Robert C Brown MD

CIK 1260292 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 6, 2011 · Latest: Jan. 6, 2011

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 6 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

6 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 6, 2011 LXU S 10b5-1 10,000 $44.00 $440,000 30,727 Indirect -24.55% Disposed -68.0% (price as of 2026-08-20)
May 6, 2011 LXU S 10b5-1 10,000 $44.00 $440,000 11,160 Indirect -47.26% Disposed -68.0% (price as of 2026-08-20)
March 28, 2011 LXU S 10b5-1 10,000 $40.00 $400,000 40,727 Indirect -19.71% Disposed -64.8% (price as of 2026-08-20)
March 28, 2011 LXU S 10b5-1 10,000 $40.00 $400,000 21,160 Indirect -32.09% Disposed -64.8% (price as of 2026-08-20)
Jan. 5, 2011 LXU S 10b5-1 18,442 $25.00 $461,050 0 Indirect -100.00% Disposed -43.6% (price as of 2026-08-20)
Jan. 5, 2011 LXU S 10b5-1 30,000 $25.00 $750,000 31,160 Indirect -49.05% Disposed -43.6% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 2,243 $25.21 $56,546 59,516 Indirect -3.63% Disposed -44.1% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 600 $25.19 $15,114 61,759 Indirect -0.96% Disposed -44.0% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 500 $25.17 $12,585 62,359 Indirect -0.80% Disposed -44.0% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 800 $25.16 $20,128 62,859 Indirect -1.26% Disposed -44.0% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 200 $25.15 $5,030 63,659 Indirect -0.31% Disposed -43.9% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 4,057 $25.11 $101,871 63,859 Indirect -5.97% Disposed -43.9% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 500 $25.10 $12,550 67,916 Indirect -0.73% Disposed -43.8% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 900 $25.06 $22,554 68,416 Indirect -1.30% Disposed -43.7% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 200 $25.05 $5,010 69,316 Indirect -0.29% Disposed -43.7% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 10,000 $25.00 $250,000 69,516 Indirect -12.58% Disposed -43.6% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 15,000 $24.50 $367,500 79,516 Indirect -15.87% Disposed -42.5% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 3,100 $24.40 $75,640 94,516 Indirect -3.18% Disposed -42.2% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 300 $24.37 $7,311 97,616 Indirect -0.31% Disposed -42.1% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 400 $24.36 $9,744 97,916 Indirect -0.41% Disposed -42.1% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 100 $24.32 $2,432 98,316 Indirect -0.10% Disposed -42.0% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 100 $24.31 $2,431 98,416 Indirect -0.10% Disposed -42.0% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 700 $24.30 $17,010 98,516 Indirect -0.71% Disposed -42.0% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 1,100 $24.29 $26,719 99,216 Indirect -1.10% Disposed -42.0% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 100 $24.28 $2,428 100,316 Indirect -0.10% Disposed -41.9% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 4,100 $24.26 $99,466 100,416 Indirect -3.92% Disposed -41.9% (price as of 2026-08-20)
Dec. 24, 2007 LXU S 10b5-1 5,000 $24.25 $121,250 104,516 Indirect -4.57% Disposed -41.9% (price as of 2026-08-20)
Nov. 14, 2007 LXU S 1,300 $23.30 $30,290 109,516 Indirect -1.17% Disposed -39.5% (price as of 2026-08-20)
Nov. 14, 2007 LXU S 800 $23.26 $18,608 110,816 Indirect -0.72% Disposed -39.4% (price as of 2026-08-20)
Nov. 14, 2007 LXU S 600 $23.25 $13,950 111,616 Indirect -0.53% Disposed -39.4% (price as of 2026-08-20)
Nov. 14, 2007 LXU S 2,319 $23.24 $53,894 112,216 Indirect -2.02% Disposed -39.3% (price as of 2026-08-20)
Nov. 14, 2007 LXU S 1,481 $23.22 $34,389 114,535 Indirect -1.28% Disposed -39.3% (price as of 2026-08-20)
Nov. 14, 2007 LXU S 2,000 $23.21 $46,420 116,016 Indirect -1.69% Disposed -39.3% (price as of 2026-08-20)
Nov. 14, 2007 LXU S 6,500 $23.00 $149,500 118,016 Indirect -5.22% Disposed -38.7% (price as of 2026-08-20)
Aug. 23, 2007 LXU S 1,000 $22.04 $22,040 109,516 Indirect -0.90% Disposed -36.0% (price as of 2026-08-20)
Aug. 23, 2007 LXU S 1,000 $22.00 $22,000 110,516 Indirect -0.90% Disposed -35.9% (price as of 2026-08-20)
Aug. 22, 2007 LXU S 1,000 $22.01 $22,010 111,516 Indirect -0.89% Disposed -35.9% (price as of 2026-08-20)
May 9, 2007 LXU S 2,000 $20.50 $41,000 112,516 Indirect -1.75% Disposed -31.2% (price as of 2026-08-20)
May 9, 2007 LXU S 4,000 $20.45 $81,800 114,516 Indirect -3.38% Disposed -31.1% (price as of 2026-08-20)
May 9, 2007 LXU S 800 $20.43 $16,344 118,516 Indirect -0.67% Disposed -31.0% (price as of 2026-08-20)
May 9, 2007 LXU S 2,200 $20.40 $44,880 119,316 Indirect -1.81% Disposed -30.9% (price as of 2026-08-20)
May 9, 2007 LXU S 100 $20.37 $2,037 121,516 Indirect -0.08% Disposed -30.8% (price as of 2026-08-20)
May 9, 2007 LXU S 900 $20.35 $18,315 121,616 Indirect -0.73% Disposed -30.7% (price as of 2026-08-20)
Dec. 23, 2003 LXU S 3,000 $6.25 $18,750 Direct Disposed 125.6% (price as of 2026-08-20)
Dec. 23, 2003 LXU S 2,000 $6.20 $12,400 3,000 Direct -40.00% Disposed 127.4% (price as of 2026-08-20)
Dec. 23, 2003 LXU S 2,900 $6.05 $17,545 12,100 Direct -19.33% Disposed 133.0% (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.

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. 13, 2008 LXU Nonqualified Stock Option [F2] Common Stock (5,000) $7.86 Nov. 13, 2018 5,000 Acquired
Nov. 6, 2007 LXU Nonqualified Stock Option Common Stock (15,000) $1.25 July 8, 2009 15,000 Disposed

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