Lijun Gao
CIK 1975911 · View on SEC EDGAR ↗
Insider
First SEC filing: March 18, 2026 · Latest: March 18, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | ATAT | A | 2,337 | — | — | 2,337 Direct | — | Acquired | (price as of 2026-08-21) |
| July 15, 2026 | ATAT | A | 3,504 | — | — | 3,504 Direct | — | Acquired | (price as of 2026-08-21) |
| July 15, 2026 | ATAT | A | 5,840 | — | — | 5,840 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| July 15, 2026 | ATAT | Employee Stock Options (Right to buy) | Class A Ordinary Shares (2,337) | $0.01 | July 14, 2036 | 2,337 | Acquired |
| July 15, 2026 | ATAT | Employee Stock Options (Right to buy) | Class A Ordinary Shares (3,504) | $0.01 | July 14, 2036 | 3,504 | Acquired |
| July 15, 2026 | ATAT | Employee Stock Options (Right to buy) | Class A Ordinary Shares (5,840) | $0.01 | July 14, 2036 | 5,840 | Acquired |
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 |
|---|---|---|---|---|
| March 18, 2026 | ATAT | American Depositary Shares | — | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (60,000) | 60,000 | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (75,000) | 75,000 | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (75,000) | 75,000 | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (75,000) | 75,000 | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (3,000) | 3,000 | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (3,842) | 3,842 | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (1,540) | 1,540 | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (2,563) | 2,563 | Direct |
| March 18, 2026 | ATAT | Employee Stock Options (Right to buy)→ Class A Ordinary Shares (1,028) | 1,028 | Direct |