Insider · CIK 0001679076
Andrew Lo
Files at ABCL (AbCellera Biologics Inc.), BBIO (BridgeBio Pharma, Inc.). First filing May 6, 2025, latest Nov 19, 2025.
Andrew Lo files SEC Form 4 as director at BBIO (BridgeBio Pharma, Inc.), and also at ABCL (AbCellera Biologics Inc.). Since May 6, 2025, Andrew Lo has reported 0 open-market buys worth $0 and 2 open-market sells worth $10M, the latest filed on Nov 19, 2025.
A track record needs three past buys with six months of prices behind them; Andrew Lo has 0, so none is measured yet.
The newest scored trade: sold $6.3M of BBIO on Nov 17, 2025, filed Nov 19, 2025, scored 75 (notable). In the last 12 months: 0 buys worth $0 and 1 sell worth $6.3M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
BBIO: BridgeBio Pharma, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 75Notable | BridgeBio Pharma, Inc. | $6.3M 95,599 shares | -175% | +199% from low0% from high | |
| 65Notable | BridgeBio Pharma, Inc. | $3.8M 100,000 shares | -49% | +73% from low0% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Nov 18, 2025 | BBIO BRIDGEBIO PHARMA, INC. | 55,000 0.03% of outstanding | $3.6M | Nov 18, 2025 | $2.7M |
| Nov 17, 2025 | BBIO BRIDGEBIO PHARMA, INC. | 40,599 0.02% of outstanding | $2.7M | Nov 17, 2025 | none |
| May 2, 2025 | BBIO BridgeBio Pharma, Inc. | 100,000 0.05% of outstanding | $3.5M | May 2, 2025 | none |
Transactions
Every row this insider has filed, 10 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 22, 2026 | BBIO BridgeBio Pharma, Inc. | AGrant or award Common Stock | +3,990 | $0.00 | $0 | 18,079 | Jun 24, 2026 |
| Jun 22, 2026 | BBIO BridgeBio Pharma, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +5,277 | $0.00 | $0 | 5,277 | Jun 24, 2026 |
| Nov 17, 2025 | BBIO BridgeBio Pharma, Inc. | SOpen-market sale Common Stock | -36,801 | $66.63 | $2.5M | 17,887 | Nov 19, 2025 |
| Nov 17, 2025 | BBIO BridgeBio Pharma, Inc. | SOpen-market sale Common Stock | -3,798 | $67.06 | $255k | 14,089 | Nov 19, 2025 |
| Nov 18, 2025 | BBIO BridgeBio Pharma, Inc. | SOpen-market sale Common Stockindirect: By Andrew W. Lo and Nancy N. Lo JTWROS | -24,007 | $65.23 | $1.6M | 81,576 | Nov 19, 2025 |
| Nov 18, 2025 | BBIO BridgeBio Pharma, Inc. | SOpen-market sale Common Stockindirect: By Andrew W. Lo and Nancy N. Lo JTWROS | -30,993 | $66.05 | $2.0M | 50,583 | Nov 19, 2025 |
| Jun 20, 2025 | BBIO BridgeBio Pharma, Inc. | AGrant or award Common Stock | +6,589 | $0.00 | $0 | 54,688 | Jun 24, 2025 |
| Jun 20, 2025 | BBIO BridgeBio Pharma, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +8,425 | $0.00 | $0 | 8,425 | Jun 24, 2025 |
| Jun 12, 2025 | ABCL AbCellera Biologics Inc. | AGrant or award Share option (right to buy)derivative | +238,864 | $0.00 | $0 | 541,354 | Jun 16, 2025 |
| May 2, 2025 | BBIO BridgeBio Pharma, Inc. | SOpen-market sale Common Stockindirect: By Andrew W. Lo and Nancy N. Lo JTWROS | -100,000 | $38.50 | $3.8M | 105,583 | May 6, 2025 |
Questions about Andrew Lo
Answered from the filings on this page, as of the latest one.
Is Andrew Lo buying or selling?
In the last 12 months Andrew Lo reported 0 open-market buys worth $0 and 1 open-market sell worth $6.3M on SEC Form 4; the latest was sold $6.3M of BBIO on Nov 17, 2025. Grants, option exercises and tax withholding are not counted.
How did Andrew Lo's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Andrew Lo has 0.
Where does Andrew Lo file Form 4?
Andrew Lo has filed Form 4 at BBIO (BridgeBio Pharma, Inc.); ABCL (AbCellera Biologics Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.