William T Porter
CIK 1159106 · View on SEC EDGAR ↗
Insider
First SEC filing: June 23, 2005 · Latest: June 23, 2005
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 19 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
19 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 8, 2013 | HLX | S | 1,900 | $23.76 | $45,144 | 73,685 Direct | -2.51% | Disposed | -55.3% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 2,637 | $23.75 | $62,629 | 75,585 Direct | -3.37% | Disposed | -55.2% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,400 | $23.74 | $33,236 | 78,222 Direct | -1.76% | Disposed | -55.2% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 3,900 | $23.73 | $92,547 | 79,622 Direct | -4.67% | Disposed | -55.2% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 3,200 | $23.72 | $75,904 | 83,522 Direct | -3.69% | Disposed | -55.2% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 2,800 | $23.71 | $66,388 | 86,722 Direct | -3.13% | Disposed | -55.2% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 3,300 | $23.70 | $78,210 | 89,522 Direct | -3.56% | Disposed | -55.1% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 2,063 | $23.69 | $48,872 | 92,822 Direct | -2.17% | Disposed | -55.1% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 5,100 | $23.68 | $120,768 | 94,885 Direct | -5.10% | Disposed | -55.1% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,600 | $23.67 | $37,872 | 99,985 Direct | -1.58% | Disposed | -55.1% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,300 | $23.66 | $30,758 | 101,585 Direct | -1.26% | Disposed | -55.1% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 700 | $23.65 | $16,555 | 102,885 Direct | -0.68% | Disposed | -55.1% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,300 | $23.64 | $30,732 | 103,585 Direct | -1.24% | Disposed | -55.0% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 400 | $23.63 | $9,452 | 104,885 Direct | -0.38% | Disposed | -55.0% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 300 | $23.62 | $7,086 | 105,285 Direct | -0.28% | Disposed | -55.0% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 300 | $23.60 | $7,080 | 105,585 Direct | -0.28% | Disposed | -55.0% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,000 | $23.59 | $23,590 | 105,885 Direct | -0.94% | Disposed | -54.9% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 522 | $23.58 | $12,309 | 106,885 Direct | -0.49% | Disposed | -54.9% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 278 | $23.57 | $6,552 | 107,407 Direct | -0.26% | Disposed | -54.9% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 800 | $23.56 | $18,848 | 107,685 Direct | -0.74% | Disposed | -54.9% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 800 | $23.55 | $18,840 | 108,485 Direct | -0.73% | Disposed | -54.9% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,000 | $23.54 | $23,540 | 109,285 Direct | -0.91% | Disposed | -54.8% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,200 | $23.53 | $28,236 | 110,285 Direct | -1.08% | Disposed | -54.8% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 2,100 | $23.52 | $49,392 | 111,485 Direct | -1.85% | Disposed | -54.8% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 2,610 | $23.51 | $61,361 | 113,585 Direct | -2.25% | Disposed | -54.8% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,090 | $23.50 | $25,615 | 116,195 Direct | -0.93% | Disposed | -54.8% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 1,200 | $23.49 | $28,188 | 117,285 Direct | -1.01% | Disposed | -54.7% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 700 | $23.48 | $16,436 | 118,485 Direct | -0.59% | Disposed | -54.7% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 200 | $23.47 | $4,694 | 119,185 Direct | -0.17% | Disposed | -54.7% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 600 | $23.80 | $14,280 | 66,585 Direct | -0.89% | Disposed | -55.3% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 2,600 | $23.79 | $61,854 | 67,185 Direct | -3.73% | Disposed | -55.3% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 900 | $23.78 | $21,402 | 69,785 Direct | -1.27% | Disposed | -55.3% (price as of 2026-08-20) |
| March 8, 2013 | HLX | S | 3,000 | $23.77 | $71,310 | 70,685 Direct | -4.07% | Disposed | -55.3% (price as of 2026-08-20) |
| July 6, 2007 | HLX | S | 17,600 | $44.00 | $774,400 | 0 Direct | -100.00% | Disposed | -75.8% (price as of 2026-08-20) |
| June 22, 2005 | HLX | S | 8,800 | $51.00 | $448,800 | 0 Direct | -100.00% | Disposed | -58.3% (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 8, 2013 | HLX | Common Stock | Common Stock (52,800) | $13.91 | May 11, 2014 | 52,800 | Disposed |
| Nov. 6, 2007 | HLX | Stock Option (option to buy) | Common Stock (17,600) | $13.91 | May 11, 2014 | 17,600 | Disposed |
| June 22, 2005 | HLX | Stock Option (Option to Buy_ | Common Stock (8,800) | $27.82 | May 11, 2014 | 8,800 | Disposed |
| May 11, 2004 | HLX | Stock Option (Option to Buy) | Common Stock (44,000) | $27.82 | May 11, 2014 | 44,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).