American Assets Trust Inc (AAT) insider trading
Recent insider transactions reported to the SEC on Form 4 — directors and officers buying or selling their own company’s stock. Sourced directly from public SEC filings, latest filed Sep 16, 2026.
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- Filings shown
- 9
- Open-market buys
- 18
- Open-market sells
- 0
- Buys, 10b5-1 box not checked
- 18 of 18
Counts cover the 9 most recent Form 4 filings Tradune holds for AAT (filed Aug 7 – Sep 16, 2026). No completed check of AAT's Form 4 list on SEC EDGAR is on record yet; the latest AAT filing Tradune holds was filed Sep 16, 2026. This is not guaranteed to be the complete record — see AAT's full Form 4 filing history on SEC EDGAR.
Open-market activity, last 90 days
Purchases (Form 4 code P) and sales (code S) on the 9 filings Tradune holds for AAT filed Aug 7 – Sep 16, 2026. Grants, exercises, tax withholding and the other Form 4 transaction codes are left out.
| Insider | Buys | Sells | Shares bought | Shares sold | Value |
|---|---|---|---|---|---|
| Ernest S. RadyExecutive Chairman | 18 | 0 | 888,957 | — | +$20,059,591 |
Value = shares × the price reported on each Form 4 (+ purchases, − sales); every open-market line in this window disclosed a price.
Summarises ~90 days of public SEC Form 4 activity — more distinct buyers, officer involvement and net buying score higher. A description of filing activity, not a rating or buy signal. How this score is computed →
Weekly signal history
AAT appeared in 3 archived weekly editions as a top net buyer. These are frozen weekly snapshots, not a complete filing history.
- Week of Oct 7, 2026 18 open-market buys · $20,059,591 net
- Week of Sep 30, 2026 16 open-market buys · $19,242,819 net
- Week of Sep 23, 2026 16 open-market buys · $19,242,819 net
An entry means this company met that edition’s displayed cluster or top-buyer threshold. Missing weeks do not mean no insider transaction occurred. All figures are derived from SEC Form 4 filings; open-market buys minus sales are shown as net only when every transaction value was disclosed.
How to read this: an open-market purchase (Form 4 code P) is a buy at the market price with the insider’s own money, as opposed to a grant, award or option exercise; an open-market sale is code S. When two or more distinct insiders report open-market purchases in the same 90-day window, this site labels that a cluster — a definition, not a forecast; see insider cluster buying. “Held after” is Form 4 Table I column 5; “Change” = shares ÷ holdings before the trade (held after − shares for an acquisition, held after + shares for a disposition).
Insider Buying at AAT
Insiders reported 18 open-market purchases of AAT in the trailing 90 days, across 1 distinct buyer. The most recent purchase was reported by Ernest S. Rady (Executive Chairman) on Sep 14, 2026. Grants, option exercises, and tax-withholding transactions are excluded from these counts.
Recent Form 4 filings
Source: SEC EDGAR Form 4 · transaction codes explained
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 50,000 | $21.65 | 2,463,658 (indirect) | +2.1% | Sep 14, 2026 |
† change in this filer’s own reported holding line (Form 4 Table I, col. 5), not of total company ownership; small prior holdings produce large percentages, so under 100 shares the prior holding is shown instead.
“10b5-1 box checked” = the filer checked the Form 4 box stating that a transaction on the filing was made under a plan intended to satisfy Rule 10b5-1(c); “10b5-1 box not checked” = the box was left blank, which does not prove that no plan exists. The box applies to Form 4s filed from April 1, 2023; older filings, and boxes we could not read, carry no tag. What the 10b5-1 box means.
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 96,636 | $22.50 | 2,413,658 (indirect) | +4.2% | Sep 2, 2026 |
| Open-market purchase 10b5-1 box not checked | 50,000 | $22.40 | 9,115,846 (indirect) | +0.6% | Sep 1, 2026 |
| Open-market purchase 10b5-1 box not checked | 20,000 | $22.33 | 9,065,846 (indirect) | +0.2% | Aug 31, 2026 |
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 50,000 | $22.52 | 9,045,846 (indirect) | +0.6% | Aug 28, 2026 |
| Open-market purchase 10b5-1 box not checked | 50,000 | $22.56 | 2,317,022 (indirect) | +2.2% | Aug 27, 2026 |
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 50,000 | $22.89 | 8,995,846 (indirect) | +0.6% | Aug 26, 2026 |
| Open-market purchase 10b5-1 box not checked | 29,729 | $22.74 | 8,945,846 (indirect) | +0.3% | Aug 24, 2026 |
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 50,000 | $22.75 | 8,916,117 (indirect) | +0.6% | Aug 21, 2026 |
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 10,000 | $22.77 | 8,866,117 (indirect) | +0.1% | Aug 19, 2026 |
| Open-market purchase 10b5-1 box not checked | 3,586 | $22.69 | 8,856,117 (indirect) | +0.0% | Aug 18, 2026 |
| Open-market purchase 10b5-1 box not checked | 50,000 | $22.55 | 8,852,531 (indirect) | +0.6% | Aug 17, 2026 |
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 50,000 | $22.79 | 8,802,531 (indirect) | +0.6% | Aug 14, 2026 |
| Open-market purchase 10b5-1 box not checked | 100,000 | $22.86 | 8,752,531 (indirect) | +1.2% | Aug 13, 2026 |
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 100,000 | $22.52 | 8,652,531 (indirect) | +1.2% | Aug 11, 2026 |
| Open-market purchase 10b5-1 box not checked | 93,243 | $22.45 | 8,552,531 (indirect) | +1.1% | Aug 10, 2026 |
| Transaction | Shares | Price | Held after | Change† | Date |
|---|---|---|---|---|---|
| Open-market purchase 10b5-1 box not checked | 32,763 | $22.82 | 8,459,288 (indirect) | +0.4% | Aug 7, 2026 |
| Open-market purchase 10b5-1 box not checked | 3,000 | $23.04 | 107,859 (indirect) | +2.9% | Aug 5, 2026 |
Insider filings reported around the same time
Other companies whose most recent Form 4 was filed closest to AAT's (Sep 16, 2026).
Frequently asked about AAT insider activity
How many insiders bought AAT stock in the last 90 days?
1 distinct insider at American Assets Trust Inc reported 18 open-market purchases (Form 4 code P) of AAT shares in the trailing 90 days, the most recent filed by Ernest S. Rady (Executive Chairman) on Sep 14, 2026. Grants, option exercises, and tax-withholding transactions are excluded from these counts.
Who filed the most recent Form 4 for AAT?
The most recent Form 4 on this page was filed by Ernest S. Rady (Executive Chairman) on Sep 16, 2026, reporting 1 transaction. The original document is linked from the filing list above on SEC EDGAR. Amended filings (Form 4/A) may later revise reported figures.
What was the largest open-market AAT insider purchase shown?
The largest open-market purchase among the filings shown was 100,000 AAT shares at $22.86 (about $2,286,000) by Ernest S. Rady (Executive Chairman) on Aug 13, 2026. Value is shares × the price reported on the Form 4; its Rule 10b5-1 box is not checked.
Do the recent AAT insider purchases have the Form 4 10b5-1 box checked?
No. All 18 AAT open-market purchases shown were reported with the Rule 10b5-1 box not checked. A blank box records what the filer disclosed; it does not prove that no plan exists. Latest: Ernest S. Rady (Executive Chairman) on Sep 14, 2026, 50,000 shares.
New to Form 4s? The transaction codes, the 90-day window and the 0–100 score are defined on the insider-activity score methodology page.
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Track AAT insider filings free →This score summarizes SEC Form 4 filing activity over the trailing 90 days. It is descriptive, not predictive — not a rating, recommendation, or investment advice. Data: SEC EDGAR (public domain), as filed; amendments may revise figures. Tradune is not a registered investment adviser.
Data as filed; amended filings (Form 4/A) may revise figures. Sales may occur under prearranged Rule 10b5-1 trading plans.