1. Corporate Officers - S
2. Seth Alpna

Insider Trading History of Seth Alpna

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Seth Alpna since 2020. This trader's CIK number is 1721020. At the time of last reporting, Seth Alpna was the Officer of Keros Therapeutics, Inc.. (stock ticker symbol KROS). Also see all insider trading activities at Keros Therapeutics, Inc..

Note that in the past Seth Alpna also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Keros Therapeutics, Inc. (KROS) by Seth Alpna

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2026	KROS	0	$0	2,625	$28,140	0	$0

Yearly summary of insider trading at Bio-techne Corp (TECH) by Seth Alpna

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	TECH	0	$0	5,023	$1,538,770	5,023	$765,731

Insider trading activities at 2 companies by Seth Alpna:

1. Keros Therapeutics, Inc. (KROS)

2. Bio-techne Corp (TECH)

Table 1. Insider trading of Keros Therapeutics, Inc. (KROS) by Seth Alpna

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2026-06-04	KROS	Sale	2,625	10.72	28,140

Table 2. Insider trading of Bio-techne Corp (TECH) by Seth Alpna

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-11-09	TECH	Option Ex	5,023	152.44	765,731
2020-11-09	TECH	Sale	5,023	306.35	1,538,770

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Seth Alpna (Officer of Keros Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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