MAMBU RONALD D

Insider

First SEC filing: July 16, 2008 · Latest: July 16, 2008

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

JBTM selling Jan. 9, 2014

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 27 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

27 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 25, 2014	JBTM	A	5,975	—	—	80,159 Direct	+8.05%	Acquired	(price as of 2026-08-20)
Jan. 9, 2014	JBTM	S 10b5-1	2,902	$30.48	$88,453	74,184 Direct	-3.76%	Disposed	277.1% (price as of 2026-08-20)
Jan. 8, 2014	JBTM	S 10b5-1	4,000	$30.26	$121,040	77,086 Direct	-4.93%	Disposed	279.9% (price as of 2026-08-20)
Jan. 7, 2014	JBTM	S 10b5-1	4,000	$30.17	$120,680	81,086 Direct	-4.70%	Disposed	281.0% (price as of 2026-08-20)
Jan. 6, 2014	JBTM	S 10b5-1	4,000	$29.67	$118,680	85,086 Direct	-4.49%	Disposed	287.4% (price as of 2026-08-20)
Jan. 2, 2014	JBTM	F	2,130	$28.70	$61,131	89,086 Direct	-2.34%	Disposed	300.5% (price as of 2026-08-20)
Jan. 2, 2014	JBTM	F	3,893	$28.70	$111,729	91,216 Direct	-4.09%	Disposed	300.5% (price as of 2026-08-20)
Dec. 17, 2013	JBTM	S 10b5-1	3,596	$27.93	$100,436	95,109 Direct	-3.64%	Disposed	311.6% (price as of 2026-08-20)
Dec. 16, 2013	JBTM	S 10b5-1	4,000	$28.12	$112,480	98,705 Direct	-3.89%	Disposed	308.8% (price as of 2026-08-20)
Dec. 13, 2013	JBTM	S 10b5-1	4,000	$27.80	$111,200	102,705 Direct	-3.75%	Disposed	313.5% (price as of 2026-08-20)
Dec. 12, 2013	JBTM	S 10b5-1	4,000	$27.56	$110,240	106,705 Direct	-3.61%	Disposed	317.1% (price as of 2026-08-20)
Dec. 11, 2013	JBTM	S 10b5-1	4,000	$27.81	$111,240	110,705 Direct	-3.49%	Disposed	313.3% (price as of 2026-08-20)
Dec. 10, 2013	JBTM	S 10b5-1	4,000	$28.46	$113,840	114,705 Direct	-3.37%	Disposed	303.9% (price as of 2026-08-20)
Dec. 9, 2013	JBTM	S 10b5-1	4,000	$28.52	$114,080	118,705 Direct	-3.26%	Disposed	303.1% (price as of 2026-08-20)
Dec. 6, 2013	JBTM	S 10b5-1	4,000	$28.79	$115,160	122,705 Direct	-3.16%	Disposed	299.3% (price as of 2026-08-20)
Dec. 5, 2013	JBTM	S 10b5-1	4,000	$28.22	$112,880	126,705 Direct	-3.06%	Disposed	307.3% (price as of 2026-08-20)
Dec. 4, 2013	JBTM	S 10b5-1	4,000	$28.36	$113,440	130,705 Direct	-2.97%	Disposed	305.3% (price as of 2026-08-20)
Dec. 3, 2013	JBTM	S 10b5-1	4,000	$28.57	$114,280	134,705 Direct	-2.88%	Disposed	302.3% (price as of 2026-08-20)
Dec. 2, 2013	JBTM	S 10b5-1	4,000	$29.43	$117,720	138,705 Direct	-2.80%	Disposed	290.6% (price as of 2026-08-20)
Nov. 29, 2013	JBTM	S 10b5-1	4,000	$29.70	$118,800	142,705 Direct	-2.73%	Disposed	287.0% (price as of 2026-08-20)
Nov. 27, 2013	JBTM	S 10b5-1	4,000	$29.60	$118,400	146,705 Direct	-2.65%	Disposed	288.3% (price as of 2026-08-20)
Nov. 26, 2013	JBTM	S 10b5-1	4,000	$29.27	$117,080	150,705 Direct	-2.59%	Disposed	292.7% (price as of 2026-08-20)
Nov. 25, 2013	JBTM	S 10b5-1	4,000	$29.30	$117,200	154,705 Direct	-2.52%	Disposed	292.3% (price as of 2026-08-20)
Nov. 22, 2013	JBTM	S 10b5-1	4,000	$28.71	$114,840	158,705 Direct	-2.46%	Disposed	300.4% (price as of 2026-08-20)
Nov. 21, 2013	JBTM	S 10b5-1	4,000	$28.24	$112,960	162,705 Direct	-2.40%	Disposed	307.0% (price as of 2026-08-20)
Nov. 20, 2013	JBTM	S 10b5-1	4,000	$27.86	$111,440	166,705 Direct	-2.34%	Disposed	312.6% (price as of 2026-08-20)
Nov. 19, 2013	JBTM	S 10b5-1	4,000	$27.86	$111,440	170,705 Direct	-2.29%	Disposed	312.6% (price as of 2026-08-20)
Nov. 18, 2013	JBTM	S 10b5-1	4,000	$28.12	$112,480	174,705 Direct	-2.24%	Disposed	308.8% (price as of 2026-08-20)
Nov. 15, 2013	JBTM	S 10b5-1	4,000	$27.83	$111,320	178,705 Direct	-2.19%	Disposed	313.0% (price as of 2026-08-20)
Nov. 14, 2013	JBTM	S 10b5-1	4,000	$27.73	$110,920	182,705 Direct	-2.14%	Disposed	314.5% (price as of 2026-08-20)
Nov. 13, 2013	JBTM	S 10b5-1	4,000	$27.48	$109,920	186,705 Direct	-2.10%	Disposed	318.3% (price as of 2026-08-20)
Nov. 12, 2013	JBTM	S 10b5-1	4,000	$27.00	$108,000	190,705 Direct	-2.05%	Disposed	325.7% (price as of 2026-08-20)
Nov. 11, 2013	JBTM	S 10b5-1	4,000	$27.14	$108,560	194,705 Direct	-2.01%	Disposed	323.5% (price as of 2026-08-20)
Nov. 8, 2013	JBTM	S 10b5-1	4,000	$27.04	$108,160	198,705 Direct	-1.97%	Disposed	325.1% (price as of 2026-08-20)
Nov. 7, 2013	JBTM	S 10b5-1	4,000	$26.74	$106,960	202,705 Direct	-1.94%	Disposed	329.9% (price as of 2026-08-20)
Nov. 6, 2013	JBTM	S 10b5-1	4,000	$27.20	$108,800	206,705 Direct	-1.90%	Disposed	322.6% (price as of 2026-08-20)
Nov. 5, 2013	JBTM	S 10b5-1	4,000	$27.20	$108,800	210,705 Direct	-1.86%	Disposed	322.6% (price as of 2026-08-20)
Nov. 4, 2013	JBTM	S 10b5-1	4,000	$27.15	$108,600	214,705 Direct	-1.83%	Disposed	323.4% (price as of 2026-08-20)
Nov. 1, 2013	JBTM	G 10b5-1	5,000	—	—	218,705 Direct	-2.24%	Disposed	(price as of 2026-08-20)
Nov. 1, 2013	JBTM	S 10b5-1	100	$27.31	$2,731	223,705 Direct	-0.04%	Disposed	320.9% (price as of 2026-08-20)
Nov. 1, 2013	JBTM	S 10b5-1	3,900	$26.88	$104,832	223,805 Direct	-1.71%	Disposed	327.6% (price as of 2026-08-20)
Feb. 25, 2013	JBTM	A	26,350	—	—	227,705 Direct	+13.09%	Acquired	(price as of 2026-08-20)
Feb. 25, 2013	JBTM	A	6,714	—	—	201,355 Direct	+3.45%	Acquired	(price as of 2026-08-20)
Jan. 2, 2013	JBTM	F	4,019	$18.49	$74,311	194,641 Direct	-2.02%	Disposed	521.7% (price as of 2026-08-20)
Jan. 2, 2013	JBTM	F	4,484	$18.49	$82,909	198,660 Direct	-2.21%	Disposed	521.7% (price as of 2026-08-20)
Feb. 27, 2012	JBTM	A	6,862	—	—	203,144 Direct	+3.50%	Acquired	(price as of 2026-08-20)
Feb. 27, 2012	JBTM	A	12,040	—	—	196,282 Direct	+6.53%	Acquired	(price as of 2026-08-20)
Jan. 3, 2012	JBTM	F	4,217	$16.01	$67,514	184,242 Direct	-2.24%	Disposed	618.0% (price as of 2026-08-20)
Jan. 3, 2012	JBTM	F	4,063	$16.01	$65,049	188,459 Direct	-2.11%	Disposed	618.0% (price as of 2026-08-20)
Aug. 9, 2011	JBTM	P	5,000	$14.62	$73,100	192,522 Direct	+2.67%	Acquired	686.3% (price as of 2026-08-20)
Aug. 5, 2011	JBTM	P	20,000	$15.19	$303,800	187,522 Direct	+11.94%	Acquired	656.7% (price as of 2026-08-20)
Feb. 22, 2011	JBTM	A	6,081	—	—	167,522 Direct	+3.77%	Acquired	(price as of 2026-08-20)
Feb. 22, 2011	JBTM	A	12,682	—	—	161,441 Direct	+8.53%	Acquired	(price as of 2026-08-20)
Jan. 4, 2011	JBTM	F	8,857	$20.53	$181,834	148,759 Direct	-5.62%	Disposed	459.9% (price as of 2026-08-20)
Jan. 4, 2011	JBTM	F	8,045	$20.53	$165,164	157,616 Direct	-4.86%	Disposed	459.9% (price as of 2026-08-20)
Feb. 23, 2010	JBTM	A	10,723	—	—	165,661 Direct	+6.92%	Acquired	(price as of 2026-08-20)
Feb. 23, 2010	JBTM	A	12,918	—	—	154,938 Direct	+9.10%	Acquired	(price as of 2026-08-20)
Jan. 5, 2010	JBTM	F	15,291	$17.60	$269,122	142,020 Direct	-9.72%	Disposed	553.1% (price as of 2026-08-20)
Jan. 5, 2010	JBTM	F	7,191	$17.60	$126,562	157,311 Direct	-4.37%	Disposed	553.1% (price as of 2026-08-20)
Feb. 24, 2009	JBTM	A	12,637	—	—	164,502 Direct	+8.32%	Acquired	(price as of 2026-08-20)
Feb. 24, 2009	JBTM	A	27,604	—	—	151,865 Direct	+22.21%	Acquired	(price as of 2026-08-20)
Dec. 1, 2008	JBTM	A	3,500	$7.50	$26,250	124,261 Direct	+2.90%	Acquired	1432.7% (price as of 2026-08-20)
Nov. 28, 2008	JBTM	A	3,500	$7.51	$26,285	120,761 Direct	+2.98%	Acquired	1430.6% (price as of 2026-08-20)
Nov. 26, 2008	JBTM	A	18,000	$8.00	$144,000	117,261 Direct	+18.13%	Acquired	1336.9% (price as of 2026-08-20)
Aug. 7, 2008	JBTM	A	26,800	—	—	99,261 Direct	+36.99%	Acquired	(price as of 2026-08-20)
Aug. 1, 2008	JBTM	A	70,301	—	—	72,461 Direct	+3254.68%	Acquired	(price as of 2026-08-20)

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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
July 16, 2008	JBTM	Common Stock, par value $0.01	0	Direct