William P Noglows
Insider
First SEC filing: June 8, 2026 · Latest: June 8, 2026
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 3, 2026 | LFUS | A | 6 | $414.24 | $2,485 | 22,186 Direct | +0.03% | Acquired | 9.0% (price as of 2026-10-05) |
| Sept. 3, 2026 | LFUS | A | 1 | $414.24 | $414 | 22,187 Direct | 0.00% | Acquired | 9.0% (price as of 2026-10-05) |
| June 23, 2026 | ASPN | M | 14,799 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 23, 2026 | ASPN | M | 14,799 | $4.75 | $70,295 | 114,156 Direct | +14.89% | Acquired | 19.8% (price as of 2026-10-05) |
| June 4, 2026 | LFUS | A | 3 | $480.24 | $1,441 | 22,182 Direct | +0.01% | Acquired | -6.0% (price as of 2026-10-05) |
| June 4, 2026 | LFUS | A | 3 | $480.24 | $1,441 | 22,179 Direct | +0.01% | Acquired | -6.0% (price as of 2026-10-05) |
| May 13, 2026 | ASPN | A | 8,706 | · | · | 8,706 Direct | · | Acquired | (price as of 2026-10-05) |
| May 13, 2026 | ASPN | A | 10,370 | · | · | 99,357 Direct | +11.65% | Acquired | (price as of 2026-10-05) |
| April 22, 2026 | LFUS | A | 482 | · | · | 22,176 Direct | +2.22% | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | LFUS | A | 2 | $323.58 | $647 | 21,694 Direct | +0.01% | Acquired | 39.5% (price as of 2026-10-05) |
| March 5, 2026 | LFUS | A | 7 | $323.58 | $2,265 | 21,692 Direct | +0.03% | Acquired | 39.5% (price as of 2026-10-05) |
| Feb. 4, 2026 | LFUS | M | 911 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 4, 2026 | LFUS | M | 911 | $199.24 | $181,508 | 21,685 Direct | +4.39% | Acquired | 126.6% (price as of 2026-10-05) |
| Dec. 5, 2025 | LFUS | A | 8 | $258.99 | $2,072 | 20,774 Direct | +0.04% | Acquired | 74.3% (price as of 2026-10-05) |
| Dec. 5, 2025 | LFUS | A | 3 | $258.99 | $777 | 20,766 Direct | +0.01% | Acquired | 74.3% (price as of 2026-10-05) |
| Sept. 5, 2025 | LFUS | A | 3 | $259.58 | $779 | 20,763 Direct | +0.01% | Acquired | 73.9% (price as of 2026-10-05) |
| Sept. 5, 2025 | LFUS | A | 8 | $259.58 | $2,077 | 20,760 Direct | +0.04% | Acquired | 73.9% (price as of 2026-10-05) |
| June 5, 2025 | LFUS | A | 9 | $214.18 | $1,928 | 20,752 Direct | +0.04% | Acquired | 110.8% (price as of 2026-10-05) |
| June 5, 2025 | LFUS | A | 3 | $214.18 | $643 | 20,743 Direct | +0.01% | Acquired | 110.8% (price as of 2026-10-05) |
| April 30, 2025 | ASPN | A | 9,105 | · | · | 9,105 Direct | · | Acquired | (price as of 2026-10-05) |
| April 30, 2025 | ASPN | A | 10,370 | · | · | 88,987 Direct | +13.19% | Acquired | (price as of 2026-10-05) |
| April 24, 2025 | LFUS | A | 1,019 | · | · | 20,740 Direct | +5.17% | Acquired | (price as of 2026-10-05) |
| March 7, 2025 | LFUS | J | 7 | $218.33 | $1,528 | 19,721 Direct | +0.04% | Acquired | 106.8% (price as of 2026-10-05) |
| Feb. 4, 2025 | LFUS | M | 800 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 4, 2025 | LFUS | M | 800 | $192.59 | $154,072 | 19,714 Direct | +4.23% | Acquired | 134.4% (price as of 2026-10-05) |
| Dec. 6, 2024 | LFUS | J | 8 | $247.32 | $1,979 | 18,914 Direct | +0.04% | Acquired | 82.5% (price as of 2026-10-05) |
| Sept. 6, 2024 | LFUS | J | 7 | $256.00 | $1,792 | 18,906 Direct | +0.04% | Acquired | 76.3% (price as of 2026-10-05) |
| June 7, 2024 | LFUS | J | 5 | $250.13 | $1,251 | 18,899 Direct | +0.03% | Acquired | 80.5% (price as of 2026-10-05) |
| May 30, 2024 | ASPN | A | 1,657 | · | · | 1,657 Direct | · | Acquired | (price as of 2026-10-05) |
| May 30, 2024 | ASPN | A | 0 | · | · | 10,000 Indirect | 0.00% | Acquired | (price as of 2026-10-05) |
| May 30, 2024 | ASPN | A | 0 | · | · | 10,000 Indirect | 0.00% | Acquired | (price as of 2026-10-05) |
| May 30, 2024 | ASPN | A | 1,898 | · | · | 78,617 Direct | +2.47% | Acquired | (price as of 2026-10-05) |
| April 25, 2024 | LFUS | A | 768 | · | · | 768 Direct | · | Acquired | (price as of 2026-10-05) |
| April 25, 2024 | LFUS | A | 522 | · | · | 18,894 Direct | +2.84% | Acquired | (price as of 2026-10-05) |
| March 8, 2024 | LFUS | J | 7 | $244.90 | $1,714 | 18,372 Direct | +0.04% | Acquired | 84.3% (price as of 2026-10-05) |
| Jan. 9, 2024 | LFUS | M | 945 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 9, 2024 | LFUS | M | 945 | $154.15 | $145,672 | 18,365 Direct | +5.42% | Acquired | 192.8% (price as of 2026-10-05) |
| Dec. 8, 2023 | LFUS | J | 8 | $243.04 | $1,944 | 17,420 Direct | +0.05% | Acquired | 85.7% (price as of 2026-10-05) |
| Sept. 8, 2023 | LFUS | J | 7 | $259.49 | $1,816 | 17,412 Direct | +0.04% | Acquired | 74.0% (price as of 2026-10-05) |
| June 9, 2023 | LFUS | J | 6 | $271.09 | $1,627 | 17,405 Direct | +0.03% | Acquired | 66.5% (price as of 2026-10-05) |
| June 1, 2023 | ASPN | A | 7,712 | · | · | 7,712 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2023 | ASPN | A | 7,488 | · | · | 76,719 Direct | +10.82% | Acquired | (price as of 2026-10-05) |
| April 27, 2023 | LFUS | A | 718 | · | · | 718 Direct | · | Acquired | (price as of 2026-10-05) |
| April 27, 2023 | LFUS | A | 468 | · | · | 17,399 Direct | +2.76% | Acquired | (price as of 2026-10-05) |
| March 10, 2023 | LFUS | J | 5 | $264.30 | $1,322 | 16,931 Direct | +0.03% | Acquired | 70.8% (price as of 2026-10-05) |
| Feb. 7, 2023 | LFUS | M | 1,200 | $120.15 | $144,180 | 18,126 Direct | +7.09% | Acquired | 275.7% (price as of 2026-10-05) |
| Feb. 7, 2023 | LFUS | S | 68 | $261.03 | $17,750 | 18,058 Direct | -0.38% | Disposed | 72.9% (price as of 2026-10-05) |
| Feb. 7, 2023 | LFUS | S | 202 | $262.83 | $53,092 | 17,856 Direct | -1.12% | Disposed | 71.8% (price as of 2026-10-05) |
| Feb. 7, 2023 | LFUS | S | 398 | $264.28 | $105,183 | 17,458 Direct | -2.23% | Disposed | 70.8% (price as of 2026-10-05) |
| Feb. 7, 2023 | LFUS | S | 529 | $265.41 | $140,402 | 16,929 Direct | -3.03% | Disposed | 70.1% (price as of 2026-10-05) |
| Feb. 7, 2023 | LFUS | S | 3 | $266.50 | $800 | 16,926 Direct | -0.02% | Disposed | 69.4% (price as of 2026-10-05) |
| Feb. 7, 2023 | LFUS | M | 1,200 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 12, 2022 | LFUS | J | 7 | $235.36 | $1,648 | 16,926 Direct | +0.04% | Acquired | 91.8% (price as of 2026-10-05) |
| Sept. 12, 2022 | LFUS | J | 7 | $233.00 | $1,631 | 16,919 Direct | +0.04% | Acquired | 93.7% (price as of 2026-10-05) |
| June 13, 2022 | LFUS | J | 5 | $256.02 | $1,280 | 16,912 Direct | +0.03% | Acquired | 76.3% (price as of 2026-10-05) |
| June 2, 2022 | ASPN | A | 3,178 | · | · | 3,178 Direct | · | Acquired | (price as of 2026-10-05) |
| June 2, 2022 | ASPN | A | 2,699 | · | · | 69,231 Direct | +4.06% | Acquired | (price as of 2026-10-05) |
| April 28, 2022 | LFUS | A | 498 | · | · | 16,907 Direct | +3.03% | Acquired | (price as of 2026-10-05) |
| April 28, 2022 | LFUS | A | 815 | · | · | 815 Direct | · | Acquired | (price as of 2026-10-05) |
| March 11, 2022 | LFUS | J | 3 | $248.27 | $745 | 16,409 Direct | +0.02% | Acquired | 81.8% (price as of 2026-10-05) |
| Feb. 8, 2022 | LFUS | M | 1,447 | $96.15 | $139,129 | 17,238 Direct | +9.16% | Acquired | 369.5% (price as of 2026-10-05) |
| Feb. 8, 2022 | LFUS | S | 300 | $255.29 | $76,587 | 16,938 Direct | -1.74% | Disposed | 76.8% (price as of 2026-10-05) |
| Feb. 8, 2022 | LFUS | S | 532 | $256.88 | $136,660 | 16,406 Direct | -3.14% | Disposed | 75.7% (price as of 2026-10-05) |
| Feb. 8, 2022 | LFUS | M | 1,447 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 3, 2021 | LFUS | J | 5 | $310.63 | $1,553 | 15,791 Direct | +0.03% | Acquired | 45.3% (price as of 2026-10-05) |
| Nov. 29, 2021 | LFUS | G | 2,500 | · | · | 2,500 Indirect | -50.00% | Disposed | (price as of 2026-10-05) |
| Nov. 29, 2021 | LFUS | G | 2,500 | · | · | 2,500 Indirect | · | Acquired | (price as of 2026-10-05) |
| Nov. 29, 2021 | LFUS | G | 2,500 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 29, 2021 | LFUS | G | 2,500 | · | · | 2,500 Indirect | · | Acquired | (price as of 2026-10-05) |
| Oct. 26, 2021 | LFUS | G | 5,000 | · | · | 15,786 Direct | -24.05% | Disposed | (price as of 2026-10-05) |
| Oct. 26, 2021 | LFUS | G | 5,000 | · | · | 5,000 Indirect | · | Acquired | (price as of 2026-10-05) |
| Sept. 3, 2021 | LFUS | J | 5 | $282.28 | $1,411 | 20,786 Direct | +0.02% | Acquired | 59.9% (price as of 2026-10-05) |
| June 7, 2021 | LFUS | J | 5 | $257.24 | $1,286 | 20,781 Direct | +0.02% | Acquired | 75.5% (price as of 2026-10-05) |
| June 1, 2021 | ASPN | A | 3,088 | · | · | 3,088 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2021 | ASPN | A | 2,489 | · | · | 86,532 Direct | +2.96% | Acquired | (price as of 2026-10-05) |
| April 22, 2021 | LFUS | A | 396 | · | · | 20,776 Direct | +1.94% | Acquired | (price as of 2026-10-05) |
| April 22, 2021 | LFUS | A | 574 | · | · | 574 Direct | · | Acquired | (price as of 2026-10-05) |
| March 8, 2021 | LFUS | J | 3 | $259.18 | $778 | 20,380 Direct | +0.01% | Acquired | 74.2% (price as of 2026-10-05) |
| Feb. 8, 2021 | LFUS | M | 1,350 | $94.84 | $128,034 | 20,867 Direct | +6.92% | Acquired | 376.0% (price as of 2026-10-05) |
| Feb. 8, 2021 | LFUS | S | 490 | $262.03 | $128,395 | 20,377 Direct | -2.35% | Disposed | 72.3% (price as of 2026-10-05) |
| Feb. 8, 2021 | LFUS | M | 1,350 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 4, 2020 | LFUS | J | 5 | $249.25 | $1,246 | 19,517 Direct | +0.03% | Acquired | 81.1% (price as of 2026-10-05) |
| Sept. 4, 2020 | LFUS | L | 8 | $180.26 | $1,442 | 19,512 Direct | +0.04% | Acquired | 150.4% (price as of 2026-10-05) |
| Aug. 19, 2020 | LFUS | S | 19,504 | $186.00 | $3,627,744 | 19,504 Direct | -50.00% | Disposed | 142.7% (price as of 2026-10-05) |
| June 18, 2020 | ASPN | A | 9,817 | · | · | 9,817 Direct | · | Acquired | (price as of 2026-10-05) |
| June 18, 2020 | ASPN | A | 7,511 | · | · | 84,043 Direct | +9.81% | Acquired | (price as of 2026-10-05) |
| June 8, 2020 | LFUS | L | 7 | $179.91 | $1,259 | 24,504 Direct | +0.03% | Acquired | 150.9% (price as of 2026-10-05) |
| April 23, 2020 | LFUS | A | 807 | · | · | 24,497 Direct | +3.41% | Acquired | (price as of 2026-10-05) |
| April 23, 2020 | LFUS | A | 1,432 | · | · | 1,432 Direct | · | Acquired | (price as of 2026-10-05) |
| March 6, 2020 | LFUS | L | 6 | $155.53 | $933 | 23,690 Direct | +0.03% | Acquired | 190.2% (price as of 2026-10-05) |
| Feb. 12, 2020 | LFUS | M | 1,716 | $66.68 | $114,423 | 24,307 Direct | +7.60% | Acquired | 577.0% (price as of 2026-10-05) |
| Feb. 12, 2020 | LFUS | S | 623 | $185.71 | $115,697 | 23,684 Direct | -2.56% | Disposed | 143.1% (price as of 2026-10-05) |
| Feb. 12, 2020 | LFUS | M | 1,716 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 9, 2019 | LFUS | L | 7 | $183.91 | $1,287 | 22,591 Direct | +0.03% | Acquired | 145.5% (price as of 2026-10-05) |
| Sept. 9, 2019 | LFUS | L | 7 | $168.16 | $1,177 | 22,584 Direct | +0.03% | Acquired | 168.4% (price as of 2026-10-05) |
| June 19, 2019 | ASPN | A | 11,950 | · | · | 11,950 Direct | · | Acquired | (price as of 2026-10-05) |
| June 19, 2019 | ASPN | A | 8,388 | · | · | 76,532 Direct | +12.31% | Acquired | (price as of 2026-10-05) |
| June 10, 2019 | LFUS | L | 7 | $175.97 | $1,232 | 22,577 Direct | +0.03% | Acquired | 156.5% (price as of 2026-10-05) |
| April 26, 2019 | LFUS | A | 536 | · | · | 22,570 Direct | +2.43% | Acquired | (price as of 2026-10-05) |
| April 26, 2019 | LFUS | A | 911 | · | · | 911 Direct | · | Acquired | (price as of 2026-10-05) |
Showing latest 100 of 186 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 |
|---|---|---|---|---|---|---|---|
| June 23, 2026 | ASPN | Stock Options (Right to Buy) | Common Stock | $4.75 | June 24, 2026 | 14,799 | Disposed |
| May 13, 2026 | ASPN | Stock Options (Right to Buy) | Common Stock | $5.40 | May 13, 2036 | 8,706 | Acquired |
| Feb. 4, 2026 | LFUS | Stock Option (right to buy) | Common Stock | $199.24 | April 26, 2026 | 911 | Disposed |
| April 30, 2025 | ASPN | Stock Options (Right to Buy) | Common Stock | $5.40 | April 30, 2035 | 9,105 | Acquired |
| Feb. 4, 2025 | LFUS | Stock Option (right to buy) | Common Stock | $192.59 | April 27, 2025 | 800 | Disposed |
| May 30, 2024 | ASPN | Stock Options (Right to Buy) | Common Stock | $29.50 | May 30, 2034 | 1,657 | Acquired |
| April 25, 2024 | LFUS | Stock Option (right to buy) | Common Stock | $230.39 | April 25, 2031 | 768 | Acquired |
| Jan. 9, 2024 | LFUS | Stock Option (right to buy) | Common Stock | $154.15 | April 28, 2024 | 945 | Disposed |
| June 1, 2023 | ASPN | Stock Option (Right-to-Buy) | Common Stock | $6.81 | June 1, 2033 | 7,712 | Acquired |
| April 27, 2023 | LFUS | Stock Option (right to buy) | Common Stock | $240.76 | April 27, 2030 | 718 | Acquired |
| Feb. 7, 2023 | LFUS | Stock Option (right to buy) | Common Stock | $120.15 | April 22, 2023 | 1,200 | Disposed |
| June 2, 2022 | ASPN | Stock Option (Right-to-Buy) | Common Stock | $18.89 | June 2, 2032 | 3,178 | Acquired |
| April 28, 2022 | LFUS | Stock Option (right to buy) | Common Stock | $231.64 | April 28, 2029 | 815 | Acquired |
| Feb. 8, 2022 | LFUS | Stock Option (right to buy) | Common Stock | $96.15 | April 24, 2022 | 1,447 | Disposed |
| June 1, 2021 | ASPN | Stock Option (Right-to-Buy) | Common Stock | $20.49 | June 1, 2031 | 3,088 | Acquired |
| April 22, 2021 | LFUS | Stock Option (right to buy) | Common Stock | $267.84 | April 22, 2028 | 574 | Acquired |
| Feb. 8, 2021 | LFUS | Stock Option (right to buy) | Common Stock | $94.84 | April 25, 2021 | 1,350 | Disposed |
| June 18, 2020 | ASPN | Stock Option (right to buy) | Common Stock | $6.79 | June 18, 2030 | 9,817 | Acquired |
| April 23, 2020 | LFUS | Stock Option (right to buy) | Common Stock | $132.08 | April 23, 2027 | 1,432 | Acquired |
| Feb. 12, 2020 | LFUS | Stock Option (right to buy) | Common Stock | $66.68 | April 26, 2020 | 1,716 | Disposed |
| June 19, 2019 | ASPN | Stock Option (right to buy) | Common Stock | $6.08 | June 19, 2029 | 11,950 | Acquired |
| April 26, 2019 | LFUS | Stock Option (right to buy) | Common Stock | $199.24 | April 26, 2026 | 911 | Acquired |
| Feb. 5, 2019 | LFUS | Stock Option (right to buy) | Common Stock | $63.09 | April 27, 2019 | 1,648 | Disposed |
| June 20, 2018 | ASPN | Common Stock (right to buy) | Common Stock | $5.27 | June 20, 2028 | 13,517 | Acquired |
| April 27, 2018 | LFUS | Stock Option (right to buy) | Common Stock | $192.59 | April 27, 2025 | 800 | Acquired |
| Jan. 24, 2018 | LFUS | Stock Option (right to buy) | Common Stock | $62.21 | April 29, 2018 | 1,763 | Disposed |
| June 14, 2017 | ASPN | Stock Option (right to buy) | Common Stock | $4.15 | June 14, 2027 | 17,019 | Acquired |
| April 28, 2017 | LFUS | Stock Option (right to buy) | Common Stock | $154.15 | April 28, 2024 | 945 | Acquired |
| Feb. 17, 2017 | LFUS | Stock option (right to buy) | Common Stock | $42.13 | April 30, 2017 | 1,724 | Disposed |
| June 24, 2016 | ASPN | Stock Option (right to buy) | Common Stock | $4.75 | June 24, 2026 | 14,799 | Acquired |
| April 22, 2016 | LFUS | Stock option (right to buy) | Common stock | $120.15 | April 22, 2023 | 1,200 | Acquired |
| Nov. 24, 2015 | LFUS | Stock option (right to buy) | Common stock | $13.88 | April 24, 2016 | 4,213 | Disposed |
| June 17, 2015 | ASPN | Stock Option (right to buy) | Common Stock | $6.61 | June 17, 2025 | 10,228 | Acquired |
| April 24, 2015 | LFUS | Stock option (right to buy) | Common stock | $96.15 | April 25, 2022 | 1,447 | Acquired |
| Feb. 11, 2015 | LFUS | Stock option (right to buy) | Common stock | $36.33 | April 25, 2015 | 2,415 | Disposed |
| April 25, 2014 | LFUS | Stock option (right to buy) | Common stock | $94.84 | April 25, 2021 | 1,350 | Acquired |
| Feb. 24, 2014 | LFUS | Stock option (right to buy) | Common stock | $41.22 | April 27, 2014 | 1,971 | Disposed |
| April 26, 2013 | LFUS | Stock option (right to buy) | Common stock | $66.68 | April 26, 2020 | 1,716 | Acquired |
| April 27, 2012 | LFUS | Stock Option (Right to Buy) | Common Stock | $63.09 | April 27, 2019 | 1,648 | Acquired |
| April 29, 2011 | LFUS | Stock Option (Right to Buy) | Common Stock | $62.21 | April 29, 2018 | 1,763 | Acquired |
| April 30, 2010 | LFUS | Stock Option (Right to Buy) | Common Stock | $42.13 | April 30, 2017 | 1,724 | Acquired |
| April 24, 2009 | LFUS | Stock Option (Right to Buy) | Common Stock | $13.88 | April 24, 2016 | 4,213 | Acquired |
| April 25, 2008 | LFUS | Stock Option (Right to Buy) | Common Stock | $36.33 | April 25, 2015 | 2,415 | Acquired |
| April 27, 2007 | LFUS | Stock Option (Right to Buy) | Common Stock | $41.22 | April 27, 2014 | 1,971 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.