John W. Chamberlain
Insider
First SEC filing: Jan. 11, 2011 · Latest: Jan. 11, 2011
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 19, 2015 | AAT | F | 55,531 | $44.36 | $2,463,355 | 152,234 Direct | -26.73% | Disposed | -51.6% (price as of 2026-10-05) |
| Dec. 1, 2014 | AAT | A | 19,719 | · | · | 207,765 Direct | +10.49% | Acquired | (price as of 2026-10-05) |
| Nov. 28, 2014 | AAT | F | 2,831 | $39.30 | $111,258 | 188,046 Direct | -1.48% | Disposed | -45.3% (price as of 2026-10-05) |
| Aug. 27, 2014 | AAT | S | 7,000 | $34.75 | $243,250 | 23,068 Indirect | -23.28% | Disposed | -38.2% (price as of 2026-10-05) |
| May 30, 2014 | AAT | S | 5,000 | $34.40 | $172,000 | 190,877 Direct | -2.55% | Disposed | -37.6% (price as of 2026-10-05) |
| March 25, 2014 | AAT | A | 22,592 | · | · | 195,877 Direct | +13.04% | Acquired | (price as of 2026-10-05) |
| Jan. 20, 2014 | AAT | F | 54,215 | $31.62 | $1,714,278 | 173,285 Direct | -23.83% | Disposed | -32.1% (price as of 2026-10-05) |
| Aug. 16, 2013 | AAT | S | 8,000 | $30.29 | $242,320 | 30,068 Indirect | -21.02% | Disposed | -29.1% (price as of 2026-10-05) |
| Aug. 5, 2013 | AAT | S | 2,818 | $32.42 | $91,360 | 38,068 Indirect | -6.89% | Disposed | -33.7% (price as of 2026-10-05) |
| May 31, 2013 | AAT | S | 2,500 | $32.13 | $80,325 | 59,766 Indirect | -4.02% | Disposed | -33.1% (price as of 2026-10-05) |
| May 17, 2013 | AAT | S | 5,000 | $34.96 | $174,800 | 62,266 Indirect | -7.43% | Disposed | -38.6% (price as of 2026-10-05) |
| May 10, 2013 | AAT | C | 2,818 | · | · | 10,694 Indirect | -20.86% | Disposed | (price as of 2026-10-05) |
| May 10, 2013 | AAT | C | 2,818 | · | · | 67,266 Indirect | +4.37% | Acquired | (price as of 2026-10-05) |
| Dec. 13, 2011 | AAT | P | 1,000 | $20.15 | $20,150 | 289,448 Indirect | +0.35% | Acquired | 6.6% (price as of 2026-10-05) |
| Aug. 19, 2011 | AAT | P | 2,500 | $18.27 | $45,675 | 227,500 Direct | +1.11% | Acquired | 17.6% (price as of 2026-10-05) |
| Aug. 12, 2011 | AAT | I | 12,500 | $18.49 | $231,125 | 12,500 Indirect | · | Acquired | 16.2% (price as of 2026-10-05) |
| Jan. 19, 2011 | AAT | J | 50,948 | · | · | 50,948 Indirect | · | Acquired | (price as of 2026-10-05) |
| Jan. 19, 2011 | AAT | J | 13,512 | · | · | 13,512 Indirect | · | Acquired | (price as of 2026-10-05) |
| Jan. 19, 2011 | AAT | J | 50,948 | · | · | 275,948 Indirect | +22.64% | Acquired | (price as of 2026-10-05) |
| Jan. 19, 2011 | AAT | A | 225,000 | · | · | 225,000 Direct | · | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| May 10, 2013 | AAT | Operating Partnership Units [F3] | Common Stock par value $0.01 | · | · | 2,818 | Disposed |
| Jan. 19, 2011 | AAT | Operating Partnership Units [F4] | Common Stock, par value $0.01 | · | · | 13,512 | 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 |
|---|---|---|---|---|
| Jan. 11, 2011 | AAT | No securities are beneficially owned | 0 | Direct |