William D Mayo
Insider
First SEC filing: Feb. 3, 2006 · Latest: Feb. 3, 2006
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 2, 2006 | CAT | M | 3,590 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | M | 3,868 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | M | 15,720 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | M | 9,392 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | F | 1,458 | $68.54 | $99,931 | 12,488 Direct | -10.45% | Disposed | 1159.8% (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | M | 3,590 | $27.84 | $99,946 | 13,946 Direct | +34.67% | Acquired | 3001.4% (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | F | 1,457 | $68.54 | $99,863 | 10,356 Direct | -12.33% | Disposed | 1159.8% (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | M | 3,868 | $25.83 | $99,910 | 11,813 Direct | +48.68% | Acquired | 3242.8% (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | S | 25,112 | $68.08 | $1,709,625 | 7,945 Direct | -75.97% | Disposed | 1168.3% (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | M | 15,720 | $25.36 | $398,659 | 33,057 Direct | +90.67% | Acquired | 3304.7% (price as of 2026-10-06) |
| Feb. 2, 2006 | CAT | M | 9,392 | $31.17 | $292,749 | 17,337 Direct | +118.21% | Acquired | 2670.1% (price as of 2026-10-06) |
| Feb. 1, 2006 | CAT | I | 2,245 | $68.40 | $153,558 | 7,945 Direct | +39.39% | Acquired | 1162.3% (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 2, 2006 | CAT | Employee Stock Option [F2] | Common | $27.84 | June 9, 2008 | 3,590 | Disposed |
| Feb. 2, 2006 | CAT | Employee Stock Option [F2] | Common | $25.83 | June 10, 2007 | 3,868 | Disposed |
| Feb. 2, 2006 | CAT | Employee Stock Option [F2] | Common | $25.36 | June 11, 2012 | 15,720 | Disposed |
| Feb. 2, 2006 | CAT | Employee Stock Option [F2] | Common | $31.17 | June 8, 2009 | 9,392 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 2, 2005 | CAT | Common | · | Direct |
| Dec. 2, 2005 | CAT | Option (ISO) [F1] | 3,868 | Direct |
| Dec. 2, 2005 | CAT | Option (ISO) [F1] | 3,590 | Direct |
| Dec. 2, 2005 | CAT | Option (ISO) [F1] | 3,208 | Direct |
| Dec. 2, 2005 | CAT | Option (NQ) [F1] | 9,392 | Direct |
| Dec. 2, 2005 | CAT | Option (ISO) [F1] | 5,202 | Direct |
| Dec. 2, 2005 | CAT | Option (NQ) [F1] | 15,720 | Direct |
| Dec. 2, 2005 | CAT | Option (NQ) [F1] | 15,720 | Direct |
| Dec. 2, 2005 | CAT | Option (NQ) [F1] | 15,720 | Direct |
| Dec. 2, 2005 | CAT | Option (NQ) [F1] | 8,600 | Direct |