OmniAb, Inc. (OABI)
Nasdaq: OABI · Services-Commercial Physical & Biological Research · Emeryville, CA · filing with the SEC since 2021
Who owns OmniAb, Inc.
As filed with the SECHolders of 5% or more
2
Robert Goldstein holds 8.5% of Common Stock, par value $0.0001 per share, as its SCHEDULE 13G/A filed Feb 10, 2026 says.
Directors and officers
10
report now, of 30 people on the record since 2021. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Robert Goldstein
SCHEDULE 13G/A · filed Feb 10, 2026 · Common Stock, par value $0.0001 per share · 7% in Aug 27, 2025
Whitefort Capital Management, LP
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value per share · 9.9% in Nov 14, 2025
Janus Henderson Group PLC
SCHEDULE 13G/A · filed Aug 14, 2025 · Common Stock · reported falling below 5%, from 6.6% in May 14, 2025
What OABI reports owning in othersstakes of 5% or more, and other ties
OmniAb, Inc. reports no stake in another company in the record.
Insider tradesForm 4
12sales
2purchases
0sales on a scheduled plan
3people selling
$300,000sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Nov 2, 2025 to Nov 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 31 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Foehr Matthew W | President and CEO | 4 | $100,000 | 0 | 0 | $0 |
| Gustafson Kurt A | Executive VP, Finance and CFO | 4 | $100,000 | 0 | 0 | $0 |
| Berkman Charles S | Chief Legal Officer | 4 | $100,000 | 0 | 0 | $0 |
| Higgins John L | director | 0 | $0 | 0 | 2 | $100,000 |