| 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 Development Officer
1 company
Tai Sandi See is Chief Development Officer at LXEO. Tai Sandi See's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $204K at current prices.
Historically, Tai Sandi See's trades have earned a below-average insider score of 48/100 across 5 rated trades. Over a 12-month horizon, 25.0% of those trades were profitable, with an average 12-month return of -6.4%.
The LXEO filings lean toward selling, a net 6,509 shares.
Tai Sandi See has 7 Form 4 filings on record from January 2025 to November 2025, all as Chief Development Officer at Lexeo Therapeutics (LXEO), 2025.
The 10 reported transactions were 6 open-market sales, 3 stock awards and 1 option or other derivative award.
Counted by filing, the open-market trades come to no purchases and 5 sales worth about $48K.
The largest open-market sale was 3,888 shares of LXEO at an average $8.94 on October 17, 2025, about $35K. Twelve months later LXEO was down 72%.
None of the 5 sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 18, 2025 | LXEO Lexeo Therapeutics, Inc. | Chief Development Officer | Sell | 386 | $9.27 | $3,578.22 | -0.6% | -31.6% | - | |
| Oct 17, 2025 | LXEO Lexeo Therapeutics, Inc. | Chief Development Officer | Sell | 3,888 | $8.94 | $34,766.82 | -5.6% | -21.7% | -72.4% | |
| Aug 18, 2025 | LXEO Lexeo Therapeutics, Inc. | Chief Development Officer | Sell | 382 | $4.67 | $1,783.18 | -0.6% | +92.7% | +0.2% | |
| May 16, 2025 | LXEO Lexeo Therapeutics, Inc. | Chief Development Officer | Sell | 367 | $2.77 | $1,018.06 | -0.6% | +47.8% | +57.1% | |
| Feb 19, 2025 | LXEO Lexeo Therapeutics, Inc. | Chief Development Officer | Sell | 1,486 | $4.41 | $6,557.72 | -2.7% | -20.9% | +40.6% |