William H Weideman
Insider
First SEC filing: May 5, 2025 · Latest: May 5, 2025
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 1, 2026 | OLN | A | 7,023 | $28.48 | $200,015 | 53,657 Direct | +15.06% | Acquired | -42.9% (price as of 2026-10-05) |
| May 1, 2025 | OLN | A | 9,157 | $21.77 | $199,348 | 46,634 Direct | +24.43% | Acquired | -25.3% (price as of 2026-10-05) |
| May 1, 2024 | OLN | A | 2,188 | $52.58 | $115,045 | 37,477 Direct | +6.20% | Acquired | -69.1% (price as of 2026-10-05) |
| May 1, 2024 | OLN | A | 761 | $52.58 | $40,013 | 13,140 Direct | +6.15% | Acquired | -69.1% (price as of 2026-10-05) |
| May 1, 2023 | OLN | A | 2,089 | $55.07 | $115,041 | 35,289 Direct | +6.29% | Acquired | -70.5% (price as of 2026-10-05) |
| May 1, 2023 | OLN | A | 727 | $55.07 | $40,036 | 12,379 Direct | +6.24% | Acquired | -70.5% (price as of 2026-10-05) |
| May 2, 2022 | OLN | A | 679 | $58.95 | $40,027 | 11,652 Direct | +6.19% | Acquired | -72.4% (price as of 2026-10-05) |
| May 2, 2022 | OLN | A | 2,000 | $58.95 | $117,900 | 33,200 Direct | +6.41% | Acquired | -72.4% (price as of 2026-10-05) |
| March 1, 2021 | OLN | A | 3,600 | $32.21 | $115,956 | 31,200 Direct | +13.04% | Acquired | -49.5% (price as of 2026-10-05) |
| March 1, 2021 | OLN | A | 1,242 | $32.21 | $40,005 | 10,973 Direct | +12.76% | Acquired | -49.5% (price as of 2026-10-05) |
| March 2, 2020 | OLN | A | 7,100 | $16.26 | $115,446 | 27,600 Direct | +34.63% | Acquired | 0.1% (price as of 2026-10-05) |
| March 2, 2020 | OLN | A | 2,460 | $16.26 | $40,000 | 9,731 Direct | +33.83% | Acquired | 0.1% (price as of 2026-10-05) |
| March 1, 2019 | OLN | A | 1,568 | $25.51 | $40,000 | 7,271 Direct | +27.49% | Acquired | -36.2% (price as of 2026-10-05) |
| March 1, 2019 | OLN | A | 4,500 | $25.51 | $114,795 | 20,500 Direct | +28.12% | Acquired | -36.2% (price as of 2026-10-05) |
| March 1, 2018 | OLN | A | 3,600 | $32.34 | $116,424 | 16,000 Direct | +29.03% | Acquired | -49.7% (price as of 2026-10-05) |
| March 1, 2018 | OLN | A | 1,237 | $32.34 | $40,005 | 5,703 Direct | +27.70% | Acquired | -49.7% (price as of 2026-10-05) |
| March 1, 2017 | OLN | A | 3,600 | $32.01 | $115,236 | 12,400 Direct | +40.91% | Acquired | -49.2% (price as of 2026-10-05) |
| March 1, 2017 | OLN | A | 1,250 | $32.01 | $40,012 | 4,466 Direct | +38.87% | Acquired | -49.2% (price as of 2026-10-05) |
| March 1, 2016 | OLN | A | 7,500 | $15.33 | $114,975 | 8,800 Direct | +576.92% | Acquired | 6.1% (price as of 2026-10-05) |
| March 1, 2016 | OLN | A | 2,610 | $15.33 | $40,011 | 3,216 Direct | +430.69% | Acquired | 6.1% (price as of 2026-10-05) |
| Nov. 12, 2015 | OLN | A | 1,300 | $19.39 | $25,207 | 1,300 Direct | · | Acquired | -16.1% (price as of 2026-10-05) |
| Nov. 12, 2015 | OLN | A | 606 | $19.39 | $11,750 | 606 Direct | · | Acquired | -16.1% (price as of 2026-10-05) |
| Nov. 12, 2015 | OLN | A | 434 | $19.39 | $8,415 | 434 Direct | · | Acquired | -16.1% (price as of 2026-10-05) |
| Nov. 12, 2015 | OLN | A | 202 | $19.39 | $3,917 | 202 Direct | · | Acquired | -16.1% (price as of 2026-10-05) |
| March 7, 2014 | 29915 | M | 16,190 | · | · | 0 Direct | -100.00% | Disposed | |
| March 7, 2014 | 29915 | M | 36,400 | · | · | 0 Direct | -100.00% | Disposed | |
| March 7, 2014 | 29915 | M | 41,250 | · | · | 0 Direct | -100.00% | Disposed | |
| March 7, 2014 | 29915 | F | 31,798 | $50.10 | $1,593,080 | 234,455 Direct | -11.94% | Disposed | |
| March 7, 2014 | 29915 | F | 31,671 | $50.10 | $1,586,717 | 266,253 Direct | -10.63% | Disposed | |
| March 7, 2014 | 29915 | F | 14,114 | $50.10 | $707,111 | 297,924 Direct | -4.52% | Disposed | |
| March 7, 2014 | 29915 | F | 4,367 | $50.10 | $218,787 | 312,038 Direct | -1.38% | Disposed | |
| March 7, 2014 | 29915 | F | 2,186 | $50.10 | $109,519 | 316,405 Direct | -0.69% | Disposed | |
| March 7, 2014 | 29915 | F | 960 | $50.10 | $48,096 | 318,591 Direct | -0.30% | Disposed | |
| March 7, 2014 | 29915 | M | 16,190 | $43.68 | $707,179 | 319,551 Direct | +5.34% | Acquired | |
| March 7, 2014 | 29915 | M | 36,400 | $43.59 | $1,586,676 | 303,361 Direct | +13.63% | Acquired | |
| March 7, 2014 | 29915 | M | 41,250 | $38.62 | $1,593,075 | 266,961 Direct | +18.28% | Acquired | |
| Feb. 14, 2014 | 29915 | A | 91,850 | · | · | 91,850 Direct | · | Acquired | |
| Feb. 14, 2014 | 29915 | A | 18,830 | · | · | 225,711 Direct | +9.10% | Acquired | |
| Feb. 12, 2014 | 29915 | M | 11,670 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 12, 2014 | 29915 | F | 10,903 | $46.55 | $507,535 | 206,881 Direct | -5.01% | Disposed | |
| Feb. 12, 2014 | 29915 | F | 355 | $46.55 | $16,525 | 217,784 Direct | -0.16% | Disposed | |
| Feb. 12, 2014 | 29915 | M | 11,670 | $43.49 | $507,528 | 218,139 Direct | +5.65% | Acquired | |
| Feb. 11, 2014 | 29915 | F | 7,348 | $46.84 | $344,180 | 206,469 Direct | -3.44% | Disposed | |
| Feb. 15, 2013 | 29915 | A | 210,880 | · | · | 210,880 Direct | · | Acquired | |
| Feb. 15, 2013 | 29915 | A | 28,650 | · | · | 207,627 Direct | +16.01% | Acquired | |
| Feb. 12, 2013 | 29915 | F | 6,045 | $32.76 | $198,034 | 178,977 Direct | -3.27% | Disposed | |
| Dec. 20, 2012 | 29915 | M | 12,250 | · | · | 0 Direct | -100.00% | Disposed | |
| Dec. 20, 2012 | 29915 | M | 12,250 | $27.40 | $335,650 | 184,067 Direct | +7.13% | Acquired | |
| March 16, 2012 | 29915 | F | 6,139 | $35.30 | $216,707 | 165,930 Direct | -3.57% | Disposed | |
| March 16, 2012 | 29915 | A | 15,243 | · | · | 172,069 Direct | +9.72% | Acquired | |
| Feb. 16, 2012 | 29915 | F | 1,402 | $34.03 | $47,710 | 156,826 Direct | -0.89% | Disposed | |
| Feb. 13, 2012 | 29915 | F | 2,683 | $34.19 | $91,732 | 158,228 Direct | -1.67% | Disposed | |
| Feb. 10, 2012 | 29915 | M | 7,500 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 10, 2012 | 29915 | A | 147,130 | · | · | 147,130 Direct | · | Acquired | |
| Feb. 10, 2012 | 29915 | F | 6,673 | $34.20 | $228,217 | 160,911 Direct | -3.98% | Disposed | |
| Feb. 10, 2012 | 29915 | F | 255 | $34.20 | $8,721 | 167,584 Direct | -0.15% | Disposed | |
| Feb. 10, 2012 | 29915 | M | 7,500 | $30.42 | $228,150 | 167,839 Direct | +4.68% | Acquired | |
| Feb. 10, 2012 | 29915 | A | 25,370 | · | · | 160,339 Direct | +18.80% | Acquired | |
| March 1, 2011 | 29915 | F | 607 | $36.83 | $22,356 | 130,329 Direct | -0.46% | Disposed | |
| Feb. 15, 2011 | 29915 | F | 1,464 | $37.96 | $55,573 | 130,936 Direct | -1.11% | Disposed | |
| Feb. 11, 2011 | 29915 | A | 22,480 | · | · | 132,400 Direct | +20.45% | Acquired | |
| Feb. 11, 2011 | 29915 | A | 129,340 | · | · | 129,340 Direct | · | Acquired | |
| Feb. 9, 2011 | 29915 | M | 6,000 | $33.94 | $203,640 | 115,516 Direct | +5.48% | Acquired | |
| Feb. 9, 2011 | 29915 | F | 218 | $37.87 | $8,256 | 115,298 Direct | -0.19% | Disposed | |
| Feb. 9, 2011 | 29915 | F | 5,378 | $37.87 | $203,665 | 109,920 Direct | -4.66% | Disposed | |
| Feb. 9, 2011 | 29915 | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 18, 2010 | 29915 | F | 1,132 | $29.12 | $32,964 | 105,610 Direct | -1.06% | Disposed | |
| Feb. 12, 2010 | 29915 | A | 115,700 | · | · | 115,700 Direct | · | Acquired | |
| Feb. 12, 2010 | 29915 | A | 19,100 | · | · | 106,742 Direct | +21.79% | Acquired | |
| April 17, 2009 | 29915 | M | 2,490 | · | · | 0 Direct | -100.00% | Disposed | |
| April 17, 2009 | 29915 | M | 2,490 | · | · | 86,026 Direct | -2.81% | Disposed | |
| April 17, 2009 | 29915 | M | 2,490 | · | · | 88,516 Direct | +2.89% | Acquired | |
| April 16, 2009 | 29915 | M | 5,874 | · | · | 2,490 Direct | -70.23% | Disposed | |
| April 16, 2009 | 29915 | M | 5,874 | · | · | 86,026 Direct | -6.39% | Disposed | |
| April 16, 2009 | 29915 | M | 5,874 | · | · | 91,900 Direct | +6.83% | Acquired | |
| Feb. 13, 2009 | 29915 | A | 57,035 | · | · | 57,035 Direct | · | Acquired | |
| Feb. 13, 2009 | 29915 | F | 1,426 | $9.78 | $13,946 | 86,026 Direct | -1.63% | Disposed | |
| Feb. 13, 2009 | 29915 | A | 8,710 | · | · | 87,452 Direct | +11.06% | Acquired | |
| April 17, 2008 | 29915 | M | 2,491 | · | · | 8,364 Direct | -22.95% | Disposed | |
| April 17, 2008 | 29915 | D | 2,491 | $39.43 | $98,220 | 74,583 Direct | -3.23% | Disposed | |
| April 17, 2008 | 29915 | F | 807 | $39.26 | $31,683 | 77,074 Direct | -1.04% | Disposed | |
| April 17, 2008 | 29915 | M | 2,491 | · | · | 77,881 Direct | +3.30% | Acquired | |
| April 16, 2008 | 29915 | M | 5,874 | · | · | 10,855 Direct | -35.11% | Disposed | |
| April 16, 2008 | 29915 | D | 5,874 | $39.43 | $231,612 | 75,390 Direct | -7.23% | Disposed | |
| April 16, 2008 | 29915 | F | 1,188 | $38.92 | $46,237 | 81,264 Direct | -1.44% | Disposed | |
| April 16, 2008 | 29915 | M | 5,874 | · | · | 82,452 Direct | +7.67% | Acquired | |
| Feb. 19, 2008 | 29915 | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 19, 2008 | 29915 | M | 4,000 | · | · | 5,000 Direct | -44.44% | Disposed | |
| Feb. 19, 2008 | 29915 | F | 3,977 | $38.38 | $152,637 | 76,578 Direct | -4.94% | Disposed | |
| Feb. 19, 2008 | 29915 | F | 373 | $38.38 | $14,316 | 80,555 Direct | -0.46% | Disposed | |
| Feb. 19, 2008 | 29915 | M | 4,000 | $30.52 | $122,080 | 80,928 Direct | +5.20% | Acquired | |
| Feb. 19, 2008 | 29915 | M | 5,000 | $30.52 | $152,600 | 76,928 Direct | +6.95% | Acquired | |
| Feb. 15, 2008 | 29915 | A | 41,250 | · | · | 41,250 Direct | · | Acquired | |
| Feb. 15, 2008 | 29915 | A | 4,750 | · | · | 71,928 Direct | +7.07% | Acquired | |
| Jan. 29, 2008 | 29915 | A | 4,981 | · | · | 16,729 Direct | +42.40% | Acquired | |
| Jan. 29, 2008 | 29915 | A | 11,748 | · | · | 11,748 Direct | · | Acquired | |
| April 17, 2007 | 29915 | F | 795 | $45.62 | $36,268 | 65,526 Direct | -1.20% | Disposed | |
| April 16, 2007 | 29915 | F | 1,579 | $45.78 | $72,287 | 66,321 Direct | -2.33% | Disposed | |
| April 16, 2007 | 29915 | F | 1,170 | $45.78 | $53,563 | 67,900 Direct | -1.69% | Disposed | |
| April 16, 2007 | 29915 | F | 310 | $45.78 | $14,192 | 69,070 Direct | -0.45% | Disposed |
Showing latest 100 of 108 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 1, 2026 | OLN | Phantom Stock Units | Common Stock | · | · | 7,023 | Acquired |
| May 1, 2025 | OLN | Phantom Stock Units | Common Stock | · | · | 9,157 | Acquired |
| May 1, 2024 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 2,188 | Acquired |
| May 1, 2023 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 2,089 | Acquired |
| May 2, 2022 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 2,000 | Acquired |
| March 1, 2021 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 3,600 | Acquired |
| March 2, 2020 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 7,100 | Acquired |
| March 1, 2019 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 4,500 | Acquired |
| March 1, 2018 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 3,600 | Acquired |
| March 1, 2017 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 3,600 | Acquired |
| March 1, 2016 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 7,500 | Acquired |
| Nov. 12, 2015 | OLN | Phantom Stock Units [F3] | Common Stock | · | · | 1,300 | Acquired |
| Nov. 12, 2015 | OLN | Phantom Stock Units [F2] | Common Stock | · | · | 434 | Acquired |
| March 7, 2014 | 29915 | Non-Qualified Stock Option (right to buy) [F2] | Common | $43.68 | March 1, 2016 | 16,190 | Disposed |
| March 7, 2014 | 29915 | Non-Qualified Stock Option (right to buy) [F2] | Common | $43.59 | Feb. 16, 2017 | 36,400 | Disposed |
| March 7, 2014 | 29915 | Non-Qualified Stock Option (right to buy) [F2] | Common | $38.62 | Feb. 15, 2018 | 41,250 | Disposed |
| Feb. 14, 2014 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $46.71 | Feb. 14, 2024 | 91,850 | Acquired |
| Feb. 12, 2014 | 29915 | Non-Qualified Stock Option (right to buy) [F3] | Common | $43.49 | Feb. 13, 2014 | 11,670 | Disposed |
| Feb. 15, 2013 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $32.16 | Feb. 15, 2023 | 210,880 | Acquired |
| Dec. 20, 2012 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $27.40 | Feb. 14, 2013 | 12,250 | Disposed |
| Feb. 10, 2012 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $30.42 | Feb. 15, 2012 | 7,500 | Disposed |
| Feb. 10, 2012 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $34.00 | Feb. 10, 2022 | 147,130 | Acquired |
| Feb. 11, 2011 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $38.38 | Feb. 11, 2021 | 129,340 | Acquired |
| Feb. 9, 2011 | 29915 | Non-Qualified Stock Option (right to buy) [F2] | Common | $33.94 | March 2, 2011 | 6,000 | Disposed |
| Feb. 12, 2010 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $27.79 | Feb. 12, 2020 | 115,700 | Acquired |
| April 17, 2009 | 29915 | Employee Deferred Stock - Performance Shares [F4] | Common | · | · | 2,490 | Disposed |
| April 16, 2009 | 29915 | Employee Deferred Stock - Performance Shares [F4] | Common | · | · | 5,874 | Disposed |
| Feb. 13, 2009 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $9.53 | Feb. 13, 2019 | 57,035 | Acquired |
| April 17, 2008 | 29915 | Employee Deferred Stock - Performance Shares [F3] | Common | · | · | 2,491 | Disposed |
| April 16, 2008 | 29915 | Employee Deferred Stock - Performance Shares [F3] | Common | · | · | 5,874 | Disposed |
| Feb. 19, 2008 | 29915 | Non-Qualified Stock Option (right to buy) [F2] | Common | $30.52 | Feb. 27, 2008 | 5,000 | Disposed |
| Feb. 19, 2008 | 29915 | Non-Qualified Stock Option (right to buy) [F2] | Common | $30.52 | Feb. 27, 2008 | 4,000 | Disposed |
| Feb. 15, 2008 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $38.62 | Feb. 15, 2018 | 41,250 | Acquired |
| Jan. 29, 2008 | 29915 | Employee Deferred Stock - Performance Shares [F1] | Common | · | · | 4,981 | Acquired |
| Jan. 29, 2008 | 29915 | Employee Deferred Stock - Performance Shares [F1] | Common | · | · | 11,748 | Acquired |
| Feb. 16, 2007 | 29915 | Non-Qualified Stock Option (right to buy) [F1] | Common | $43.59 | Feb. 16, 2017 | 36,400 | Acquired |
| Feb. 8, 2007 | 29915 | Non-Qualified Stock Option (right to buy) [F2] | Common | $26.65 | Feb. 12, 2007 | 4,500 | 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 |
|---|---|---|---|---|
| Oct. 7, 2015 | OLN | Common Stock $1 par value | 0 | Direct |