InsiderTrades

Form 4 for ADCT ADC Therapeutics SA

Accepted 2026-04-02 21:00:23 ET · period of report 2026-03-31 · accession 0001104659-26-039359 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
MI 2026-04-02 21:00 2026-03-31+ ADCT Redmile Group, LLC 10% S - Sale $3.34 -3.00M 12.67M -19% -$10.02M
M 2026-04-02 21:00 2026-03-31+ ADCT Redmile Group, LLC 10% S - Sale $3.34 -2.88M 10.27M -22% -$9.62M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-31 S D 196,229 $3.75 15,470,502 I See Footnote — — (F3) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.63 to $3.81, inclusive. The Reporting Persons undertake to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price. (F1) These securities are directly owned by certain private investment vehicles managed by Redmile Group, LLC ("Redmile"), including RedCo II Master Fund, L.P., and may be deemed beneficially owned by Redmile as investment manager of such private investment vehicles. The reported securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.
2 Common Common Stock 2026-03-31 S D 188,407 $3.75 12,957,305 D — — (F3) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.63 to $3.81, inclusive. The Reporting Persons undertake to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price. (F2) These securities are directly owned by RedCo II Master Fund, L.P.
3 Common Common Stock 2026-04-01 S D 169,265 $3.80 15,301,237 I See Footnote — — (F4) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.70 to $3.83, inclusive. The Reporting Persons undertake to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price. (F1) These securities are directly owned by certain private investment vehicles managed by Redmile Group, LLC ("Redmile"), including RedCo II Master Fund, L.P., and may be deemed beneficially owned by Redmile as investment manager of such private investment vehicles. The reported securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.
4 Common Common Stock 2026-04-01 S D 162,517 $3.80 12,794,788 D — — (F4) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.70 to $3.83, inclusive. The Reporting Persons undertake to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price. (F2) These securities are directly owned by RedCo II Master Fund, L.P.
5 Common Common Stock 2026-04-02 S D 2,634,506 $3.28 12,666,731 I See Footnote — — (F5) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.25 to $3.77, inclusive. The Reporting Persons undertake to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price. (F1) These securities are directly owned by certain private investment vehicles managed by Redmile Group, LLC ("Redmile"), including RedCo II Master Fund, L.P., and may be deemed beneficially owned by Redmile as investment manager of such private investment vehicles. The reported securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.
6 Common Common Stock 2026-04-02 S D 2,529,491 $3.28 10,265,297 D — — (F5) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.25 to $3.77, inclusive. The Reporting Persons undertake to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price. (F2) These securities are directly owned by RedCo II Master Fund, L.P.