ISTHMUS PARTNERS, LLC

Holdings History for OmniAb, Inc. - Common Stock, par value $0.0001 per share (OABI)

Symbol: OABI on Nasdaq
Investment type: Equity / Common Stock, par value $0.0001 per share

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.15%	+0.01%	$1,334,422	721,309	+52,238	+7.8%	$1.85	Q4 2025
30 Sep 2025	0.24%	+0.04%	$1,070,514	669,071	+101,028	+18%	$1.60	Q3 2025
30 Jun 2025	0.12%	+0.02%	$988,395	568,043	+99,336	+21%	$1.74	Q2 2025
31 Mar 2025	0.14%	+0%	$1,124,897	468,707	+15,572		$2.40	Q1 2025
31 Dec 2024	0.19%	+0%	$1,604,098	453,135	+7,001	+1.6%	$3.54	Q4 2024
30 Sep 2024	0.22%	-0.04%	$1,887,147	446,134	-82,251	-16%	$4.23	Q3 2024
30 Jun 2024	0.23%	+0.06%	$1,981,444	528,385	+143,387	+37%	$3.75	Q2 2024
31 Mar 2024	0.24%	+0.05%	$2,086,689	384,998	+74,224	+24%	$5.42	Q1 2024
31 Dec 2023	0.25%	+0.04%	$1,917,476	310,774	+48,138	+18%	$6.17	Q4 2023
30 Sep 2023	0.2%	+0%	$1,363,081	262,636	+3,615	+1.4%	$5.19	Q3 2023
30 Jun 2023	0.18%	-0%	$1,302,876	259,021	-1,223	-0.47%	$5.03	Q2 2023
31 Mar 2023	0.14%	+0.04%	$957,698	260,244	+68,171	+35%	$3.68	Q1 2023
31 Dec 2022	0.1%	+0.1%	$691,463	192,073	+192,073	NEW	$3.60	Q4 2022

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.