David A Brown
Insider
First SEC filing: March 5, 2007 · Latest: March 5, 2007
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 14, 2017 | SIGI | M | 14,612 | $11.60 | $169,499 | 29,996 Direct | +94.98% | Acquired | 637.8% (price as of 2026-10-02) |
| Nov. 14, 2017 | SIGI | S | 4,000 | $57.76 | $231,040 | 25,996 Direct | -13.34% | Disposed | 48.2% (price as of 2026-10-02) |
| Nov. 14, 2017 | SIGI | S | 14,612 | $58.13 | $849,396 | 11,384 Direct | -56.21% | Disposed | 47.2% (price as of 2026-10-02) |
| Nov. 14, 2017 | SIGI | M | 14,612 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 23, 2017 | SIGI | M | 6,275 | $23.93 | $150,161 | 21,650 Direct | +40.81% | Acquired | 257.7% (price as of 2026-10-02) |
| May 23, 2017 | SIGI | S | 6,275 | $50.49 | $316,825 | 15,375 Direct | -28.98% | Disposed | 69.5% (price as of 2026-10-02) |
| May 23, 2017 | SIGI | M | 6,275 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 28, 2017 | SIGI | A | 1,516 | · | · | 15,375 Direct | +10.94% | Acquired | (price as of 2026-10-02) |
| Aug. 11, 2016 | SIGI | S | 6,400 | $39.23 | $251,072 | 13,833 Direct | -31.63% | Disposed | 118.2% (price as of 2026-10-02) |
| May 6, 2016 | SIGI | A | 2,250 | · | · | 20,224 Direct | +12.52% | Acquired | (price as of 2026-10-02) |
| Oct. 30, 2015 | SIGI | M | 5,031 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 30, 2015 | SIGI | M | 4,238 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 30, 2015 | SIGI | S | 9,269 | $37.15 | $344,343 | 17,974 Direct | -34.02% | Disposed | 130.4% (price as of 2026-10-02) |
| Oct. 30, 2015 | SIGI | M | 4,238 | $27.19 | $115,231 | 27,243 Direct | +18.42% | Acquired | 214.8% (price as of 2026-10-02) |
| Oct. 30, 2015 | SIGI | M | 5,031 | $24.54 | $123,461 | 23,005 Direct | +27.99% | Acquired | 248.8% (price as of 2026-10-02) |
| Oct. 31, 2014 | SIGI | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 31, 2014 | SIGI | S | 6,000 | $25.23 | $151,380 | 33,674 Direct | -15.12% | Disposed | 239.2% (price as of 2026-10-02) |
| Oct. 31, 2014 | SIGI | A | 243 | · | · | 39,674 Direct | +0.62% | Acquired | (price as of 2026-10-02) |
| Oct. 31, 2014 | SIGI | M | 6,000 | $23.18 | $139,080 | 39,431 Direct | +17.95% | Acquired | 269.2% (price as of 2026-10-02) |
| Aug. 1, 2014 | SIGI | A | 270 | · | · | 33,398 Direct | +0.82% | Acquired | (price as of 2026-10-02) |
| May 5, 2014 | SIGI | S | 4,619 | $23.07 | $106,560 | 33,095 Direct | -12.25% | Disposed | 271.0% (price as of 2026-10-02) |
| April 25, 2014 | SIGI | A | 3,053 | · | · | 37,714 Direct | +8.81% | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2014 | SIGI | A | 276 | · | · | 34,623 Direct | +0.80% | Acquired | (price as of 2026-10-02) |
| Nov. 1, 2013 | SIGI | S | 7,193 | $25.68 | $184,716 | 34,316 Direct | -17.33% | Disposed | 233.3% (price as of 2026-10-02) |
| Nov. 1, 2013 | SIGI | A | 241 | · | · | 41,509 Direct | +0.58% | Acquired | (price as of 2026-10-02) |
| Aug. 2, 2013 | SIGI | A | 247 | · | · | 41,230 Direct | +0.60% | Acquired | (price as of 2026-10-02) |
| May 3, 2013 | SIGI | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 3, 2013 | SIGI | S | 6,000 | $23.43 | $140,580 | 40,947 Direct | -12.78% | Disposed | 265.3% (price as of 2026-10-02) |
| May 3, 2013 | SIGI | S | 4,000 | $23.09 | $92,360 | 46,947 Direct | -7.85% | Disposed | 270.7% (price as of 2026-10-02) |
| May 3, 2013 | SIGI | M | 6,000 | $18.58 | $111,480 | 50,947 Direct | +13.35% | Acquired | 360.7% (price as of 2026-10-02) |
| April 26, 2013 | SIGI | A | 3,057 | · | · | 44,947 Direct | +7.30% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2013 | SIGI | A | 290 | · | · | 41,848 Direct | +0.70% | Acquired | (price as of 2026-10-02) |
| Oct. 26, 2012 | SIGI | S | 7,000 | $18.89 | $132,230 | 41,509 Direct | -14.43% | Disposed | 353.1% (price as of 2026-10-02) |
| May 3, 2012 | SIGI | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 3, 2012 | SIGI | S | 6,000 | $17.71 | $106,260 | 48,405 Direct | -11.03% | Disposed | 383.3% (price as of 2026-10-02) |
| May 3, 2012 | SIGI | M | 6,000 | $11.78 | $70,680 | 54,405 Direct | +12.40% | Acquired | 626.6% (price as of 2026-10-02) |
| April 27, 2012 | SIGI | A | 3,728 | · | · | 48,405 Direct | +8.34% | Acquired | (price as of 2026-10-02) |
| Oct. 28, 2011 | SIGI | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 28, 2011 | SIGI | S | 6,000 | $16.53 | $99,180 | 44,580 Direct | -11.86% | Disposed | 417.8% (price as of 2026-10-02) |
| Oct. 28, 2011 | SIGI | M | 6,000 | $11.34 | $68,040 | 50,580 Direct | +13.46% | Acquired | 654.8% (price as of 2026-10-02) |
| April 29, 2011 | SIGI | A | 3,685 | · | · | 44,479 Direct | +9.03% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2010 | SIGI | A | 384 | · | · | 40,727 Direct | +0.95% | Acquired | (price as of 2026-10-02) |
| July 1, 2010 | SIGI | A | 426 | · | · | 40,305 Direct | +1.07% | Acquired | (price as of 2026-10-02) |
| April 30, 2010 | SIGI | M | 6,000 | $10.83 | $64,980 | 51,291 Direct | +13.25% | Acquired | 690.3% (price as of 2026-10-02) |
| April 30, 2010 | SIGI | A | 1,945 | · | · | 53,236 Direct | +3.79% | Acquired | (price as of 2026-10-02) |
| April 30, 2010 | SIGI | S | 5,670 | $16.86 | $95,596 | 47,566 Direct | -10.65% | Disposed | 407.7% (price as of 2026-10-02) |
| April 30, 2010 | SIGI | A | 7,953 | · | · | 7,953 Direct | · | Acquired | (price as of 2026-10-02) |
| April 30, 2010 | SIGI | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 30, 2010 | SIGI | S | 7,724 | $16.86 | $130,227 | 39,842 Direct | -16.24% | Disposed | 407.7% (price as of 2026-10-02) |
| April 1, 2010 | SIGI | A | 373 | · | · | 45,291 Direct | +0.83% | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2010 | SIGI | A | 373 | · | · | 44,887 Direct | +0.84% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2009 | SIGI | A | 404 | · | · | 44,483 Direct | +0.92% | Acquired | (price as of 2026-10-02) |
| July 1, 2009 | SIGI | A | 476 | · | · | 44,050 Direct | +1.09% | Acquired | (price as of 2026-10-02) |
| April 1, 2009 | SIGI | A | 512 | · | · | 43,537 Direct | +1.19% | Acquired | (price as of 2026-10-02) |
| March 2, 2009 | SIGI | A | 14,612 | · | · | 14,612 Direct | · | Acquired | (price as of 2026-10-02) |
| March 2, 2009 | SIGI | A | 2,802 | · | · | 43,010 Direct | +6.97% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2009 | SIGI | A | 276 | $22.71 | $6,268 | 40,208 Direct | +0.69% | Acquired | 276.9% (price as of 2026-10-02) |
| Oct. 1, 2008 | SIGI | A | 492 | $25.44 | $12,516 | 39,924 Direct | +1.25% | Acquired | 236.4% (price as of 2026-10-02) |
| July 1, 2008 | SIGI | A | 657 | $19.03 | $12,503 | 39,424 Direct | +1.69% | Acquired | 349.8% (price as of 2026-10-02) |
| April 1, 2008 | SIGI | A | 505 | $24.78 | $12,514 | 38,759 Direct | +1.32% | Acquired | 245.4% (price as of 2026-10-02) |
| March 3, 2008 | SIGI | A | 6,275 | · | · | 6,275 Direct | · | Acquired | (price as of 2026-10-02) |
| March 3, 2008 | SIGI | A | 1,359 | · | · | 38,254 Direct | +3.68% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2008 | SIGI | A | 550 | $22.73 | $12,502 | 36,895 Direct | +1.51% | Acquired | 276.6% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | S | 2,000 | $24.30 | $48,600 | 36,345 Direct | -5.22% | Disposed | 252.2% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | S | 1,000 | $24.32 | $24,320 | 38,345 Direct | -2.54% | Disposed | 251.9% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | S | 1,000 | $24.40 | $24,400 | 39,345 Direct | -2.48% | Disposed | 250.8% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | S | 800 | $24.24 | $19,392 | 40,345 Direct | -1.94% | Disposed | 253.1% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | S | 496 | $24.26 | $12,033 | 41,145 Direct | -1.19% | Disposed | 252.8% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | S | 365 | $24.23 | $8,844 | 41,641 Direct | -0.87% | Disposed | 253.2% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | S | 239 | $24.25 | $5,796 | 42,006 Direct | -0.57% | Disposed | 252.9% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | S | 100 | $24.21 | $2,421 | 42,245 Direct | -0.24% | Disposed | 253.5% (price as of 2026-10-02) |
| Oct. 29, 2007 | SIGI | M | 6,000 | $13.56 | $81,360 | 42,345 Direct | +16.51% | Acquired | 531.2% (price as of 2026-10-02) |
| Oct. 1, 2007 | SIGI | A | 569 | $21.97 | $12,501 | 36,345 Direct | +1.59% | Acquired | 289.6% (price as of 2026-10-02) |
| July 2, 2007 | SIGI | A | 460 | $27.19 | $12,507 | 35,776 Direct | +1.30% | Acquired | 214.8% (price as of 2026-10-02) |
| April 2, 2007 | SIGI | A | 491 | $25.51 | $12,525 | 35,316 Direct | +1.41% | Acquired | 235.5% (price as of 2026-10-02) |
| March 1, 2007 | SIGI | A | 5,031 | · | · | 5,031 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2007 | SIGI | A | 1,325 | · | · | 34,825 Direct | +3.96% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2007 | SIGI | A | 219 | $57.20 | $12,527 | 16,750 Direct | +1.32% | Acquired | 199.3% (price as of 2026-10-02) |
| Nov. 9, 2006 | SIGI | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 9, 2006 | SIGI | S | 100 | $53.90 | $5,390 | 16,531 Direct | -0.60% | Disposed | 217.6% (price as of 2026-10-02) |
| Nov. 9, 2006 | SIGI | S | 2,900 | $53.89 | $156,281 | 16,631 Direct | -14.85% | Disposed | 217.6% (price as of 2026-10-02) |
| Nov. 9, 2006 | SIGI | M | 3,000 | $20.81 | $62,430 | 19,531 Direct | +18.15% | Acquired | 722.6% (price as of 2026-10-02) |
| Oct. 2, 2006 | SIGI | A | 240 | $52.10 | $12,504 | 16,531 Direct | +1.47% | Acquired | 228.6% (price as of 2026-10-02) |
| July 3, 2006 | SIGI | A | 224 | $56.04 | $12,553 | 16,291 Direct | +1.39% | Acquired | 205.5% (price as of 2026-10-02) |
| April 3, 2006 | SIGI | A | 237 | $52.84 | $12,523 | 16,067 Direct | +1.50% | Acquired | 224.0% (price as of 2026-10-02) |
| March 1, 2006 | SIGI | A | 4,238 | · | · | 4,238 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2006 | SIGI | A | 598 | · | · | 598 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2006 | SIGI | A | 598 | · | · | 15,830 Direct | +3.93% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2006 | SIGI | A | 199 | $54.23 | $10,792 | 15,232 Direct | +1.32% | Acquired | 215.7% (price as of 2026-10-02) |
| Oct. 3, 2005 | SIGI | A | 219 | $49.17 | $10,768 | 15,033 Direct | +1.48% | Acquired | 248.1% (price as of 2026-10-02) |
| July 1, 2005 | SIGI | A | 216 | $49.78 | $10,752 | 14,814 Direct | +1.48% | Acquired | 243.9% (price as of 2026-10-02) |
| April 1, 2005 | SIGI | A | 235 | $45.88 | $10,782 | 14,598 Direct | +1.64% | Acquired | 273.1% (price as of 2026-10-02) |
| March 1, 2005 | SIGI | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2005 | SIGI | A | 245 | $44.00 | $10,780 | 14,363 Direct | +1.74% | Acquired | 289.0% (price as of 2026-10-02) |
| Nov. 15, 2004 | SIGI | S | 100 | $41.64 | $4,164 | 17,275 Direct | -0.58% | Disposed | 311.1% (price as of 2026-10-02) |
| Nov. 15, 2004 | SIGI | S | 100 | $41.60 | $4,160 | 17,375 Direct | -0.57% | Disposed | 311.5% (price as of 2026-10-02) |
| Nov. 15, 2004 | SIGI | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2004 | SIGI | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2004 | SIGI | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 118 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. 14, 2017 | SIGI | Stock Option | Common Stock | $11.60 | March 2, 2019 | 14,612 | Disposed |
| May 23, 2017 | SIGI | Stock Option | Common Stock | $23.93 | March 3, 2018 | 6,275 | Disposed |
| Oct. 30, 2015 | SIGI | Stock Option | Common Stock | $24.54 | March 1, 2017 | 5,031 | Disposed |
| Oct. 30, 2015 | SIGI | Stock Option | Common Stock | $27.19 | March 1, 2016 | 4,238 | Disposed |
| Oct. 31, 2014 | SIGI | Stock Option | Common Stock | $23.18 | March 1, 2015 | 6,000 | Disposed |
| May 3, 2013 | SIGI | Stock Option | Common Stock | $18.58 | March 1, 2014 | 6,000 | Disposed |
| May 3, 2012 | SIGI | Stock Option | Common Stock | $11.78 | March 3, 2013 | 6,000 | Disposed |
| Oct. 28, 2011 | SIGI | Stock Option | Common Stock | $11.34 | March 1, 2012 | 6,000 | Disposed |
| April 30, 2010 | SIGI | Stock Option | Common Stock | $16.71 | April 30, 2020 | 7,953 | Acquired |
| April 30, 2010 | SIGI | Stock Option | Common Stock | $10.83 | March 1, 2011 | 6,000 | Disposed |
| March 2, 2009 | SIGI | Stock Option | Common Stock | $11.60 | March 2, 2019 | 14,612 | Acquired |
| March 3, 2008 | SIGI | Stock Option | Common Stock | $23.93 | March 3, 2018 | 6,275 | Acquired |
| Oct. 29, 2007 | SIGI | Stock Option | Common Stock | $13.56 | March 2, 2008 | 6,000 | Disposed |
| March 1, 2007 | SIGI | Stock Option | Common Stock | $24.54 | March 1, 2017 | 5,031 | Acquired |
| Nov. 9, 2006 | SIGI | Stock Option | Common Stock | $20.81 | March 3, 2007 | 3,000 | Disposed |
| March 1, 2006 | SIGI | Stock Option | Common Stock | $27.19 | March 1, 2016 | 4,238 | Acquired |
| March 1, 2006 | SIGI | Stock Option | Common Stock | $54.38 | March 1, 2016 | 598 | Acquired |
| March 1, 2005 | SIGI | Stock Option | Common Stock | $46.36 | March 1, 2015 | 3,000 | Acquired |
| Nov. 15, 2004 | SIGI | Stock Option | Common Stock | $18.31 | March 1, 2009 | 3,000 | Disposed |
| Nov. 15, 2004 | SIGI | Stock Option | Common Stock | $18.31 | March 1, 2006 | 3,000 | Disposed |
| Nov. 15, 2004 | SIGI | Stock Option | Common Stock | $15.23 | March 1, 2010 | 3,000 | Disposed |
| March 1, 2004 | SIGI | Stock Option | Common Stock | $37.15 | March 1, 2014 | 3,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.