired
Sept. 15, 2016	NPO	Phantom Stock	Common Stock (30)	—	—	30	Acquired
June 15, 2016	NPO	Phantom Stock	Common Stock (34)	—	—	34	Acquired
March 23, 2016	NPO	Phantom Stock	Common Stock (29)	—	—	29	Acquired
Feb. 23, 2016	NPO	Phantom Stock	Common Stock (2,030)	—	—	2,030	Acquired
Dec. 14, 2015	NPO	Phantom Stock	Common Stock (25)	—	—	25	Acquired
Sept. 14, 2015	NPO	Phantom Stock	Common Stock (26)	—	—	26	Acquired
June 15, 2015	NPO	Phantom Stock	Common Stock (19)	—	—	19	Acquired
March 16, 2015	NPO	Phantom Stock	Common Stock (16)	—	—	16	Acquired
Feb. 19, 2015	NPO	Phantom Stock	Common Stock (1,395)	—	—	1,395	Acquired
Feb. 5, 2014	NPO	Phantom Stock	Common Stock (1,251)	—	—	1,251	Acquired
Feb. 5, 2013	NPO	Phantom Stock	Common Stock (1,684)	—	—	1,684	Acquired
July 31, 2012	NPO	Phantom Stock	Common Stock (1,269)	—	—	1,269	Acquired

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