Reporting owner · CIK 0001298711

Krishnan Suma

Visual SEC Form 4 history across 1 companies, 40 transactions and 3 filings.

PRES, R, DPresident, R&DKrystal Biotech, Inc.
Open-market mix
Latest filingSep 04, 2026, 11:15 PM
Filings3Form 4 records
Buying$00 purchases
Selling$16.7M24 sales
Net value−$16.7MBuys minus sells
Companies14 securities
Most recentSep 04, 2026sale

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
1580-8-15Feb 2511Jun 2613Sep 26

Net value flow

Buys minus sells

Feb 25
$0
Jun 26
−$7.7M
Sep 26
−$9M

Transaction texture

Ownership and ticket size

Average P/S size$695.2K
Median P/S size$466.8K
Direct33
Indirect7
Sep 04, 2026sale

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern11Derivative Transactionfiling-context4Direct Ownershipfiling-context20Large Holdings Increaseholdings2Large Holdings Reductionholdings1Large Salesize5Repeat Sellerpattern1010b5-1 Detectedfiling-context11

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at Krystal Biotech, Inc. on Sep 04, 2026 valued at $146,256.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at Krystal Biotech, Inc. on Sep 04, 2026 valued at $146,256.

Review SEC filing

Associated companies

Visual map of known reporting history

KRYSKrystal Biotech, Inc.40 transactions · latest Sep 04, 2026, 11:15 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
KRYSKrishnan Suma
PRESRD
sale10b5-1400-$12.1MS
Cluster Selling Direct Ownership Repeat Seller+1
+17.5%06/0506/04
KRYSKrishnan Suma
PRESRD
sale10b5-1247-$7.48MS
Cluster Selling Direct Ownership Repeat Seller+1
+17.5%06/0506/04
KRYSKrishnan Suma
PRESRD
sale10b5-1593-$17.9MS
Cluster Selling Direct Ownership Repeat Seller+1
+17.5%06/0506/04
KRYSKrishnan Suma
PRESRD
sale10b5-1320-$9.62MS
Cluster Selling Direct Ownership 10b5-1 Detected
+17.5%06/0506/04
KRYSKrishnan Suma
PRESRD
grant16.0k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
—03/01/202502/28/2025
KRYSKrishnan Suma
PRESRD
grant25.0k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
—03/01/202502/28/2025
KRYSKrishnan Suma
PRESRD
exercise22.5k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction
—03/01/202502/28/2025
KRYSKrishnan Suma
PRESRD
exercise7.50k$0M
Derivative Transaction Direct Ownership
—03/01/202502/28/2025
KRYSKrishnan Suma
PRESRD
withholding4.72k-$83.2MF——03/01/202502/26/2025
KRYSKrishnan Suma
PRESRD
withholding12.1k-$217MF——03/01/202502/28/2025

Krishnan Suma Insider Activity FAQ

SEC Form 4 context

Who is Krishnan Suma?

Krishnan Suma is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001298711.

Which companies has Krishnan Suma reported transactions for?

Krystal Biotech, Inc.

When was Krishnan Suma's latest insider buy?

No open-market insider purchase is available for this period.

When was Krishnan Suma's latest insider sale?

sale at Krystal Biotech, Inc. on Sep 04, 2026 valued at $146,256.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.