Christopher L Augostini
First SEC filing: June 4, 2026 · Latest: June 4, 2026
Insider at
Insider transactions
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 3, 2026 | WRB | A | 3,090 | · | · | 109,859 Direct | +2.89% | Acquired | |
| June 11, 2025 | WRB | A | 2,776 | · | · | 106,769 Direct | +2.67% | Acquired | |
| June 12, 2024 | WRB | A | 2,534 | · | · | 69,329 Direct | +3.79% | Acquired | |
| June 14, 2023 | WRB | A | 3,479 | · | · | 66,795 Direct | +5.49% | Acquired | |
| June 15, 2022 | WRB | A | 2,995 | · | · | 63,316 Direct | +4.97% | Acquired | |
| Dec. 1, 2021 | WRB | M | 6,708 | · | · | 46,922 Direct | +16.68% | Acquired | |
| Dec. 1, 2021 | WRB | D | 6,708 | $77.73 | $521,413 | 40,214 Direct | -14.30% | Disposed | 112.3% (price as of ) |
| Dec. 1, 2021 | WRB | M | 6,708 | · | · | 0 Direct | -100.00% | Disposed | |
| June 15, 2021 | WRB | A | 2,652 | · | · | 40,214 Direct | +7.06% | Acquired | |
| Jan. 4, 2021 | WRB | A | 22 | $65.70 | $1,445 | 6,708 Direct | +0.33% | Acquired | |
| Dec. 1, 2020 | WRB | A | 37 | $67.02 | $2,480 | 6,686 Direct | +0.56% | Acquired | |
| Nov. 2, 2020 | WRB | A | 358 | $61.42 | $21,988 | 6,649 Direct | +5.69% | Acquired | |
| Oct. 1, 2020 | WRB | A | 24 | $60.87 | $1,461 | 6,291 Direct | +0.38% | Acquired | |
| Sept. 1, 2020 | WRB | A | 40 | $62.12 | $2,485 | 6,267 Direct | +0.64% | Acquired | |
| Aug. 3, 2020 | WRB | A | 354 | $61.98 | $21,941 | 6,227 Direct | +6.03% | Acquired | |
| June 12, 2020 | WRB | A | 3,483 | · | · | 37,562 Direct | +10.22% | Acquired | |
| June 1, 2020 | WRB | A | 26 | $57.44 | $1,493 | 5,725 Direct | +0.46% | Acquired | |
| May 1, 2020 | WRB | A | 422 | $52.10 | $21,986 | 5,699 Direct | +8.00% | Acquired | |
| March 2, 2020 | WRB | A | 36 | $68.39 | $2,462 | 5,277 Direct | +0.69% | Acquired | |
| Feb. 3, 2020 | WRB | A | 295 | $74.37 | $21,939 | 5,241 Direct | +5.96% | Acquired | |
| Dec. 2, 2019 | WRB | A | 58 | $68.11 | $3,950 | 4,946 Direct | +1.19% | Acquired | |
| Nov. 1, 2019 | WRB | A | 314 | $69.87 | $21,939 | 4,888 Direct | +6.86% | Acquired | |
| Sept. 3, 2019 | WRB | A | 35 | $71.34 | $2,497 | 4,574 Direct | +0.77% | Acquired | |
| Aug. 1, 2019 | WRB | A | 316 | $69.53 | $21,971 | 4,539 Direct | +7.48% | Acquired | |
| July 1, 2019 | WRB | A | 113 | $65.90 | $7,447 | 4,223 Direct | +2.75% | Acquired | |
| June 6, 2019 | WRB | A | 3,151 | · | · | 34,079 Direct | +10.19% | Acquired | |
| June 3, 2019 | WRB | A | 16 | $62.36 | $998 | 4,110 Direct | +0.39% | Acquired | |
| May 1, 2019 | WRB | A | 358 | $61.40 | $21,981 | 4,094 Direct | +9.58% | Acquired | |
| March 1, 2019 | WRB | A | 29 | $84.24 | $2,443 | 2,490 Direct | +1.18% | Acquired | |
| Feb. 1, 2019 | WRB | A | 284 | $77.26 | $21,942 | 2,461 Direct | +13.05% | Acquired | |
| May 31, 2018 | WRB | A | 2,619 | · | · | 20,619 Direct | +14.55% | Acquired | |
| May 16, 2017 | WRB | A | 3,000 | · | · | 18,000 Direct | +20.00% | Acquired | |
| May 25, 2016 | WRB | A | 3,000 | · | · | 15,000 Direct | +25.00% | Acquired | |
| May 20, 2014 | WRB | A | 3,000 | · | · | 9,000 Direct | +50.00% | Acquired | |
| Jan. 2, 2014 | WRB | A | 34 | $42.98 | $1,461 | 2,177 Direct | +1.59% | Acquired | |
| Dec. 2, 2013 | WRB | A | 34 | $43.17 | $1,468 | 2,143 Direct | +1.61% | Acquired | |
| Nov. 1, 2013 | WRB | A | 288 | $43.72 | $12,591 | 2,109 Direct | +15.82% | Acquired | |
| Sept. 3, 2013 | WRB | A | 36 | $41.20 | $1,483 | 1,821 Direct | +2.02% | Acquired | |
| Aug. 1, 2013 | WRB | A | 293 | $42.96 | $12,587 | 1,785 Direct | +19.64% | Acquired | |
| June 3, 2013 | WRB | A | 110 | $40.78 | $4,486 | 1,492 Direct | +7.96% | Acquired | |
| May 21, 2013 | WRB | A | 3,000 | · | · | 6,000 Direct | +100.00% | Acquired | |
| May 1, 2013 | WRB | A | 250 | $43.15 | $10,788 | 1,382 Direct | +22.08% | Acquired | |
| April 1, 2013 | WRB | A | 13 | $44.28 | $576 | 1,132 Direct | +1.16% | Acquired | |
| March 1, 2013 | WRB | A | 36 | $41.40 | $1,490 | 1,119 Direct | +3.32% | Acquired | |
| Feb. 1, 2013 | WRB | A | 273 | $41.66 | $11,373 | 1,083 Direct | +33.70% | Acquired | |
| Jan. 2, 2013 | WRB | A | 39 | $38.34 | $1,495 | 810 Direct | +5.06% | Acquired | |
| Dec. 3, 2012 | WRB | A | 60 | $39.64 | $2,378 | 771 Direct | +8.44% | Acquired | |
| Nov. 1, 2012 | WRB | A | 276 | $39.06 | $10,781 | 711 Direct | +63.45% | Acquired | |
| Sept. 4, 2012 | WRB | A | 63 | $37.56 | $2,366 | 435 Direct | +16.94% | Acquired | |
| Aug. 1, 2012 | WRB | A | 294 | $36.66 | $10,778 | 372 Direct | +376.92% | Acquired | |
| June 1, 2012 | WRB | A | 3,000 | · | · | 3,000 Direct | · | Acquired | |
| June 1, 2012 | WRB | A | 78 | $38.01 | $2,965 | 78 Direct | · | Acquired |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 1, 2021 | WRB | Phantom Stock | Common Stock | · | Dec. 1, 2021 | 6,708 | Disposed |
| Jan. 4, 2021 | WRB | Phantom Stock | Common Stock | · | · | 22 | Acquired |
| Dec. 1, 2020 | WRB | Phantom Stock | Common Stock | · | · | 37 | Acquired |
| Nov. 2, 2020 | WRB | Phantom Stock | Common Stock | · | · | 358 | Acquired |
| Oct. 1, 2020 | WRB | Phantom Stock | Common Stock | · | · | 24 | Acquired |
| Sept. 1, 2020 | WRB | Phantom Stock | Common Stock | · | · | 40 | Acquired |
| Aug. 3, 2020 | WRB | Phantom Stock | Common Stock | · | · | 354 | Acquired |
| June 1, 2020 | WRB | Phantom Stock | Common Stock | · | · | 26 | Acquired |
| May 1, 2020 | WRB | Phantom Stock | Common Stock | · | · | 422 | Acquired |
| March 2, 2020 | WRB | Phantom Stock | Common Stock | · | · | 36 | Acquired |
| Feb. 3, 2020 | WRB | Phantom Stock | Common Stock | · | · | 295 | Acquired |
| Dec. 2, 2019 | WRB | Phantom Stock | Common Stock | · | · | 58 | Acquired |
| Nov. 1, 2019 | WRB | Phantom Stock | Common Stock | · | · | 314 | Acquired |
| Sept. 3, 2019 | WRB | Phantom Stock | Common Stock | · | · | 35 | Acquired |
| Aug. 1, 2019 | WRB | Phantom Stock | Common Stock | · | · | 316 | Acquired |
| July 1, 2019 | WRB | Phantom Stock | Common Stock | · | · | 113 | Acquired |
| June 3, 2019 | WRB | Phantom Stock | Common Stock | · | · | 16 | Acquired |
| May 1, 2019 | WRB | Phantom Stock | Common Stock | · | · | 358 | Acquired |
| March 1, 2019 | WRB | Phantom Stock | Common Stock | · | · | 29 | Acquired |
| Feb. 1, 2019 | WRB | Phantom Stock | Common Stock | · | · | 284 | Acquired |
| Jan. 2, 2014 | WRB | Phantom Stock | Common Stock | · | · | 34 | Acquired |
| Dec. 2, 2013 | WRB | Phantom Stock | Common Stock | · | · | 34 | Acquired |
| Nov. 1, 2013 | WRB | Phantom Stock | Common Stock | · | · | 288 | Acquired |
| Sept. 3, 2013 | WRB | Phantom Stock | Common Stock | · | · | 36 | Acquired |
| Aug. 1, 2013 | WRB | Phantom Stock | Common Stock | · | · | 293 | Acquired |
| June 3, 2013 | WRB | Phantom Stock | Common Stock | · | · | 110 | Acquired |
| May 1, 2013 | WRB | Phantom Stock | Common Stock | · | · | 250 | Acquired |
| April 1, 2013 | WRB | Phantom Stock | Common Stock | · | · | 13 | Acquired |
| March 1, 2013 | WRB | Phantom Stock | Common Stock | · | · | 36 | Acquired |
| Feb. 1, 2013 | WRB | Phantom Stock | Common Stock | · | · | 273 | Acquired |
| Jan. 2, 2013 | WRB | Phantom Stock | Common Stock | · | · | 39 | Acquired |
| Dec. 3, 2012 | WRB | Phantom Stock | Common Stock | · | · | 60 | Acquired |
| Nov. 1, 2012 | WRB | Phantom Stock | Common Stock | · | · | 276 | Acquired |
| Sept. 4, 2012 | WRB | Phantom Stock | Common Stock | · | · | 63 | Acquired |
| Aug. 1, 2012 | WRB | Phantom Stock | Common Stock | · | · | 294 | Acquired |
| June 1, 2012 | WRB | Phantom Stock | Common Stock | · | · | 78 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 29, 2012 | WRB | Common Stock | 0 | Direct |