LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
ALECCIK 0001653087

Alector, Inc.

81 transactions by 11 insiders, from November 10, 2025 to October 14, 2026.

Transactions
8111 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$1.0Mopen market
Net
−$1.0Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Grace Wong-SaradOfficer294/29—$99K
Arnon RosenthalCEO27——$656K
Neil Lindsay BerkleyCFO9——$221K
Richard H. SchellerDir3———
Paula HammondDir2———
Elizabeth A. GarofaloDir2———
Kristine YaffeDir2———
Louis J. Lavigne Jr.Dir2———
Mark AltmeyerDir2———
Errol B. DesouzaDir2———
Sara Kenkare-MitraPres1——$47K

All transactions

81 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Arnon RosenthalCEODERIVOct 14A978,750$0.00—?
Arnon RosenthalCEODERIVOct 13A132,500——
Arnon RosenthalCEODERIVOct 13D132,500——
Arnon RosenthalCEODERIVOct 13A119,446——
Arnon RosenthalCEODERIVOct 13D119,446——
Arnon RosenthalCEODERIVOct 13A417,213——
Arnon RosenthalCEODERIVOct 13D417,213——
Arnon RosenthalCEODERIVOct 13A457,038——
Arnon RosenthalCEODERIVOct 13D457,038——
Arnon RosenthalCEODERIVOct 13A520,000——
Arnon RosenthalCEODERIVOct 13D520,000——
Arnon RosenthalCEODERIVOct 13A275,000——
Arnon RosenthalCEODERIVOct 13D275,000——
Arnon RosenthalCEODERIVOct 13A500,000——
Arnon RosenthalCEODERIVOct 13D500,000——
Arnon RosenthalCEOOct 14A217,500$0.00—
Grace Wong-SaradOfficerDERIVOct 14A83,435$0.00—?
Grace Wong-SaradOfficerDERIVOct 13A11,309——
Grace Wong-SaradOfficerDERIVOct 13D11,309——
Grace Wong-SaradOfficerDERIVOct 13A11,552——
Grace Wong-SaradOfficerDERIVOct 13D11,552——
Grace Wong-SaradOfficerDERIVOct 13A10,228——
Grace Wong-SaradOfficerDERIVOct 13D10,228——
Grace Wong-SaradOfficerDERIVOct 13A20,454——
Grace Wong-SaradOfficerDERIVOct 13D20,454——
Grace Wong-SaradOfficerDERIVOct 13A13,842——
Grace Wong-SaradOfficerDERIVOct 13D13,842——
Grace Wong-SaradOfficerDERIVOct 13A20,000——
Grace Wong-SaradOfficerDERIVOct 13D20,000——
Grace Wong-SaradOfficerOct 14A55,555$0.00—
Neil Lindsay BerkleyCFODERIVOct 14A190,000$0.00—?
Neil Lindsay BerkleyCFOOct 14A44,567$0.00—
Grace Wong-SaradOfficerSep 4S3,625$2.51$9K
Grace Wong-SaradOfficerSep 3S5,165$2.67$14K
Grace Wong-SaradOfficerSep 2S656$2.75$2K
Neil Lindsay BerkleyCFOSep 3S29,251$2.66$78K
Arnon RosenthalCEOSep 3S72,606$2.66$193K
Arnon RosenthalCEOAug 19G350,000$0.00—
Arnon RosenthalCEOAug 19G350,000$0.00—
Arnon RosenthalCEOAug 19G350,000$0.00—
Arnon RosenthalCEOAug 19G1,050,000$0.00—
Grace Wong-SaradOfficerJul 9A20,000$0.00—
Kristine YaffeDirDERIVJun 17A9,450$0.00—?
Kristine YaffeDirJun 17A28,700$0.00—
Elizabeth A. GarofaloDirDERIVJun 17A9,450$0.00—?
Elizabeth A. GarofaloDirJun 17A28,700$0.00—
Paula HammondDirDERIVJun 17A9,450$0.00—?
Paula HammondDirJun 17A28,700$0.00—
Richard H. SchellerDirDERIVJun 17A9,450$0.00—?
Richard H. SchellerDirJun 17A28,700$0.00—
Mark AltmeyerDirDERIVJun 17A9,450$0.00—?
Mark AltmeyerDirJun 17A28,700$0.00—
Errol B. DesouzaDirDERIVJun 17A9,450$0.00—?
Errol B. DesouzaDirJun 17A28,700$0.00—
Louis J. Lavigne Jr.DirDERIVJun 17A9,450$0.00—?
Louis J. Lavigne Jr.DirJun 17A28,700$0.00—
Richard H. SchellerDirJun 1A10,833$0.00—
Arnon RosenthalCEOJun 2S87,216$1.97$172K
Grace Wong-SaradOfficerJun 3S3,475$1.88$7K
Grace Wong-SaradOfficerJun 2S5,709$1.97$11K
Neil Lindsay BerkleyCFOJun 2S19,360$1.97$38K
Grace Wong-SaradOfficerApr 16SPLAN1,820$2.65$5K
Arnon RosenthalCEOMar 13A116,246$0.00—
Neil Lindsay BerkleyCFOMar 15A54,600$0.00—
Grace Wong-SaradOfficerMar 10SPLAN1,000$2.65$3K
Neil Lindsay BerkleyCFOMar 2S29,649$2.12$63K
Grace Wong-SaradOfficerMar 3SPLAN3,367$2.08$7K
Grace Wong-SaradOfficerMar 2S8,071$2.12$17K
Arnon RosenthalCEOMar 2S81,864$2.12$174K
Grace Wong-SaradOfficerFeb 26SPLAN4,079$2.50$10K
Grace Wong-SaradOfficerDec 5S4,753$1.21$6K
Neil Lindsay BerkleyCFODec 3S37,261$1.12$42K
Grace Wong-SaradOfficerDec 3S8,056$1.12$9K
Sara Kenkare-MitraPresDec 3S41,687$1.12$47K
Arnon RosenthalCEODec 3S104,347$1.12$117K
Neil Lindsay BerkleyCFODERIVNov 10A195,000$0.00—?
Neil Lindsay BerkleyCFONov 10A65,000$0.00—
Grace Wong-SaradOfficerDERIVNov 10A48,535$0.00—?
Grace Wong-SaradOfficerNov 10A32,343$0.00—
Arnon RosenthalCEODERIVNov 10A522,500$0.00—?
Arnon RosenthalCEONov 10A174,167$0.00—