William J Birkhofer
CIK 1415189 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 12, 2008 · Latest: Nov. 12, 2008
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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
5 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 4, 2009 | J | P | 2,000 | $31.23 | $62,460 | 10,438 Direct | +23.70% | Acquired | 470.8% (price as of 2026-08-20) |
| Nov. 11, 2008 | J | P | 1,000 | $35.78 | $35,780 | 8,438 Direct | +13.44% | Acquired | 398.2% (price as of 2026-08-20) |
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 27, 2010 | J | Stock Option | Common Stock (12,000) | $42.43 | May 27, 2020 | 12,000 | Acquired |
| May 28, 2009 | J | Stock Option | Common Stock (12,000) | $41.18 | May 28, 2019 | 12,000 | Acquired |
| May 22, 2008 | J | Stock Option | Common Stock (12,000) | $92.52 | May 22, 2015 | 12,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.