| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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Chief Medical Officer
1 company
William Ho last filed a Form 4 in June 2025, as Chief Medical Officer at RAPT. William Ho's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
Historically, William Ho's trades have earned a strong insider score of 75/100 across 35 rated trades. Over a 12-month horizon, 91.4% of those trades were profitable, with an average 12-month return of +32.7%.
At the last filing, the largest reported position was 15,020 shares of RAPT. The RAPT filings lean toward selling, a net 116,000 shares.
William Ho has 80 Form 4 filings on record from October 2019 to June 2025, all as Chief Medical Officer at RAPT Therapeutics (RAPT), 2019–2025.
The 114 reported transactions were 64 open-market sales, 29 option exercises, 14 option or other derivative awards and 6 dispositions back to the company, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 56 sales worth about $2.9M.
The largest open-market sale was 5,000 shares of RAPT at an average $30.00 on January 24, 2023, about $150K. Twelve months later RAPT was down 19%.
None of the 5 sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
Shares as reported in the last Form 4 for each company; the most recent is from June 2025. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 21, 2023 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 2,500 | $21.68 | $54,200.00 | -14.3% | -61.2% | -96.3% | |
| Nov 28, 2023 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 1,500 | $13.72 | $20,580.00 | -7.9% | -33.9% | -91.4% | |
| Oct 3, 2023 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 2,500 | $15.77 | $39,425.00 | -11.7% | +60.8% | -85.1% | |
| Aug 18, 2023 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 2,500 | $18.92 | $47,300.00 | -10.5% | -30.8% | -88.5% | |
| Apr 19, 2023 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 5,000 | $18.88 | $94,400.00 | -19.2% | +10.6% | -58.9% | |
| Mar 7, 2023 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 5,000 | $29.62 | $148,100.00 | -16.4% | -31.0% | -69.8% | |
| Jan 24, 2023 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 5,000 | $30.00 | $150,000.00 | -14.3% | -34.3% | -19.1% | |
| Jan 19, 2023 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 5,000 | $25.56 | $127,800.00 | -12.5% | -28.4% | -11.4% | |
| Dec 29, 2022 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 5,000 | $18.03 | $90,150.00 | -11.7% | -4.9% | +29.8% | |
| Nov 28, 2022 | RAPT Rapt Therapeutics, Inc. | Chief Medical Officer | Sell | 5,000 | $17.87 | $89,350.00 | -10.5% | +66.8% | -18.0% |