SER (SER) Insider Trading

Over the last 3 months, SER insiders made 6 open-market buys and 0 sales, a net purchase of $59K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 11 institutions increased and 9 reduced their position (13F).

Insider Activity

Sentiment
100/100
Buys (3m)
6
Sells (3m)
0
Net (3m)
$58.6K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Jan
Feb
Mar
May
Jun
Jul
ContextInstitutions mixed (13F)
DateInsiderTypeSharesPrice
Jul 9, 2026Brannan Stephen K.directorBuy1,000$2.03
Jun 22, 2026Marshall Richard PeterdirectorGrant15,250$1.98
Jun 22, 2026Bailey GregorydirectorGrant3,333,333$5.00
Jun 22, 2026Brannan Stephen K.directorGrant15,250$1.98
Jun 22, 2026WILSON KAREN JdirectorGrant15,250$1.98
Jun 22, 2026Venkatesan JaydirectorBuy589$1.78
Jun 22, 2026Venkatesan JaydirectorGrant15,250$1.98
Jun 22, 2026Bailey GregorydirectorGrant15,250$1.98
Jun 15, 2026WILSON KAREN JdirectorBuy5,100$1.75
Jun 15, 2026WILSON KAREN JdirectorBuy5,000$1.77
May 27, 2026LEDGER STEVEN Adirector, officer: Chief Executive OfficerGrant10,100$1.93
May 26, 2026Tenjarla Sriniofficer: SVP, CMC & FormulationGrant85,558$1.89
May 26, 2026WILSON KAREN JdirectorBuy10,000$1.77
May 26, 2026Moreadith Randallofficer: Chief Scientific OfficerGrant85,558$1.89
May 26, 2026CURHAN GREGORY Sofficer: Chief Financial OfficerGrant123,019$1.89
May 26, 2026LEDGER STEVEN Adirector, officer: Chief Executive OfficerGrant380,825$1.89
May 22, 2026Marshall Richard PeterdirectorBuy12,183$1.65
Apr 21, 2026Venkatesan JaydirectorGrant7,553$1.94
Apr 21, 2026Bailey GregorydirectorGrant59,667$1.94
Mar 24, 2026Moreadith Randallofficer: Chief Scientific OfficerOption6,500$0.06
Mar 24, 2026Moreadith Randallofficer: Chief Scientific OfficerSell6,500$2.86
Mar 20, 2026Moreadith Randallofficer: Chief Scientific OfficerSell39,000$2.50
Mar 20, 2026Moreadith Randallofficer: Chief Scientific OfficerOption39,000$0.06
Feb 17, 2026Moreadith Randallofficer: Chief Scientific OfficerGrant69,000$2.76
Feb 17, 2026LEDGER STEVEN Adirector, officer: Chief Executive OfficerGrant230,100$2.76
Feb 17, 2026GILL SIMBAdirectorGrant92,000$2.76
Feb 17, 2026Tenjarla Sriniofficer: SVP, CMC & FormulationGrant69,000$2.76
Feb 3, 2026Moreadith Randallofficer: Chief Scientific OfficerOption6,500$0.06
Feb 3, 2026Moreadith Randallofficer: Chief Scientific OfficerSell6,500$3.03
Jan 29, 2026Moreadith Randallofficer: Chief Scientific OfficerSell6,500$3.57

Source: SER SEC Form 4 filings, latest Jul 9, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

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

Increased
11
New positions
10
Reduced
9
Sold out
9
Largest moves
InstitutionActionSharesFiled
SIO CAPITAL MANAGEMENT, LLCNew Position1.0MMay 14, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position318KMay 15, 2026
VANGUARD GROUP INCUnchanged180KJan 29, 2026
WAVERLY ADVISORS, LLCUnchanged67KMay 15, 2026
WAVERLY ADVISORS, LLCUnchanged67KFeb 17, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased65KMay 15, 2026
BLACKROCK, INC.Increased58KMay 13, 2026
BROADWOOD CAPITAL INCReduced54KFeb 17, 2026
JANE STREET GROUP, LLCNew Position40KMay 12, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased30KFeb 9, 2026
Keel Point, LLCIncreased22KJun 1, 2026
VANGUARD FIDUCIARY TRUST CONew Position20KMay 8, 2026
LINSCOMB & WILLIAMS, INC.Unchanged19KFeb 10, 2026
AVIDIAN WEALTH SOLUTIONS, LLCNew Position19KMay 7, 2026
KEEL POINT, LLCUnchanged18KFeb 12, 2026

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