OABI

NASDAQ

OmniAb

$3.08
+0.84 (+37.50%)
Institutional
51.0%
Insider
15.33%
Retail/Other
33.7%
Shares Outstanding
145.0M

Top Institutional Holders

As of Aug 2026
Holder Shares % Change
Whitefort Capital Management, LP. 14.2M 9.8% -
BlackRock Inc 8.1M 5.6% +0.0M
Vanguard Group Inc 5.6M 3.9% +0.5M
Cadian Capital Management LP 4.2M 2.9% -0.3M
Vanguard Capital Management, LLC 4.0M 2.8% +4.0M
Geode Capital Management, LLC 2.9M 2.0% +0.2M
Rice Hall James & Associates, LLC 2.5M 1.8% +0.1M
Private Management Group Inc 2.4M 1.7% +0.0M
State Street Corp 2.1M 1.4% +0.0M
Kent Lake PR LLC 1.8M 1.2% +1.5M

Insider Transactions

Last 24 months (6 insiders)
Matthew W Foehr President and CEO
4,420,492 shares
4.4M3.7M4.1MDec 2024Apr 2026
Sales (9)
Shares Price Value Date Remaining
19,244 $1.49 $28,674 2026-04-07 4,420,492
30,843 $1.71 $52,742 2026-02-18 4,403,277
20,754 $1.70 $35,282 2026-02-17 4,375,787
13,666 $1.96 $26,785 2025-12-08 4,360,083
19,382 $2.00 $38,764 2025-04-07 3,796,236
19,522 $3.67 $71,646 2025-02-19 3,779,160
13,964 $3.68 $51,388 2025-02-18 3,798,682
41,811 $3.24 $135,468 2025-01-21 3,749,639
13,634 $4.13 $56,308 2024-12-09 3,714,447
Awards (2)
Shares Price Value Date Remaining
540,540 $1.85 $999,999 2025-08-26 4,341,987
77,003 - - 2025-01-17 3,791,450
John L Higgins Director
2,962,320 shares
2.9M2.6M2.8MMar 2025Nov 2025
Buys (5)
Shares Price Value Date Remaining
41,038 $1.38 $56,632 2025-11-07 2,929,148
36,223 $1.41 $51,074 2025-11-06 2,888,110
65,000 $1.44 $93,600 2025-05-12 2,831,887
4,000 $2.28 $9,120 2025-03-21 2,766,887
125,750 $2.35 $295,512 2025-03-20 2,762,887
Charles S Berkman Chief Legal Officer
399,085 shares
399K323K361KDec 2024Apr 2026
Sales (9)
Shares Price Value Date Remaining
7,157 $1.49 $10,664 2026-04-07 399,085
9,673 $1.71 $16,541 2026-02-18 392,700
6,990 $1.70 $11,883 2026-02-17 383,623
8,044 $1.96 $15,766 2025-12-08 377,071
7,206 $2.00 $14,412 2025-04-07 363,212
7,255 $3.67 $26,626 2025-02-19 356,876
8,215 $3.68 $30,231 2025-02-18 364,131
25,489 $3.24 $82,584 2025-01-21 343,190
8,022 $4.13 $33,131 2024-12-09 323,385
Awards (1)
Shares Price Value Date Remaining
45,294 - - 2025-01-17 368,679
Kurt A Gustafson Executive VP, Finance and CFO
261,483 shares
269K201K235KDec 2024Apr 2026
Sales (9)
Shares Price Value Date Remaining
6,913 $1.49 $10,300 2026-04-07 261,483
9,301 $1.71 $15,905 2026-02-18 268,851
6,828 $1.70 $11,608 2026-02-17 259,402
23,922 $1.96 $46,887 2025-12-08 252,688
7,206 $2.00 $14,412 2025-04-07 223,828
11,963 $2.37 $28,352 2025-04-01 217,492
7,255 $3.67 $26,626 2025-02-19 206,211
15,526 $3.24 $50,304 2025-01-21 212,720
23,871 $4.13 $98,587 2024-12-09 200,661
Awards (1)
Shares Price Value Date Remaining
27,585 - - 2025-01-17 228,246
Jennifer R. Cochran Director
185,274 shares
145K115K130KMay 2025May 2025
Buys (1)
Shares Price Value Date Remaining
30,000 $1.52 $45,600 2025-05-15 145,274
Steven Love Director
91,666 shares
38K13K26KMay 2025May 2025
Buys (1)
Shares Price Value Date Remaining
25,000 $1.46 $36,500 2025-05-14 38,333

Insider Activity Summary

Last 24 months
Total Bought
327,011 shares
$588,039
Total Sold
393,656 shares
$1,041,875
Net Shares
-66,645
Net Value
$-453,836
Activity by Insider
Name Bought Sold Net Shares Net Value
John L Higgins
Director
+272,011 - +272,011 $+505,939
Matthew W Foehr
President and CEO
- -192,820 -192,820 $-497,056
Kurt A Gustafson
Executive VP, Finance and CFO
- -112,785 -112,785 $-302,981
Charles S Berkman
Chief Legal Officer
- -88,051 -88,051 $-241,838
Jennifer R. Cochran
Director
+30,000 - +30,000 $+45,600
Steven Love
Director
+25,000 - +25,000 $+36,500
Net insider selling: 66,645 shares ($453,836) in last 12 months

Congressional Trading

STOCK Act Disclosures

No congressional trading data available for this ticker.

Congressional trading data is sourced from STOCK Act disclosures and may not be available for all tickers.

Based on public disclosures. Reporting errors by representatives are common. Disclosure deadlines are 45 days after transaction.