Robert S Silberman

CIK 1256121 · View on SEC EDGAR ↗

Insider

First SEC filing: June 19, 2014 · Latest: June 19, 2014

On this page

Insider at

Insider transactions

1 buys (P) 0 sells (S) Net: $58,029 + 51 non-open-market transactions below Avg return of open purchases vs now: 1.4% 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

51 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 13, 2026 STRA P 718 $80.82 $58,029 319,870 Direct +0.22% Acquired 1.4% (price as of 2026-08-19)
Feb. 28, 2022 STRA P 3,001 $61.14 $183,481 238,530 Direct +1.27% Acquired 34.1% (price as of 2026-08-19)
Feb. 28, 2022 STRA P 10,000 $59.97 $599,700 235,529 Direct +4.43% Acquired 36.7% (price as of 2026-08-19)
Nov. 18, 2021 STRA P 10,000 $57.99 $579,900 183,959 Direct +5.75% Acquired 41.4% (price as of 2026-08-19)
March 3, 2021 STRA P 4,000 $77.64 $310,560 173,959 Direct +2.35% Acquired 5.6% (price as of 2026-08-19)
March 2, 2020 STRA S 10b5-1 120 $149.00 $17,880 114,692 Direct -0.10% Disposed -45.0% (price as of 2026-08-19)
March 2, 2020 STRA S 10b5-1 6,650 $147.76 $982,604 114,812 Direct -5.47% Disposed -44.5% (price as of 2026-08-19)
March 2, 2020 STRA S 10b5-1 10,063 $146.93 $1,478,557 121,462 Direct -7.65% Disposed -44.2% (price as of 2026-08-19)
March 2, 2020 STRA S 10b5-1 9,212 $145.99 $1,344,860 131,525 Direct -6.55% Disposed -43.8% (price as of 2026-08-19)
March 2, 2020 STRA S 10b5-1 6,182 $145.09 $896,946 140,737 Direct -4.21% Disposed -43.5% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 100 $148.86 $14,886 146,919 Direct -0.07% Disposed -44.9% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 9,244 $148.30 $1,370,885 147,019 Direct -5.92% Disposed -44.7% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 13,972 $147.21 $2,056,818 156,263 Direct -8.21% Disposed -44.3% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 26,067 $146.03 $3,806,564 170,235 Direct -13.28% Disposed -43.9% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 1,409 $144.64 $203,798 196,302 Direct -0.71% Disposed -43.3% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 9,198 $144.05 $1,324,972 197,711 Direct -4.45% Disposed -43.1% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 382 $142.39 $54,393 206,909 Direct -0.18% Disposed -42.4% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 370 $141.28 $52,274 207,291 Direct -0.18% Disposed -42.0% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 3,110 $140.04 $435,524 207,661 Direct -1.48% Disposed -41.5% (price as of 2026-08-19)
Feb. 28, 2020 STRA S 10b5-1 600 $138.36 $83,016 210,771 Direct -0.28% Disposed -40.7% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 392 $152.08 $59,615 211,371 Direct -0.19% Disposed -46.1% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 2,107 $151.64 $319,505 211,763 Direct -0.99% Disposed -45.9% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 2,295 $150.64 $345,719 213,870 Direct -1.06% Disposed -45.6% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 4,012 $149.40 $599,393 216,165 Direct -1.82% Disposed -45.1% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 7,757 $148.56 $1,152,380 220,177 Direct -3.40% Disposed -44.8% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 3,541 $147.65 $522,829 227,934 Direct -1.53% Disposed -44.5% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 5,573 $146.37 $815,720 231,475 Direct -2.35% Disposed -44.0% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 2,658 $145.29 $386,181 237,048 Direct -1.11% Disposed -43.6% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 3,542 $144.37 $511,359 239,706 Direct -1.46% Disposed -43.2% (price as of 2026-08-19)
Feb. 27, 2020 STRA S 10b5-1 349 $143.40 $50,047 243,248 Direct -0.14% Disposed -42.8% (price as of 2026-08-19)
Nov. 19, 2019 PARR S 66,973 $25.01 $1,674,995 60,000 Direct -52.75% Disposed 215.0% (price as of 2026-08-19)
Nov. 18, 2019 PARR S 66,972 $25.08 $1,679,658 60,000 Direct -52.75% Disposed 214.2% (price as of 2026-08-19)
Nov. 15, 2019 PARR S 16,055 $25.11 $403,141 60,000 Direct -21.11% Disposed 213.8% (price as of 2026-08-19)
Aug. 6, 2018 STRA S 3,338 $123.52 $412,310 304,793 Direct -1.08% Disposed -33.6% (price as of 2026-08-19)
Aug. 6, 2018 STRA S 30,662 $123.00 $3,771,426 308,131 Direct -9.05% Disposed -33.3% (price as of 2026-08-19)
Aug. 3, 2018 STRA S 2,400 $126.96 $304,704 304,793 Direct -0.78% Disposed -35.4% (price as of 2026-08-19)
Aug. 3, 2018 STRA S 3,120 $125.78 $392,434 307,193 Direct -1.01% Disposed -34.8% (price as of 2026-08-19)
Aug. 3, 2018 STRA S 2,716 $125.25 $340,179 310,313 Direct -0.87% Disposed -34.5% (price as of 2026-08-19)
Aug. 3, 2018 STRA S 6,262 $123.70 $774,609 313,029 Direct -1.96% Disposed -33.7% (price as of 2026-08-19)
Aug. 3, 2018 STRA S 18,502 $122.98 $2,275,376 319,291 Direct -5.48% Disposed -33.3% (price as of 2026-08-19)
Aug. 2, 2018 STRA S 300 $130.00 $39,000 304,793 Direct -0.10% Disposed -36.9% (price as of 2026-08-19)
Aug. 2, 2018 STRA S 900 $128.26 $115,434 305,093 Direct -0.29% Disposed -36.1% (price as of 2026-08-19)
Aug. 2, 2018 STRA S 2,100 $127.10 $266,910 305,993 Direct -0.68% Disposed -35.5% (price as of 2026-08-19)
Aug. 2, 2018 STRA S 3,021 $126.14 $381,069 308,093 Direct -0.97% Disposed -35.0% (price as of 2026-08-19)
Aug. 2, 2018 STRA S 2,825 $125.21 $353,718 311,114 Direct -0.90% Disposed -34.5% (price as of 2026-08-19)
Aug. 2, 2018 STRA S 5,039 $123.85 $624,080 313,939 Direct -1.58% Disposed -33.8% (price as of 2026-08-19)
Aug. 2, 2018 STRA S 11,915 $122.94 $1,464,830 318,978 Direct -3.60% Disposed -33.3% (price as of 2026-08-19)
Aug. 2, 2018 STRA S 6,900 $122.11 $842,559 330,893 Direct -2.04% Disposed -32.9% (price as of 2026-08-19)
Nov. 14, 2016 PARR P 395 $14.73 $5,818 60,000 Direct +0.66% Acquired 434.9% (price as of 2026-08-19)

Showing latest 100 of 139 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
July 5, 2026 PARR Restricted stock units Common stock (1,026) — — 1,026 Acquired
April 5, 2023 PARR Restricted stock units Common stock (1,410) — — 1,410 Acquired
Jan. 5, 2023 PARR Restricted stock units Common stock (1,811) — — 1,811 Acquired
Oct. 5, 2022 PARR Restricted stock units Common stock (1,972) — — 1,972 Acquired
July 5, 2022 PARR Restricted stock units Common stock (2,465) — — 2,465 Acquired
April 5, 2022 PARR Restricted stock units Common stock (2,841) — — 2,841 Acquired
Jan. 5, 2022 PARR Restricted stock units Common stock (2,224) — — 2,224 Acquired
Oct. 5, 2021 PARR Restricted stock units Common stock (2,385) — — 2,385 Acquired
July 5, 2021 PARR Restricted stock units Common stock (2,250) — — 2,250 Acquired
April 5, 2021 PARR Restricted stock units Common stock (2,534) — — 2,534 Acquired
Jan. 5, 2021 PARR Restricted stock units Common stock (2,650) — — 2,650 Acquired
Oct. 5, 2020 PARR Restricted stock units Common stock (5,245) — — 5,245 Acquired
July 5, 2020 PARR Restricted Stock Units Common stock (4,340) — — 4,340 Acquired
April 5, 2020 PARR Restricted stock units Common stock (5,682) — — 5,682 Acquired
Jan. 5, 2020 PARR Restricted stock units Common stock (1,690) — — 1,690 Acquired
Nov. 19, 2019 PARR Stock option Common stock (66,973) $21.44 Oct. 11, 2021 66,973 Disposed
Nov. 18, 2019 PARR Stock option Common stock (66,972) $21.44 Oct. 11, 2021 66,972 Disposed
Nov. 15, 2019 PARR Stock option Common stock (16,055) $21.44 Oct. 11, 2021 16,055 Disposed
Oct. 5, 2019 PARR Restricted stock units Common stock (1,649) — — 1,649 Acquired
July 5, 2019 PARR Restricted stock units Common stock (1,737) — — 1,737 Acquired
May 9, 2019 PARR Stock option Common stock (36,454) $15.24 Nov. 14, 2019 36,454 Acquired
April 5, 2019 PARR Restricted stock units Common stock (2,065) — — 2,065 Acquired
Jan. 5, 2019 PARR Restricted stock units Common stock (2,505) — — 2,505 Acquired
Oct. 5, 2018 PARR Restricted Stock Units Common stock (1,168) — — 1,168 Acquired
Aug. 6, 2018 STRA Stock Option Common Stcok (34,000) $51.95 Feb. 14, 2021 34,000 Disposed
Aug. 3, 2018 STRA Stock Option Common Stock (33,000) $51.95 Feb. 14, 2021 33,000 Disposed
Aug. 2, 2018 STRA Stock Option Common Stock (33,000) $51.95 Feb. 14, 2021 33,000 Disposed
July 5, 2018 PARR Restricted stock units Common stock (1,292) — — 1,292 Acquired
April 5, 2018 PARR Restricted stock units Common stock (1,652) — — 1,652 Acquired
Jan. 5, 2018 PARR Restricted stock units Common stock (830) — — 830 Acquired
Oct. 5, 2017 PARR Restricted stock units Common stock (753) — — 753 Acquired
July 5, 2017 PARR Restricted stock units Common stock (860) — — 860 Acquired
April 5, 2017 PARR Restricted stock units Common stock (957) — — 957 Acquired
Jan. 5, 2017 PARR Restricted stock units Common stock (1,063) — — 1,063 Acquired
Oct. 5, 2016 PARR Restricted stock units Common stock (1,095) — — 1,095 Acquired
Sept. 14, 2016 PARR Subscription Rights (right to buy) [F1] Common stock $12.25 Sept. 14, 2016 38,559 Disposed
July 5, 2016 PARR Restricted stock units Common stock (1,053) — — 1,053 Acquired
April 5, 2016 PARR Restricted stock units Common stock (831) — — 831 Acquired
Jan. 5, 2016 PARR Restricted stock units Common stock (651) — — 651 Acquired
Oct. 12, 2015 PARR Stock option Common stock (150,000) $21.44 Oct. 11, 2021 150,000 Acquired
Nov. 14, 2014 PARR Stock option (right to buy) Common stock (36,454) $15.24 Nov. 13, 2019 36,454 Acquired
Feb. 15, 2013 STRA Employee Stock Option (right to buy) Common Stock (100,000) $51.95 Feb. 14, 2021 100,000 Acquired
May 2, 2008 STRA Employee Stock Option (right to buy) Common Stock (100,000) $53.61 Feb. 11, 2009 100,000 Disposed
March 6, 2008 STRA Employee Stock Option (right to buy) Common Stock (33,500) $33.69 April 5, 2008 33,500 Disposed
Feb. 29, 2008 STRA Employee Stock Option (right to buy) Common Stock (16,500) $33.69 April 5, 2008 16,500 Disposed
Feb. 28, 2008 STRA Employee Stock Option (right to buy) Common Stock (50,000) $33.69 April 5, 2008 50,000 Disposed
Feb. 20, 2007 STRA Employee Stock Option (right to buy) Common Stock (200,000) $33.69 April 5, 2008 200,000 Disposed
Feb. 15, 2005 STRA Employee Stock Option (right to buy) Common Stock (100,000) $107.28 Feb. 14, 2013 100,000 Acquired
March 15, 2004 STRA Employee Stock Option (right to buy) Common Stock (50,000) $33.69 April 5, 2008 50,000 Disposed

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
June 19, 2014 PARR Common stock 0 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

STRA

Chairman
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2024 $832,000 — $3,250,000 — — — $10,380 $4,092,380
2023 $800,000 — $3,200,000 — — — $9,930 $4,009,930
2022 $780,000 — $2,880,000 — $975,000 — $9,150 $4,644,150

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.