C K Prahalad
CIK 1022938 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 17, 2007 · Latest: Sept. 17, 2007
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 65 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 31, 2010 | VYX | A | 1,450 | — | — | 1,450 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 31, 2009 | VYX | A | 1,797 | — | — | 1,797 Direct | — | Acquired | (price as of 2026-08-20) |
| Sept. 30, 2009 | VYX | A | 1,448 | — | — | 1,448 Direct | — | Acquired | (price as of 2026-08-20) |
| June 30, 2009 | VYX | A | 1,691 | — | — | 1,691 Direct | — | Acquired | (price as of 2026-08-20) |
| May 1, 2009 | VYX | A | 19,134 | — | — | 19,134 Direct | — | Acquired | (price as of 2026-08-20) |
| May 1, 2009 | VYX | A | 6,651 | $10.09 | $67,109 | 59,135 Direct | +12.67% | Acquired | 23.5% (price as of 2026-08-20) |
| March 31, 2009 | VYX | A | 2,516 | — | — | 2,516 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 31, 2008 | VYX | A | 1,415 | — | — | 1,415 Direct | — | Acquired | (price as of 2026-08-20) |
| Sept. 30, 2008 | TDC | A | 982 | $19.50 | $19,149 | 55,425 Direct | +1.80% | Acquired | 43.2% (price as of 2026-08-20) |
| Sept. 30, 2008 | VYX | A | 908 | — | — | 908 Direct | — | Acquired | (price as of 2026-08-20) |
| June 30, 2008 | VYX | A | 794 | — | — | 794 Direct | — | Acquired | (price as of 2026-08-20) |
| June 30, 2008 | TDC | A | 865 | $23.14 | $20,016 | 54,443 Direct | +1.61% | Acquired | 20.6% (price as of 2026-08-20) |
| May 14, 2008 | VYX | A | 7,152 | — | — | 7,152 Direct | — | Acquired | (price as of 2026-08-20) |
| May 14, 2008 | VYX | A | 2,545 | $25.17 | $64,058 | 52,484 Direct | +5.10% | Acquired | -50.5% (price as of 2026-08-20) |
| April 28, 2008 | TDC | A | 7,496 | — | — | 7,496 Direct | — | Acquired | (price as of 2026-08-20) |
| April 28, 2008 | TDC | A | 2,889 | — | — | 53,578 Direct | +5.70% | Acquired | (price as of 2026-08-20) |
| April 14, 2008 | VYX | M | 4,046 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| April 14, 2008 | VYX | M | 4,046 | $7.44 | $30,102 | 49,939 Direct | +8.82% | Acquired | 67.5% (price as of 2026-08-20) |
| April 14, 2008 | TDC | M | 4,046 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| April 14, 2008 | TDC | M | 4,046 | $8.70 | $35,200 | 50,689 Direct | +8.67% | Acquired | 220.9% (price as of 2026-08-20) |
| March 31, 2008 | TDC | A | 907 | $22.06 | $20,008 | 46,643 Direct | +1.98% | Acquired | 26.5% (price as of 2026-08-20) |
| March 31, 2008 | VYX | A | 975 | — | — | 975 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 31, 2007 | TDC | A | 730 | $27.41 | $20,009 | 45,736 Direct | +1.62% | Acquired | 1.8% (price as of 2026-08-20) |
| Dec. 31, 2007 | TDC | A | 1,414 | $27.41 | $38,758 | 46,420 Direct | +3.14% | Acquired | 1.8% (price as of 2026-08-20) |
| Dec. 31, 2007 | VYX | A | 887 | $25.10 | $22,264 | 45,893 Direct | +1.97% | Acquired | -50.4% (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 4,046 | — | — | 4,046 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 12,000 | — | — | 12,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 12,000 | — | — | 12,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 12,000 | — | — | 12,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 8,000 | — | — | 8,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 8,000 | — | — | 8,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 8,000 | — | — | 8,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 3,724 | — | — | 3,724 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 3,252 | — | — | 3,252 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2007 | TDC | A | 979 | — | — | 45,006 Direct | +2.22% | Acquired | (price as of 2026-08-20) |
| Sept. 7, 2007 | VYX | A | 456 | $48.88 | $22,289 | 45,006 Direct | +1.02% | Acquired | -74.5% (price as of 2026-08-20) |
| July 3, 2007 | VYX | A | 424 | $52.54 | $22,277 | 44,550 Direct | +0.96% | Acquired | -76.3% (price as of 2026-08-20) |
| April 25, 2007 | VYX | A | 3,252 | — | — | 3,252 Direct | — | Acquired | (price as of 2026-08-20) |
| April 25, 2007 | VYX | A | 1,305 | $49.80 | $64,989 | 44,126 Direct | +3.05% | Acquired | -75.0% (price as of 2026-08-20) |
| March 30, 2007 | VYX | A | 465 | $47.92 | $22,283 | 42,821 Direct | +1.10% | Acquired | -74.0% (price as of 2026-08-20) |
| March 20, 2007 | VYX | M | 4,900 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| March 20, 2007 | VYX | M | 4,900 | $15.31 | $75,019 | 42,356 Direct | +13.08% | Acquired | -18.6% (price as of 2026-08-20) |
| Dec. 29, 2006 | VYX | A | 520 | $42.81 | $22,261 | 37,456 Direct | +1.41% | Acquired | -70.9% (price as of 2026-08-20) |
| Sept. 29, 2006 | VYX | A | 568 | $39.23 | $22,283 | 36,936 Direct | +1.56% | Acquired | -68.2% (price as of 2026-08-20) |
| June 30, 2006 | VYX | A | 796 | $36.72 | $29,229 | 36,368 Direct | +2.24% | Acquired | -66.1% (price as of 2026-08-20) |
| April 26, 2006 | VYX | A | 3,724 | — | — | 3,724 Direct | — | Acquired | (price as of 2026-08-20) |
| April 26, 2006 | VYX | A | 1,486 | $43.92 | $65,265 | 35,572 Direct | +4.36% | Acquired | -71.6% (price as of 2026-08-20) |
| March 31, 2006 | VYX | A | 458 | $42.07 | $19,268 | 34,086 Direct | +1.36% | Acquired | -70.4% (price as of 2026-08-20) |
| Dec. 30, 2005 | VYX | A | 567 | $33.97 | $19,261 | 33,628 Direct | +1.72% | Acquired | -63.3% (price as of 2026-08-20) |
| Sept. 30, 2005 | VYX | A | 701 | $31.75 | $22,257 | 33,061 Direct | +2.17% | Acquired | -60.8% (price as of 2026-08-20) |
| June 30, 2005 | VYX | A | 485 | $35.63 | $17,281 | 32,360 Direct | +1.52% | Acquired | -65.0% (price as of 2026-08-20) |
| April 27, 2005 | VYX | A | 8,000 | — | — | 8,000 Direct | — | Acquired | (price as of 2026-08-20) |
| April 27, 2005 | VYX | A | 4,000 | $32.86 | $131,440 | 31,875 Direct | +14.35% | Acquired | -62.1% (price as of 2026-08-20) |
| March 31, 2005 | VYX | A | 609 | $33.27 | $20,261 | 27,875 Direct | +2.23% | Acquired | -62.5% (price as of 2026-08-20) |
| March 31, 2005 | VYX | A | 609 | $33.27 | $20,261 | 14,242 Direct | +4.47% | Acquired | -62.5% (price as of 2026-08-20) |
| Dec. 31, 2004 | VYX | A | 228 | $69.24 | $15,787 | 13,633 Direct | +1.70% | Acquired | -64.0% (price as of 2026-08-20) |
| Sept. 30, 2004 | VYX | A | 349 | $49.55 | $17,293 | 13,405 Direct | +2.67% | Acquired | -49.7% (price as of 2026-08-20) |
| June 30, 2004 | VYX | A | 321 | $49.15 | $15,777 | 13,056 Direct | +2.52% | Acquired | -49.3% (price as of 2026-08-20) |
| April 28, 2004 | VYX | A | 4,000 | — | — | 4,000 Direct | — | Acquired | (price as of 2026-08-20) |
| April 28, 2004 | VYX | A | 2,000 | $46.28 | $92,560 | 12,735 Direct | +18.63% | Acquired | -46.1% (price as of 2026-08-20) |
| March 31, 2004 | VYX | A | 395 | $43.78 | $17,293 | 10,735 Direct | +3.82% | Acquired | -43.1% (price as of 2026-08-20) |
| Dec. 31, 2003 | VYX | A | 484 | $38.81 | $18,784 | 10,340 Direct | +4.91% | Acquired | -35.8% (price as of 2026-08-20) |
| Sept. 30, 2003 | VYX | A | 401 | $31.80 | $12,752 | 9,856 Direct | +4.24% | Acquired | -21.6% (price as of 2026-08-20) |
| June 30, 2003 | VYX | A | 444 | $25.35 | $11,255 | 9,455 Direct | +4.93% | Acquired | -1.7% (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 |
|---|---|---|---|---|---|---|---|
| March 31, 2010 | VYX | Phantom Stock Units | Common Stock (1,450) | — | — | 1,450 | Acquired |
| Dec. 31, 2009 | VYX | Phantom Stock Units | Common Stock (1,797) | — | — | 1,797 | Acquired |
| Sept. 30, 2009 | VYX | Phantom Stock Units | Common Stock (1,448) | — | — | 1,448 | Acquired |
| June 30, 2009 | VYX | Phantom Stock Units | Common Stock (1,691) | — | — | 1,691 | Acquired |
| May 1, 2009 | VYX | Stock Option (Right to Buy) | Common Stock (19,134) | $10.09 | May 1, 2019 | 19,134 | Acquired |
| March 31, 2009 | VYX | Phantom Stock units | Common Stock (2,516) | — | — | 2,516 | Acquired |
| Dec. 31, 2008 | VYX | Phantom Stock Units | Common Stock (1,415) | — | — | 1,415 | Acquired |
| Sept. 30, 2008 | VYX | Phantom Stock Units | Common Stock (908) | $22.05 | — | 908 | Acquired |
| June 30, 2008 | VYX | Phantom Stock Units | Common Stock (794) | — | — | 794 | Acquired |
| May 14, 2008 | VYX | Stock Option (Right to Buy) | Common Stock (7,152) | $25.17 | May 14, 2018 | 7,152 | Acquired |
| April 28, 2008 | TDC | Director Stock Options | Common Stock (7,496) | $22.24 | April 28, 2018 | 7,496 | Acquired |
| April 14, 2008 | VYX | Stock Option (Right to Buy) | Common Stock (4,046) | — | April 16, 2008 | 4,046 | Disposed |
| April 14, 2008 | TDC | Director Stock Option | Common Stock (4,046) | $8.70 | April 16, 2008 | 4,046 | Disposed |
| March 31, 2008 | VYX | Phantom Stock Units | Common Stock (975) | — | — | 975 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (4,046) | $8.70 | April 16, 2008 | 4,046 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (10,000) | $13.87 | April 15, 2009 | 10,000 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (12,000) | $10.64 | April 27, 2010 | 12,000 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (12,000) | $12.33 | April 18, 2011 | 12,000 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (12,000) | $10.55 | April 24, 2012 | 12,000 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (8,000) | $5.95 | April 23, 2013 | 8,000 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (8,000) | $12.48 | April 28, 2014 | 8,000 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (8,000) | $17.72 | April 27, 2015 | 8,000 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (3,724) | $23.68 | April 26, 2016 | 3,724 | Acquired |
| Oct. 1, 2007 | TDC | Director Stock Option | Common Stock (3,252) | $26.85 | April 25, 2017 | 3,252 | Acquired |
| April 25, 2007 | VYX | Stock Option (Right to Buy) | Common Stock (3,252) | $49.80 | April 25, 2017 | 3,252 | Acquired |
| March 20, 2007 | VYX | Stock Option (Right to Buy) | Common Stock (4,900) | — | April 15, 2007 | 4,900 | Disposed |
| April 26, 2006 | VYX | Stock Option (Right to Buy) | Common Stock (3,724) | $43.92 | April 26, 2016 | 3,724 | Acquired |
| April 27, 2005 | VYX | Stock Option (Right to Buy) | Common Stock (8,000) | $32.86 | April 27, 2015 | 8,000 | Acquired |
| April 28, 2004 | VYX | Stock Option (Right to Buy) | Common Stock (4,000) | $46.28 | April 28, 2014 | 4,000 | 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 |
|---|---|---|---|---|
| Sept. 17, 2007 | TDC | No Securities Beneficially Owned | 0 | Direct |