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OABI Insider Trading

Insider Ownership Percentage: 8.60%
Insider Buying (Last 12 Months): $533,319.37
Insider Selling (Last 12 Months): $458,129.12

OmniAb Insider Trading History Chart

This chart shows the insider buying and selling history at OmniAb by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

OmniAb Share Price & Price History

Current Price: $1.97
Price Change: ▲ Price Increase of +0.09 (4.79%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for OABI up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

OmniAb Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/7/2025John L HigginsDirectorBuy41,038$1.38$56,632.442,929,148View SEC Filing Icon  
11/6/2025John L HigginsDirectorBuy36,223$1.41$51,074.432,888,110View SEC Filing Icon  
5/14/2025Steven LoveDirectorBuy25,000$1.46$36,500.0038,333View SEC Filing Icon  
5/12/2025John L HigginsDirectorBuy65,000$1.44$93,600.002,831,887View SEC Filing Icon  
4/7/2025Charles S BerkmanInsiderSell7,206$2.00$14,412.00363,212View SEC Filing Icon  
4/7/2025Matthew W. FoehrCEOSell19,382$2.00$38,764.003,796,236View SEC Filing Icon  
4/1/2025Kurt A GustafsonCFOSell11,963$2.37$28,352.31217,492View SEC Filing Icon  
3/20/2025John L HigginsDirectorBuy125,750$2.35$295,512.502,762,887View SEC Filing Icon  
2/19/2025Kurt A GustafsonCFOSell7,255$3.67$26,625.85206,211View SEC Filing Icon  
2/18/2025Charles S BerkmanInsiderSell8,215$3.68$30,231.20364,131View SEC Filing Icon  
2/18/2025Matthew W. FoehrCEOSell13,964$3.68$51,387.523,798,682View SEC Filing Icon  
1/21/2025Charles S BerkmanInsiderSell25,489$3.24$82,584.36343,190View SEC Filing Icon  
1/21/2025Kurt A GustafsonCFOSell15,526$3.24$50,304.24212,720View SEC Filing Icon  
1/21/2025Matthew W. FoehrCEOSell41,811$3.24$135,467.643,749,639View SEC Filing Icon  
5/24/2024Matthew W. FoehrCEOBuy240,000$4.42$1,060,800.003,536,665View SEC Filing Icon  
4/8/2024Kurt A GustafsonCFOSell6,954$5.27$36,647.58176,697View SEC Filing Icon  
4/1/2024Kurt A GustafsonCFOSell11,849$5.46$64,695.54170,110View SEC Filing Icon  
3/22/2024Matthew W. FoehrCEOBuy225,000$5.19$1,167,750.002,908,803View SEC Filing Icon  
11/10/2023Matthew W. FoehrCEOBuy95,000$4.27$405,650.002,427,919View SEC Filing Icon  
8/14/2023Matthew W. FoehrCEOBuy45,000$5.48$246,600.002,332,919View SEC Filing Icon  
6/9/2023Matthew W. FoehrCEOBuy115,000$4.52$519,800.002,574,009View SEC Filing Icon  
5/23/2023John L HigginsDirectorSell9,000$4.05$36,450.002,462,686View SEC Filing Icon  
5/18/2023John L HigginsDirectorSell50,000$3.89$194,500.002,462,686View SEC Filing Icon  
12/12/2022Matthew W. FoehrCEOBuy150,000$3.77$565,500.001,838,084View SEC Filing Icon  
12/6/2022Jennifer R CochranDirectorBuy22,250$3.75$83,437.5077,476View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for OmniAb (NASDAQ:OABI)

72.08% of OmniAb stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at OABI by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

OmniAb Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Jacobs Levy Equity Management Inc.1,006,256$1.61M0.0%-9.0%0.699%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP2,857,142$4.57M0.0%N/A1.985%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC285,801$0.46M0.0%-56.1%0.199%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.43,448$70K0.0%-21.9%0.030%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE48,030$77K0.0%-32.4%0.033%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.232,787$0.37M0.0%-16.8%0.162%Search for SEC Filing on Google Icon
11/14/2025ADAR1 Capital Management LLC1,090,628$1.75M0.2%+234.4%0.758%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP291,735$0.47M0.0%+25.9%0.203%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC153,900$0.25M0.0%+185.5%0.107%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC35,431$57K0.0%+114.2%0.025%Search for SEC Filing on Google Icon
11/14/2025Private Management Group Inc.2,518,279$4.03M0.1%-1.6%1.749%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.81,045$0.13M0.0%+32.6%0.056%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets21,721$35K0.0%+92.5%0.015%Search for SEC Filing on Google Icon
11/12/2025Arbiter Partners Capital Management LLC160,529$0.26M0.2%N/A0.112%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP2,548,284$4.08M0.0%-12.5%1.770%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC50,565$81K0.0%-13.2%0.035%Search for SEC Filing on Google Icon
11/10/2025Cornerstone Capital Inc.109,211$0.18M0.0%-33.3%0.076%Search for SEC Filing on Google Icon
11/10/2025Isthmus Partners LLC669,071$1.07M0.2%+17.8%0.465%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP262,371$0.42M0.0%+902.4%0.182%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.5,148,061$8.24M0.0%-2.3%3.576%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.762,912$1.22M0.0%-3.9%0.530%Search for SEC Filing on Google Icon
10/16/2025Rice Hall James & Associates LLC2,412,038$3.86M0.2%-8.2%1.675%Search for SEC Filing on Google Icon
10/9/2025Voya Investment Management LLC19,496$31K0.0%-36.2%0.014%Search for SEC Filing on Google Icon
10/7/2025Woodstock Corp351,753$0.56M0.0%-43.4%0.244%Search for SEC Filing on Google Icon
9/26/2025Corient Private Wealth LLC30,253$53K0.0%N/A0.021%Search for SEC Filing on Google Icon
9/4/2025Osaic Holdings Inc.14,247$25K0.0%+214.4%0.012%Search for SEC Filing on Google Icon
8/15/2025Corient Private Wealth LLC30,253$53K0.0%N/A0.025%Search for SEC Filing on Google Icon
8/15/2025Boothbay Fund Management LLC188,554$0.33M0.0%-50.1%0.154%Search for SEC Filing on Google Icon
8/15/2025Bridgeway Capital Management LLC53,900$94K0.0%N/A0.044%Search for SEC Filing on Google Icon
8/15/2025Brevan Howard Capital Management LP53,779$94K0.0%N/A0.044%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE71,031$0.12M0.0%-86.9%0.058%Search for SEC Filing on Google Icon
8/15/2025Ameriprise Financial Inc.279,789$0.49M0.0%+854.6%0.229%Search for SEC Filing on Google Icon
8/14/2025Kent Lake PR LLC1,750,000$3.05M1.4%+677.8%1.433%Search for SEC Filing on Google Icon
8/14/2025Jane Street Group LLC153,736$0.27M0.0%+90.3%0.126%Search for SEC Filing on Google Icon
8/14/2025Murchinson Ltd.502,810$0.88M0.3%-50.1%0.412%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 44,809$78K0.0%+20.5%0.037%Search for SEC Filing on Google Icon
8/14/2025Sei Investments Co.61,126$0.11M0.0%+166.5%0.050%Search for SEC Filing on Google Icon
8/14/2025Cerity Partners LLC22,612$39K0.0%+111.5%0.019%Search for SEC Filing on Google Icon
8/13/2025Marshall Wace LLP359,665$0.63M0.0%N/A0.294%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.109,613$0.19M0.0%+17.0%0.090%Search for SEC Filing on Google Icon
8/13/2025Isthmus Partners LLC568,043$0.99M0.1%+21.2%0.465%Search for SEC Filing on Google Icon
8/12/2025Cornerstone Capital Inc.163,762$0.29M0.0%-4.8%0.134%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd137,171$0.24M0.0%+156.5%0.112%Search for SEC Filing on Google Icon
8/12/2025Private Management Group Inc.2,558,045$4.45M0.1%+1.1%2.094%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers160,728$0.28M0.0%+6.0%0.132%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.793,734$1.38M0.0%+28.3%0.650%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC58,224$0.10M0.0%-43.2%0.048%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC2,439,424$4.25M0.0%-0.9%1.997%Search for SEC Filing on Google Icon
8/6/2025Towerview LLC831,100$1.45M1.0%+43.3%0.680%Search for SEC Filing on Google Icon
7/30/2025Connors Investor Services Inc.62,000$0.11M0.0%+25.0%0.051%Search for SEC Filing on Google Icon
7/25/2025Vanguard Personalized Indexing Management LLC45,165$79K0.0%N/A0.037%Search for SEC Filing on Google Icon
7/15/2025Public Employees Retirement System of Ohio96,361$0.17M0.0%N/A0.079%Search for SEC Filing on Google Icon
7/9/2025Woodstock Corp621,684$1.08M0.1%-16.3%0.509%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.243,669$0.59M0.0%-55.6%0.199%Search for SEC Filing on Google Icon
5/19/2025Jane Street Group LLC80,778$0.19M0.0%+26.3%0.066%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.243,669$0.59M0.0%-55.6%0.200%Search for SEC Filing on Google Icon
5/16/2025Murchinson Ltd.1,007,810$2.42M0.1%+0.8%0.825%Search for SEC Filing on Google Icon
5/16/2025AQR Capital Management LLC10,271$25K0.0%N/A0.008%Search for SEC Filing on Google Icon
5/16/2025ADAR1 Capital Management LLC126,108$0.30M0.1%-54.7%0.103%Search for SEC Filing on Google Icon
5/15/2025PDT Partners LLC14,709$35K0.0%-73.8%0.012%Search for SEC Filing on Google Icon
5/15/2025First Sabrepoint Capital Management LP410,000$0.98M0.4%-71.9%0.336%Search for SEC Filing on Google Icon
5/14/2025MetLife Investment Management LLC36,627$88K0.0%-24.4%0.030%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.181,408$0.44M0.0%+15.4%0.149%Search for SEC Filing on Google Icon
5/12/2025Knott David M Jr982,336$2.36M1.1%-10.2%0.804%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC227,801$0.55M0.0%N/A0.187%Search for SEC Filing on Google Icon
5/9/2025Deutsche Bank AG432,859$1.04M0.0%-30.9%0.354%Search for SEC Filing on Google Icon
5/9/2025Charles Schwab Investment Management Inc.810,978$1.95M0.0%-1.1%0.664%Search for SEC Filing on Google Icon
5/9/2025PNC Financial Services Group Inc.16,276$39K0.0%+279.4%0.013%Search for SEC Filing on Google Icon
5/7/2025Private Management Group Inc.2,529,759$6.07M0.2%+13.3%2.071%Search for SEC Filing on Google Icon
5/6/2025Towerview LLC580,000$1.39M1.0%+5.5%0.475%Search for SEC Filing on Google Icon
5/6/2025Royce & Associates LP817,080$1.96M0.0%+15.6%0.669%Search for SEC Filing on Google Icon
5/6/2025Universal Beteiligungs und Servicegesellschaft mbH108,111$0.26M0.0%N/A0.089%Search for SEC Filing on Google Icon
5/1/2025Rice Hall James & Associates LLC2,580,780$6.19M0.4%-2.6%2.113%Search for SEC Filing on Google Icon
5/1/2025Isthmus Partners LLC468,707$1.13M0.1%+3.4%0.384%Search for SEC Filing on Google Icon
4/30/2025Cerity Partners LLC10,693$26K0.0%N/A0.009%Search for SEC Filing on Google Icon
4/24/2025Villere ST Denis J & Co. LLC1,437,944$3.45M0.3%-1.9%1.177%Search for SEC Filing on Google Icon
4/17/2025Chicago Capital LLC2,620,454$6.29M0.2%-11.9%2.146%Search for SEC Filing on Google Icon
4/9/2025Woodstock Corp742,700$1.78M0.2%-7.5%0.608%Search for SEC Filing on Google Icon
3/18/2025California State Teachers Retirement System77,953$0.28M0.0%-6.8%0.055%Search for SEC Filing on Google Icon
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC124,021$0.44M0.0%-3.3%0.088%Search for SEC Filing on Google Icon
2/17/2025Squarepoint Ops LLC39,264$0.14M0.0%+33.3%0.028%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Investments LP10,292$36K0.0%-32.3%0.007%Search for SEC Filing on Google Icon
2/17/2025Sherbrooke Park Advisers LLC17,226$61K0.0%+53.5%0.012%Search for SEC Filing on Google Icon
2/17/2025ProShare Advisors LLC31,724$0.11M0.0%+29.9%0.022%Search for SEC Filing on Google Icon
2/17/2025Northeast Financial Consultants Inc110,996$0.39M0.0%N/A0.079%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC186,745$0.66M0.0%+49.7%0.132%Search for SEC Filing on Google Icon
2/17/2025Janus Henderson Group PLC7,960,321$28.18M0.0%+1.1%5.637%Search for SEC Filing on Google Icon
2/17/2025First Sabrepoint Capital Management LP1,460,602$5.17M1.4%-12.3%1.034%Search for SEC Filing on Google Icon
2/17/2025Deutsche Bank AG626,106$2.22M0.0%+5.3%0.443%Search for SEC Filing on Google Icon
2/17/2025Balyasny Asset Management L.P.51,159$0.18M0.0%N/A0.036%Search for SEC Filing on Google Icon
2/17/2025Bank of America Corp DE616,359$2.18M0.0%-14.7%0.436%Search for SEC Filing on Google Icon
2/17/2025BNP Paribas Financial Markets17,549$62K0.0%N/A0.012%Search for SEC Filing on Google Icon
2/14/2025Jane Street Group LLC63,955$0.23M0.0%-53.1%0.045%Search for SEC Filing on Google Icon
2/14/2025Connors Investor Services Inc.29,611$0.11M0.0%+18.4%0.021%Search for SEC Filing on Google Icon
2/14/2025PDT Partners LLC56,247$0.20M0.0%+93.9%0.040%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp882,455$3.12M0.0%+5.4%0.625%Search for SEC Filing on Google Icon
2/14/2025Price T Rowe Associates Inc. MD38,217$0.14M0.0%+26.3%0.027%Search for SEC Filing on Google Icon
2/14/2025Hsbc Holdings PLC10,735$38K0.0%N/A0.008%Search for SEC Filing on Google Icon
2/14/2025MetLife Investment Management LLC48,425$0.17M0.0%-13.0%0.034%Search for SEC Filing on Google Icon
2/14/2025Dimensional Fund Advisors LP3,025,674$10.71M0.0%+4.9%2.143%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
OmniAb logo
OmniAb, Inc., a biotechnology company, engages in the discovery and provision of therapeutic antibody discovery technologies in the United States. The company's technology platform creates and screens diverse antibody repertoires and identify optimal antibodies for partners' drug development efforts. Its OmniAb platform is the biological intelligence of proprietary transgenic animals, including OmniRat, OmniChicken, and OmniMouse that have been genetically modified to generate antibodies with human sequences to facilitate development of human therapeutic candidates. The company's OmniFlic, a bispecific rat, and OmniClic, a bispecific chicken, designed for discovery of bispecific antibody applications; OmniTaur, which provides unique structural characteristics of cow antibodies for complex targets; and OmniDeep, a suite of in silico, an AI and machine learning tools for therapeutic discovery and optimization through various technologies and capabilities. OmniAb, Inc. was founded in 2012 and is headquartered in Emeryville, California.
Read More on OmniAb

Today's Range

Now: $1.97
Low: $1.86
High: $1.98

50 Day Range

MA: $1.64
Low: $1.38
High: $1.97

52 Week Range

Now: $1.97
Low: $1.22
High: $4.17

Volume

454,821 shs

Average Volume

503,386 shs

Market Capitalization

$283.60 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.13

Who are the company insiders with the largest holdings of OmniAb?

OmniAb's top insider investors include:
  1. Matthew W Foehr (CEO)
  2. John L Higgins (Director)
  3. Charles S Berkman (Insider)
  4. Kurt A Gustafson (CFO)
  5. Steven Love (Director)
Learn More about top insider investors at OmniAb.

Who are the major institutional investors of OmniAb?

OmniAb's top institutional investors include:
  1. Vanguard Group Inc. — 3.58%
  2. Woodline Partners LP — 1.98%
  3. Dimensional Fund Advisors LP — 1.77%
  4. Private Management Group Inc. — 1.75%
  5. Rice Hall James & Associates LLC — 1.68%
  6. ADAR1 Capital Management LLC — 0.76%
Learn More about top institutional investors of OmniAb stock.

Which major investors are selling OmniAb stock?

Within the previous quarter, OABI stock was sold by these institutional investors:
  1. Dimensional Fund Advisors LP
  2. Millennium Management LLC
  3. Woodstock Corp
  4. Rice Hall James & Associates LLC
  5. Vanguard Group Inc.
  6. Jacobs Levy Equity Management Inc.
  7. Cornerstone Capital Inc.
  8. Ameriprise Financial Inc.
Within the last year, company insiders that have sold OmniAb company stock include:
  1. Matthew W Foehr (CEO)
  2. John L Higgins (Director)
  3. Charles S Berkman (Insider)
Learn More investors selling OmniAb stock.

Which major investors are buying OmniAb stock?

Within the last quarter, OABI stock was bought by institutional investors including:
  1. Woodline Partners LP
  2. ADAR1 Capital Management LLC
  3. GSA Capital Partners LLP
  4. Arbiter Partners Capital Management LLC
  5. Isthmus Partners LLC
  6. Bridgeway Capital Management LLC
  7. Two Sigma Investments LP
  8. Sei Investments Co.
Within the previous year, these company insiders have bought OmniAb stock:
  1. Matthew W Foehr (CEO)
  2. John L Higgins (Director)
  3. Charles S Berkman (Insider)
Learn More investors buying OmniAb stock.