Stephen L Zuckerman
CIK 1182968 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 9, 2016 · Latest: Feb. 9, 2016
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 39 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
39 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 9, 2016 | CLFD | S | 2,000 | $13.58 | $27,160 | 30,842 Direct | -6.09% | Disposed | 103.5% (price as of 2026-08-20) |
| May 30, 2014 | CLFD | S | 1,000 | $17.25 | $17,250 | 33,101 Direct | -2.93% | Disposed | 60.2% (price as of 2026-08-20) |
| Nov. 25, 2013 | CLFD | S | 1,000 | $17.55 | $17,550 | 29,818 Direct | -3.24% | Disposed | 57.5% (price as of 2026-08-20) |
| Aug. 6, 2010 | CLFD | S | 3,654 | $2.65 | $9,683 | 7,000 Direct | -34.30% | Disposed | 943.0% (price as of 2026-08-20) |
| Aug. 6, 2010 | CLFD | S | 1,346 | $2.63 | $3,540 | 10,654 Direct | -11.22% | Disposed | 950.9% (price as of 2026-08-20) |
| Nov. 19, 2009 | CLFD | S | 6,000 | $3.17 | $19,020 | 7,000 Direct | -46.15% | Disposed | 771.9% (price as of 2026-08-20) |
| Feb. 18, 2004 | CLFD | P | 1,000 | $2.81 | $2,810 | 13,000 Indirect | +8.33% | Acquired | 883.6% (price as of 2026-08-20) |
| July 17, 2003 | CLFD | P | 2,800 | $2.44 | $6,832 | 0 Direct | — | Acquired | 1032.7% (price as of 2026-08-20) |
| July 17, 2003 | CLFD | P | 1,200 | $2.34 | $2,808 | 0 Direct | — | Acquired | 1081.2% (price as of 2026-08-20) |
| July 16, 2003 | CLFD | P | 100 | $2.32 | $232 | 0 Direct | — | Acquired | 1091.3% (price as of 2026-08-20) |
| July 16, 2003 | CLFD | P | 900 | $2.42 | $2,178 | 0 Direct | — | Acquired | 1042.1% (price as of 2026-08-20) |
| July 11, 2003 | CLFD | P | 0 | — | — | 8,000 Direct | 0.00% | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| April 21, 2014 | CLFD | Director Non-qualified Stock Option (Right to Buy) | Common Stock (2,400) | $5.91 | Feb. 24, 2018 | 2,400 | Disposed |
| Jan. 21, 2014 | CLFD | Director Non-qualified stock option (right to buy) | Common Stock (1,500) | $5.34 | Feb. 25, 2017 | 1,500 | Disposed |
| Nov. 25, 2013 | CLFD | Director Non-Qualified Stock Option (Right to Buy) | Common Stock (1,000) | $5.34 | Feb. 25, 2017 | 1,000 | Disposed |
| Feb. 24, 2012 | CLFD | Option to Purchase Common Stock | Common Stock (2,400) | $5.91 | Feb. 21, 2018 | 2,400 | Acquired |
| Oct. 14, 2011 | CLFD | Employee Stock Option (Right to Buy) | Common Stock (7,500) | $1.16 | Feb. 27, 2015 | 7,500 | Disposed |
| Aug. 29, 2011 | CLFD | Employee Stock Option (Right to Buy) | Common Stock (5,000) | $0.96 | Feb. 28, 2014 | 5,000 | Disposed |
| Aug. 29, 2011 | CLFD | Employee Stock Option (Right to Buy) | Common Stock (2,500) | $1.04 | Aug. 24, 2012 | 2,500 | Disposed |
| Aug. 29, 2011 | CLFD | Employee Stock Option (Right to Buy) | Common Stock (1,000) | $2.87 | Feb. 26, 2016 | 1,000 | Disposed |
| Aug. 29, 2011 | CLFD | Employee Stock Option (Right to Buy) | Common Stock (5,000) | $0.96 | Feb. 28, 2014 | 5,000 | Acquired |
| Aug. 29, 2011 | CLFD | Employee Stock ption (Right to Buy) | Common Stock (2,500) | $1.04 | Aug. 24, 2012 | 2,500 | Acquired |
| Aug. 29, 2011 | CLFD | Employee Stock Option (Right to Buy) | Common Stock (1,000) | $2.87 | Feb. 26, 2016 | 1,000 | Acquired |
| July 26, 2011 | CLFD | Employee Stock Option (right to buy) | Common Stock (5,000) | $1.28 | Aug. 18, 2011 | 5,000 | Acquired |
| Feb. 25, 2011 | CLFD | Option to Purchase Common Stock | Common Stock (2,500) | $5.34 | Feb. 25, 2017 | 2,500 | Acquired |
| Aug. 6, 2010 | CLFD | STOCK OPTION | COMMON STOCK (5,000) | $1.41 | Aug. 19, 2010 | 5,000 | Disposed |
| Feb. 26, 2010 | CLFD | OPTION TO PURCHASE COMMON STOCK | COMMON SHARES (1,000) | $2.87 | Feb. 26, 2016 | 1,000 | Acquired |
| Feb. 27, 2009 | CLFD | COMMON STOCK OPTIONS | COMMON STOCK (7,500) | $1.16 | Feb. 27, 2015 | 7,500 | Acquired |
| Feb. 28, 2008 | CLFD | DIRECTOR COMMON STOCK | COMMON STOCK (5,000) | $0.96 | Feb. 28, 2014 | 5,000 | Acquired |
| Aug. 24, 2007 | CLFD | DIRECTOR STOCK OPTION | COMMON STOCK (2,500) | $1.03 | Aug. 12, 2012 | 2,500 | Acquired |
| Aug. 18, 2006 | CLFD | Director Stock Options | Common Stock (5,000) | $1.28 | Aug. 18, 2011 | 5,000 | Acquired |
| Aug. 19, 2005 | CLFD | Director Stock Options | Common Stock (5,000) | $1.41 | Aug. 19, 2010 | 5,000 | Acquired |
| Aug. 20, 2004 | CLFD | Director Stock Options | Common Stock (5,000) | $1.61 | Aug. 19, 2009 | 5,000 | Acquired |
| Aug. 22, 2003 | CLFD | Director Stock Option | Common Stock (5,000) | $2.91 | Aug. 22, 2008 | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).