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Straumann Holding AG (STMN)

Over the last 90 days, Straumann Holding AG has seen significant net selling activity, primarily driven by large sell transactions. While there were multiple buy transactions, their total value was substantially lower than the sell-offs, resulting in a negative net value. Executive trading showed a slight net buy.
Stock chart
Ticker: STMN Exchange: SWX


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Unknown insider
1 purchase — total 98,847 CHF
Buy 1 Jun 2026
Value CHF1,630,130.72 | Price 35.21 | Shares 7,471
Buy 7 May 2026
Value CHF2,555,981.79 | Price 439.29 | Shares 18,221
Buy 7 May 2026
Value CHF3,220,936.26 | Price 189.42 | Shares 93,200
Buy 7 May 2026
Value CHF103,747.92 | Price 64.56 | Shares 1,607
Buy 7 May 2026
Value CHF112,463.52 | Price 64.56 | Shares 1,742
Buy 7 May 2026
Value CHF162,497.52 | Price 64.56 | Shares 2,517
Buy 31 Mar 2026
Value CHF147,566.88 | Price 81.98 | Shares 1,800
Through a closely affiliated person
Sale 25 Mar 2026
Value CHF51,107,264.00 | Price 80.56 | Shares 634,400
Buy 20 Mar 2026
Value CHF106,931.82 | Price 76.38 | Shares 1,400
Buy 19 Mar 2026
Value CHF295,260.00 | Price 77.70 | Shares 3,800
Sale 16 Mar 2026
Value CHF2,511,671.33 | Price 80.37 | Shares 31,250
Sale 8 Dec 2025
Value CHF39,895.66 | Price 92.78 | Shares 430
Sale 25 Nov 2025
Value CHF3,463,556.92 | Price 100.03 | Shares 34,625
Sale 13 Nov 2025
Value CHF58,768.80 | Price 104.20 | Shares 564
Sale 5 Sep 2025
Value CHF221,510.05 | Price 94.82 | Shares 2,336
Buy 15 Aug 2025
Value CHF119,856.38 | Price 94.01 | Shares 1,275
Buy 16 Jul 2025
Value CHF30,276.00 | Price 104.40 | Shares 290
Through a closely affiliated person
Sale 24 Jun 2025
Value CHF4,209,496.22 | Price 104.50 | Shares 40,281
Sale 23 Jun 2025
Value CHF5,948,264.21 | Price 103.06 | Shares 57,719
Sale 20 Jun 2025
Value CHF4,334,542.59 | Price 103.20 | Shares 42,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-06-01 2026-06-01 B Purchase Executive Director / Officer
7,471
35.21
CHF1,630,131
7,471 35.21 CHF1,630,131
2026-05-07 2026-05-07 B Purchase Executive Director / Officer
18,221
439.29
CHF2,555,982
18,221 439.29 CHF2,555,982
2026-05-07 2026-05-07 B Purchase Executive Director / Officer
93,200
189.42
CHF3,220,936
93,200 189.42 CHF3,220,936
2026-05-07 2026-05-07 B Purchase Executive Director / Officer
1,607
64.56
CHF103,748
1,607 64.56 CHF103,748
2026-05-07 2026-05-07 B Purchase Executive Director / Officer
1,742
64.56
CHF112,464
1,742 64.56 CHF112,464
2026-05-07 2026-05-07 B Purchase Executive Director / Officer
2,517
64.56
CHF162,498
2,517 64.56 CHF162,498
2026-03-31 2026-03-31 B Purchase Non-Executive Director
1,800
81.98
CHF147,567
1,800 81.98 CHF147,567
2026-03-25 2026-03-25 S Sale Non-Executive Director
634,400
80.56
CHF51,107,264
634,400 80.56 CHF51,107,264
2026-03-20 2026-03-20 B Purchase Non-Executive Director
1,400
76.38
CHF106,932
1,400 76.38 CHF106,932
2026-03-19 2026-03-19 B Purchase Non-Executive Director
3,800
77.70
CHF295,260
3,800 77.70 CHF295,260
2026-03-16 2026-03-16 S Sale Non-Executive Director
31,250
80.37
CHF2,511,671
31,250 80.37 CHF2,511,671
2025-12-08 2025-12-08 S Sale Executive Director / Officer
430
92.78
CHF39,896
430 92.78 CHF39,896
2025-11-25 2025-11-25 S Sale Non-Executive Director
34,625
100.03
CHF3,463,557
34,625 100.03 CHF3,463,557
2025-11-13 2025-11-13 S Sale Non-Executive Director
564
104.20
CHF58,769
564 104.20 CHF58,769
2025-09-05 2025-09-05 S Sale Non-Executive Director
2,336
94.82
CHF221,510
2,336 94.82 CHF221,510
2025-08-15 2025-08-15 B Purchase Non-Executive Director
1,275
94.01
CHF119,856
1,275 94.01 CHF119,856
2025-07-16 2025-07-16 B Purchase Executive Director / Officer
290
104.40
CHF30,276
290 104.40 CHF30,276
2025-06-24 2025-06-24 S Sale Non-Executive Director
40,281
104.50
CHF4,209,496
40,281 104.50 CHF4,209,496
2025-06-23 2025-06-23 S Sale Non-Executive Director
57,719
103.06
CHF5,948,264
57,719 103.06 CHF5,948,264
2025-06-20 2025-06-20 S Sale Non-Executive Director
42,000
103.20
CHF4,334,543
42,000 103.20 CHF4,334,543