Surmodics, Inc.
Surmodics, Inc. (SRDX) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · SRDX · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
1
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Surmodics, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
SRDX insider buying and selling by quarter
SRDX insider selling · SRDX insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · SRDX ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
SRDX executive sell shares · SRDX board member insider trading · SRDX insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Nov 19, 2025 | OLSON CHARLES W SVP, Medical Device Coatings | Other | 800 | $40 | Form 4 |
| Nov 19, 2025 | Manders John D. VP Finance, Corp. Controller | Other | 8,155 | $408 | Form 4 |
| Nov 19, 2025 | Weber Gordon S. Sr. VP of Legal, GC and Sec. | Other | 21,040 | $1K | Form 4 |
| Nov 19, 2025 | SIDES TERI WOODWICK SVP, Vascular Interventions | Other | 34,703 | $2K | Form 4 |
| Nov 19, 2025 | DANTZKER DAVID Director | Other | 40,183 | $2K | Form 4 |
| Nov 19, 2025 | Heine Lisa Wipperman Director | Other | 13,978 | $699 | Form 4 |
| Nov 19, 2025 | KNIGHT SUSAN E Director | Other | 37,240 | $2K | Form 4 |
| Nov 19, 2025 | BEDOYA JOSE H Director | Other | 30,008 | $2K | Form 4 |
| Nov 19, 2025 | Arens Timothy J. CFO | Other | 67,299 | $3K | Form 4 |
| Nov 19, 2025 | Stich Joseph J. SVP of HR, President IVD | Other | 61,631 | $3K | Form 4 |
| Nov 19, 2025 | Maharaj Gary R President & CEO · Director | Other | 192,056 | $10K | Form 4 |
| Feb 18, 2025 | Heine Lisa Wipperman Director | Option | 2,640 | $72K | Form 4 |
| Feb 18, 2025 | Heine Lisa Wipperman Director | Other | 2,115 | $72K | Form 4 |
| Feb 13, 2025 | DANTZKER DAVID Director | Option | 5,275 | $144K | Form 4 |
| Feb 13, 2025 | DANTZKER DAVID Director | Other | 4,216 | $144K | Form 4 |
| Feb 14, 2025 | BEDOYA JOSE H Director | Option | 5,275 | $144K | Form 4 |
| Feb 14, 2025 | BEDOYA JOSE H Director | Other | 4,224 | $144K | Form 4 |
| Jan 24, 2025 | KNIGHT SUSAN E Director | Option | 7,358 | $201K | Form 4 |
| Jan 24, 2025 | KNIGHT SUSAN E Director | Other | 5,266 | $201K | Form 4 |
| Dec 4, 2024 | Arens Timothy J. CFO | Other | 1,265 | $50K | Form 4 |
| Dec 4, 2024 | Weber Gordon S. Sr. VP of Legal, GC and Sec. | Other | 668 | $27K | Form 4 |
| Dec 4, 2024 | SIDES TERI WOODWICK SVP, Vascular Interventions | Other | 946 | $38K | Form 4 |
| Dec 4, 2024 | Manders John D. VP Finance, Corp. Controller | Other | 152 | $6K | Form 4 |
| Dec 4, 2024 | Stich Joseph J. SVP of HR, President IVD | Other | 1,034 | $41K | Form 4 |
| Dec 4, 2024 | OLSON CHARLES W SVP, Medical Device Coatings | Other | 959 | $38K | Form 4 |
OLSON CHARLES W
SVP, Medical Device Coatings
Date
Nov 19
Shares
800
Price
$0.05
Value
$40
Manders John D.
VP Finance, Corp. Controller
Date
Nov 19
Shares
8,155
Price
$0.05
Value
$408
Weber Gordon S.
Sr. VP of Legal, GC and Sec.
Date
Nov 19
Shares
21,040
Price
$0.05
Value
$1K
SIDES TERI WOODWICK
SVP, Vascular Interventions
Date
Nov 19
Shares
34,703
Price
$0.05
Value
$2K
Stich Joseph J.
SVP of HR, President IVD
Date
Nov 19
Shares
61,631
Price
$0.05
Value
$3K
Maharaj Gary R
President & CEO · Director
Date
Nov 19
Shares
192,056
Price
$0.05
Value
$10K
Weber Gordon S.
Sr. VP of Legal, GC and Sec.
Date
Dec 4
Shares
668
Price
$39.91
Value
$27K
SIDES TERI WOODWICK
SVP, Vascular Interventions
Date
Dec 4
Shares
946
Price
$39.91
Value
$38K
Manders John D.
VP Finance, Corp. Controller
Date
Dec 4
Shares
152
Price
$39.91
Value
$6K
Stich Joseph J.
SVP of HR, President IVD
Date
Dec 4
Shares
1,034
Price
$39.91
Value
$41K
OLSON CHARLES W
SVP, Medical Device Coatings
Date
Dec 4
Shares
959
Price
$39.91
Value
$38K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About SRDX insider trading
SRDX insider trades
Surmodics, Inc. (SRDX) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including OLSON CHARLES W (SVP, Medical Device Coatings), Manders John D. (VP Finance, Corp. Controller), Weber Gordon S. (Sr. VP of Legal, GC and Sec.). Over the past 12 months, 5 insiders have filed transactions with the SEC. SRDX insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Surmodics, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
SRDX insider trading · 5 questionsThe insiders of Surmodics, Inc. (SRDX) include executives and directors such as OLSON CHARLES W (SVP, Medical Device Coatings), Manders John D. (VP Finance, Corp. Controller), Weber Gordon S. (Sr. VP of Legal, GC and Sec.), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026