Seth Alpna

CIK 00017210203 companiesLEXINGTON, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001721020

Recent Transactions

47 trades

Award
BIO-TECHNE Corp$TECH
Common Stock
2025-10-30+1,640→ 15,411 total
Award
BIO-TECHNE Corp$TECH
Stock Options (Right to Buy)
2025-10-30+3,777→ 3,777 total
Award
Keros Therapeutics, Inc.$KROS
Common Stock
2025-06-04+5,250→ 5,250 total
Award
Keros Therapeutics, Inc.$KROS
Stock Option (right to buy)
2025-06-04+10,500→ 10,500 total
Award
BIO-TECHNE Corp$TECH
Stock Options (Right to Buy)
2024-10-24+3,511→ 3,511 total
Award
BIO-TECHNE Corp$TECH
Common Stock
2024-10-24+1,462→ 13,771 total
Award
Keros Therapeutics, Inc.$KROS
Stock Option (right to buy)
2024-05-30+10,000→ 10,000 total
Disposition to Issuer
Seagen Inc.
Common Stock
2023-12-14$229.00/sh−12,953→ 0 total
Disposition to Issuer
Seagen Inc.
Stock Options (Right to Buy)
2023-12-14−7,038→ 0 total
Disposition to Issuer
Seagen Inc.
Restricted Stock Units
2023-12-14−2,044→ 0 total
Disposition to Issuer
Seagen Inc.
Stock Options (Right to Buy)
2023-12-14−14,250→ 0 total
Disposition to Issuer
Seagen Inc.
Stock Options (Right to Buy)
2023-12-14−3,171→ 0 total
Disposition to Issuer
Seagen Inc.
Stock Options (Right to Buy)
2023-12-14−3,462→ 0 total
Disposition to Issuer
Seagen Inc.
Stock Options (Right to Buy)
2023-12-14−3,676→ 0 total
Award
BIO-TECHNE Corp$TECH
Stock Options (Right to Buy)
2023-10-26+3,937→ 3,937 total
Award
BIO-TECHNE Corp$TECH
Common Stock
2023-10-26+1,625→ 12,309 total
Award
Keros Therapeutics, Inc.$KROS
Stock Option (right to buy)
2023-06-06+10,000→ 10,000 total
Award
Seagen Inc.
Common Stock
2023-05-31+2,044→ 14,997 total
Award
Keros Therapeutics, Inc.$KROS
Stock Option (right to buy)
2023-05-01+20,000→ 20,000 total
Award
BIO-TECHNE Corp$TECH
Common Stock
2022-10-27+338→ 2,671 total
Award
BIO-TECHNE Corp$TECH
Stock Options (Right to Buy)
2022-10-27+865→ 865 total
Award
Seagen Inc.
Non-Qualified Stock Option (right to buy)
2022-05-13+3,676→ 3,676 total
Award
Seagen Inc.
Common Stock
2022-05-13+1,503→ 12,953 total
Award
BIO-TECHNE Corp$TECH
Stock Option (right to buy)
2021-10-28+633→ 633 total
Award
BIO-TECHNE Corp$TECH
Common Stock
2021-10-28+194→ 2,333 total
Award
Seagen Inc.
Common Stock
2021-05-14+1,402→ 11,450 total
Award
Seagen Inc.
Non-Qualified Stock Option (right to buy)
2021-05-14+3,462→ 3,462 total
Sale
BIO-TECHNE Corp$TECH
Common Stock
2020-11-09$306.95/sh−3,665→ 2,139 total
Sale
BIO-TECHNE Corp$TECH
Common Stock
2020-11-09$305.74/sh−1,358→ 5,804 total
Exercise/Conversion
BIO-TECHNE Corp$TECH
Stock Option (Right to Buy)
2020-11-09−1,898→ 0 total
Exercise/Conversion
BIO-TECHNE Corp$TECH
Stock Option (Right to Buy)
2020-11-09−3,125→ 0 total
Exercise/Conversion
BIO-TECHNE Corp$TECH
Common Stock
2020-11-09$179.84/sh+1,898→ 4,037 total
Exercise/Conversion
BIO-TECHNE Corp$TECH
Common Stock
2020-11-09$125.05/sh+3,125→ 7,162 total
Award
BIO-TECHNE Corp$TECH
Common Stock
2020-10-29+391→ 2,139 total
Award
BIO-TECHNE Corp$TECH
Stock Option (Right to Buy)
2020-10-29+1,507→ 1,507 total
Award
Seagen Inc.
Non-Qualified Stock Option (right to buy)
2020-05-15+3,171→ 3,171 total
Award
Seagen Inc.
Common Stock
2020-05-15+1,335→ 10,048 total
Award
BIO-TECHNE Corp$TECH
Common Stock
2019-10-24+495→ 1,748 total
Award
BIO-TECHNE Corp$TECH
Stock Option (right to buy)
2019-10-24+2,011→ 2,011 total
Award
Seagen Inc.
Non-Qualified Stock Option (right to buy)
2019-05-20+7,038→ 7,038 total
Award
Seagen Inc.
Common Stock
2019-05-20+2,963→ 8,713 total
Award
BIO-TECHNE Corp$TECH
Common Stock
2018-10-25+514→ 1,253 total
Award
BIO-TECHNE Corp$TECH
Stock Options (Right to buy)
2018-10-25+1,898→ 1,898 total
Award
Seagen Inc.
Common Stock
2018-03-15+5,750→ 5,750 total
Award
Seagen Inc.
Non-Qualified Stock Option (right to buy)
2018-03-15+14,250→ 14,250 total
Award
BIO-TECHNE Corp$TECH
Common Stock
2017-10-26+739→ 739 total
Award
BIO-TECHNE Corp$TECH
Stock Options (Right to buy)
2017-10-26+3,125→ 3,125 total

Companies

Recent Filings

Address

C/O KEROS THERAPEUTICS, INC. 1050 WALTHAM STREET, SUITE 302

LEXINGTON, MA, 02421

View on SEC.gov