GUTS · Fractyl Health, Inc. · Insider Trading

Open market purchase

Open market purchase.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant, in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant, in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

Open market purchase.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant, in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

Open market purchase.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant, in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant, in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant, in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant, in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant, in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

Open market purchase.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.7213 to $0.7324, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Includes 13,812 shares of common stock purchased pursuant to the Issuer's 2024 Employee Stock Purchase Plan (ESPP) on January 30, 2026, at a purchase price of $0.391 per share.

Open market purchase.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.6844 to $0.6896, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The stock option vests and becomes exercisable as to 25% of the shares subject to the option on January 12, 2027, with the remaining 75% of the underlying shares vesting in 36 equal monthly installments thereafter, subject to the Reporting Person's continuous service with the Company as of each such vesting date.

The stock option vests and becomes exercisable in equal installments on each of the first three anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.

The stock option vests and becomes exercisable in equal installments on each of the first three anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.

The stock option vests and becomes exercisable in equal installments on each of the first three anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.

The shares of Common Stock were purchased by the Reporting Person from the Issuer in a private placement, which transaction is exempt from Section 16(b) in accordance with Rule 16b-3(d)(1) promulgated under the Securities Exchange Act of 1934, as amended.

The stock option was awarded for the Reporting Person's appointment on the Issuer's board of directors pursuant to the Issuer's non-employee compensation policy. The stock option vests in three annual installments beginning on the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded for the Reporting Person's appointment on the Issuer's board of directors pursuant to the Issuer's non-employee compensation policy. The stock option vests in three annual installments beginning on the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The stock option was awarded as compensation for the Reporting Person's service on the Issuer's board of directors pursuant to the Issuer's non-employee director compensation policy. The stock option will vest and become exercisable in a single installment on the earlier of (i) the date of the next annual meeting of stockholders or (ii) the first anniversary of the grant in each case subject to continued service on the Issuer's board of directors as a non-employee director through the vesting date.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from 1.22 to 1.32, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from 1.165 to 1.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from 1.165 to 1.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.2350 to $1.2900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The stock option vests and becomes exercisable in equal installments on each of the first four anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.

In connection with the Issuer's initial public offering, on February 1, 2024 the Reporting Person was granted, subject to the satisfaction of certain performance criteria, an option to purchase 174,000 shares of common stock to vest in the form of shares of the Issuer's common stock in four substantially equal installments on December 31, 2024 and each of the first three anniversaries thereof. On February 27, 2025, the Issuer's administrator determined that the performance criteria were partially met, resulting in 104,400 shares subject to such option being earned, of which 25% vested on December 31, 2024 and the remaining 75% will vest in substantially equal installments on the first three anniversaries thereof.

The stock option vests and becomes exercisable in equal installments on each of the first four anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.

In connection with the Issuer's initial public offering, on February 1, 2024 the Reporting Person was granted, subject to the satisfaction of certain performance criteria, an option to purchase 152,500 shares of common stock to vest in the form of shares of the Issuer's common stock in four substantially equal installments on December 31, 2024 and each of the first three anniversaries thereof. On February 27, 2025, the Issuer's administrator determined that the performance criteria were partially met, resulting in 91,500 shares subject to such option being earned, of which 25% vested on December 31, 2024 and the remaining 75% will vest in substantially equal installments on the first three anniversaries thereof.

The stock option vests and becomes exercisable in equal installments on each of the first four anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.

In connection with the Issuer's initial public offering, on February 1, 2024 the Reporting Person was granted, subject to the satisfaction of certain performance criteria, an option to purchase 58,800 shares of common stock to vest in the form of shares of the Issuer's common stock in four substantially equal installments on December 31, 2024 and each of the first three anniversaries thereof. On February 27, 2025, the Issuer's administrator determined that the performance criteria were partially met, resulting in 35,280 shares subject to such option being earned, of which 25% vested on December 31, 2024 and the remaining 75% will vest in substantially equal installments on the first three anniversaries thereof.

The stock option vests and becomes exercisable in equal installments on each of the first four anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.

In connection with the Issuer's initial public offering, on February 1, 2024 the Reporting Person was granted, subject to the satisfaction of certain performance criteria, an option to purchase 132,300 shares of common stock to vest in the form of shares of the Issuer's common stock in four substantially equal installments on December 31, 2024 and each of the first three anniversaries thereof. On February 27, 2025, the Issuer's administrator determined that the performance criteria were partially met, resulting in 79,380 shares subject to such option being earned, of which 25% vested on December 31, 2024 and the remaining 75% will vest in substantially equal installments on the first three anniversaries thereof.

In connection with the Issuer's initial public offering, on February 1, 2024 the Reporting Person was granted, subject to the satisfaction of certain performance criteria, an option to purchase 435,900 shares of common stock to vest in the form of shares of the Issuer's common stock in four substantially equal installments on December 31, 2024 and each of the first three anniversaries thereof. On February 27, 2025, the Issuer's administrator determined that the performance criteria were partially met, resulting in 261,540 shares subject to such option being earned, of which 25% vested on December 31, 2024 and the remaining 75% will vest in substantially equal installments on the first three anniversaries thereof.

The stock option vests and becomes exercisable in equal installments on each of the first four anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.

The option is fully vested and exercisable.

Represents sales pursuant to a Rule 10b5-1 plan that the Reporting Person entered into on September 12, 2024.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.8000 to $1.8800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The option is fully vested and exercisable.

Represents sales pursuant to a Rule 10b5-1 plan that the Reporting Person entered into on September 13, 2024.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.8000 to $1.8800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The option is fully vested and exercisable.