Outlook Therapeutics, Inc. (OTLK) Insider Trading

Over the last 3 months, OTLK insiders made 8 open-market buys and 0 sales, a net purchase of $12.3M (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 40 institutions increased and 15 reduced their position (13F).

Insider Activity

Sentiment
100/100
Buys (3m)
8
Sells (3m)
0
Net (3m)
$12.3M
Insiders buyingCluster buying
Insider trades by month Buys Sells
Apr
Mar
Apr
Sep
May
Jun
Context3-month price +84.7%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 3, 2026Haddadin Yezan MuntherdirectorBuy29,000$0.83
Jun 1, 2026Sukhtian Ghiath M.director, 10 percent owner: Buy8,539,709$0.59
Jun 1, 2026Sukhtian Ghiath M.director, 10 percent owner: Buy8,571,428$0.59
Jun 1, 2026Sukhtian Ghiath M.director, 10 percent owner: Buy3,458,571$0.59
May 27, 2026THURMAN RANDY HdirectorBuy5,000$0.43
May 27, 2026HILZINGER KURT JdirectorBuy400,000$0.44
May 27, 2026Haddadin Yezan MuntherdirectorBuy34,000$0.44
May 27, 2026Sukhtian Faisal GhiathdirectorBuy122,174$0.41
Oct 3, 2025Sukhtian Faisal GhiathdirectorGrant286,734$1.04
Oct 3, 2025Huang AndongdirectorGrant286,734$1.04
Oct 3, 2025Auffarth GerddirectorGrant58,648$1.06
Oct 3, 2025THURMAN RANDY HdirectorGrant286,734$1.04
Oct 3, 2025Haddadin Yezan MuntherdirectorGrant95,969$1.06
Oct 3, 2025Sukhtian Faisal GhiathdirectorGrant117,296$1.06
Oct 3, 2025Huang AndongdirectorGrant53,316$1.06
Oct 3, 2025Auffarth GerddirectorGrant286,734$1.04
Oct 3, 2025Haller Julia AdirectorGrant286,734$1.04
Oct 3, 2025Haller Julia AdirectorGrant58,648$1.06
Oct 3, 2025HILZINGER KURT JdirectorGrant286,734$1.04
Oct 3, 2025HILZINGER KURT JdirectorGrant90,638$1.06
Oct 3, 2025Gangolli Julian SdirectorGrant286,734$1.04
Oct 3, 2025Haddadin Yezan MuntherdirectorGrant286,734$1.04
Jul 9, 2025Jahr Robert Charlesofficer: Chief Executive OfficerGrant800,000$1.58
May 28, 2025Sukhtian Ghiath M.director, 10 percent owner: Grant4,285,714$1.40
May 28, 2025Sukhtian Ghiath M.director, 10 percent owner: Grant8,571,428$1.40
Mar 12, 2025Sukhtian Ghiath M.director, 10 percent owner: Option3,458,571$2.51
Feb 6, 2025Sukhtian Faisal GhiathdirectorGrant12,323$1.82
Jan 22, 2025Sukhtian Ghiath M.director, 10 percent owner: Option3,458,571$2.51
Jan 22, 2025Sukhtian Ghiath M.director, 10 percent owner: Grant3,458,571$2.51
Oct 3, 2024Auffarth GerddirectorGrant56,636$5.22

Source: OTLK SEC Form 4 filings, latest Jun 3, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their OTLK positions over the last 6 months (SEC Form 13F).

Increased
40
New positions
28
Reduced
15
Sold out
25
Largest moves
InstitutionActionSharesFiled
ARMISTICE CAPITAL, LLCNew Position4.2MMay 15, 2026
SCHONFELD STRATEGIC ADVISORS LLCIncreased2.4MFeb 17, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position2.0MMay 15, 2026
VANGUARD GROUP INCIncreased1.5MJan 29, 2026
SIO CAPITAL MANAGEMENT, LLCNew Position1.1MFeb 17, 2026
CITADEL ADVISORS LLCIncreased918KFeb 17, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased604KMay 15, 2026
GILPIN WEALTH MANAGEMENT, LLCIncreased600KApr 21, 2026
BLACKROCK, INC.Increased477KMay 13, 2026
COMMONWEALTH EQUITY SERVICES, LLCIncreased470KApr 27, 2026
BLACKROCK, INC.Increased405KFeb 12, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPNew Position368KFeb 17, 2026
GILPIN WEALTH MANAGEMENT, LLCNew Position354KFeb 11, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased316KFeb 9, 2026
MARSHALL WACE, LLPIncreased298KFeb 13, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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