Hans-Peter Gerber

Executive

Insider activity · 24 months1 buy0 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 1 buy · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Company

▲ Purchases (1 ops.)

€12k

▼ Sales (0 ops.)

—

Latest filing published 22 Sept 2026 for Sutro Biopharma, INC..

Filing timeline

BuySale

Hans-Peter Gerber

Insider track record

Disclosed buys

Disclosed sells

Signal history

Closed purchases

Market purchases

Not enough history yet: 1 closed purchase, at least 2 are needed.

Purchases by company

Sutro Biopharma, INC. 1 purchase · last 16 Oct 2025

Since each purchase

Sutro Biopharma, Inc.
Filed 16 Oct 2025 · 375 days ago · €12k
+29.4%
Entry US$10.10 · Close at T+90 US$13.07

Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.

Hans-Peter Gerber: trading record in brief

Hans-Peter Gerber appears in our data through filings on Sutro Biopharma, Inc. shares, published by SEC (Form 4). We count 13 filings; the first trade dates from 18 September 2024 and the latest from 18 September 2026.

On the market, this insider has only ever bought: 1 purchase, €12k in total. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Other entries cover 6 share grants and 6 option exercises.

The record was last updated on 22 September 2026 with a share grant (€18k) in Sutro Biopharma, Inc. The last insider purchase was made public on 16 October 2025, 375 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. The legal deadline for a Form 4 is two business days after the transaction. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.