William S Hayes
CIK 1517085 · View on SEC EDGAR ↗
Insider
First SEC filing: May 11, 2011 · Latest: May 11, 2011
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 14 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
14 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 2, 2014 | KOS | S 10b5-1 | 21,326 | $9.86 | $210,274 | 1,204,177 Direct | -1.74% | Disposed | -69.4% (price as of 2026-08-21) |
| Aug. 18, 2014 | KOS | S 10b5-1 | 15,000 | $10.00 | $150,000 | 1,225,503 Direct | -1.21% | Disposed | -69.9% (price as of 2026-08-21) |
| Aug. 4, 2014 | KOS | S 10b5-1 | 16,000 | $9.50 | $152,000 | 1,240,503 Direct | -1.27% | Disposed | -68.3% (price as of 2026-08-21) |
| Aug. 1, 2014 | KOS | S 10b5-1 | 4,000 | $9.52 | $38,080 | 1,256,503 Direct | -0.32% | Disposed | -68.3% (price as of 2026-08-21) |
| July 1, 2014 | KOS | S 10b5-1 | 35,000 | $11.17 | $390,950 | 1,260,503 Direct | -2.70% | Disposed | -73.0% (price as of 2026-08-21) |
| June 2, 2014 | KOS | S 10b5-1 | 35,000 | $10.32 | $361,200 | 1,263,741 Direct | -2.69% | Disposed | -70.8% (price as of 2026-08-21) |
| May 1, 2014 | KOS | S 10b5-1 | 35,000 | $10.86 | $380,100 | 1,364,551 Direct | -2.50% | Disposed | -72.2% (price as of 2026-08-21) |
| April 1, 2014 | KOS | S 10b5-1 | 35,000 | $10.95 | $383,250 | 1,399,551 Direct | -2.44% | Disposed | -72.5% (price as of 2026-08-21) |
| March 31, 2014 | KOS | S 10b5-1 | 35,000 | $10.93 | $382,550 | 1,434,551 Direct | -2.38% | Disposed | -72.4% (price as of 2026-08-21) |
| Dec. 2, 2013 | KOS | S 10b5-1 | 15,000 | $11.03 | $165,450 | 1,469,551 Direct | -1.01% | Disposed | -72.7% (price as of 2026-08-21) |
| Nov. 18, 2013 | KOS | S 10b5-1 | 1,600 | $11.27 | $18,032 | 1,484,551 Direct | -0.11% | Disposed | -73.2% (price as of 2026-08-21) |
| July 16, 2013 | KOS | S 10b5-1 | 14,800 | $11.00 | $162,800 | 1,486,151 Direct | -0.99% | Disposed | -72.6% (price as of 2026-08-21) |
| July 15, 2013 | KOS | S 10b5-1 | 200 | $11.00 | $2,200 | 1,500,951 Direct | -0.01% | Disposed | -72.6% (price as of 2026-08-21) |
| May 20, 2013 | KOS | S 10b5-1 | 15,000 | $12.02 | $180,300 | 1,473,388 Direct | -1.01% | Disposed | -74.9% (price as of 2026-08-21) |
| Feb. 21, 2013 | KOS | S | 80,000 | $11.00 | $880,000 | 1,549,702 Direct | -4.91% | Disposed | -72.6% (price as of 2026-08-21) |
| Feb. 1, 2013 | KOS | S 10b5-1 | 15,000 | $12.41 | $186,150 | 1,629,702 Direct | -0.91% | Disposed | -75.7% (price as of 2026-08-21) |
| Jan. 4, 2013 | KOS | S 10b5-1 | 15,000 | $13.00 | $195,000 | 1,644,702 Direct | -0.90% | Disposed | -76.8% (price as of 2026-08-21) |
| Jan. 2, 2013 | KOS | S 10b5-1 | 15,000 | $12.48 | $187,200 | 1,659,702 Direct | -0.90% | Disposed | -75.8% (price as of 2026-08-21) |
| Dec. 5, 2012 | KOS | S 10b5-1 | 15,000 | $12.01 | $180,150 | 1,674,702 Direct | -0.89% | Disposed | -74.9% (price as of 2026-08-21) |
| Nov. 5, 2012 | KOS | S 10b5-1 | 3,100 | $12.22 | $37,882 | 1,689,702 Direct | -0.18% | Disposed | -75.3% (price as of 2026-08-21) |
| May 16, 2011 | KOS | P | 1,500 | $18.00 | $27,000 | 840,767 Direct | +0.18% | Acquired | -83.3% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| June 15, 2011 | KOS | Common Shares (Right to Receive) | Common Shares (176,471) | — | June 15, 2011 | 176,471 | Disposed |
| May 18, 2011 | KOS | Common Shares (Right to Receive) | Common Shares (176,471) | — | — | 176,471 | 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 |
|---|---|---|---|---|
| May 11, 2011 | KOS | Common Stock [F1] | 0 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2011 | $359,567 | $262,500 | $15,262,940 | — | — | — | $14,700 | $15,899,707 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.