William F Krupke
CIK 1378552 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 12, 2006 · Latest: Dec. 12, 2006
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 33 non-open-market transactions below
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
33 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 19, 2014 | IPGP | S | 6,667 | $68.98 | $459,890 | 12,800 Direct | -34.25% | Disposed | 7.9% (price as of 2026-08-21) |
| Feb. 14, 2013 | IPGP | S 10b5-1 | 634 | $70.01 | $44,386 | 11,700 Direct | -5.14% | Disposed | 6.3% (price as of 2026-08-21) |
| Aug. 1, 2012 | IPGP | S 10b5-1 | 5,009 | $52.60 | $263,473 | 4,000 Direct | -55.60% | Disposed | 41.5% (price as of 2026-08-21) |
| March 13, 2012 | IPGP | S | 6,633 | $54.81 | $363,555 | 3,000 Direct | -68.86% | Disposed | 35.8% (price as of 2026-08-21) |
| March 13, 2012 | IPGP | S | 1,667 | $54.81 | $91,368 | 3,000 Direct | -35.72% | Disposed | 35.8% (price as of 2026-08-21) |
| Aug. 24, 2010 | IPGP | S | 21,200 | $21.64 | $458,768 | 2,000 Direct | -91.38% | Disposed | 244.0% (price as of 2026-08-21) |
| Dec. 7, 2009 | IPGP | S 10b5-1 | 19,606 | $16.72 | $327,812 | 22,200 Direct | -46.90% | Disposed | 345.2% (price as of 2026-08-21) |
| Dec. 4, 2009 | IPGP | S 10b5-1 | 394 | $16.51 | $6,505 | 41,806 Direct | -0.93% | Disposed | 350.9% (price as of 2026-08-21) |
| Sept. 9, 2009 | IPGP | S 10b5-1 | 12,299 | $12.51 | $153,860 | 42,200 Direct | -22.57% | Disposed | 495.0% (price as of 2026-08-21) |
| Sept. 8, 2009 | IPGP | S 10b5-1 | 7,601 | $12.50 | $95,012 | 54,499 Direct | -12.24% | Disposed | 495.5% (price as of 2026-08-21) |
| Aug. 26, 2009 | IPGP | S 10b5-1 | 100 | $12.50 | $1,250 | 62,100 Direct | -0.16% | Disposed | 495.5% (price as of 2026-08-21) |
| Sept. 2, 2008 | IPGP | S 10b5-1 | 3,600 | $20.90 | $75,240 | 61,200 Direct | +6.25% | Acquired | 256.2% (price as of 2026-08-21) |
| Aug. 6, 2008 | IPGP | S 10b5-1 | 7,200 | $20.50 | $147,600 | 64,800 Direct | -10.00% | Disposed | 263.1% (price as of 2026-08-21) |
| June 3, 2008 | IPGP | S 10b5-1 | 3,600 | $19.85 | $71,460 | 72,000 Direct | -4.76% | Disposed | 275.0% (price as of 2026-08-21) |
| May 6, 2008 | IPGP | S 10b5-1 | 14,400 | $19.52 | $281,088 | 75,600 Direct | -16.00% | Disposed | 281.4% (price as of 2026-08-21) |
| Jan. 14, 2008 | IPGP | S 10b5-1 | 10,000 | $19.07 | $190,700 | 90,000 Direct | -10.00% | Disposed | 290.4% (price as of 2026-08-21) |
| Feb. 14, 2002 | IPGP | S 10b5-1 | 634 | $70.01 | $44,386 | 3,366 Direct | -15.85% | Disposed | 6.3% (price as of 2026-08-21) |
| Oct. 1, 2001 | IPGP | S 10b5-1 | 5,008 | $57.22 | $286,558 | 4,000 Direct | -55.60% | Disposed | 30.1% (price as of 2026-08-21) |
| Sept. 4, 2001 | IPGP | S 10b5-1 | 5,009 | $62.18 | $311,460 | 4,000 Direct | -55.60% | Disposed | 19.7% (price as of 2026-08-21) |
| July 25, 2001 | IPGP | S 10b5-1 | 5,009 | $45.02 | $225,505 | 4,000 Direct | -55.60% | Disposed | 65.3% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 19, 2014 | IPGP | Director Stock Options (Right to buy) | Common Stock (6,667) | $68.98 | June 4, 2022 | 6,667 | Acquired |
| June 4, 2013 | IPGP | Director Stock Options (Right to buy) | Common Stock (6,500) | $60.00 | June 3, 2023 | 6,500 | Acquired |
| Oct. 1, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (5,008) | $20.32 | June 11, 2017 | 5,008 | Disposed |
| Sept. 4, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (1,659) | $20.32 | June 11, 2017 | 1,659 | Disposed |
| Sept. 4, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (1,659) | $20.32 | June 11, 2017 | 1,659 | Disposed |
| Sept. 4, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (3,350) | $18.41 | June 9, 2018 | 3,350 | Disposed |
| Aug. 1, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (3,317) | $18.41 | June 9, 2018 | 3,317 | Disposed |
| Aug. 1, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (1,692) | $15.37 | June 7, 2020 | 1,692 | Disposed |
| July 25, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (3,495) | $15.36 | June 7, 2020 | 4,975 | Disposed |
| July 25, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (34) | $11.07 | June 8, 2019 | 34 | Disposed |
| June 5, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (6,667) | $42.43 | June 4, 2022 | 6,667 | Acquired |
| March 13, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (6,633) | $11.07 | June 8, 2019 | 6,633 | Disposed |
| March 13, 2012 | IPGP | Director Stock Option (right to buy) | Common Stock (1,667) | $6.45 | June 20, 2016 | 1,667 | Disposed |
| May 31, 2011 | IPGP | Director Stock Option (right to buy) | Common Stock (6,667) | $75.15 | May 30, 2021 | 6,667 | Acquired |
| June 8, 2010 | IPGP | Director Stock Option (right to buy) | Common Stock (6,667) | $15.36 | June 7, 2020 | 6,667 | Acquired |
| Dec. 10, 2009 | IPGP | Director Stock Options (Ricght to buy) | Common Stock (3,334) | $6.54 | June 21, 2016 | 3,334 | Disposed |
| Dec. 10, 2009 | IPGP | Director Stock Options (Right to buy) | Common Stock (5,000) | $1.50 | June 12, 2015 | 5,000 | Disposed |
| June 10, 2008 | IPGP | Director Stock Option (right to buy) | Common Stock (6,667) | $18.41 | June 9, 2018 | 6,667 | Acquired |
| June 12, 2007 | IPGP | Director Stock Option (right to buy) | Common Stock (6,667) | $20.32 | June 11, 2017 | 6,667 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.