Robert A. Klosterboer

Insider

First SEC filing: Nov. 23, 2011 · Latest: Nov. 23, 2011

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

ON selling March 14, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 77 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

77 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 14, 2018	ON	S 10b5-1	16,249	$25.88	$420,524	363,030 Direct	-4.28%	Disposed	190.1% (price as of 2026-08-20)
March 7, 2018	ON	F	10,445	$25.76	$269,063	379,279 Direct	-2.68%	Disposed	191.4% (price as of 2026-08-20)
March 6, 2018	ON	F	3,861	$25.47	$98,340	389,724 Direct	-0.98%	Disposed	194.8% (price as of 2026-08-20)
March 5, 2018	ON	A	24,530	$24.46	$600,004	393,585 Direct	+6.65%	Acquired	206.9% (price as of 2026-08-20)
March 2, 2018	ON	F	3,349	$24.43	$81,816	372,508 Direct	-0.89%	Disposed	207.3% (price as of 2026-08-20)
March 2, 2018	ON	F	3,453	$24.43	$84,357	369,055 Direct	-0.93%	Disposed	207.3% (price as of 2026-08-20)
Feb. 20, 2018	ON	S	18,713	$23.21	$434,329	375,857 Direct	-4.74%	Disposed	223.5% (price as of 2026-08-20)
Jan. 9, 2018	ON	S 10b5-1	15,278	$22.75	$347,574	394,570 Direct	-3.73%	Disposed	230.0% (price as of 2026-08-20)
Nov. 10, 2017	ON	M	27,937	$8.40	$234,671	437,785 Direct	+6.82%	Acquired	793.7% (price as of 2026-08-20)
Nov. 10, 2017	ON	S	27,937	$21.52	$601,204	409,848 Direct	-6.38%	Disposed	248.9% (price as of 2026-08-20)
Nov. 10, 2017	ON	M	27,937	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 24, 2017	ON	S 10b5-1	16,325	$20.23	$330,255	409,848 Direct	-3.83%	Disposed	271.1% (price as of 2026-08-20)
Aug. 7, 2017	ON	A	133,186	—	—	457,506 Direct	+41.07%	Acquired	(price as of 2026-08-20)
Aug. 7, 2017	ON	F	31,333	$16.33	$511,668	426,173 Direct	-6.85%	Disposed	359.7% (price as of 2026-08-20)
June 20, 2017	ON	S 10b5-1	10,000	$15.40	$154,000	324,320 Direct	-2.99%	Disposed	387.5% (price as of 2026-08-20)
May 4, 2017	ON	S 10b5-1	10,000	$14.04	$140,400	334,320 Direct	-2.90%	Disposed	434.7% (price as of 2026-08-20)
March 14, 2017	ON	S 10b5-1	10,000	$15.10	$151,000	344,320 Direct	-2.82%	Disposed	397.2% (price as of 2026-08-20)
March 7, 2017	ON	F	10,445	$15.29	$159,704	354,320 Direct	-2.86%	Disposed	391.0% (price as of 2026-08-20)
March 6, 2017	ON	A	39,319	—	—	364,765 Direct	+12.08%	Acquired	(price as of 2026-08-20)
March 3, 2017	ON	F	4,628	$15.21	$70,392	335,182 Direct	-1.36%	Disposed	393.6% (price as of 2026-08-20)
March 3, 2017	ON	F	9,736	$15.21	$148,085	325,446 Direct	-2.90%	Disposed	393.6% (price as of 2026-08-20)
March 2, 2017	ON	F	3,620	$15.16	$54,879	339,810 Direct	-1.05%	Disposed	395.2% (price as of 2026-08-20)
Feb. 21, 2017	ON	M	30,000	$8.40	$252,000	373,430 Direct	+8.74%	Acquired	793.7% (price as of 2026-08-20)
Feb. 21, 2017	ON	S	30,000	$15.85	$475,500	343,430 Direct	-8.03%	Disposed	373.7% (price as of 2026-08-20)
Feb. 21, 2017	ON	M	30,000	—	—	27,937 Direct	-51.78%	Disposed	(price as of 2026-08-20)
Dec. 15, 2016	ON	S 10b5-1	10,000	$12.57	$125,700	343,430 Direct	-2.83%	Disposed	497.3% (price as of 2026-08-20)
Nov. 10, 2016	ON	S	10,000	$11.34	$113,400	353,430 Direct	-2.75%	Disposed	562.0% (price as of 2026-08-20)
Aug. 9, 2016	ON	F	3,690	$10.11	$37,306	363,430 Direct	-1.01%	Disposed	642.6% (price as of 2026-08-20)
Aug. 8, 2016	ON	A	22,739	—	—	367,120 Direct	+6.60%	Acquired	(price as of 2026-08-20)
March 25, 2016	ON	F	8,158	$9.39	$76,604	344,381 Direct	-2.31%	Disposed	699.5% (price as of 2026-08-20)
March 25, 2016	ON	F	5,221	$9.39	$49,025	352,539 Direct	-1.46%	Disposed	699.5% (price as of 2026-08-20)
March 7, 2016	ON	A	66,593	—	—	357,760 Direct	+22.87%	Acquired	(price as of 2026-08-20)
March 3, 2016	ON	F	9,255	$8.94	$82,740	291,167 Direct	-3.08%	Disposed	739.8% (price as of 2026-08-20)
March 3, 2016	ON	F	4,628	$8.93	$41,328	300,422 Direct	-1.52%	Disposed	740.7% (price as of 2026-08-20)
March 2, 2016	ON	F	3,642	$8.82	$32,122	305,050 Direct	-1.18%	Disposed	751.2% (price as of 2026-08-20)
July 8, 2015	ON	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 8, 2015	ON	S 10b5-1	15,000	$11.07	$166,050	308,692 Direct	-4.63%	Disposed	578.2% (price as of 2026-08-20)
July 8, 2015	ON	M	15,000	$6.83	$102,450	323,692 Direct	+4.86%	Acquired	999.2% (price as of 2026-08-20)
April 15, 2015	ON	M	15,000	—	—	15,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
April 15, 2015	ON	S 10b5-1	15,000	$11.74	$176,100	308,692 Direct	-4.63%	Disposed	539.5% (price as of 2026-08-20)
April 15, 2015	ON	M	15,000	$6.83	$102,450	323,692 Direct	+4.86%	Acquired	999.2% (price as of 2026-08-20)
March 25, 2015	ON	F	10,038	$11.90	$119,452	308,692 Direct	-3.15%	Disposed	530.9% (price as of 2026-08-20)
March 25, 2015	ON	F	7,570	$11.90	$90,083	318,730 Direct	-2.32%	Disposed	530.9% (price as of 2026-08-20)
March 5, 2015	ON	F	3,134	$13.04	$40,867	326,300 Direct	-0.95%	Disposed	475.7% (price as of 2026-08-20)
March 3, 2015	ON	F	4,628	$12.87	$59,562	329,434 Direct	-1.39%	Disposed	483.3% (price as of 2026-08-20)
March 2, 2015	ON	A	34,195	—	—	334,062 Direct	+11.40%	Acquired	(price as of 2026-08-20)
Feb. 27, 2015	ON	F	9,212	$12.75	$117,453	299,867 Direct	-2.98%	Disposed	488.8% (price as of 2026-08-20)
Feb. 27, 2015	ON	F	381	$12.75	$4,858	309,079 Direct	-0.12%	Disposed	488.8% (price as of 2026-08-20)
Feb. 27, 2015	ON	A	1,207	—	—	309,460 Direct	+0.39%	Acquired	(price as of 2026-08-20)
Feb. 27, 2015	ON	A	85,562	—	—	308,253 Direct	+38.42%	Acquired	(price as of 2026-08-20)
Feb. 13, 2015	ON	S	10,000	$11.77	$117,700	222,691 Direct	-4.30%	Disposed	537.9% (price as of 2026-08-20)
Feb. 10, 2015	ON	S	15,000	$11.55	$173,250	232,691 Direct	-6.06%	Disposed	550.0% (price as of 2026-08-20)
Jan. 15, 2015	ON	M	15,000	$6.83	$102,450	262,691 Direct	+6.06%	Acquired	999.2% (price as of 2026-08-20)
Jan. 15, 2015	ON	D	15,000	$10.00	$150,000	247,691 Direct	-5.71%	Disposed	650.8% (price as of 2026-08-20)
Jan. 15, 2015	ON	M	15,000	$6.83	$102,450	30,000 Direct	-33.33%	Disposed	999.2% (price as of 2026-08-20)
Dec. 4, 2014	ON	M	15,000	$6.83	$102,450	45,000 Direct	-25.00%	Disposed	999.2% (price as of 2026-08-20)
Dec. 4, 2014	ON	D	15,000	$10.00	$150,000	247,691 Direct	-5.71%	Disposed	650.8% (price as of 2026-08-20)
Dec. 4, 2014	ON	M	15,000	$6.83	$102,450	262,691 Direct	+6.06%	Acquired	999.2% (price as of 2026-08-20)
Oct. 30, 2014	ON	F	2,351	$8.01	$18,832	247,691 Direct	-0.94%	Disposed	837.3% (price as of 2026-08-20)
Oct. 30, 2014	ON	A	7,242	$8.01	$58,008	250,042 Direct	+2.98%	Acquired	837.3% (price as of 2026-08-20)
July 31, 2014	ON	F	1,568	$8.56	$13,422	242,800 Direct	-0.64%	Disposed	777.0% (price as of 2026-08-20)
July 31, 2014	ON	A	4,828	$8.56	$41,328	244,368 Direct	+2.02%	Acquired	777.0% (price as of 2026-08-20)
June 12, 2014	ON	S	15,000	$9.08	$136,200	239,540 Direct	-5.89%	Disposed	726.8% (price as of 2026-08-20)
June 11, 2014	ON	S	15,000	$9.11	$136,650	254,540 Direct	-5.57%	Disposed	724.1% (price as of 2026-08-20)
May 1, 2014	ON	F	1,959	$9.38	$18,375	269,540 Direct	-0.72%	Disposed	700.4% (price as of 2026-08-20)
May 1, 2014	ON	A	6,035	$9.38	$56,608	271,499 Direct	+2.27%	Acquired	700.4% (price as of 2026-08-20)
March 25, 2014	ON	F	8,158	$9.27	$75,625	265,464 Direct	-2.98%	Disposed	709.9% (price as of 2026-08-20)
March 5, 2014	ON	F	3,134	$9.64	$30,212	230,841 Direct	-1.34%	Disposed	678.8% (price as of 2026-08-20)
March 3, 2014	ON	A	42,781	—	—	273,622 Direct	+18.53%	Acquired	(price as of 2026-08-20)
Feb. 21, 2014	ON	F	5,423	$9.38	$50,868	233,975 Direct	-2.27%	Disposed	700.4% (price as of 2026-08-20)
Feb. 21, 2014	ON	F	456	$9.38	$4,277	239,398 Direct	-0.19%	Disposed	700.4% (price as of 2026-08-20)
Feb. 21, 2014	ON	A	1,207	$9.38	$11,322	239,854 Direct	+0.51%	Acquired	700.4% (price as of 2026-08-20)
Feb. 21, 2014	ON	A	48,264	$9.38	$452,716	238,647 Direct	+25.35%	Acquired	700.4% (price as of 2026-08-20)
Oct. 31, 2013	ON	F	1,176	$7.06	$8,303	190,383 Direct	-0.61%	Disposed	963.4% (price as of 2026-08-20)
Oct. 31, 2013	ON	A	3,621	—	—	191,559 Direct	+1.93%	Acquired	(price as of 2026-08-20)
May 31, 2013	ON	M	27,000	—	—	600 Direct	-97.83%	Disposed	(price as of 2026-08-20)
May 31, 2013	ON	S	27,000	$8.55	$230,850	187,938 Direct	-12.56%	Disposed	778.1% (price as of 2026-08-20)
May 31, 2013	ON	M	27,000	$8.16	$220,320	214,938 Direct	+14.37%	Acquired	820.0% (price as of 2026-08-20)
March 25, 2013	ON	A	75,415	—	—	187,938 Direct	+67.02%	Acquired	(price as of 2026-08-20)
March 5, 2013	ON	F	3,048	$8.01	$24,414	112,525 Direct	-2.64%	Disposed	837.3% (price as of 2026-08-20)
Feb. 26, 2013	ON	F	2,754	$7.95	$21,894	115,573 Direct	-2.33%	Disposed	844.3% (price as of 2026-08-20)
Feb. 26, 2013	ON	A	7,500	$7.95	$59,625	118,327 Direct	+6.77%	Acquired	844.3% (price as of 2026-08-20)
Feb. 11, 2013	ON	S	20,000	$8.42	$168,400	110,827 Direct	-15.29%	Disposed	791.6% (price as of 2026-08-20)
May 3, 2012	ON	F	6,516	$8.39	$54,669	130,827 Direct	-4.74%	Disposed	794.8% (price as of 2026-08-20)
May 3, 2012	ON	A	20,650	$8.39	$173,254	137,343 Direct	+17.70%	Acquired	794.8% (price as of 2026-08-20)
April 10, 2012	ON	S 10b5-1	20,000	$8.26	$165,200	116,693 Direct	-14.63%	Disposed	808.9% (price as of 2026-08-20)
March 5, 2012	ON	A	57,937	—	—	57,937 Direct	—	Acquired	(price as of 2026-08-20)
March 5, 2012	ON	A	28,968	—	—	136,693 Direct	+26.89%	Acquired	(price as of 2026-08-20)
Feb. 22, 2012	ON	F	6,796	$9.04	$61,436	107,725 Direct	-5.93%	Disposed	730.5% (price as of 2026-08-20)
Feb. 22, 2012	ON	F	4,734	$9.04	$42,795	114,521 Direct	-3.97%	Disposed	730.5% (price as of 2026-08-20)
Feb. 22, 2012	ON	A	15,000	$9.04	$135,600	119,255 Direct	+14.39%	Acquired	730.5% (price as of 2026-08-20)
Feb. 22, 2012	ON	A	20,650	$9.04	$186,676	104,255 Direct	+24.70%	Acquired	730.5% (price as of 2026-08-20)
Nov. 22, 2011	ON	S	5,000	$7.67	$38,350	83,605 Direct	-5.64%	Disposed	878.8% (price as of 2026-08-20)
Nov. 21, 2011	ON	S	5,000	$7.27	$36,350	88,605 Direct	-5.34%	Disposed	932.7% (price as of 2026-08-20)
Nov. 3, 2011	ON	F	8,582	$7.79	$66,854	93,605 Direct	-8.40%	Disposed	863.7% (price as of 2026-08-20)
Nov. 3, 2011	ON	A	20,650	$7.79	$160,864	102,187 Direct	+25.33%	Acquired	863.7% (price as of 2026-08-20)
Aug. 5, 2011	ON	F	8,582	$7.23	$62,048	81,537 Direct	-9.52%	Disposed	938.4% (price as of 2026-08-20)
Aug. 5, 2011	ON	A	20,650	$7.23	$149,300	90,119 Direct	+29.73%	Acquired	938.4% (price as of 2026-08-20)
June 9, 2011	ON	S 10b5-1	3,000	$10.45	$31,350	69,469 Direct	-4.14%	Disposed	618.4% (price as of 2026-08-20)
May 12, 2011	ON	M	5,000	$10.32	$51,600	49,000 Direct	-9.26%	Disposed	627.5% (price as of 2026-08-20)

Showing latest 100 of 177 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. 10, 2017	ON	Stock Option (Right to Buy) [F2]	Common (27,937)	$8.40	March 5, 2019	27,937	Disposed
Feb. 21, 2017	ON	Stock Option (Right to Buy) [F2]	Common (30,000)	$8.40	March 5, 2019	30,000	Disposed
July 8, 2015	ON	Stock Option (right to buy)	Common (15,000)	$6.83	April 7, 2018	15,000	Disposed
April 15, 2015	ON	Stock Option (right to buy)	Common (15,000)	$6.83	April 7, 2018	15,000	Disposed
Jan. 15, 2015	ON	Stock Option (right to buy)	Common (15,000)	$6.83	April 7, 2018	15,000	Disposed
Dec. 4, 2014	ON	Stock Option (right to buy)	Common (15,000)	$6.83	April 7, 2018	15,000	Disposed
May 31, 2013	ON	Stock Option (right to buy)	Common (27,000)	$8.16	July 31, 2013	27,000	Disposed
March 5, 2012	ON	Stock Option (Right to Buy)	Common (57,937)	$8.40	March 5, 2022	57,937	Acquired
May 12, 2011	ON	Stock Option (right to buy)	Common (5,000)	$10.32	Aug. 1, 2012	5,000	Disposed
May 9, 2011	ON	Stock Option (right to buy)	Common (5,000)	$10.32	Aug. 1, 2012	5,000	Disposed
Feb. 10, 2011	ON	Stock Option (right to buy)	Common (18,332)	$3.45	July 31, 2013	18,332	Disposed
Feb. 7, 2011	ON	Stock Option (right to buy)	Common (10,000)	$10.32	Aug. 1, 2012	10,000	Disposed
Feb. 7, 2011	ON	Stock Option (right to buy)	Common (20,000)	$3.45	July 31, 2013	20,000	Disposed
Dec. 1, 2010	ON	Stock Option (right to buy)	Common (15,000)	$0.68	Jan. 31, 2011	15,000	Disposed
Dec. 1, 2010	ON	Stock Option (right to buy)	Common (12,982)	$0.68	Jan. 31, 2011	12,982	Disposed
April 7, 2008	ON	Stock Option (right to buy)	Common (60,000)	$6.83	April 7, 2018	60,000	Acquired
March 17, 2008	ON	Stock Option (right to buy)	Common (34,500)	$12.42	Aug. 3, 2014	34,500	Acquired
March 17, 2008	ON	Stock Option (right to buy)	Common (69,000)	$10.32	Aug. 1, 2012	69,000	Acquired
March 17, 2008	ON	Stock Option (right to buy)	Common (25,875)	$9.14	July 26, 2014	25,875	Acquired
March 17, 2008	ON	Stock Option (right to buy)	Common (27,600)	$8.16	July 31, 2013	27,600	Acquired
March 17, 2008	ON	Stock Option (right to buy)	Common (38,332)	$3.45	July 31, 2013	38,332	Acquired
March 17, 2008	ON	Stock Option (right to buy)	Common (27,982)	$0.68	Jan. 31, 2011	27,982	Acquired

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

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

ON

SVP

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2013	$340,337,319,277	$0	—	—	$361,410	$0	$2,841,728,656	$16,401,931,031,581

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.