OmniAb, Inc. (OABI) Insider Trading
Over the last 3 months, OABI insiders made 0 open-market buys and 3 sales, a net sale of -$50K (SEC Form 4). Over the last 6 months, 87 institutions increased and 78 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$49.6K
Insider trades by month Buys Sells
Apr
May
Nov
Dec
Feb
Apr
Context3-month price +56.7%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 18, 2026 | Bertozzi Carolyn Rdirector | Option | 20,000 | — |
| Jun 18, 2026 | Love Stevendirector | Grant | 20,000 | — |
| Jun 18, 2026 | Bertozzi Carolyn Rdirector | Grant | 20,000 | — |
| Jun 18, 2026 | Love Stevendirector | Grant | 40,000 | $2.03 |
| Jun 18, 2026 | Love Stevendirector | Option | 20,000 | — |
| Jun 18, 2026 | HIGGINS JOHN Ldirector | Grant | 40,000 | $2.03 |
| Jun 18, 2026 | HIGGINS JOHN Ldirector | Grant | 20,000 | — |
| Jun 18, 2026 | HIGGINS JOHN Ldirector | Option | 20,000 | — |
| Jun 18, 2026 | Gotwals Philip Jdirector | Grant | 40,000 | $2.03 |
| Jun 18, 2026 | Gotwals Philip Jdirector | Grant | 20,000 | — |
| Jun 18, 2026 | Gotwals Philip Jdirector | Option | 20,000 | — |
| Jun 18, 2026 | Crouse Steven C.director | Grant | 40,000 | $2.03 |
| Jun 18, 2026 | Crouse Steven C.director | Grant | 20,000 | — |
| Jun 18, 2026 | Crouse Steven C.director | Option | 20,000 | — |
| Jun 18, 2026 | Cochran Jennifer R.director | Grant | 40,000 | $2.03 |
| Jun 18, 2026 | Cochran Jennifer R.director | Grant | 20,000 | — |
| Jun 18, 2026 | Cochran Jennifer R.director | Option | 20,000 | — |
| Jun 18, 2026 | Bertozzi Carolyn Rdirector | Grant | 40,000 | $2.03 |
| Apr 21, 2026 | Crouse Steven C.director | Option | 13,333 | — |
| Apr 21, 2026 | Gotwals Philip Jdirector | Option | 13,333 | — |
| Apr 7, 2026 | Berkman Charles Sofficer: Chief Legal Officer | Sell | 7,157 | $1.49 |
| Apr 7, 2026 | Berkman Charles Sofficer: Chief Legal Officer | Option | 13,542 | — |
| Apr 7, 2026 | GUSTAFSON KURT Aofficer: Executive VP, Finance and CFO | Sell | 6,913 | $1.49 |
| Apr 7, 2026 | GUSTAFSON KURT Aofficer: Executive VP, Finance and CFO | Option | 13,542 | — |
| Apr 7, 2026 | FOEHR MATTHEW Wdirector, officer: President and CEO | Sell | 19,244 | $1.49 |
| Apr 7, 2026 | FOEHR MATTHEW Wdirector, officer: President and CEO | Option | 36,459 | — |
| Feb 18, 2026 | GUSTAFSON KURT Aofficer: Executive VP, Finance and CFO | Grant | 60,000 | — |
| Feb 18, 2026 | FOEHR MATTHEW Wdirector, officer: President and CEO | Option | 58,333 | — |
| Feb 18, 2026 | GUSTAFSON KURT Aofficer: Executive VP, Finance and CFO | Grant | 600,000 | $1.71 |
| Feb 18, 2026 | Berkman Charles Sofficer: Chief Legal Officer | Sell | 9,673 | $1.71 |
Source: OABI SEC Form 4 filings, latest Jun 18, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their OABI positions over the last 6 months (SEC Form 13F).
Increased
87
New positions
37
Reduced
78
Sold out
42
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| WHITEFORT CAPITAL MANAGEMENT, LP | Unchanged | 14.2M | Feb 17, 2026 |
| WHITEFORT CAPITAL MANAGEMENT, LP | Unchanged | 14.2M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 8.1M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 8.1M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 8.0M | May 15, 2026 |
| VANGUARD GROUP INC | Increased | 5.6M | Jan 29, 2026 |
| CADIAN CAPITAL MANAGEMENT, LP | Increased | 4.4M | Feb 17, 2026 |
| CADIAN CAPITAL MANAGEMENT, LP | Reduced | 4.2M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.9M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.7M | Feb 9, 2026 |
| RICE HALL JAMES & ASSOCIATES, LLC | Increased | 2.5M | May 15, 2026 |
| PRIVATE MANAGEMENT GROUP INC | Increased | 2.4M | May 8, 2026 |
| PRIVATE MANAGEMENT GROUP INC | Reduced | 2.4M | Feb 12, 2026 |
| RICE HALL JAMES & ASSOCIATES, LLC | Reduced | 2.4M | Feb 17, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 2.2M | Feb 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.