John C Shoemaker
CIK 1299645 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 30, 2007 · Latest: Oct. 30, 2007
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 30 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
30 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 11, 2018 | EXTR | P | 20,000 | $8.40 | $168,000 | 337,006 Direct | +6.31% | Acquired | 174.8% (price as of 2026-08-19) |
| Sept. 15, 2016 | EXTR | S 10b5-1 | 15,000 | $4.25 | $63,750 | 205,748 Direct | -6.80% | Disposed | 443.2% (price as of 2026-08-19) |
| Aug. 31, 2015 | EXTR | P | 20,000 | $2.90 | $58,000 | 174,086 Direct | +12.98% | Acquired | 696.0% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 9, 2018 | EXTR | RSU Award | Common Stock (14,873) | $0.00 | Nov. 9, 2018 | 14,873 | Disposed |
| Nov. 8, 2018 | EXTR | RSU Award | Common Stock (25,487) | $0.00 | Nov. 8, 2020 | 25,487 | Acquired |
| May 8, 2017 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $4.25 | Oct. 26, 2017 | 25,000 | Disposed |
| May 8, 2017 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $3.87 | Dec. 6, 2017 | 15,000 | Disposed |
| May 8, 2017 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $3.02 | Dec. 15, 2017 | 15,000 | Disposed |
| Nov. 18, 2016 | EXTR | RSU Award | Common Stock (26,258) | $0.00 | Nov. 18, 2017 | 26,258 | Acquired |
| Sept. 15, 2016 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $2.82 | Dec. 23, 2016 | 15,000 | Disposed |
| April 26, 2012 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $3.87 | April 26, 2019 | 15,000 | Acquired |
| Aug. 5, 2011 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (20,000) | $3.02 | Aug. 5, 2018 | 20,000 | Acquired |
| Dec. 15, 2010 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $3.02 | Dec. 15, 2017 | 15,000 | Acquired |
| Dec. 23, 2009 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $2.82 | Dec. 23, 2019 | 15,000 | Acquired |
| Dec. 4, 2008 | EXTR | Stock Option (right to buy) | Common Stock (15,000) | $1.85 | Dec. 4, 2018 | 15,000 | Acquired |
| Dec. 6, 2007 | EXTR | Stock Option (right to buy) | Common Stock (15,000) | $3.87 | Dec. 8, 2017 | 15,000 | Acquired |
| Oct. 26, 2007 | EXTR | Stock Option (Right to Buy) | Common Stock (25,000) | $4.25 | Oct. 26, 2017 | 25,000 | Acquired |
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. 30, 2007 | EXTR | No securities owned | 0 | Direct |