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SC Filed 2021-06-21 Event — SEC 0001214659-21-006726 →

TANG CAPITAL PARTNERS LP Aptevo Therapeutics Inc. APVO

Stake: Shares:

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)
13 transactions
0 buys · 0 sales · 11 awards/exercises
Issuer Cluster
6 13D/G filings on this issuer
5 other filings besides this one
Filer Track Record
19 filings by this filer
18 other filings in the data moat
Short Interest · settle 2026-08-31
DTC 1.93
118,188 shares short · +44.6% vs prior

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-08-06 Harsanyi Zsolt director Option exercise 400
2026-08-06 Lamothe Jeffrey G. director, officer Option exercise 961
2026-08-06 Taylor Daphne officer Option exercise 638
2026-08-06 Kwon SoYoung officer Option exercise 638
2026-08-06 Huebner Dirk officer Option exercise 638
2026-08-06 Huebner Dirk officer F 156 $4.07 $635
2026-08-06 Grant Grady III director Option exercise 400
2026-08-06 White Marvin L director, officer Option exercise 1,666
2026-08-06 White Marvin L director, officer F 406 $4.07 $2K
2026-08-06 Abdun-Nabi Daniel director Option exercise 400
2026-08-06 Kunz Barbara Lopez director Option exercise 400
2026-08-06 Niederhuber John director Option exercise 400
2026-07-17 White Marvin L director, officer Option exercise 1

Other 13D/G Filings on Aptevo Therapeutics Inc.

FiledFormFilerStakeShares
2026-06-22 SCHEDULE 13G NIOWAVE, INC. view →
2021-11-26 SC TANG CAPITAL PARTNERS LP view →
2021-11-22 SC TANG CAPITAL PARTNERS LP view →
2021-02-09 SC TANG CAPITAL PARTNERS LP view →
2020-11-18 SC TANG CAPITAL PARTNERS LP view →

Other Filings by TANG CAPITAL PARTNERS LP

FiledFormIssuerStakeShares
2024-01-12 SC Theseus Pharmaceuticals, Inc. view →
2024-01-02 SC ASLAN Pharmaceuticals Ltd view →
2023-12-28 SC Theseus Pharmaceuticals, Inc. view →
2023-10-13 SC Rain Oncology Inc. view →
2023-03-17 SC Jounce Therapeutics, Inc. view →
2022-07-12 SC LA JOLLA PHARMACEUTICAL CO view →
2021-11-26 SC Aptevo Therapeutics Inc. APVO view →
2021-11-22 SC Aptevo Therapeutics Inc. APVO view →
2021-11-19 SC Odonate Therapeutics, Inc. view →
2021-05-27 SC LA JOLLA PHARMACEUTICAL CO view →
2021-02-09 SC Aptevo Therapeutics Inc. APVO view →
2020-11-18 SC Aptevo Therapeutics Inc. APVO view →
2020-09-11 SC LA JOLLA PHARMACEUTICAL CO view →
2020-09-01 SC Odonate Therapeutics, Inc. view →
2020-06-05 SC LA JOLLA PHARMACEUTICAL CO view →
2019-03-12 SC Odonate Therapeutics, Inc. view →
2019-01-14 SC LA JOLLA PHARMACEUTICAL CO view →
2018-03-20 SC LA JOLLA PHARMACEUTICAL CO view →

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