Brumm Joshua T

CIK 00015288266 companiesWALTHAM, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001528826

Recent Transactions

50 trades

Sale
CRESCENT BIOPHARMA, INC.$CBIO
Ordinary Shares
2026-06-22$17.99/sh−42,305→ 281,212 total
Award
CRESCENT BIOPHARMA, INC.$CBIO
Ordinary Shares
2025-12-15+45,117→ 313,517 total
Award
CRESCENT BIOPHARMA, INC.$CBIO
Stock Option (Right to Buy)
2025-12-15+180,467→ 180,467 total
Award
CRESCENT BIOPHARMA, INC.$CBIO
Ordinary Shares
2025-12-15+10,000→ 323,517 total
Award
CRESCENT BIOPHARMA, INC.$CBIO
Stock Option (Right to Buy)
2025-12-08+345,672→ 345,672 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-11$25.42/sh−40,072→ 564,313 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-03-11−50,000→ 83,269 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-11$25.93/sh−8,618→ 537,998 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-11$26.12/sh−7,769→ 546,616 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-11$26.10/sh−9,928→ 554,385 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-11$5.54/sh+50,000→ 604,385 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-08$5.54/sh+153,931→ 708,316 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-08$5.54/sh+209,412→ 917,728 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-08$26.72/sh−160,670→ 554,820 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-03-08−153,931→ 0 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-08$27.38/sh−435→ 554,385 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-03-08−209,412→ 133,269 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-08$25.30/sh−202,238→ 715,490 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-07$25.85/sh−9,086→ 554,385 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-03-01−36,637→ 342,681 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-01$5.54/sh+94,480→ 657,951 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-03-01−57,843→ 44,500 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-01$29.70/sh−1,414→ 563,471 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-01$28.25/sh−18,976→ 638,975 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-03-01$29.23/sh−74,090→ 564,885 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-02-29$27.50/sh−5,520→ 563,471 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-02-29$5.54/sh+5,520→ 568,991 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-02-29−5,520→ 102,343 total
Gift
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-29−20,000→ 564,971 total
Gift
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-29−1,500→ 563,471 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-01-04−200,000→ 107,863 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-04$5.54/sh+200,000→ 803,507 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-04$18.40/sh−180,235→ 623,272 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-04$19.05/sh−38,301→ 584,971 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-04$1.03/sh+18,536→ 603,507 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-01-04−18,536→ 0 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-03$20.50/sh−16,026→ 584,971 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-03$18.34/sh−15,382→ 620,772 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-03$19.03/sh−19,775→ 600,997 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock option (right to buy)
2024-01-03−51,183→ 18,536 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2024-01-03$1.03/sh+51,183→ 636,154 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2023-12-11$10.72/sh−7,585→ 584,971 total
Award
Dyne Therapeutics, Inc.$DYN
Common Stock
2023-11-15+358,877→ 592,556 total
Award
Dyne Therapeutics, Inc.$DYN
Stock Option (right to buy)
2023-11-15+139,750→ 139,750 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2023-09-18$9.41/sh−12,032→ 233,679 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2023-09-12$10.41/sh−7,672→ 245,711 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2023-06-12$12.61/sh−187,748→ 253,383 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Common Stock
2023-06-12$1.03/sh+171,360→ 441,131 total
Exercise/Conversion
Dyne Therapeutics, Inc.$DYN
Stock Option (right to buy)
2023-06-12−171,360→ 69,719 total
Sale
Dyne Therapeutics, Inc.$DYN
Common Stock
2023-06-09$13.34/sh−76,582→ 269,771 total

Companies

Recent Filings

Address

C/O CRESCENT BIOPHARMA, INC. 300 FIFTH AVENUE

WALTHAM, MA, 02451

View on SEC.gov