Person · CIK 1800670

Barbara Weber

Director at Parabilis Medicines and Tango Therapeutics

Earlier: Revolution Medicines and Opy Acquisition Corp. I

Source: Forms 3, 4, 5 and 144 on SEC EDGAR

Sold on Form 4$2.4M
Noticed on Form 144$837K
Bought on Form 4$0
Companies4

Holdings now

As reported after the latest Form 3, 4 or 5 at each company.

How these figures work

Options and RSUs are from the latest filing that lists them; earlier grants may also be held. Holdings can be out of date when a person stops filing.

CompanySecurityHeldShares or unitsAs of
Parabilis Medicines PBLSStock Option (Right to Buy)
exercise $20.00, expires Jun 8, 2036, into Common Stock
Directly20,215Jun 9, 2026 · Filing · EDGAR
Tango Therapeutics TNGXCommon StockDirectly1,629,254Feb 3, 2026 · Filing · EDGAR
Tango Therapeutics TNGXStock Option (Right to Buy)
exercise $11.94, expires Feb 2, 2036, into Common Stock
Directly222,132Feb 2, 2026 · Filing · EDGAR
Revolution MedicinesCommon StockDirectly13,065Oct 8, 2024 · Filing · EDGAR
Revolution MedicinesStock Option (Right to Buy)
exercise $37.54, expires Jun 19, 2034, into Common Stock
Directly15,955Jun 20, 2024 · Filing · EDGAR

Sold and noticed by quarter

Barbara Weber: dollars sold on Form 4 and noticed on Form 144 per quarter, Q1 2021 to Q4 2026$526K$0Q1 2021: notice not machine-readableQ1 2021: $492K sold on Form 4Q2 2021: $0 noticed on Form 144Q2 2021: $0 sold on Form 4Q3 2021: $0 noticed on Form 144Q3 2021: $0 sold on Form 4Q4 2021: $0 noticed on Form 144Q4 2021: $0 sold on Form 4Q1 2022: $0 noticed on Form 144Q1 2022: $0 sold on Form 4Q2 2022: $0 noticed on Form 144Q2 2022: $0 sold on Form 4Q3 2022: $0 noticed on Form 144Q3 2022: $0 sold on Form 4Q4 2022: $0 noticed on Form 144Q4 2022: $0 sold on Form 4Q1 2023: $0 noticed on Form 144Q1 2023: $0 sold on Form 4Q2 2023: $0 noticed on Form 144Q2 2023: $0 sold on Form 4Q3 2023: $510K noticed on Form 144Q3 2023: $526K sold on Form 4Q4 2023: $0 noticed on Form 144Q4 2023: $0 sold on Form 4Q1 2024: $0 noticed on Form 144Q1 2024: $115K sold on Form 4Q2 2024: $0 noticed on Form 144Q2 2024: $0 sold on Form 4Q3 2024: $81K noticed on Form 144Q3 2024: $0 sold on Form 4Q4 2024: $246K noticed on Form 144Q4 2024: $250K sold on Form 4Q1 2025: $0 noticed on Form 144Q1 2025: $58K sold on Form 4Q2 2025: $0 noticed on Form 144Q2 2025: $0 sold on Form 4Q3 2025: $0 noticed on Form 144Q3 2025: $0 sold on Form 4Q4 2025: $0 noticed on Form 144Q4 2025: $0 sold on Form 4Q1 2026: $0 noticed on Form 144Q1 2026: $374K sold on Form 4Q2 2026: $0 noticed on Form 144Q2 2026: $0 sold on Form 4Q3 2026: $0 noticed on Form 144Q3 2026: $0 sold on Form 4Q4 2026: $0 noticed on Form 144Q4 2026: $0 sold on Form 4Q1 2021Q2 2022Q3 2023Q4 2024Q1 2026

Sold (Form 4) Noticed (Form 144) Bought (Form 4)

Quarterly totals as a table
QuarterSold (Form 4)Noticed (Form 144)
Q1 2026$374K—
Q1 2025$58K—
Q4 2024$250K$246K
Q3 2024—$81K
Q1 2024$115K—
Q3 2023$526K$510K
Q1 2021$492KNot machine-readable
Q4 2020$577KNot machine-readable
Q3 2020$56KNot machine-readable

Form 144 notices went onto EDGAR as structured data on April 13, 2023. Earlier notices were filed on paper and cannot be read here, so those quarters show no noticed amount.

Planned sales (Form 144) and the sales that followed

Each Form 144 notice of a planned sale, grouped by broker and 10b5-1 plan, with the Form 4 sales we matched to it.

How we match

A Form 144 is a notice of a planned sale by an affiliate. SEC Tracker matches each notice to Form 4 sales by the same person at the same company within 90 days of the notice, up to the shares noticed. The match is our inference, not something either filing states.

Notice dateNoticedPlanned saleOutcomeLinks
Revolution Medicines · Morgan Stanley Smith Barney · 10b5-1 plan adopted May 29, 2024 · 1 notice
Oct 8, 20245,200 · ~$246KOct 8, 2024Sold as noticed Sold 5,200 at $48.02 on Oct 8 · $250K Form 4Filing · EDGAR
Revolution Medicines · Morgan Stanley Smith Barney · No 10b5-1 plan stated · 1 notice
Aug 21, 20241,808 · ~$81KAug 21, 2024Not sold within 90 daysFiling · EDGAR
Revolution Medicines · Morgan Stanley Smith Barney · 10b5-1 plan adopted Dec 14, 2022 · 1 notice
Sep 1, 202315,000 · ~$510KSep 1, 2023Sold as noticed Sold 15,000 at $35.07 on Sep 1 · $526K Form 4Filing · EDGAR
Sales without a matching Form 144 · 16 sales
No matching Form 144 found. Not every sale needs one: small sales and sales by people who are not affiliates are exempt.
———Sold without notice Tango Therapeutics (TNGX): Sold 333 at $12.90 on Feb 3, 2026 · $4KFiling · EDGAR
———Sold without notice Tango Therapeutics (TNGX): Sold 30,186 at $12.26 on Feb 3, 2026 · $370KFiling · EDGAR
———Sold without notice Tango Therapeutics (TNGX): Sold 9,013 at $3.16 on Feb 5, 2025 · $28KFiling · EDGAR
———Sold without notice Tango Therapeutics (TNGX): Sold 9,778 at $2.99 on Feb 4, 2025 · $29KFiling · EDGAR
———Sold without notice Tango Therapeutics (TNGX): Sold 4,457 at $12.62 on Feb 7, 2024 · $56KFiling · EDGAR
———Sold without notice Tango Therapeutics (TNGX): Sold 4,681 at $12.56 on Feb 6, 2024 · $59KFiling · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 900 at $51.86 on Feb 4, 2021 · $47K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 4,100 at $50.02 on Feb 4, 2021 · $205K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 5,336 at $45.00 on Feb 2, 2021 · $240K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 100 at $41.33 on Dec 30, 2020 · $4K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 5,236 at $40.95 on Dec 30, 2020 · $214K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 7,196 at $36.17 on Oct 5, 2020 · $260K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 804 at $36.02 on Oct 2, 2020 · $29K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 2,000 at $34.76 on Oct 1, 2020 · $70K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 333 at $28.00 on Aug 13, 2020 · $9K (10b5-1 plan)Filing · EDGAR
———Notice not machine-readable Revolution Medicines: Sold 1,667 at $28.00 on Aug 12, 2020 · $47K (10b5-1 plan)Filing · EDGAR

Every transaction, by company

Each Form 3, 4 and 5 transaction in plain words, newest first.

How these figures work

Values are shares times the price each filing states; grants, exercises and gifts usually state no price. Held after is what the filing reports was held once the transaction was done, directly or through the named holder.

Parabilis Medicines PBLS Director · filings 2026 to 2026

DateTransactionSharesPriceValueHeld afterSource
Jun 9, 2026Grant or award from the company
Stock Option (Right to Buy)
+20,21520,215 directFiling · EDGAR

Tango Therapeutics TNGX Director, Executive Chair · filings 2021 to 2026 · sold $547K

DateTransactionSharesPriceValueHeld afterSource
Feb 3, 2026Open-market or private sale−30,186$12.26$370K1,629,587 directFiling · EDGAR
Feb 3, 2026Open-market or private sale−333$12.90$4K1,629,254 directFiling · EDGAR
Feb 2, 2026Grant or award from the company+37,5221,659,773 directFiling · EDGAR
Feb 2, 2026Grant or award from the company
Stock Option (Right to Buy)
+222,132222,132 directFiling · EDGAR
Feb 5, 2025Open-market or private sale−9,013$3.16$28K1,622,251 directFiling · EDGAR
Feb 4, 2025Open-market or private sale−9,778$2.99$29K1,631,264 directFiling · EDGAR
Feb 3, 2025Grant or award from the company+105,8751,641,042 directFiling · EDGAR
Feb 3, 2025Grant or award from the company
Stock Option (Right to Buy)
+635,250635,250 directFiling · EDGAR
Feb 7, 2024Open-market or private sale−4,457$12.62$56K1,535,167 directFiling · EDGAR
Feb 6, 2024Open-market or private sale−4,681$12.56$59K1,539,624 directFiling · EDGAR
Feb 1, 2024Grant or award from the company+87,16887,168 directFiling · EDGAR
Feb 1, 2024Grant or award from the company
Stock Option (Right to Buy)
+523,012523,012 directFiling · EDGAR
Mar 1, 2023Grant or award from the company+89,5451,457,137 directFiling · EDGAR
Mar 1, 2023Grant or award from the company
Stock Option (Right to Buy)
+537,273537,273 directFiling · EDGAR
Feb 1, 2022Grant or award from the company
Stock Option (Right to Buy)
+625,000625,000 directFiling · EDGAR
Aug 12, 2021Grant or award from the company
Stock Option (Right to Buy)
+961,403961,403 directFiling · EDGAR

Revolution Medicines Director · filings 2020 to 2024 · sold $1.9M · $837K noticed on Form 144

DateTransactionSharesPriceValueHeld afterSource
Oct 8, 2024Sale under a 10b5-1 plan−5,200$48.02$250K13,065 directFiling · EDGAR
Aug 21, 2024Returned to the company−1,808$44.83$81K18,265 directFiling · EDGAR
Jun 20, 2024Grant or award from the company+4,24820,073 directFiling · EDGAR
Jun 20, 2024Grant or award from the company
Stock Option (Right to Buy)
+15,95515,955 directFiling · EDGAR
Sep 1, 2023Option or RSU exercised or converted+3,854$1.12$4K19,679 directFiling · EDGAR
Sep 1, 2023Option or RSU exercised or converted+11,146$4.73$53K30,825 directFiling · EDGAR
Sep 1, 2023Sale under a 10b5-1 plan−15,000$35.07$526K15,825 directFiling · EDGAR
Sep 1, 2023Option or RSU exercised or converted
Stock Option (Right to Buy)
−3,8549,635 directFiling · EDGAR
Sep 1, 2023Option or RSU exercised or converted
Stock Option (Right to Buy)
−11,1461,851 directFiling · EDGAR
Jun 8, 2023Grant or award from the company+5,20015,825 directFiling · EDGAR
Jun 8, 2023Grant or award from the company
Stock Option (Right to Buy)
+18,40018,400 directFiling · EDGAR
Jun 16, 2022Grant or award from the company+5,20010,625 directFiling · EDGAR
Jun 16, 2022Grant or award from the company
Stock Option (Right to Buy)
+18,40018,400 directFiling · EDGAR
Jun 22, 2021Grant or award from the company+3,6175,425 directFiling · EDGAR
Jun 22, 2021Grant or award from the company
Stock Option (Right to Buy)
+12,65912,659 directFiling · EDGAR
Feb 4, 2021Option or RSU exercised or converted+5,000$4.73$24K6,808 directFiling · EDGAR
Feb 4, 2021Sale under a 10b5-1 plan−4,100$50.02$205K2,708 directFiling · EDGAR
Feb 4, 2021Sale under a 10b5-1 plan−900$51.86$47K1,808 directFiling · EDGAR
Feb 4, 2021Option or RSU exercised or converted
Stock Option (Right to Buy)
−5,00012,997 directFiling · EDGAR
Feb 2, 2021Option or RSU exercised or converted+5,336$1.12$6K7,144 directFiling · EDGAR
Feb 2, 2021Sale under a 10b5-1 plan−5,336$45.00$240K1,808 directFiling · EDGAR
Feb 2, 2021Option or RSU exercised or converted
Stock Option (Right to Buy)
−5,33613,489 directFiling · EDGAR
Dec 30, 2020Other acquisition or disposition (see the filing)
Stock Option (Right to Buy)
−018,825 directFiling · EDGAR
Dec 30, 2020Option or RSU exercised or converted+5,336$1.12$6K7,144 directFiling · EDGAR
Dec 30, 2020Sale under a 10b5-1 plan−5,236$40.95$214K1,908 directFiling · EDGAR
Dec 30, 2020Sale under a 10b5-1 plan−100$41.33$4K1,808 directFiling · EDGAR
Dec 30, 2020Option or RSU exercised or converted
Stock Option (Right to Buy)
−5,33613,489 directFiling · EDGAR
Oct 5, 2020Option or RSU exercised or converted+7,196$1.12$8K9,004 directFiling · EDGAR
Oct 5, 2020Sale under a 10b5-1 plan−7,196$36.17$260K1,808 directFiling · EDGAR
Oct 5, 2020Option or RSU exercised or converted
Stock Option (Right to Buy)
−7,19618,825 directFiling · EDGAR
Oct 2, 2020Option or RSU exercised or converted+804$1.12$9002,612 directFiling · EDGAR
Oct 2, 2020Sale under a 10b5-1 plan−804$36.02$29K1,808 directFiling · EDGAR
Oct 2, 2020Option or RSU exercised or converted
Stock Option (Right to Buy)
−80426,021 directFiling · EDGAR
Oct 1, 2020Option or RSU exercised or converted+2,000$1.12$2K3,808 directFiling · EDGAR
Oct 1, 2020Sale under a 10b5-1 plan−2,000$34.76$70K1,808 directFiling · EDGAR
Oct 1, 2020Option or RSU exercised or converted
Stock Option (Right to Buy)
−2,00026,825 directFiling · EDGAR
Aug 13, 2020Option or RSU exercised or converted+333$1.12$3732,141 directFiling · EDGAR
Aug 13, 2020Sale under a 10b5-1 plan−333$28.00$9K1,808 directFiling · EDGAR
Aug 13, 2020Option or RSU exercised or converted
Stock Option (Right to Buy)
−33328,825 directFiling · EDGAR
Aug 12, 2020Option or RSU exercised or converted+1,667$1.12$2K3,475 directFiling · EDGAR
Aug 12, 2020Sale under a 10b5-1 plan−1,667$28.00$47K1,808 directFiling · EDGAR
Aug 12, 2020Option or RSU exercised or converted
Stock Option (Right to Buy)
−1,66729,158 directFiling · EDGAR
Jun 17, 2020Grant or award from the company+1,8081,808 directFiling · EDGAR
Jun 17, 2020Grant or award from the company
Stock Option (Right to Buy)
+6,3296,329 directFiling · EDGAR

Opy Acquisition Corp. I Director · filings 2021 to 2021

No transactions in the filings read; Form 144 notices are listed above.

All 31 Forms 3, 4, 5 and 144
FiledFormCompanyLinks
Jun 11, 2026Form 4Parabilis Medicines PBLSFiling · EDGAR
Jun 9, 2026Form 3Parabilis Medicines PBLSFiling · EDGAR
Feb 4, 2026Form 4Tango Therapeutics TNGXFiling · EDGAR
Feb 6, 2025Form 4Tango Therapeutics TNGXFiling · EDGAR
Feb 5, 2025Form 4Tango Therapeutics TNGXFiling · EDGAR
Oct 10, 2024Form 4Revolution MedicinesFiling · EDGAR
Oct 8, 2024Form 144Revolution MedicinesFiling · EDGAR
Aug 23, 2024Form 4Revolution MedicinesFiling · EDGAR
Aug 21, 2024Form 144Revolution MedicinesFiling · EDGAR
Jun 28, 2024Form 4/ARevolution MedicinesFiling · EDGAR
Jun 24, 2024Form 4Revolution MedicinesFiling · EDGAR
Feb 8, 2024Form 4Tango Therapeutics TNGXFiling · EDGAR
Feb 5, 2024Form 4Tango Therapeutics TNGXFiling · EDGAR
Sep 6, 2023Form 4Revolution MedicinesFiling · EDGAR
Sep 1, 2023Form 144Revolution MedicinesFiling · EDGAR
Jun 12, 2023Form 4Revolution MedicinesFiling · EDGAR
Mar 2, 2023Form 4Tango Therapeutics TNGXFiling · EDGAR
Jun 17, 2022Form 4Revolution MedicinesFiling · EDGAR
Feb 3, 2022Form 4Tango Therapeutics TNGXFiling · EDGAR
Oct 27, 2021Form 3Opy Acquisition Corp. IFiling · EDGAR
Aug 16, 2021Form 4Tango Therapeutics TNGXFiling · EDGAR
Aug 12, 2021Form 3Tango Therapeutics TNGXFiling · EDGAR
Jun 24, 2021Form 4Revolution MedicinesFiling · EDGAR
Feb 5, 2021Form 4Revolution MedicinesFiling · EDGAR
Feb 3, 2021Form 4Revolution MedicinesFiling · EDGAR
Jan 8, 2021Form 4/ARevolution MedicinesFiling · EDGAR
Jan 4, 2021Form 4Revolution MedicinesFiling · EDGAR
Oct 5, 2020Form 4Revolution MedicinesFiling · EDGAR
Aug 14, 2020Form 4Revolution MedicinesFiling · EDGAR
Jun 19, 2020Form 4Revolution MedicinesFiling · EDGAR
Feb 12, 2020Form 3Revolution MedicinesFiling · EDGAR

Every figure is as filed with the SEC on Forms 3, 4, 5 and 144. Holdings are the amounts reported after each person's latest filing at each company and can be out of date. Matching a Form 144 notice to Form 4 sales is SEC Tracker's inference from owner, company, dates and share counts, not something the filings state. Not investment advice. Not affiliated with the U.S. SEC.