diff --git a/docs/hacktober_2026_prep.md b/docs/hacktober_2026_prep.md
index 82309927a43b..88aed0804054 100644
--- a/docs/hacktober_2026_prep.md
+++ b/docs/hacktober_2026_prep.md
@@ -6,14 +6,16 @@ Each of the `scripts/close_pull_requests_with_*.sh` jobs is run one at a time by
 
 Snapshot taken: **2026-09-02** -- **918** open pull requests.
 
+Latest refresh: **2026-09-05** -- 12 more tracked PRs resolved since the #15189 batch: **9 merged** (#13146, #13149, #13827, #13896, #14728, #14979, #15156, #15158, #15180) and **3 closed by a maintainer** (#12109 superseded by #13146, #15146, #9416 how-to-use). Approximately **752** pull requests remain open.
+
 Notation: `<index>. [ ] #<pr_id> <labels>`
 
 ## Open pull requests
 
-1. [ ] #15158 enhancement, awaiting reviews
-2. [ ] #15156 enhancement, awaiting reviews
+1. [x] #15158 merged
+2. [x] #15156 merged
 3. [ ] #15147 no labels
-4. [ ] #15146 enhancement, awaiting reviews
+4. [x] #15146 closed by maintainer
 5. [ ] #15144 awaiting reviews
 6. [ ] #15142 enhancement, awaiting reviews
 7. [x] #15128 closed by close_pull_requests_with_failing_tests.sh
@@ -73,7 +75,7 @@ Notation: `<index>. [ ] #<pr_id> <labels>`
 61. [ ] #14988 awaiting reviews
 62. [ ] #14987 enhancement, awaiting reviews
 63. [ ] #14986 enhancement, awaiting reviews
-64. [ ] #14979 enhancement, awaiting reviews
+64. [x] #14979 merged
 65. [x] #14975 closed by close_pull_requests_with_failing_tests.sh
 66. [x] #14974 closed by close_pull_requests_with_failing_tests.sh
 67. [x] #14973 closed by close_pull_requests_with_require_tests.sh
@@ -161,7 +163,7 @@ Notation: `<index>. [ ] #<pr_id> <labels>`
 149. [x] #14732 closed by close_pull_requests_with_require_tests.sh
 150. [x] #14731 closed by close_pull_requests_with_failing_tests.sh
 151. [ ] #14729 enhancement, awaiting reviews
-152. [ ] #14728 awaiting reviews
+152. [x] #14728 merged
 153. [x] #14727 closed by close_pull_requests_with_failing_tests.sh
 154. [x] #14726 closed by close_pull_requests_with_require_type_hints.sh
 155. [ ] #14724 awaiting reviews
@@ -410,7 +412,7 @@ Notation: `<index>. [ ] #<pr_id> <labels>`
 398. [ ] #13900 enhancement, awaiting reviews
 399. [x] #13899 closed by close_pull_requests_with_failing_tests.sh
 400. [x] #13897 closed by close_pull_requests_with_failing_tests.sh
-401. [ ] #13896 awaiting reviews
+401. [x] #13896 merged
 402. [ ] #13894 awaiting reviews
 403. [ ] #13892 awaiting reviews
 404. [ ] #13891 enhancement, awaiting reviews
@@ -433,7 +435,7 @@ Notation: `<index>. [ ] #<pr_id> <labels>`
 421. [ ] #13835 awaiting reviews
 422. [ ] #13831 awaiting reviews
 423. [ ] #13830 awaiting reviews, documentation
-424. [ ] #13827 awaiting reviews
+424. [x] #13827 merged
 425. [ ] #13826 awaiting reviews
 426. [ ] #13825 no labels
 427. [ ] #13824 no labels
@@ -629,9 +631,9 @@ Notation: `<index>. [ ] #<pr_id> <labels>`
 617. [ ] #13164 awaiting reviews
 618. [ ] #13162 no labels
 619. [ ] #13157 awaiting reviews
-620. [ ] #13149 enhancement, awaiting reviews
+620. [x] #13149 merged
 621. [ ] #13147 enhancement, awaiting reviews
-622. [ ] #13146 enhancement, awaiting reviews
+622. [x] #13146 merged
 623. [ ] #13142 awaiting reviews, documentation
 624. [ ] #13141 awaiting reviews
 625. [ ] #13136 no labels
@@ -779,7 +781,7 @@ Notation: `<index>. [ ] #<pr_id> <labels>`
 767. [ ] #12123 awaiting reviews
 768. [ ] #12118 awaiting reviews
 769. [ ] #12111 no labels
-770. [ ] #12109 no labels
+770. [x] #12109 closed by maintainer (superseded by #13146)
 771. [ ] #12104 awaiting reviews
 772. [ ] #12100 awaiting reviews
 773. [ ] #12091 awaiting reviews
@@ -925,7 +927,7 @@ Notation: `<index>. [ ] #<pr_id> <labels>`
 913. [ ] #9610 awaiting reviews
 914. [ ] #9577 awaiting reviews
 915. [ ] #9535 awaiting reviews
-916. [ ] #9416 awaiting reviews
+916. [x] #9416 closed by maintainer (how-to-use, not an algorithm)
 917. [ ] #9414 awaiting reviews
 918. [x] #9388 merged
 
@@ -947,7 +949,7 @@ _Generated by examining the changed files of every open PR. Each PR appears in e
 Total open pull requests: 770
 
 audio_filters:
-1. [ ] #14979
+1. [x] #14979 merged
 
 backtracking:
 1. [ ] #10102
@@ -1007,9 +1009,9 @@ boolean_algebra:
 5. [ ] #14792
 
 cellular_automata:
-1. [ ] #12109
-2. [ ] #13146
-3. [ ] #13827
+1. [x] #12109 closed by maintainer (superseded by #13146)
+2. [x] #13146 merged
+3. [x] #13827 merged
 
 ciphers:
 1. [ ] #11785
@@ -1135,13 +1137,13 @@ data_structures:
 53. [ ] #14492
 54. [ ] #14527
 55. [ ] #14712
-56. [ ] #14728
+56. [x] #14728 merged
 57. [ ] #14775
 
 digital_image_processing:
 1. [ ] #12275
 2. [ ] #13141
-3. [ ] #13149
+3. [x] #13149 merged
 
 divide_and_conquer:
 1. [ ] #9688
@@ -1566,7 +1568,7 @@ recursions:
 1. [x] #12141 merged
 
 scheduling:
-1. [ ] #13896
+1. [x] #13896 merged
 
 searches:
 1. [ ] #10690
@@ -1822,7 +1824,7 @@ Modifies no algorithm directories:
 32. [ ] #14878
 33. [ ] #15105
 34. [ ] #15142
-35. [ ] #15180
+35. [x] #15180 merged
 36. [ ] #15182
 
 Modifies DIRECTORY.md: