Baker Bros. Advisors Lp - May 1, 2023 Form 4 Insider Report for Seagen Inc. (SGEN)

Signature
By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing
Stock symbol
SGEN
Transactions as of
May 1, 2023
Transactions value $
$642,250
Form type
4
Date filed
5/3/2023, 04:04 PM
Previous filing
Apr 6, 2023
Next filing
May 5, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SGEN Common Stock Options Exercise $321K +8.75K +0.21% $36.70 4.1M May 1, 2023 See footnotes F1, F2, F3, F4, F5, F6, F7, F8
transaction SGEN Common Stock Options Exercise $321K +8.75K +0.02% $36.70 43M May 1, 2023 See footnotes F1, F2, F3, F5, F6, F7, F8, F9
transaction SGEN Common Stock Other $0 -2.37M -57.8% $0.00 1.73M May 1, 2023 See footnotes F2, F3, F4, F6, F7, F8, F10
transaction SGEN Common Stock Other $0 +209K +898.52% $0.00 232K May 1, 2023 Direct F11
transaction SGEN Common Stock Other $0 +209K +898.63% $0.00 232K May 1, 2023 Direct F12
transaction SGEN Common Stock Gift $0 -209K -89.99% $0.00 23.3K May 2, 2023 Direct F13
transaction SGEN Common Stock Gift $0 -209K -89.99% $0.00 23.3K May 2, 2023 Direct F14

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SGEN Non-Qualified Stock Option (right to buy) Options Exercise $0 -8.75K -100% $0.00* 0 May 1, 2023 Common Stock 8.75K $36.70 See footnotes F1, F2, F4, F5, F6, F7, F8
transaction SGEN Non-Qualified Stock Option (right to buy) Options Exercise $0 -8.75K -100% $0.00* 0 May 1, 2023 Common Stock 8.75K $36.70 See footnotes F1, F2, F5, F6, F7, F8, F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Common Stock ("Common Stock") of Seagen Inc. (the "Issuer") acquired upon exercise of 8,750 non-qualified stock options exercisable into Common Stock on a 1-for-1 basis ("Stock Options") that were issued to Felix J. Baker in his capacity as a director of the Issuer. Felix J. Baker, pursuant to the policies of Baker Bros. Advisors LP (the "Adviser"), does not have any right to the pecuniary interest in the Stock Options issued for his service on the board of directors of the Issuer (the "Board") or the Common Stock acquired upon exercise of such Stock Options. Each of 667, L.P. ("667") and Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") owns an indirect proportionate pecuniary interest in the Common Stock acquired upon exercise of the Stock Options issued in connection with Felix J. Baker's service on the Board less the exercise cost of those Stock Options.
F2 Pursuant to the policies of the Adviser, Felix J. Baker does not have a right to any of the Issuer's securities issued in lieu of director retainer fees and the Funds are entitled to an indirect proportionate pecuniary interest in the securities. The Funds each own an indirect proportionate pecuniary interest in the shares of Common Stock. Solely as a result of their ownership interest in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the shares of Common Stock issued in lieu of director retainer fees, Stock Options, Common Stock issued upon exercise of Stock Options, restricted stock units (each an "RSU") payable solely in Common Stock and Common Stock received upon vesting of RSUs (i.e. no direct pecuniary interest).
F3 Includes beneficial ownership of 29,003 previously issued RSUs payable solely in Common Stock issued to Felix Baker in his capacity as a director of the Issuer pursuant to the Amended and Restated 2007 Equity Incentive Plan of which the Funds may be deemed to own a portion and 112,500 previously issued shares from exercise of 112,500 Stock Options of the Issuer that were issued to Felix J. Baker in his capacity as a director of the Issuer, of which the Funds may be deemed to own a portion. The policy of the Funds and the Adviser does not permit full-time employees of the Adviser or managing members of the Adviser GP to receive compensation for serving as a director of the Issuer.
F4 After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Biotech Capital, L.P. and (ii) 667, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I directly held by 667, a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to their interest in 667 and Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667.
F5 The disclosure of the exercise of Stock Options for Common Stock reported on this form is a single exercise of 8,750 Stock Options. The exercise of 8,750 Stock Options is reported for each of the Funds as each has an indirect pecuniary interest in such securities.
F6 The Adviser serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.
F7 Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.
F8 Pursuant to agreements between Felix J. Baker and the Adviser, the Adviser has voting and dispositive power over the Stock Options, RSUs and any Common Stock received as a result of the exercise of Stock Options or vesting of RSUs.
F9 After giving effect to the transaction reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital, L.P. and (ii) Life Sciences, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I directly held by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.
F10 Represents shares of Common Stock distributed by 667 as part of an in-kind pro rata distribution without consideration in accordance with pecuniary interest to Julian C. Baker, Felix J. Baker and other investors in 667.
F11 Common Stock held directly by Felix J. Baker, including 209,175 shares of Common Stock received from the in-kind pro rata distribution by 667 without consideration reported above.
F12 Common Stock held directly by Julian C. Baker, including 209,175 shares of Common Stock received from the in-kind pro rata distribution by 667 without consideration reported above.
F13 Reflects shares of Common Stock of the Issuer held directly by Felix J. Baker.
F14 Reflects Common Stock held directly by Julian C. Baker.

Remarks:

Felix J. Baker is a director of Seagen Inc. (the "Issuer"). By virtue of their representation on the Board of Directors of the Issuer, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the reporting persons other than Felix J. Baker are deemed directors by deputization of the Issuer.