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KRYS Insider Trading & Form 4 Activity

Krystal Biotech, Inc.
Last filing: Sep 4, 2026·1mo ago· Data may be outdated
BEARISH · LAST 90 DAYS
0%
buyers
$0
0 buys
$8.2M
8 sells
-$8.2M
net selling
1
insider
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Net flow — last 12 months

Monthly net of insider buys minus sells. Green months indicate net buying; red months indicate net selling.

Most active insiders

Ranked by total transaction value over the last 90 days.

INSIDERBOUGHTSOLDNET
Krishnan Krish S
President and CEO
—
$9.0M
-$9.0M
Krishnan Suma
President, R&D
—
$9.0M
-$9.0M
Rossi Dino A
Insider
—
$8.2M
-$8.2M

Recent transactions

Every Form 4 transaction for KRYS, newest first.

SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
847 sh @ $365.42
$310K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
1,358 sh @ $364.48
$495K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
573 sh @ $363.34
$208K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
2,010 sh @ $362.65
$729K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
2,029 sh @ $355.57
$721K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
1,214 sh @ $361.61
$439K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
2,266 sh @ $360.46
$817K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
3,357 sh @ $359.39
$1.2M
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
520 sh @ $354.54
$184K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
3,143 sh @ $358.42
$1.1M
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
3,981 sh @ $357.57
$1.4M
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
399 sh @ $366.56
$146K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
826 sh @ $365.41
$302K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
1,329 sh @ $364.48
$484K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
565 sh @ $363.34
$205K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
1,992 sh @ $362.65
$722K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
1,242 sh @ $361.61
$449K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
2,320 sh @ $360.47
$836K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
3,392 sh @ $359.39
$1.2M
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
3,180 sh @ $358.42
$1.1M
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
3,962 sh @ $357.57
$1.4M
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
3,267 sh @ $356.37
$1.2M
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
2,006 sh @ $355.57
$713K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Sep 4·Filed Sep 4·EDGAR ↗
520 sh @ $354.54
$184K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
3,297 sh @ $356.37
$1.2M
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Sep 4·Filed Sep 4·EDGAR ↗
405 sh @ $366.56
$148K
SELL
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
7,428 sh @ $329.60
$2.4M
GIFT
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
3,691 sh
—
SELL
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
341 sh @ $325.60
$111K
SELL
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
2,287 sh @ $326.60
$747K
SELL
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
5,226 sh @ $327.39
$1.7M
SELL
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
1,687 sh @ $328.52
$554K
SELL
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
4,896 sh @ $330.36
$1.6M
SELL
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
3,095 sh @ $331.43
$1.0M
SELL
Rossi Dino A · Insider
Tx Aug 14·Filed Aug 14·EDGAR ↗
40 sh @ $333.23
$13K
EXERCISE10b5-1
Thomas John Charles · EVP, General Counsel
Tx Jun 25·Filed Jun 26·EDGAR ↗
1,000 sh @ $179.25
$179K
SELL10b5-1
Thomas John Charles · EVP, General Counsel
Tx Jun 25·Filed Jun 26·EDGAR ↗
1,000 sh @ $347.27
$347K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Jun 4·Filed Jun 5·EDGAR ↗
2,039 sh @ $310.94
$634K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
40 sh @ $312.23
$12K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
964 sh @ $311.36
$300K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
2,652 sh @ $310.43
$823K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
2,784 sh @ $309.49
$862K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
4,830 sh @ $308.47
$1.5M
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
11,461 sh @ $307.68
$3.5M
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
589 sh @ $306.33
$180K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
544 sh @ $304.81
$166K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
176 sh @ $303.17
$53K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
640 sh @ $302.24
$193K
SELL10b5-1
Krishnan Krish S · President and CEO
Tx Jun 4·Filed Jun 5·EDGAR ↗
320 sh @ $300.75
$96K
SELL10b5-1
Krishnan Suma · President, R&D
Tx Jun 4·Filed Jun 5·EDGAR ↗
2,801 sh @ $309.95
$868K

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About KRYS insider trading data

Form 4 is the SEC filing required when an officer, director, or 10% owner of a public company buys or sells the company's stock. By law, these filings must be submitted within two business days of the trade. Tracenotes pulls every Form 4 filing for KRYS from EDGAR, parses it, and surfaces the activity on this page.

What insider buying tells you. Open-market purchases by insiders are widely studied as a meaningful signal. Unlike stock awards (which are compensation, not conviction), an executive spending their own money to buy shares of the company they run is a vote of confidence. Studies have found insider-buying clusters — three or more insiders buying within a short window — outperform the broader market over the following year.

What insider selling tells you. Selling is noisier. Many sales are pre-scheduled under SEC Rule 10b5-1 plans, which let insiders sell on a fixed schedule regardless of company news. We label these "10b5-1" so you can see them. Discretionary sales — sales not tied to a plan — are more meaningful, especially when multiple insiders sell in quick succession.

Tracenotes methodology. We scan EDGAR daily for new Form 4 filings, parse them into individual transactions, and detect clusters when three or more distinct insiders buy or sell within a 14-day window. The data on this page covers the last 12 months. For deeper analysis, Tracenotes also runs language-change detection on 10-K and 10-Q filings — that's our core product.

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Frequently asked questions

What is a Form 4 filing?

Form 4 is the SEC disclosure required when a company insider — an officer, director, or 10% owner — buys or sells the company's stock. By law these filings must be submitted within two business days of the trade.

Is insider buying KRYS always bullish?

Open-market purchases by insiders are widely viewed as a bullish signal because executives are spending their own money. Stock awards and option exercises are part of compensation and don't carry the same weight, which is why we treat them separately on this page.

What is a 10b5-1 trade?

A trade made under SEC Rule 10b5-1, which lets insiders pre-schedule sales weeks or months in advance. These sales execute on a fixed plan regardless of company news, so they're a weaker signal than discretionary sales. We label them with a "10b5-1" tag.

What is an insider cluster?

A cluster is when three or more distinct insiders buy or sell within a 14-day window. Clusters are studied as stronger signals than single trades because multiple people independently reach the same view. We surface active clusters on Krystal Biotech, Inc. (KRYS) when they form.

Where does KRYS insider trading data come from?

Every Form 4 filing for KRYS is sourced directly from SEC EDGAR. Tracenotes scans EDGAR daily, parses each Form 4 into individual transactions, and updates this page within hours of new filings.

Nothing on this page constitutes investment advice. Form 4 data is sourced from SEC EDGAR and provided for research purposes only.

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