David W Devonshire
Insider
First SEC filing: June 5, 2014 · Latest: June 5, 2014
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 9, 2015 | ROP | S | 1,500 | $175.03 | $262,545 | 12,500 Direct | -10.71% | Disposed | 102.4% (price as of 2026-10-02) |
| June 1, 2015 | ROP | A | 4,000 | · | · | 14,000 Direct | +40.00% | Acquired | (price as of 2026-10-02) |
| April 30, 2015 | ROP | S | 3,000 | $169.06 | $507,180 | 10,000 Direct | -23.08% | Disposed | 109.6% (price as of 2026-10-02) |
| Feb. 6, 2015 | ROP | S | 2,000 | $160.98 | $321,960 | 13,000 Direct | -13.33% | Disposed | 120.1% (price as of 2026-10-02) |
| June 3, 2014 | PRDO | A | 14,619 | · | · | 18,119 Direct | +417.69% | Acquired | (price as of 2026-10-02) |
| May 22, 2014 | ROP | A | 4,000 | · | · | 15,000 Direct | +36.36% | Acquired | (price as of 2026-10-02) |
| May 2, 2014 | ROP | S | 3,000 | $137.96 | $413,880 | 11,000 Direct | -21.43% | Disposed | 156.8% (price as of 2026-10-02) |
| May 25, 2013 | ROP | A | 4,000 | · | · | 14,000 Direct | +40.00% | Acquired | (price as of 2026-10-02) |
| May 14, 2013 | PRDO | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 4, 2012 | ROP | S | 3,000 | $108.50 | $325,500 | 10,000 Direct | -23.08% | Disposed | 226.6% (price as of 2026-10-02) |
| June 5, 2012 | ROP | A | 4,000 | · | · | 13,000 Direct | +44.44% | Acquired | (price as of 2026-10-02) |
| May 17, 2012 | PRDO | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2011 | ROP | A | 4,000 | · | · | 9,000 Direct | +80.00% | Acquired | (price as of 2026-10-02) |
| May 19, 2011 | PRDO | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 3, 2011 | ROP | S | 4,000 | $86.60 | $346,400 | 5,000 Direct | -44.44% | Disposed | 309.1% (price as of 2026-10-02) |
| Oct. 28, 2010 | ROP | S | 4,000 | $69.20 | $276,800 | 9,000 Direct | -30.77% | Disposed | 412.0% (price as of 2026-10-02) |
| Sept. 2, 2010 | ROP | M | 4,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2010 | ROP | S | 1,799 | $60.53 | $108,893 | 13,000 Direct | -12.16% | Disposed | 485.4% (price as of 2026-10-02) |
| Sept. 2, 2010 | ROP | S | 900 | $60.54 | $54,486 | 14,799 Direct | -5.73% | Disposed | 485.3% (price as of 2026-10-02) |
| Sept. 2, 2010 | ROP | S | 300 | $60.55 | $18,165 | 15,699 Direct | -1.88% | Disposed | 485.2% (price as of 2026-10-02) |
| Sept. 2, 2010 | ROP | S | 1,001 | $60.56 | $60,621 | 15,999 Direct | -5.89% | Disposed | 485.1% (price as of 2026-10-02) |
| Sept. 2, 2010 | ROP | M | 4,000 | $14.73 | $58,920 | 17,000 Direct | +30.77% | Acquired | 2305.4% (price as of 2026-10-02) |
| June 9, 2010 | PRDO | P | 400 | $26.37 | $10,548 | 3,500 Direct | +12.90% | Acquired | 21.0% (price as of 2026-10-02) |
| June 9, 2010 | PRDO | P | 1,100 | $26.37 | $29,007 | 3,100 Direct | +55.00% | Acquired | 21.0% (price as of 2026-10-02) |
| June 3, 2010 | ROP | A | 4,000 | · | · | 13,000 Direct | +44.44% | Acquired | (price as of 2026-10-02) |
| May 19, 2010 | PRDO | A | 24,000 | $30.67 | $736,080 | 24,000 Direct | · | Acquired | 4.0% (price as of 2026-10-02) |
| Feb. 24, 2010 | ROP | S | 5,000 | $54.94 | $274,700 | 9,000 Direct | -35.71% | Disposed | 544.9% (price as of 2026-10-02) |
| Dec. 9, 2009 | PRDO | P | 2,000 | $26.79 | $53,580 | 2,000 Direct | · | Acquired | 19.1% (price as of 2026-10-02) |
| Sept. 14, 2009 | ROP | S | 100 | $50.57 | $5,057 | 14,000 Direct | -0.71% | Disposed | 600.7% (price as of 2026-10-02) |
| Sept. 14, 2009 | ROP | S | 200 | $50.55 | $10,110 | 14,100 Direct | -1.40% | Disposed | 600.9% (price as of 2026-10-02) |
| Sept. 14, 2009 | ROP | S | 900 | $50.54 | $45,486 | 14,300 Direct | -5.92% | Disposed | 601.1% (price as of 2026-10-02) |
| Sept. 14, 2009 | ROP | S | 100 | $50.53 | $5,053 | 15,200 Direct | -0.65% | Disposed | 601.2% (price as of 2026-10-02) |
| Sept. 14, 2009 | ROP | S | 900 | $50.52 | $45,468 | 15,300 Direct | -5.56% | Disposed | 601.3% (price as of 2026-10-02) |
| Sept. 14, 2009 | ROP | S | 2,800 | $50.51 | $141,428 | 16,200 Direct | -14.74% | Disposed | 601.5% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 1,000 | $46.50 | $46,500 | 19,000 Direct | -5.00% | Disposed | 662.0% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 200 | $46.39 | $9,278 | 20,000 Direct | -0.99% | Disposed | 663.8% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 300 | $46.37 | $13,911 | 20,200 Direct | -1.46% | Disposed | 664.1% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 500 | $46.36 | $23,180 | 20,500 Direct | -2.38% | Disposed | 664.3% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 400 | $46.35 | $18,540 | 21,000 Direct | -1.87% | Disposed | 664.4% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 700 | $46.34 | $32,438 | 21,400 Direct | -3.17% | Disposed | 664.6% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 970 | $46.33 | $44,940 | 22,100 Direct | -4.20% | Disposed | 664.8% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 200 | $46.30 | $9,260 | 23,070 Direct | -0.86% | Disposed | 665.3% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 400 | $46.29 | $18,516 | 23,270 Direct | -1.69% | Disposed | 665.4% (price as of 2026-10-02) |
| June 12, 2009 | ROP | S | 330 | $46.25 | $15,262 | 23,670 Direct | -1.38% | Disposed | 666.1% (price as of 2026-10-02) |
| June 4, 2009 | ROP | A | 4,000 | · | · | 24,000 Direct | +20.00% | Acquired | (price as of 2026-10-02) |
| April 30, 2009 | PRDO | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2009 | PRDO | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2009 | PRDO | A | 18,000 | · | · | 18,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 7, 2008 | ROP | A | 4,000 | · | · | 20,000 Direct | +25.00% | Acquired | (price as of 2026-10-02) |
| May 13, 2008 | PRDO | D | 24,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 13, 2008 | PRDO | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 12, 2008 | ROP | S | 600 | $62.86 | $37,716 | 16,000 Direct | -3.61% | Disposed | 463.7% (price as of 2026-10-02) |
| May 12, 2008 | ROP | S | 700 | $62.85 | $43,995 | 16,600 Direct | -4.05% | Disposed | 463.8% (price as of 2026-10-02) |
| May 12, 2008 | ROP | S | 100 | $62.84 | $6,284 | 17,300 Direct | -0.57% | Disposed | 463.8% (price as of 2026-10-02) |
| May 12, 2008 | ROP | S | 1,300 | $62.83 | $81,679 | 17,400 Direct | -6.95% | Disposed | 463.9% (price as of 2026-10-02) |
| May 12, 2008 | ROP | S | 300 | $62.82 | $18,846 | 18,700 Direct | -1.58% | Disposed | 464.0% (price as of 2026-10-02) |
| May 12, 2008 | ROP | S | 600 | $62.82 | $37,692 | 19,000 Direct | -3.06% | Disposed | 464.0% (price as of 2026-10-02) |
| May 12, 2008 | ROP | S | 300 | $62.80 | $18,840 | 19,600 Direct | -1.51% | Disposed | 464.2% (price as of 2026-10-02) |
| May 12, 2008 | ROP | S | 100 | $62.78 | $6,278 | 19,900 Direct | -0.50% | Disposed | 464.4% (price as of 2026-10-02) |
| March 20, 2008 | PRDO | D | 18,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 20, 2008 | PRDO | A | 18,000 | · | · | 18,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 25, 2007 | ROP | A | 4,000 | · | · | 20,000 Direct | +25.00% | Acquired | (price as of 2026-10-02) |
| May 31, 2007 | MSI | S | 4,700 | $18.06 | $84,882 | 7,000 Direct | -40.17% | Disposed | 512.8% (price as of 2026-10-02) |
| May 31, 2007 | MSI | S | 7,000 | $18.08 | $126,560 | 0 Direct | -100.00% | Disposed | 512.1% (price as of 2026-10-02) |
| May 31, 2007 | MSI | S | 1,046 | $18.03 | $18,859 | 11,700 Direct | -8.21% | Disposed | 513.8% (price as of 2026-10-02) |
| May 31, 2007 | MSI | S | 20,000 | $18.02 | $360,400 | 12,746 Direct | -61.08% | Disposed | 514.2% (price as of 2026-10-02) |
| May 31, 2007 | MSI | S | 7,000 | $18.01 | $126,070 | 32,746 Direct | -17.61% | Disposed | 514.5% (price as of 2026-10-02) |
| May 31, 2007 | MSI | S | 15,000 | $18.00 | $270,000 | 39,746 Direct | -27.40% | Disposed | 514.9% (price as of 2026-10-02) |
| May 9, 2007 | MSI | M | 137,467 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 9, 2007 | MSI | S | 38,400 | $17.89 | $686,976 | 54,746 Direct | -41.23% | Disposed | 518.7% (price as of 2026-10-02) |
| May 9, 2007 | MSI | S | 16,100 | $17.90 | $288,190 | 93,146 Direct | -14.74% | Disposed | 518.3% (price as of 2026-10-02) |
| May 9, 2007 | MSI | S | 35,200 | $17.91 | $630,432 | 109,246 Direct | -24.37% | Disposed | 518.0% (price as of 2026-10-02) |
| May 9, 2007 | MSI | S | 30,467 | $17.92 | $545,969 | 144,446 Direct | -17.42% | Disposed | 517.6% (price as of 2026-10-02) |
| May 9, 2007 | MSI | S | 17,300 | $17.93 | $310,189 | 174,913 Direct | -9.00% | Disposed | 517.3% (price as of 2026-10-02) |
| May 9, 2007 | MSI | M | 137,467 | $7.27 | $999,385 | 192,213 Direct | +251.10% | Acquired | 1422.4% (price as of 2026-10-02) |
| March 19, 2007 | MSI | F | 1,559 | $18.19 | $28,358 | 54,731 Direct | -2.77% | Disposed | 508.4% (price as of 2026-10-02) |
| Dec. 11, 2006 | ROP | A | 4,000 | · | · | 16,000 Direct | +33.33% | Acquired | (price as of 2026-10-02) |
| Dec. 11, 2006 | ROP | A | 4,000 | · | · | 10,000 Direct | +66.67% | Acquired | (price as of 2026-10-02) |
| July 27, 2006 | MSI | M | 125,730 | · | · | 251,460 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| July 27, 2006 | MSI | M | 100,000 | · | · | 300,000 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| July 27, 2006 | MSI | S | 40,000 | $22.08 | $883,200 | 56,265 Direct | -41.55% | Disposed | 401.3% (price as of 2026-10-02) |
| July 27, 2006 | MSI | S | 7,400 | $22.09 | $163,466 | 96,265 Direct | -7.14% | Disposed | 401.0% (price as of 2026-10-02) |
| July 27, 2006 | MSI | S | 75,200 | $22.10 | $1,661,920 | 103,665 Direct | -42.04% | Disposed | 400.8% (price as of 2026-10-02) |
| July 27, 2006 | MSI | S | 23,800 | $22.11 | $526,218 | 178,865 Direct | -11.74% | Disposed | 400.6% (price as of 2026-10-02) |
| July 27, 2006 | MSI | S | 57,300 | $22.12 | $1,267,476 | 202,665 Direct | -22.04% | Disposed | 400.3% (price as of 2026-10-02) |
| July 27, 2006 | MSI | S | 22,030 | $22.13 | $487,524 | 259,965 Direct | -7.81% | Disposed | 400.1% (price as of 2026-10-02) |
| July 27, 2006 | MSI | M | 125,730 | $16.30 | $2,049,399 | 281,995 Direct | +80.46% | Acquired | 579.0% (price as of 2026-10-02) |
| July 27, 2006 | MSI | M | 100,000 | $15.47 | $1,547,000 | 156,265 Direct | +177.73% | Acquired | 615.4% (price as of 2026-10-02) |
| May 8, 2006 | MSI | M | 137,466 | · | · | 137,467 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 8, 2006 | MSI | S | 10,066 | $22.52 | $226,686 | 56,252 Direct | -15.18% | Disposed | 391.5% (price as of 2026-10-02) |
| May 8, 2006 | MSI | S | 13,000 | $22.53 | $292,890 | 66,318 Direct | -16.39% | Disposed | 391.2% (price as of 2026-10-02) |
| May 8, 2006 | MSI | S | 5,000 | $22.54 | $112,700 | 79,318 Direct | -5.93% | Disposed | 391.0% (price as of 2026-10-02) |
| May 8, 2006 | MSI | S | 15,000 | $22.55 | $338,250 | 84,318 Direct | -15.10% | Disposed | 390.8% (price as of 2026-10-02) |
| May 8, 2006 | MSI | S | 72,400 | $22.56 | $1,633,344 | 99,318 Direct | -42.16% | Disposed | 390.6% (price as of 2026-10-02) |
| May 8, 2006 | MSI | S | 22,000 | $22.57 | $496,540 | 171,718 Direct | -11.36% | Disposed | 390.4% (price as of 2026-10-02) |
| May 8, 2006 | MSI | M | 137,466 | $7.27 | $999,378 | 193,718 Direct | +244.38% | Acquired | 1422.4% (price as of 2026-10-02) |
| May 3, 2006 | MSI | A | 300,000 | · | · | 300,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 24, 2006 | MSI | M | 111,760 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 24, 2006 | MSI | S | 111,760 | $22.30 | $2,492,248 | 56,252 Direct | -66.52% | Disposed | 396.3% (price as of 2026-10-02) |
| April 24, 2006 | MSI | M | 111,760 | $12.53 | $1,400,353 | 168,012 Direct | +198.68% | Acquired | 783.3% (price as of 2026-10-02) |
Showing latest 100 of 128 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 |
|---|---|---|---|---|---|---|---|
| May 14, 2013 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $2.82 | May 13, 2023 | 16,000 | Acquired |
| May 17, 2012 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $6.51 | May 16, 2022 | 16,000 | Acquired |
| May 19, 2011 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $22.13 | May 18, 2021 | 16,000 | Acquired |
| Sept. 2, 2010 | ROP | Nonemployee Directors Stock Option (right to buy) | Common Stock | $14.73 | April 3, 2013 | 4,000 | Disposed |
| May 19, 2010 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $30.67 | May 18, 2020 | 24,000 | Acquired |
| April 30, 2009 | PRDO | Employee Stock Option (right to buy) | Common Stock | $22.04 | April 30, 2019 | 24,000 | Acquired |
| Feb. 20, 2009 | PRDO | Stock Option | Common Stock | $18.64 | May 12, 2018 | 24,000 | Acquired |
| Feb. 20, 2009 | PRDO | Stock Option | Common Stock | $13.67 | March 19, 2018 | 18,000 | Acquired |
| May 13, 2008 | PRDO | Stock Option | Common Stock | $18.64 | May 12, 2018 | 24,000 | Disposed |
| May 13, 2008 | PRDO | Employee Stock Option (right to buy) | Common Stock | $18.64 | May 12, 2018 | 24,000 | Acquired |
| March 20, 2008 | PRDO | Stock Option | Common Stock | $13.67 | March 19, 2018 | 18,000 | Disposed |
| March 20, 2008 | PRDO | Stock Option (right to buy) | Common Stock | $13.67 | March 19, 2018 | 18,000 | Acquired |
| May 9, 2007 | MSI | Employee Stock Option (Right to Buy) | Motorola, Inc. Common Stock | $7.27 | May 6, 2013 | 137,467 | Disposed |
| July 27, 2006 | MSI | Employee Stock Option (Right to Buy) | Motorola, Inc. Common Stock | $16.30 | May 4, 2014 | 125,730 | Disposed |
| July 27, 2006 | MSI | Employee Stock Option (Right to Buy) | Motorola, Inc. Common Stock | $15.47 | May 3, 2015 | 100,000 | Disposed |
| May 8, 2006 | MSI | Employee Stock Option (Right to Buy) | Motorola, Inc. Common Stock | $7.27 | May 6, 2013 | 137,466 | Disposed |
| May 3, 2006 | MSI | Employee Stock Option (Right to Buy) | Common Stock | $21.25 | May 3, 2016 | 300,000 | Acquired |
| April 24, 2006 | MSI | Employee Stock Option (Right to Buy) | Motorola, Inc. Common Stock | $12.53 | March 18, 2012 | 111,760 | Disposed |
| Nov. 18, 2005 | MSI | Employee Stock Option (Right to Buy) | Motorola, Inc. Common Stock | · | May 4, 2014 | 125,730 | Disposed |
| July 27, 2005 | MSI | Employee Stock Option (Right to Buy) | Common Stock | · | March 18, 2012 | 111,760 | Disposed |
| May 23, 2005 | MSI | Employee Stock Option (Right to Buy) | Common Stock | $7.27 | May 6, 2013 | 137,465 | Disposed |
| May 3, 2005 | MSI | Employee Stock Option (Right to Buy) | Common Stock | $15.47 | May 3, 2015 | 400,000 | Acquired |
| May 19, 2004 | MSI | Employee Stock Option (Right to Buy) | Common stock | $8.13 | May 6, 2013 | 123,001 | Disposed |
| May 4, 2004 | MSI | Employee Stock Option (Right to Buy) | Common Stock | $18.22 | May 4, 2014 | 450,000 | Acquired |
| April 23, 2004 | MSI | Employee Stock Option (Right to Buy) | Common Stock | $14.00 | March 18, 2012 | 200,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).