Stefan K.L. Oh
CIK 1518484 · View on SEC EDGAR ↗
First SEC filing: April 27, 2017 · Latest: April 27, 2017
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
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 6, 2026 | AHR | M | 3,185 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| April 6, 2026 | AHR | F | 1,621 | $48.09 | $77,954 | 96,994 Direct | -1.64% | Disposed | 15.1% (price as of 2026-08-20) |
| April 6, 2026 | AHR | M | 3,185 | — | — | 98,615 Direct | +3.34% | Acquired | (price as of 2026-08-20) |
| March 25, 2026 | AHR | A | 9,510 | — | — | 9,510 Direct | — | Acquired | (price as of 2026-08-20) |
| March 25, 2026 | AHR | M | 5,086 | — | — | 10,174 Direct | -33.33% | Disposed | (price as of 2026-08-20) |
| March 25, 2026 | AHR | M | 9,151 | — | — | 9,152 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| March 25, 2026 | AHR | F | 2,588 | $48.25 | $124,871 | 95,430 Direct | -2.64% | Disposed | 14.8% (price as of 2026-08-20) |
| March 25, 2026 | AHR | M | 5,086 | — | — | 98,018 Direct | +5.47% | Acquired | (price as of 2026-08-20) |
| March 25, 2026 | AHR | F | 4,657 | $48.25 | $224,700 | 92,932 Direct | -4.77% | Disposed | 14.8% (price as of 2026-08-20) |
| March 25, 2026 | AHR | M | 9,151 | — | — | 97,589 Direct | +10.35% | Acquired | (price as of 2026-08-20) |
| March 12, 2026 | AHR | M | 6,370 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| March 12, 2026 | AHR | A | 6,370 | — | — | 6,370 Direct | — | Acquired | (price as of 2026-08-20) |
| March 12, 2026 | AHR | F | 3,437 | $52.80 | $181,474 | 88,438 Direct | -3.74% | Disposed | 4.9% (price as of 2026-08-20) |
| March 12, 2026 | AHR | M | 6,370 | — | — | 91,875 Direct | +7.45% | Acquired | (price as of 2026-08-20) |
| Feb. 9, 2026 | AHR | F | 10,166 | $48.77 | $495,796 | 85,505 Direct | -10.63% | Disposed | 13.5% (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 |
|---|---|---|---|---|---|---|---|
| April 6, 2026 | AHR | Restricted Stock Unit | Common Stock (3,185) | — | — | 3,185 | Disposed |
| March 25, 2026 | AHR | Restricted Stock Unit | Common Stock (9,510) | — | — | 9,510 | Acquired |
| March 25, 2026 | AHR | Restricted Stock Unit | Common Stock (5,086) | — | — | 5,086 | Disposed |
| March 25, 2026 | AHR | Restricted Stock Unit | Common Stock (9,151) | — | — | 9,151 | Disposed |
| March 12, 2026 | AHR | Restricted Stock Unit | Common Stock (6,370) | — | — | 6,370 | Disposed |
| March 12, 2026 | AHR | Restricted Stock Unit | Common Stock (6,370) | — | — | 6,370 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $440,000 | $198,000 | — | — | $462,000 | — | $105,930 | $2,265,432 |
| 2024 | $425,000 | $95,625 | $1,771,861 | — | $334,688 | — | $112,041 | $2,739,215 |
| 2023 | $400,000 | $90,000 | $400,005 | — | $289,800 | — | $41,803 | $1,221,608 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.