WALSH MATTHEW M

CIK 00012694286 companiesRADNOR, PA

SEC Profile

Transactions

Companies

Filings

CIK

0001269428

Recent Transactions

50 trades

Exercise/Conversion
Certara, Inc.$CERT
Restricted Stock Units
2026-05-14−15,757→ 0 total
Award
Certara, Inc.$CERT
Restricted Stock Units
2026-05-14+33,222→ 33,222 total
Exercise/Conversion
Certara, Inc.$CERT
Common Stock
2026-05-14+15,757→ 213,316 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2026-03-31−12,047→ 0 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2026-03-31−21,546→ 43,094 total
Award
Organon & Co.$OGN
Restricted Stock Units
2026-03-31+83,472→ 83,472 total
Exercise/Conversion
Organon & Co.$OGN
Common Stock
2026-03-31+21,546→ 220,126 total
Award
Organon & Co.$OGN
Restricted Stock Units
2026-03-31+321,368→ 321,368 total
Exercise/Conversion
Organon & Co.$OGN
Common Stock
2026-03-31+12,047→ 202,707 total
Tax Payment
Organon & Co.$OGN
Common Stock
2026-03-31$5.70/sh−4,127→ 198,580 total
Tax Payment
Organon & Co.$OGN
Common Stock
2026-03-31$5.70/sh−7,380→ 212,746 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2026-03-29−15,071→ 15,071 total
Tax Payment
Organon & Co.$OGN
Common Stock
2026-03-29$5.84/sh−5,162→ 190,660 total
Exercise/Conversion
Organon & Co.$OGN
Common Stock
2026-03-29+15,071→ 195,822 total
Tax Payment
Organon & Co.$OGN
Common Stock
2026-02-27$7.17/sh−14,887→ 172,196 total
Award
Organon & Co.$OGN
Common Stock
2026-02-27+12,020→ 184,216 total
Award
Organon & Co.$OGN
Common Stock
2026-02-27+42,599→ 187,083 total
Tax Payment
Organon & Co.$OGN
Common Stock
2026-02-27$7.23/sh−4,117→ 180,751 total
Exercise/Conversion
Certara, Inc.$CERT
Common Stock
2025-05-21+11,928→ 197,559 total
Exercise/Conversion
Certara, Inc.$CERT
Restricted Stock Units
2025-05-21−11,928→ 0 total
Award
Certara, Inc.$CERT
Restricted Stock Units
2025-05-21+15,757→ 15,757 total
Purchase
Organon & Co.$OGN
Common Stock
2025-05-05$8.82/sh+11,400→ 144,484 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2025-03-31−15,070→ 30,142 total
Tax Payment
Organon & Co.$OGN
Common Stock
2025-03-31$14.51/sh−5,933→ 129,149 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2025-03-31−7,754→ 0 total
Exercise/Conversion
Organon & Co.$OGN
Common Stock
2025-03-31+7,754→ 136,903 total
Award
Organon & Co.$OGN
Restricted Stock Units
2025-03-31+64,640→ 64,640 total
Tax Payment
Organon & Co.$OGN
Common Stock
2025-03-31$14.51/sh−3,819→ 133,084 total
Tax Payment
Organon & Co.$OGN
Common Stock
2025-03-31$14.51/sh−7,422→ 123,036 total
Exercise/Conversion
Organon & Co.$OGN
Common Stock
2025-03-31+15,070→ 130,458 total
Award
Organon & Co.$OGN
Stock Option (right to buy)
2025-03-31+317,656→ 317,656 total
Exercise/Conversion
Organon & Co.$OGN
Common Stock
2025-03-31+12,046→ 135,082 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2025-03-31−12,046→ 12,047 total
Tax Payment
Organon & Co.$OGN
Common Stock
2025-02-20$14.92/sh−10,662→ 111,726 total
Tax Payment
Organon & Co.$OGN
Common Stock
2025-02-20$15.29/sh−1,908→ 115,388 total
Award
Organon & Co.$OGN
Common Stock
2025-02-20+5,570→ 117,296 total
Award
Organon & Co.$OGN
Common Stock
2025-02-20+30,414→ 122,388 total
Tax Payment
Organon & Co.$OGN
Common Stock
2024-09-03$20.35/sh−3,541→ 91,974 total
Award
Organon & Co.$OGN
Common Stock
2024-09-03+7,189→ 95,515 total
Exercise/Conversion
Certara, Inc.$CERT
Restricted Stock Units
2024-05-21−8,663→ 0 total
Exercise/Conversion
Certara, Inc.$CERT
Common Stock
2024-05-21+8,663→ 185,631 total
Award
Certara, Inc.$CERT
Restricted Stock Units
2024-05-21+11,928→ 11,928 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2024-05-04−8,310→ 0 total
Tax Payment
Organon & Co.$OGN
Common Stock
2024-05-04$19.61/sh−4,093→ 88,326 total
Exercise/Conversion
Organon & Co.$OGN
Common Stock
2024-05-04+8,310→ 92,419 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2024-03-31−12,046→ 24,093 total
Exercise/Conversion
Organon & Co.$OGN
Restricted Stock Units
2024-03-31−7,753→ 7,754 total
Tax Payment
Organon & Co.$OGN
Common Stock
2024-03-31$18.80/sh−5,933→ 84,109 total
Exercise/Conversion
Organon & Co.$OGN
Common Stock
2024-03-31+12,046→ 90,042 total
Tax Payment
Organon & Co.$OGN
Common Stock
2024-03-31$18.80/sh−3,819→ 77,996 total

Companies

Recent Filings

Address

C/O CERTARA, INC. 4 RADNOR CORPORATE CENTER, SUITE 350

RADNOR, PA, 19087

View on SEC.gov